| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 200011000 | Dial type | 83 |
| 20090026051 | Input device for rapid triggering of rolling signals - The present invention includes a wheel mounted onto an electronic device through a holding rack and turnable freely under an external force. The wheel has a click portion to generate signals that consists of concave and convex portions formed radially and equally spaced from one another. A signal generation means is provided including at least two legs and a conductive element located between the two legs having an elastic return force. The conductive element is moved to connect the two legs due to rotation of the click portion to generate instruction signals. A friction force is generated when the conductive element is connected to the click portion. A rotation resistant force is generated when the conductive element and the rotating click portion are connected. A composite force is formed by the force to generate rotation and the rotation resistant force. The composite force forms an inverse relationship with the weight of the wheel. | 01-29-2009 |
| 20090260959 | ELECTRO-MECHANICAL PULSE GENERATOR - An electromechanical pulse generator and a method of generating electrical pulses are disclosed. The electromechanical pulse generator comprises very few parts and includes an effective mechanism to prevent contact rebound. An upper, user-actuable and rotatable part has a surface with a plurality of projections. A lower part has an electrical conductor with a displaceable resilient contact portion biased against the projections and two electrical contacts positioned, in the plane of rotation, on either side of the displaceable contact portion. | 10-22-2009 |
| 20090266687 | IGNITION SWITCH - A three-position, single-pole, double-throw, rotary ignition switch is disclosed that is water-tight and provides qualitative and quantifiable durability in the presence of high-current loads, even after long use. It withstands a continuous 20 A load, plus an additional occasional 20 A load, when in the “run” position. It withstands an additional 75 A inductive load when in the “start” position. Then even after 12,000 operational cycles, leakage current (with 28 VDC supply voltage) when the switch is in the “off” position remains under 0.3 mA, and still allows leakage current not exceeding 10 mA at any time while each disconnected pair of terminals and between terminals and ground are exposed to 1,000±5 V | 10-29-2009 |
| 20090277762 | MICROMACHINE SWITCH, FILTER CIRCUIT, DUPLEXER CIRCUIT, AND COMMUNICATION DEVICE - A micromachine switch of the present invention is a micromachine switch for switching an electrical connection between signal electrodes in accordance with control signals from outside which include: a first control signal for electrically connecting the signal electrodes between which a signal is to be passed; and a second control signal for disconnecting the electrical connection between the signal electrodes. The micromachine switch comprises: a substrate; a rotating body provided on the substrate, which is rotatable on the substrate; a movable electrode provided on the rotating body; a first signal electrode, one end of which is electrically connected to one end of the movable electrode, and another end of which is provided on the substrate; a second signal electrode which is provided near the rotating body so as to be positioned such that a rotation of the rotating body causes the second signal electrode to be electrically connected to another end of the movable electrode; and a drive section for causing, in accordance with the first control signal, the rotating body to rotate until the rotating body is in such a position as to allow said another end of the movable electrode and the second signal electrode to be electrically connected, and for causing, in accordance with the second control signal, the rotating body to rotate until the rotating body is in such a position as to disconnect an electrical connection between said another end of the movable electrode and the second signal electrode. | 11-12-2009 |
| 20090294262 | LOW PROFILE ROTARY SWITCH WITH AN ENCLOSED DETENT SUB-ASSEMBLY - The panel mounted low profile rotary switch includes a knob, a detent sub-assembly, a shaft, a bushing, and a panel. The knob is held to the shaft by one or more locking screws and the operation of the detent sub-assembly is enclosed and is not altered by removal of the knob. The entire detent sub-assembly is located on the knob side or user's side of the panel. Only the bushing and the shaft extend through the panel. The shaft is connected to a rotary component such as a rotary switch contact which engages circuitry on a printed circuit board. The switch or electrical connection is located on the undersurface of the panel. | 12-03-2009 |
| 20100038219 | ELECTRONIC SIGNALLING SYSTEM - The present invention relates to an electronic signaling system utilizing a multi-contact switch that is activated by a mechanical activity which is converted to electrical signaling. The electrical signal activates an electric motor which, in turn, closes, in a predetermined sequence, a series of electronic circuits, which generate a series of electrical signals. The multi-contact switch according to the present invention, may replace a human user who would otherwise generate these electric signal by pressing a series of buttons in a predetermined sequence. | 02-18-2010 |
| 20100044193 | RATCHET WHEEL MECHANISM AND TURNING SWITCH WITH RATCHET WHEEL MECHANISM - In the present invention are disclosed a step type ratchet wheel mechanism and a turning switch with step type ratchet wheel mechanism, wherein comprising: camshaft circular disc, on its end surface is disposed at least one groove, on its rim is disposed at least one positioning slot; driving cam, on its end surface is disposed at least one groove, on its rim is disposed at least one angular shape tooth; first pawl and second pawl; one resilient element is contained in the chamber, which is formed from two corresponding grooves respectively disposed on the end surfaces of camshaft circular disc and driving cam. When said camshaft circular disc is at a control-position, first pawl falls into one positioning slot of camshaft circular disc; when said driving cam is being turned toward next control-position, said two grooves will be staggered, said resilient element is compressed; when said driving cam is turned to the next control-position, one angular shape tooth will push first pawl out from said positioning slot, the released resilient element will cause said camshaft circular disc turning to the next control-position, and then second pawl will fall into another positioning slot of camshaft circular disc. In use of the present invention, the acted force is even, the operation is steady, the hand handle is comfortable, and furthermore, the phenomenon of hung-up point between two adjacent control-positions also may be avoided. | 02-25-2010 |
| 20100065407 | CONTROL ASSEMBLY FOR INTERLOCKED SOCKETS - A control assembly for interlocked sockets includes a rotary breaker which is actuated by a knob and is mounted on a supporting structure. The control assembly includes a visual indication means which has the purpose of highlighting the open/closed state of the rotary breaker as a consequence of rotations of the knob. | 03-18-2010 |
| 20100140064 | ROTARY CONTROL SWITCH MOUNTED ON CONTROL PANEL OF ELECTRICAL APPLIANCE - A rotary control switch includes a body member, a shaft member and a conducting member. The body member includes a main body having a receptacle and a perforation. Multiple recesses are disposed within the receptacle. The perforation is communicated with the receptacle. The shaft member includes a base and a rotating shaft. The base has a sustaining structure. A protrusion is extended from the rotating shaft. The conducting member is connected with the base of the shaft member. The protrusion is sustained against or engaged with the main body and the base is accommodated within the receptacle of the body member. The base of the shaft member is rotated with respect to the control panel and the body member upon rotation of the rotating shaft. When the sustaining structure is sustained against a specified one of the recesses, the conducting member is electrically connected with a corresponding contact pad of the control panel. | 06-10-2010 |
| 20100258412 | Rotary Switch and Relative Assembly Method - A rotary switch comprising a body housing inside itself a rotating shaft operatively connected to a valve or actuator. The switch further comprises a cover, associated to the body by threaded coupling means, provided with an indicator swivelling integrally with the shaft, so that it enables visual signalling of the angular position and/or operating status of the shaft. The switch comprises centering means, mechanically distinct from the threaded coupling means, which ensure the centering of the cover in relation to the body and the coaxial relation between the cover and the rotating shaft. | 10-14-2010 |
| 20100258413 | MULTI-POSITION ROTARY SWITCH - A multi-position rotary switch comprises a plurality of identical switch chamber modules that are arranged one next to the other. Each switch chamber module holds a separate line switch allocated to a respective circuit. A standalone actuator housing holds a catch assembly for a switch shaft, which is coupled with a cam slide by means of a gear drive. The cam slide is located between a block like arrangement of switch chamber modules and the housing for the activation mechanism, which is designed for a standard configuration with three switch chamber modules connected to each other. The electrical terminals of the multi-position rotary switch are located on a narrow sides of the individual switch chamber modules. | 10-14-2010 |
| 20100294632 | Safety Rotary Operator Assembly - A rotary operator assembly ( | 11-25-2010 |
| 20110024272 | MOVABLE CONTACT ASSEMBLY FOR ELECTRICAL SWITCH - A movable contact assembly for an electrical switch is provided. In at least one embodiment, the movable contact assembly includes a movable contact and a pair of supports, with each support including a bottom face and a support body perpendicular thereto. In at least one embodiment, each support body includes: a cavity for holding the movable contact disposed symmetrically at each end of a diameter of the bottom face, an inner and outer hook pair extending along the axis of the support body and being disposed symmetrically to the two sides of the diameter; and a projecting tongue and recess pair extending along the axis of the support body and being disposed symmetrically to the two sides of the diameter. The movable contact-holding cavity can hold the movable contact, the two supports can engage with each other in the direction of the axis, and the pair of the supports and the movable contact are assembled together to form the movable contact assembly. The bottom face of each support can also have a connector, which is positioned symmetrical with respect to the diameter and complementary in shape, such that several movable contact assemblies can be connected with one another as needed. The movable contact assembly of an embodiment of the present invention is simple in structure, secure in connection, highly efficient for assembling, and flexible in use. | 02-03-2011 |
| 20110162943 | ELECTRO-MECHANICAL MICROWAVE SWITCH - A switch for selectively routing electrical signals, particularly microwave signals, in a printed circuit board includes a rotatable contact that is connected to a shaft. A first motor is configured to rotate the shaft and a second motor is configured to axially move the shaft to lift the contact from the printed circuit board. A position controller produces driving signals that are received by the first and second motors to lift the contact from the printed circuit board, rotate the contact to a desired position and lower the contact to the circuit board. | 07-07-2011 |
| 20110308923 | ASSEMBLY FOR INCREASING TORQUE TACTILITY OF A ROTARY CONTROL FOR A HANDHELD RADIO - A rotary control assembly ( | 12-22-2011 |
| 20120186955 | Electric Switch - An electric switch is disclosed. In at least one embodiment, the switch includes a rotor housing; at least one electric contact arm, rotatably mounted in the rotor housing and being pivotable between an on-position and an off-position as well as relative to the rotor housing; and at least one intermediate part which, in a locking position, locks the pivotable contact arm with the rotor housing and, in the event of a relative rotation between the pivotable contact arm and the rotor housing, is moved away from the predefined locking position. | 07-26-2012 |
| 20120199452 | MULTIPOLE ELECTRICAL SWITCHING DEVICE - A switching device include at least two switching poles. Each of the switching poles has one current path and one switching contact system for opening and closing the current path, wherein a movable contact arrangement of the switching contact system of the switching poles has an integral switching shaft segment, formed from insulating material, which bears a contact lever arrangement and in which the switching shaft segments of adjacent switching poles are connected by way of at least two connecting branches; so as to form the switching shaft. The connecting branches extending at a distance parallel to the axis of rotation and are formed from corresponding connecting elements. In at least one embodiment, all of the connection elements of the at least two connecting branches are formed by first sections of the integral switching shaft segments, which bear the contact lever arrangements. | 08-09-2012 |
| 20130175147 | OPERATING DEVICE - An operating device includes a dial that has a first engagement portion, a rotational body that is formed in an annular shape, and has a second engagement portion so as to be engaged with the first engagement portion of the dial. Rotation of the dial is transmitted to the rotational body through an engagement of the first and second engagement portions. The operating device also includes gear teeth that are provided on an inner circumferential portion of the rotational body, a gear that is meshed with the gear teeth and is rotated in an inner space of the rotational body, and a rotation response member that is directly coupled to a rotation shaft of the gear and varies in accordance with a rotation angle of the dial. | 07-11-2013 |
| 20130327618 | ELECTRIC CURRENT SWITCHING APPARATUS - The present disclosure relates to a rotary switch module having a first stationary contact, a second stationary contact, and a movable contact for making an electrical connection between the first stationary contact and the second stationary contact. A rotary actuator is provided for rotating the movable contact, the rotary actuator having on its surface a first indication indicating an open position of the switch, and a second indication indicating a closed position of the switch. A first window indicates the first indication, and a second window separate from the first window indicates the second indication. | 12-12-2013 |
| 20140061012 | ROTARY SWITCH - A rotary switch includes a base forming a number of contacts, a support apparatus installed in the base, and a rotary apparatus rotatably installed in the support apparatus. The support apparatus forms zigzag first and second guiding portions. The rotary apparatus includes a rotary pole, a trigger mounted to the rotary pole, two abutting poles, and two resilient members respectively connected between two opposite ends of the rotary pole and the abutting poles. An end portion of each abutting pole slides along the first guiding portion, to allow the abutting poles to stretch and withdraw along a lengthwise direction of the rotary pole, and allow the abutting poles to undulate along the second guiding portion in a direction perpendicular to the lengthwise direction of the rotary pole, to allow the rotary pole to contact and trigger one of the contacts or pass over the contact. | 03-06-2014 |
| 20140131179 | Multi-Level Rotary Switch - The present invention relates to a rotary switch with multi-level, the rotary base drives the first conductive sheet to rotate with the second conductive sheet when the rotary shaft is rotated, and the second conductive sheet leaves one of the conductive contact elements; the position end of the second conductive sheet is pressed by one positioning surface during the rotation, and the second spring stores energy; the second spring then releases the energy to the fourth end of the second conductive sheet, and the position end of the second conductive sheet slides on one positioning surface until the position end of the second conductive sheets is positioned solidly between two positioning surfaces; so that, the material cost in production can be lower down, and life time of the rotary switch can be increased. | 05-15-2014 |
| 20140131180 | Appliance Control Knob Support - An appliance control knob assembly includes an encoder with a rotatable shaft. A control knob is connected to the shaft and is mounted on a protuberance that extends into the control knob and provides a bearing mounting surface. The control knob has a hub portion rotationally supported by a bearing mounted within the protuberance, and which engages the rotatable encoder shaft. The encoder is mounted such that prior to attachment of the hub portion with the encoder shaft, the encoder is allowed a degree of movement to come into alignment with the hub portion. | 05-15-2014 |
| 20150027866 | SWITCH - A switch has a base having a recess, and a plurality of fixed contacts mounted in an inner side face of the recess, an electrically conductive actuator disposed within the recess of the base, the electrically conductive actuator having a pair of movable contact portions and an elastically deformable elastic portion, the movable contact portions having movable contacts capable of being connected to respective fixed contacts, at least one engagement convex portion disposed on one of the base and the electrically conductive actuator, and at least one engagement concave portion disposed on the other of the base and the electrically conductive actuator and engageable with the at least one engagement convex portion. The elastic portion of the electrically conductive actuator is elastically deformed to break an engagement between the engagement convex and concave portions when the actuator moves between a first position and a second position. | 01-29-2015 |
| 20160086749 | Apparatus For And Method Of Reducing Rotary Knob Noise - The aspects of the present disclosure provide an apparatus for and method of reducing rotary knob produced by a plurality of detents, in particular, a rotary retainer within a rotary knob assembly. The rotary retainer has a generally cylindrical body and an angular flange protruding outwardly from and around the generally cylindrical body and a plurality of detents disposed on the angular flange. The angular flange is made of a first material capable of sustaining a torque exceeding a first predetermined threshold and wherein the plurality of detents are made from a second material different from the first material, the second material being capable of sustaining a torque exceeding a second predetermined threshold, and the first material and the second material are configured to dampen noise generated by the plurality of detents when the rotary knob is operated. | 03-24-2016 |
| 20160181032 | SEALABLE SETTINGS DIAL | 06-23-2016 |
| 20080202902 | Knob assembly - A knob assembly applicable for an electronic device for executing a plurality of default commands is provided, which at least includes a manipulator and a plurality of push switches disposed adjacent to the manipulator, wherein the manipulator performs back and forth swing and linear movement, and touches a corresponding push switch in the travel of the back and forth swing and the linear movement, so as to output a trigger signal for executing a corresponding default command. | 08-28-2008 |
| 20100155201 | Momentary contact rotary switch device - A rotary switch for activating selected functions in a hand held device. One embodiment of the invention provides a rotary switch having a rotatable switch selector. Whenever the switch selector is rotated, it reduces the diameter of a torsion spring causing the torsion spring to contact a switch contact and signal a microprocessor to selectably power a particular circuit or a step in a routine. | 06-24-2010 |
| 20120000753 | QUAD BREAK MODULAR CIRCUIT BREAKER INTERRUPTER - An interrupter includes at least four pairs of contacts. Each pair of contacts includes a stationary contact positioned to abut a corresponding moveable contact. The moveable contacts are coupled to a rotating member. The rotating member is coupled to a driving member via a biasing member. The driving member is rotated causing all four pairs of contacts to separate and open a circuit quickly. | 01-05-2012 |
| 20120103766 | ON-LOAD TAP CHANGER WITH ENERGY STORAGE MECHANISM - The invention relates to an on-load tap changer having an energy storage device, by means of which an output shaft is rotatable in spurts. According to the invention, in addition to the actual energy storage spring or the actual energy storage springs, at least one further spring is provided, which absorbs/releases energy after the activation of the energy storage mechanism, whereby the torque curve can be optimised. | 05-03-2012 |
| 20120118713 | Switch With Pivoting Actuator - A rotary switch having a body, a rotary knob attached to the body, and at least two terminals attached to the body. An actuator is pivotably mounted within the body and operably connected to the rotary knob, the actuator pivoting upon a rotation of the rotary knob. A conductor is pivotably mounted in the body and is in communication with the actuator. The conductor is adapted to connect or disconnect the at least two terminals when the actuator is pivotably moved. | 05-17-2012 |
| 20140166449 | Forward/Backward Rotation Switching Mechanism - The present invention relates to a forward/backward rotation switching mechanism, comprising: a cover, a turntable, a terminal-fixing body, a first contact terminal, and a second contact terminal. In the present invention, a plurality of dust-off trenches are especially formed on the peripheral edges of the turntable for preventing from the dust accumulation between the turntable and a cover; therefore, even if the forward/backward rotation switching mechanism is used in an environment having a lot of dust, the turntable can still be turned around because the dust is ruled out by the dust-off trenches. | 06-19-2014 |
| 20150129398 | ROTARY BATTERY SWITCH - A battery switch including a selector supported by a housing and rotatably mounted to the housing. The selector having four positions, including, a first position in which a first and second bank terminals are disconnected from a first and second load terminals, a second position in which the first bank terminal is connected to the first load terminal and the second bank terminal is disconnected from the second load terminal, a third position in which the first bank terminal is connected to the first load terminal, the second bank terminal is connected to the second load terminal, and the first bank terminal is disconnected from the second bank terminal, and a fourth position in which the first bank terminal is connected to the first load terminal and the second bank terminal and the second bank terminal is connected to the second load terminal. | 05-14-2015 |
| 20090000927 | On-Load Tap Changer with an Energy Storage Mechanism - The invention relates to an on-load tap changer having an energy storage mechanism for changing over, without any interruptions, between different winding taps of a tap-changing transformer on load. According to the invention, the energy storage mechanism has one or more compression springs, which are tensioned at the beginning of a changeover operation. In comparison with the tensile springs used to date with such energy storage mechanisms, the compression springs have markedly greater long-term strength. | 01-01-2009 |
| 20090071806 | Off-circuit tap changer device - An off-circuit tap changer device which includes a spring-biased moving contact that is operable to independent flex and roll. The moving contact includes one or more rings which are independently spring biased to a moving contact support. The device also includes a single rod with locking elongated ribs to mate with a sleeve of the moving contact support. The circulating circuit includes X stationary contacts. The resiliency via the spring-biasing and the rolling of the ring minimizes, if not prevents, surface wearing of the moving contacts. | 03-19-2009 |
| 20090288934 | Energy Store - The invention relates to an energy store for a load tap changer with a longitudinally movable lifting carriage and an also longitudinally movable snap-action carriage which follows the movement of the lifting carriage after being triggered and whose longitudinal movement is converted into a rotary movement of an output shaft that actuates the load tap changer. In order to do so, two rolls which are guided in an especially geometrically designed guide rail are disposed on the snap-action carriage. Only one of the two rolls is positively guided in the guide rail during the first part of each movement of the snap-action carriage while the other roll can be moved freely. The second roll that could previously be moved freely is then positively guided during the second part of the movement while the roll which was previously guided can be moved freely. The roll which was initially guided is positively guided once again during the third part of the movement. | 11-26-2009 |
| 20100038220 | Dual Voltage Switch - A transformer switch, such as a dual voltage switch or a tap changer. The switch includes a cover, a housing, and a rotor sandwiched between the cover and the housing. The cover and housing are molded from a non-conductive plastic. An interior space of the cover includes at least one pocket within which stationary contacts are disposed. Each stationary contact is electrically coupled to one or more windings of a transformer. The rotor extends within a channel of the housing, from a top of the transformer switch to an interior surface of the cover. The interior surface includes a protrusion about which the rotor and at least one movable contact coupled thereto can rotate. The movable contact is configured to be selectively electrically coupled to at least one of the stationary contacts. For example, different stationary contact-movable contact pairs can correspond to different voltages of the transformer. | 02-18-2010 |
| 20100038221 | Tap Changer Switch - A transformer switch, such as a dual voltage switch or a tap changer. The switch includes a cover, a housing, and a rotor sandwiched between the cover and the housing. The cover and housing are molded from a non-conductive plastic. An interior space of the cover includes at least one pocket within which stationary contacts are disposed. Each stationary contact is electrically coupled to one or more windings of a transformer. The rotor extends within a channel of the housings from a top of the transformer switch to an interior surface of the cover. The interior surface includes a protrusion about which the rotor and at least one movable contact coupled thereto can rotate. The movable contact is configured to be selectively electrically coupled to at least one of the stationary contacts. For example, different stationary contact-movable contact pairs can correspond to different voltages of the transformer. | 02-18-2010 |
| 20100038222 | Multi-Deck Transformer Switch - A transformer switch, such as a multi-deck tap changer, includes an assembly with a first housing coupled to a first cover. The first cover holds at least a first stationary electric contact. A second housing is formed integrally with the first cover, and is coupled to a second cover, the second cover holding at least a second stationary electric contact. The first housing and first cover together define a first interior volume within which the first stationary electric contact is disposed. The second cover and the second housing together define a second interior volume within which the second stationary electric contact is disposed. Each housing-cover coupled pair includes an interior rotor rotatable relative to the stationary electric contact in the cover of the pair. At least one movable contact is coupled to each rotor. The covers and housings can be molded from a non-conductive plastic. | 02-18-2010 |
| 20100263996 | Measuring Contact Sequence In A Tap Changer - A tap changer and a method for measuring a contact sequence of a tap changer is provided. The tap changer includes a cylinder and a shaft that is rotatably arranged inside the cylinder, the cylinder is provided with fixed contacts, the shaft is provided with a contact circuit facing the cylinder and including mechanical contacts, which mechanical contacts are adapted to selectively mate with the fixed contacts of the cylinder upon rotation of the shaft, the contact circuit also includes at least two measuring points for measuring the function of the contact circuit. The tap changer includes at least one measuring contact device, which is electrically connected to the respective measuring points in the contact circuit, and which the measuring contact device is arranged inside the shaft. This facilitates access to the measuring points of the tap changer. | 10-21-2010 |
| 20110000769 | REVERSING AND A METHOD OF MODIFYING A TAP CHANGER TO USE THE SAME - A reversing switch for a tap changer of a transformer is provided. The reversing switch includes first and second contact structures for connection to a winding of the transformer and a mounting structure for connection to a neutral terminal of the transformer. A bus bar connects a third contact structure to the mounting structure. A movable contact arm is secured to a rotatable post. The contact arm includes a contact assembly mounted to an arm. The contact assembly has one or more outward contacts and one or more inward contacts. The one or more inward contacts engage the third contact structure and the one or more outward contacts selectively engage the first contact structure or the second contact structure. The first and second contact structures and the mounting structure are located at about the same radial distance from the post, while the third contact structure is located closer to the post. | 01-06-2011 |
| 20130192963 | MECHANICAL SWITCH CONTACT - The invention relates to a mechanical switch contact ( | 08-01-2013 |
| 20130206555 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption. The general inventive concept lies in eliminating the previously static design of the on-load tap changer, comprising a load transfer switch and a selector adjoining directly under the load transfer switch, and to bring about a spatial separation of the load transfer switch and selector assemblies. | 08-15-2013 |
| 20130213776 | TAP CHANGER HAVING A FREEWHEEL - The invention relates to a stepping switch ( | 08-22-2013 |
| 20130213777 | TAP CHANGER - The invention relates to a tap changer for switching among winding taps of a step transformer without interruption, said step transformer having an oil-filled transformer tank, wherein the tap changer does not have a separate housing or a housing that completely encloses the tap changer and is arranged on the outside of or inside the transformer tank connected to the oil filling of the step transformer. | 08-22-2013 |
| 20130306449 | CHANGE-OVER STRUCTURE BETWEEN MOVING CONTACT AND STATIC CONTACT OF TAP SELECTOR - Disclosed is a change-over structure between a moving contact and a static contact of a tap selector, including an insulation changer base plate, and further including at least two static contacts, fixed on the insulation changer base plate in at least one column at intervals, where inner ends of at least two static contacts are electrically connected to two tap windings of a transformer respectively; at least one rotation shaft, where at least two moving contacts are evenly distributed on the one rotation shaft, and the at least two moving contacts are electrically connected to each other; and at least one arc-shaped conductor corresponding to the at least two static contacts in at least one column, where the arc-shaped conductor and outer ends of the at least two static contacts in at least one column are located at the same circumference with a center of the rotation shaft as a circle center, and when one of the moving contacts is changed over between the two static contacts, the other moving contact is certainly electrically connected to the arc-shaped conductor. Through the present invention, connection conductors in the changer are omitted, so that each component is fixed and reliable and is convenient to mount, and hidden fault troubles are reduced. | 11-21-2013 |
| 20130327619 | OFF-CIRCUIT TAP CHANGER - In one aspect of the invention, an off-circuit tap changer includes a switch base and a rotation shaft penetrating the switch base. An upper end of the rotation shaft is connected to an operation positioning device, a lower end of the rotation shaft is disposed with moving contacts, and fixed contacts corresponding to the moving contacts are circumferentially disposed at a spacing on the switch base; the moving contacts are radial elastic rolling moving contacts, and the radial elastic rolling moving contacts span between two adjacent fixed contacts and closely contact the fixed contacts. | 12-12-2013 |
| 20130327620 | DISK TYPE OFF-CIRCUIT TAP CHANGER - In one aspect of the present invention, a disk type off-circuit tap changer includes a switch base and a rotation shaft, where an upper end of the rotation shaft is connected to an operation positioning mechanism, a lower end of the rotation shaft is connected to moving contacts, the moving contacts fit with fixed contacts circumferentially arranged at a lower side of the switch base, and the fixed contacts are directly embedded into the switch base to form a whole body with the switch base. | 12-12-2013 |
| 20130341166 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching between winding taps of a step transformer without interruption, comprising a separate selector for preselecting the winding tap to be switched to without control current, and a separate load transfer switch for actually transferring the load from the previous to the preselected new winding tap. The invention further relates to an energy store having at least one energy store spring that is first tensioned for each load transfer by a rotating drive shaft and that abruptly actuates the load transfer switch after being triggered. According to the invention, a gear is provided by means of which the energy store can be tensioned after mechanical freewheel is provided between the gear and the energy store, such that the energy store can be tensioned after a time delay, and a further mechanical freewheel ( | 12-26-2013 |
| 20140014479 | TAP CHANGER WITH IMPROVED SWITCH CONSTRUCTION - An on-load tap changer is provided having a pair of bypass switches, each of which includes a plurality of contacts at least partially disposed in a contact carrier. The contacts are arranged in a stack and cooperate to form a groove and a mounting bore. A mounting post extends through the mounting bore such that the contacts are pivotable about the mounting post between an open and a closed position. When an actuation assembly moves the contacts to the open or closed position, the contacts move longitudinally relative to the contact carrier. | 01-16-2014 |
| 20140034463 | TAP CHANGER AND VACUUM INTERRUPTER FOR A TAP CHANGER OF THIS KIND - The invention relates to a tap changer for switching over between winding taps of a tap transformer without interruption, wherein two load branches are provided for each phase which is to be switched and each load branch has a vacuum switching contact, which acts as a main contact and, parallel to said vacuum switching contact, at least one series circuit comprising a transition resistor and in each case a further vacuum switching contact. In this case, in each case one vacuum switching contact of each load branch is structurally combined to form a single vacuum interrupter having two separate, fixed contacts ( | 02-06-2014 |
| 20140048394 | STRIP TYPE OFF-CIRCUIT TAP CHANGER - On aspect of the present invention, a strip type off-circuit tap changer includes an insulating rod and a support, where an operation positioning device is arranged on the support, a rack mobile frame is disposed on the insulating rod, the rack of the rack mobile frame is engaged to a drive gear of the operation positioning device, columnar fixed contacts are longitudinally arranged at a spacing on the insulating rod, the rack mobile frame is connected to a moving contact frame, and a moving contact assembly is arranged on the moving contact frame and fits with the fixed contacts on the insulating rod, the moving contact assembly is formed by an annular moving contact and an elastic pin, and the annular moving contact spans between two adjacent columnar fixed contacts. | 02-20-2014 |
| 20140190803 | LOAD TRANSFER SWITCH FOR A TAP CHANGER - The invention relates to a load transfer switch for a tap changer for switching among various winding taps of a step transformer without interruption. The general inventive concept lies in fastening both the force accumulator and the load transfer switch not on the bearing plate but rather on the force accumulator support by providing additional receptacles on the force accumulator support, which receptacles are supported over a large area on the oil tank, in particular on the upper permanent main contact supports fastened to the oil tank, of each phase of the load transfer switch in such a way that the force accumulator support is fixed both in the horizontal direction and the vertical direction and thus mechanically unburdens the bearing plate. | 07-10-2014 |
| 20140209440 | ENERGY-STORING UNIT WITH FORCING MECHANISM, AND ON-LOAD TAP CHANGING DEVICE - An energy-storing unit with a forcing mechanism and an on-load tap changing device provided with the same which employ an inexpensive and simple structure and which can suppress a loading torque to operate stably. A forcing mechanism built in an energy-storing unit includes a protrusion, a bearing, and a loading cam. Among those components, the protrusion is attached to the bottom face of an eccentric cam, and the bearing is attached to the tip of the protrusion. The loading cam is an isosceles triangle having a vertex that is substantially 90 degrees, and is attached to the top face of an energy-storing case. The loading cam becoming in contact with the bearing causes a crank to rotate through the energy-storing case, and feeds a catch to a standby position. | 07-31-2014 |
| 20140216902 | TAP CHANGER - In an end-side tap changing mechanism group of a plurality of tap changing mechanism groups that is located at an end of a rotation shaft, input connection points between a plurality of fixed contact connection members and a plurality of input conductors, respectively, are located closer in a shaft direction of the rotation shaft to a center line of entire the plurality of tap changing mechanism groups than a center line of the end-side tap changing mechanism group, and an output connection point between a stator connection member and an output conductor is located closer in the shaft direction of the rotation shaft to the center line of entire the plurality of tap changing mechanism groups than the center line of the end-side tap changing mechanism group. | 08-07-2014 |
| 20140291130 | EXTERNAL ON-LOAD TAP CHANGER - Disclosed is a suspensible external combined on-load tap changer, including: a switch box, a switch body and a motor mechanism, a top box wall of the switch box being opened with a top opening, a top box cover being mounted on the top opening, wherein the switch body is detachably mounted in the switch box and is entirely lifted in and lifted out by the top opening; and the motor mechanism is connected with the switch body in a driving manner. The switch body in the present invention uses a hoisting structure, and the top box wall of the switch box is opened with a top opening with a size large enough, so that the switch body is directly lifted in and lifted out of the switch box from the top opening, and installation and maintenance are easier. | 10-02-2014 |
| 20140318936 | POWER-SWITCH WITH INTERNAL VOLTAGE MEASUREMENT - A power-switch having a switch housing and an electronic module, at least one contact being provided to tap a voltage at a primary conductor, and an adapter being provided to reduce the tapped voltage of said primary conductor. | 10-30-2014 |
| 20150008104 | ON-LOAD TAP CHANGER WITH TWO VACUUM INTERRUPTERS AND DRIVE THEREFOR - An on-load tap changer ( | 01-08-2015 |
| 20150014130 | TAP SWITCH - The invention relates to a tap changer for voltage regulation with semiconductor switching components on a regulating transformer having a regulating winding. The tap changer is of a modular design and each module comprises, respectively, one partial winding of the regulating winding that is connectable or disconnectable by means of semiconductor switching components. Varistors and capacitors are additionally integrated for protecting the semiconductor switching components against high voltages. | 01-15-2015 |
| 20150047954 | TAP CHANGER - An on-load tap changer is provided and includes a plurality of modules disposed in an interior space of a tank and arranged in a side-by-side manner. Each module has a bypass switch assembly and a vacuum interrupter assembly mounted to a first side of a board. The bypass switch assembly is actuated by rotation of a bypass cam and the vacuum interrupter assembly is actuated by rotation of an interrupter cam. A transmission system rotates the bypass cam and the interrupter cam. The transmission system is mounted on a second side of the board. | 02-19-2015 |
| 20150047955 | TAP CHANGER HAVING AN IMPROVED VACUUM INTERRUPTER ACTUATING ASSEMBLY - An on-load tap changer is provided having a vacuum interrupter actuatable by a shaft. A movable shuttle is connected to an impact mass by springs such that the impact mass tends to follow the shuttle when the shuttle moves. A pawl assembly is operable to hold and then release the impact mass when the shuttle starts moving. The holding of the impact mass when the shuttle starts to move causes the springs to store both a compression force and a tension force, which are released when the impact mass is released. | 02-19-2015 |
| 20150060244 | SELECTOR FOR A TAP CHANGER - The invention relates to a selector for a tap changer for switching among winding taps of a step transformer without interruption, wherein the selector consists of a plurality of honeycomb segments arranged horizontally one over the other and vertically next to each other, which honeycomb segments can be fixed to each other by contact holders and pins. According to the invention, by means of such a modular design, a large variety of selector variants is possible using only few components. | 03-05-2015 |
| 20150068877 | ARRANGEMENT OF VACUUM SWITCHING TUBES IN A LOAD TRANSFER SWITCH - Arrangement of vacuum switching tubes ( | 03-12-2015 |
| 20150303006 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption according to the preamble of the first patent claim. The general inventive concept lies in actuating both the selector contact unit and the switching means for uninterrupted load switching by means of a common motor drive without an energy store being connected therebetween. | 10-22-2015 |
| 20150311006 | TRANSFORMER TAPPING ARRANGEMENT AND METHODS OF OPERATION OF SAME - A tapping arrangement for a transformer, the arrangement comprising a plurality of fixed contacts, a movable rotary contact, a transition rotor with pairs of transition contacts, an interrupter coupling assembly and driving motor(s) are compacted into a single vacuum chamber | 10-29-2015 |
| 20160005554 | LINEAR SELECTOR - The invention relates to a linear selector ( | 01-07-2016 |
| 20160012982 | TAP CHANGER | 01-14-2016 |
| 20160126025 | ON-LOAD TAP CHANGER AMD METHOD OF EMERGENCY SETTING DEFINED SWITCHING POSITION THEREOF - The invention relates to an electric motor-operated on-load tap changer ( | 05-05-2016 |
| 20160133399 | SELECTOR SWITCH FOR TAP-CHANGING TRANSFORMERS AND SUPPORT ARM FOR A TAP SELECTOR THEREOF - The invention relates to a selector switch ( | 05-12-2016 |
| 20160141120 | ON-LOAD TAP CHANGER, METHOD FOR INSTALLING A LOAD TRANSFER SWITCH INSERT IN THE ON-LOAD TAP CHANGER, AND KEROSENE DRAIN SCREW - The invention relates to an on-load tap changer ( | 05-19-2016 |
| 20160148742 | BURST PROTECTOR FOR HIGH-VOLTAGE DEVICE - The invention relates to a bursting device ( | 05-26-2016 |
| 20160155580 | ON-LOAD TAP CHANGER | 06-02-2016 |
| 20160181025 | ON-LOAD TAP CHANGER | 06-23-2016 |
| 20100032267 | SWITCHING ELEMENT FOR ACTUATING AN ADJUSTABLE PARAMETER - A switch element ( | 02-11-2010 |
| 20120006659 | Rotary Switch - A rotary switch is provided having high flexibility in design depending on required operations. A rotor ( | 01-12-2012 |
| 20140144761 | Electrical rotary switch with closing elements at stationary contact locations inhibiting spark discharge and/or with a locking spring member - A rotary electrical switch comprises a housing having a first rotary contact space for accommodating a rotary contact and a plurality of stationary contact spaces for selectively accommodating at least one stationary contact. The housing comprises one or more closing elements for closing one or more of the stationary contact spaces not in use for accommodating a stationary contact. Another aspect comprises a locking spring member having a first portion being a resilient spring member configured for releasably engaging a locking member, while a second portion is configured for mechanically coupling to a spindle portion for imparting a rotational force on at least one rotary contact of the switch. | 05-29-2014 |
| 20160079014 | ROTATIONAL OPERATION TYPE SWITCH - A rotational operation type switch includes a frame; a rotational operation button rotatably supported on the frame for rotational operation; a switching contact mechanism disposed below the operation button to face the operation button; and an operation mechanism disposed between the operation button and the switching contact mechanism, to switch the switching contact mechanism in conjunction with the rotational operation of the operation button. The switching contact mechanism includes a printed circuit board, a plurality of fixed contact electrodes disposed on the printed circuit board and spaced a predetermined distance away from each other, and a movable contact having a disc spring shape and disposed bridging between the plurality of fixed contact electrodes. The movable contact deforms to contact and separate from the fixed contact electrodes and switches an electrical connection between the fixed contact electrodes. | 03-17-2016 |
| 20090045038 | Digital multimeter having improved rotary switch assembly - A multimeter includes a case having a rotary selector knob for selecting a multimeter function. A circuit board defining multiple switching terminals thereon is located in the case. A rotary switch assembly is operatively coupled to the selector knob. The rotary switch assembly has a plurality of contact pairs which selectively complete a galvanic connection across predetermined pairs of switching terminals. The rotary switch assembly further includes first and second switch members located in opposition on respective sides of the circuit board. Each of the switch members has at least one of the contact pairs. | 02-19-2009 |
| 20120103765 | DIGITAL MULTIMETER HAVING IMPROVED ROTARY SWITCH ASSEMBLY - A multimeter includes a case having a rotary selector knob for selecting a multimeter function. A circuit board defining multiple switching terminals thereon is located in the case. A rotary switch assembly is operatively coupled to the selector knob. The rotary switch assembly has a plurality of contact pairs which selectively complete a galvanic connection across predetermined pairs of switching terminals. The rotary switch assembly further includes first and second switch members located in opposition on respective sides of the circuit board. Each of the switch members has at least one of the contact pair. | 05-03-2012 |
| 20120261238 | MULTIPOSITION SWITCH - A multiposition switch that comprises a base member accommodating a plurality contact members, respectively. The plurality of contact members are adapted to electrically mate to a host printed circuit board. A routing subassembly is rotatably coupled to the base member. The routing subassembly includes a routing member that defines a plurality of electrical paths between the contact members for switching between combined and uncombined positions. An actuator is coupled to the rotating member for rotating the routing member with respect to the base member between the combined and uncombined positions. | 10-18-2012 |
| 200014000 | Plural switch | 4 |
| 20090194395 | Operation device for vehicle - An operation device for a vehicle is provided in which selection/execution means for selecting any one of operation menus related to in-vehicle equipment displayed on a monitor and selecting and executing any one of functions related to the in-vehicle equipment is formed from an operating knob ( | 08-06-2009 |
| 20100108476 | DUAL INDEPENDENT PUSH BUTTON ROTARY KNOB ASSEMBLY - The present invention includes a knob assembly which provides rotational movement and translational travel along an axis of dual and independent rotary knobs. The present invention controls electronics within a housing, without requiring protrusion into the housing. Having no protrusions into the housing avoids exposure of the electronics within the housing to environmental contaminants or electromagnetic interference. The components of the dual independent push button rotary knob assembly may operate without need for O-rings, gaskets, or any other applied sealants to prevent containments from entering the housing. Assembly of the knob assembly is simplified, because the rotary knob assembly may be installed and replaced without any tools and without need to access the interior of the housing. Furthermore, if any part of the assembly is damaged, the rotary knob assembly, in part or whole, may be replaced without compromising any seal provided to the exterior surfaces of the housing. | 05-06-2010 |
| 20100140059 | OPERATING DEVICE AND OPERATING SYSTEM - A mode switching switch and a dial switch are coaxially provided. A spring member is fixed to a linkage unit of the dial switch. The linkage unit is inserted through a click number change member, which has a cylinder unit and a shaft. The shaft is inserted into a guide groove formed on a cylinder unit of the mode switching switch. By the rotation of the mode switching switch, the click number change member is moved in the axial direction. On the inner circumferential surface of the cylinder unit of the click number change member, two click surfaces on which the different numbers of concaves or convexes are formed in the circumferential direction are aligned in the axial direction. By the movement in the axial direction of the click number change member, any one of the click surfaces is engaged with the spring member. | 06-10-2010 |
| 20110303514 | DIAL OPERATION DEVICE FOR VEHICLE - A dial operation device for a vehicle including a plurality of dial devices each having a dial knob and a dial element outputting a signal corresponding to a turned position of the dial knob, a plurality of circuit boards on which the dial devices are mounted, wiring members electrically interconnecting the circuit boards, and a board supporting body having a panel with a plurality of through-holes for inserting the dial devices therethrough and individually supporting the circuit boards such that the dial knobs protrude toward a front of the panel through the through-holes, wherein the circuit boards are supported in the body such that at least one of the circuit boards is positioned out of a plane of another one of the circuit boards. | 12-15-2011 |
| 200011000 | With axial bridging | 4 |
| 20090026051 | Input device for rapid triggering of rolling signals - The present invention includes a wheel mounted onto an electronic device through a holding rack and turnable freely under an external force. The wheel has a click portion to generate signals that consists of concave and convex portions formed radially and equally spaced from one another. A signal generation means is provided including at least two legs and a conductive element located between the two legs having an elastic return force. The conductive element is moved to connect the two legs due to rotation of the click portion to generate instruction signals. A friction force is generated when the conductive element is connected to the click portion. A rotation resistant force is generated when the conductive element and the rotating click portion are connected. A composite force is formed by the force to generate rotation and the rotation resistant force. The composite force forms an inverse relationship with the weight of the wheel. | 01-29-2009 |
| 20090260959 | ELECTRO-MECHANICAL PULSE GENERATOR - An electromechanical pulse generator and a method of generating electrical pulses are disclosed. The electromechanical pulse generator comprises very few parts and includes an effective mechanism to prevent contact rebound. An upper, user-actuable and rotatable part has a surface with a plurality of projections. A lower part has an electrical conductor with a displaceable resilient contact portion biased against the projections and two electrical contacts positioned, in the plane of rotation, on either side of the displaceable contact portion. | 10-22-2009 |
| 20090266687 | IGNITION SWITCH - A three-position, single-pole, double-throw, rotary ignition switch is disclosed that is water-tight and provides qualitative and quantifiable durability in the presence of high-current loads, even after long use. It withstands a continuous 20 A load, plus an additional occasional 20 A load, when in the “run” position. It withstands an additional 75 A inductive load when in the “start” position. Then even after 12,000 operational cycles, leakage current (with 28 VDC supply voltage) when the switch is in the “off” position remains under 0.3 mA, and still allows leakage current not exceeding 10 mA at any time while each disconnected pair of terminals and between terminals and ground are exposed to 1,000±5 V | 10-29-2009 |
| 20090277762 | MICROMACHINE SWITCH, FILTER CIRCUIT, DUPLEXER CIRCUIT, AND COMMUNICATION DEVICE - A micromachine switch of the present invention is a micromachine switch for switching an electrical connection between signal electrodes in accordance with control signals from outside which include: a first control signal for electrically connecting the signal electrodes between which a signal is to be passed; and a second control signal for disconnecting the electrical connection between the signal electrodes. The micromachine switch comprises: a substrate; a rotating body provided on the substrate, which is rotatable on the substrate; a movable electrode provided on the rotating body; a first signal electrode, one end of which is electrically connected to one end of the movable electrode, and another end of which is provided on the substrate; a second signal electrode which is provided near the rotating body so as to be positioned such that a rotation of the rotating body causes the second signal electrode to be electrically connected to another end of the movable electrode; and a drive section for causing, in accordance with the first control signal, the rotating body to rotate until the rotating body is in such a position as to allow said another end of the movable electrode and the second signal electrode to be electrically connected, and for causing, in accordance with the second control signal, the rotating body to rotate until the rotating body is in such a position as to disconnect an electrical connection between said another end of the movable electrode and the second signal electrode. | 11-12-2009 |
| 20090294262 | LOW PROFILE ROTARY SWITCH WITH AN ENCLOSED DETENT SUB-ASSEMBLY - The panel mounted low profile rotary switch includes a knob, a detent sub-assembly, a shaft, a bushing, and a panel. The knob is held to the shaft by one or more locking screws and the operation of the detent sub-assembly is enclosed and is not altered by removal of the knob. The entire detent sub-assembly is located on the knob side or user's side of the panel. Only the bushing and the shaft extend through the panel. The shaft is connected to a rotary component such as a rotary switch contact which engages circuitry on a printed circuit board. The switch or electrical connection is located on the undersurface of the panel. | 12-03-2009 |
| 20100038219 | ELECTRONIC SIGNALLING SYSTEM - The present invention relates to an electronic signaling system utilizing a multi-contact switch that is activated by a mechanical activity which is converted to electrical signaling. The electrical signal activates an electric motor which, in turn, closes, in a predetermined sequence, a series of electronic circuits, which generate a series of electrical signals. The multi-contact switch according to the present invention, may replace a human user who would otherwise generate these electric signal by pressing a series of buttons in a predetermined sequence. | 02-18-2010 |
| 20100044193 | RATCHET WHEEL MECHANISM AND TURNING SWITCH WITH RATCHET WHEEL MECHANISM - In the present invention are disclosed a step type ratchet wheel mechanism and a turning switch with step type ratchet wheel mechanism, wherein comprising: camshaft circular disc, on its end surface is disposed at least one groove, on its rim is disposed at least one positioning slot; driving cam, on its end surface is disposed at least one groove, on its rim is disposed at least one angular shape tooth; first pawl and second pawl; one resilient element is contained in the chamber, which is formed from two corresponding grooves respectively disposed on the end surfaces of camshaft circular disc and driving cam. When said camshaft circular disc is at a control-position, first pawl falls into one positioning slot of camshaft circular disc; when said driving cam is being turned toward next control-position, said two grooves will be staggered, said resilient element is compressed; when said driving cam is turned to the next control-position, one angular shape tooth will push first pawl out from said positioning slot, the released resilient element will cause said camshaft circular disc turning to the next control-position, and then second pawl will fall into another positioning slot of camshaft circular disc. In use of the present invention, the acted force is even, the operation is steady, the hand handle is comfortable, and furthermore, the phenomenon of hung-up point between two adjacent control-positions also may be avoided. | 02-25-2010 |
| 20100065407 | CONTROL ASSEMBLY FOR INTERLOCKED SOCKETS - A control assembly for interlocked sockets includes a rotary breaker which is actuated by a knob and is mounted on a supporting structure. The control assembly includes a visual indication means which has the purpose of highlighting the open/closed state of the rotary breaker as a consequence of rotations of the knob. | 03-18-2010 |
| 20100140064 | ROTARY CONTROL SWITCH MOUNTED ON CONTROL PANEL OF ELECTRICAL APPLIANCE - A rotary control switch includes a body member, a shaft member and a conducting member. The body member includes a main body having a receptacle and a perforation. Multiple recesses are disposed within the receptacle. The perforation is communicated with the receptacle. The shaft member includes a base and a rotating shaft. The base has a sustaining structure. A protrusion is extended from the rotating shaft. The conducting member is connected with the base of the shaft member. The protrusion is sustained against or engaged with the main body and the base is accommodated within the receptacle of the body member. The base of the shaft member is rotated with respect to the control panel and the body member upon rotation of the rotating shaft. When the sustaining structure is sustained against a specified one of the recesses, the conducting member is electrically connected with a corresponding contact pad of the control panel. | 06-10-2010 |
| 20100258412 | Rotary Switch and Relative Assembly Method - A rotary switch comprising a body housing inside itself a rotating shaft operatively connected to a valve or actuator. The switch further comprises a cover, associated to the body by threaded coupling means, provided with an indicator swivelling integrally with the shaft, so that it enables visual signalling of the angular position and/or operating status of the shaft. The switch comprises centering means, mechanically distinct from the threaded coupling means, which ensure the centering of the cover in relation to the body and the coaxial relation between the cover and the rotating shaft. | 10-14-2010 |
| 20100258413 | MULTI-POSITION ROTARY SWITCH - A multi-position rotary switch comprises a plurality of identical switch chamber modules that are arranged one next to the other. Each switch chamber module holds a separate line switch allocated to a respective circuit. A standalone actuator housing holds a catch assembly for a switch shaft, which is coupled with a cam slide by means of a gear drive. The cam slide is located between a block like arrangement of switch chamber modules and the housing for the activation mechanism, which is designed for a standard configuration with three switch chamber modules connected to each other. The electrical terminals of the multi-position rotary switch are located on a narrow sides of the individual switch chamber modules. | 10-14-2010 |
| 20100294632 | Safety Rotary Operator Assembly - A rotary operator assembly ( | 11-25-2010 |
| 20110024272 | MOVABLE CONTACT ASSEMBLY FOR ELECTRICAL SWITCH - A movable contact assembly for an electrical switch is provided. In at least one embodiment, the movable contact assembly includes a movable contact and a pair of supports, with each support including a bottom face and a support body perpendicular thereto. In at least one embodiment, each support body includes: a cavity for holding the movable contact disposed symmetrically at each end of a diameter of the bottom face, an inner and outer hook pair extending along the axis of the support body and being disposed symmetrically to the two sides of the diameter; and a projecting tongue and recess pair extending along the axis of the support body and being disposed symmetrically to the two sides of the diameter. The movable contact-holding cavity can hold the movable contact, the two supports can engage with each other in the direction of the axis, and the pair of the supports and the movable contact are assembled together to form the movable contact assembly. The bottom face of each support can also have a connector, which is positioned symmetrical with respect to the diameter and complementary in shape, such that several movable contact assemblies can be connected with one another as needed. The movable contact assembly of an embodiment of the present invention is simple in structure, secure in connection, highly efficient for assembling, and flexible in use. | 02-03-2011 |
| 20110162943 | ELECTRO-MECHANICAL MICROWAVE SWITCH - A switch for selectively routing electrical signals, particularly microwave signals, in a printed circuit board includes a rotatable contact that is connected to a shaft. A first motor is configured to rotate the shaft and a second motor is configured to axially move the shaft to lift the contact from the printed circuit board. A position controller produces driving signals that are received by the first and second motors to lift the contact from the printed circuit board, rotate the contact to a desired position and lower the contact to the circuit board. | 07-07-2011 |
| 20110308923 | ASSEMBLY FOR INCREASING TORQUE TACTILITY OF A ROTARY CONTROL FOR A HANDHELD RADIO - A rotary control assembly ( | 12-22-2011 |
| 20120186955 | Electric Switch - An electric switch is disclosed. In at least one embodiment, the switch includes a rotor housing; at least one electric contact arm, rotatably mounted in the rotor housing and being pivotable between an on-position and an off-position as well as relative to the rotor housing; and at least one intermediate part which, in a locking position, locks the pivotable contact arm with the rotor housing and, in the event of a relative rotation between the pivotable contact arm and the rotor housing, is moved away from the predefined locking position. | 07-26-2012 |
| 20120199452 | MULTIPOLE ELECTRICAL SWITCHING DEVICE - A switching device include at least two switching poles. Each of the switching poles has one current path and one switching contact system for opening and closing the current path, wherein a movable contact arrangement of the switching contact system of the switching poles has an integral switching shaft segment, formed from insulating material, which bears a contact lever arrangement and in which the switching shaft segments of adjacent switching poles are connected by way of at least two connecting branches; so as to form the switching shaft. The connecting branches extending at a distance parallel to the axis of rotation and are formed from corresponding connecting elements. In at least one embodiment, all of the connection elements of the at least two connecting branches are formed by first sections of the integral switching shaft segments, which bear the contact lever arrangements. | 08-09-2012 |
| 20130175147 | OPERATING DEVICE - An operating device includes a dial that has a first engagement portion, a rotational body that is formed in an annular shape, and has a second engagement portion so as to be engaged with the first engagement portion of the dial. Rotation of the dial is transmitted to the rotational body through an engagement of the first and second engagement portions. The operating device also includes gear teeth that are provided on an inner circumferential portion of the rotational body, a gear that is meshed with the gear teeth and is rotated in an inner space of the rotational body, and a rotation response member that is directly coupled to a rotation shaft of the gear and varies in accordance with a rotation angle of the dial. | 07-11-2013 |
| 20130327618 | ELECTRIC CURRENT SWITCHING APPARATUS - The present disclosure relates to a rotary switch module having a first stationary contact, a second stationary contact, and a movable contact for making an electrical connection between the first stationary contact and the second stationary contact. A rotary actuator is provided for rotating the movable contact, the rotary actuator having on its surface a first indication indicating an open position of the switch, and a second indication indicating a closed position of the switch. A first window indicates the first indication, and a second window separate from the first window indicates the second indication. | 12-12-2013 |
| 20140061012 | ROTARY SWITCH - A rotary switch includes a base forming a number of contacts, a support apparatus installed in the base, and a rotary apparatus rotatably installed in the support apparatus. The support apparatus forms zigzag first and second guiding portions. The rotary apparatus includes a rotary pole, a trigger mounted to the rotary pole, two abutting poles, and two resilient members respectively connected between two opposite ends of the rotary pole and the abutting poles. An end portion of each abutting pole slides along the first guiding portion, to allow the abutting poles to stretch and withdraw along a lengthwise direction of the rotary pole, and allow the abutting poles to undulate along the second guiding portion in a direction perpendicular to the lengthwise direction of the rotary pole, to allow the rotary pole to contact and trigger one of the contacts or pass over the contact. | 03-06-2014 |
| 20140131179 | Multi-Level Rotary Switch - The present invention relates to a rotary switch with multi-level, the rotary base drives the first conductive sheet to rotate with the second conductive sheet when the rotary shaft is rotated, and the second conductive sheet leaves one of the conductive contact elements; the position end of the second conductive sheet is pressed by one positioning surface during the rotation, and the second spring stores energy; the second spring then releases the energy to the fourth end of the second conductive sheet, and the position end of the second conductive sheet slides on one positioning surface until the position end of the second conductive sheets is positioned solidly between two positioning surfaces; so that, the material cost in production can be lower down, and life time of the rotary switch can be increased. | 05-15-2014 |
| 20140131180 | Appliance Control Knob Support - An appliance control knob assembly includes an encoder with a rotatable shaft. A control knob is connected to the shaft and is mounted on a protuberance that extends into the control knob and provides a bearing mounting surface. The control knob has a hub portion rotationally supported by a bearing mounted within the protuberance, and which engages the rotatable encoder shaft. The encoder is mounted such that prior to attachment of the hub portion with the encoder shaft, the encoder is allowed a degree of movement to come into alignment with the hub portion. | 05-15-2014 |
| 20150027866 | SWITCH - A switch has a base having a recess, and a plurality of fixed contacts mounted in an inner side face of the recess, an electrically conductive actuator disposed within the recess of the base, the electrically conductive actuator having a pair of movable contact portions and an elastically deformable elastic portion, the movable contact portions having movable contacts capable of being connected to respective fixed contacts, at least one engagement convex portion disposed on one of the base and the electrically conductive actuator, and at least one engagement concave portion disposed on the other of the base and the electrically conductive actuator and engageable with the at least one engagement convex portion. The elastic portion of the electrically conductive actuator is elastically deformed to break an engagement between the engagement convex and concave portions when the actuator moves between a first position and a second position. | 01-29-2015 |
| 20160086749 | Apparatus For And Method Of Reducing Rotary Knob Noise - The aspects of the present disclosure provide an apparatus for and method of reducing rotary knob produced by a plurality of detents, in particular, a rotary retainer within a rotary knob assembly. The rotary retainer has a generally cylindrical body and an angular flange protruding outwardly from and around the generally cylindrical body and a plurality of detents disposed on the angular flange. The angular flange is made of a first material capable of sustaining a torque exceeding a first predetermined threshold and wherein the plurality of detents are made from a second material different from the first material, the second material being capable of sustaining a torque exceeding a second predetermined threshold, and the first material and the second material are configured to dampen noise generated by the plurality of detents when the rotary knob is operated. | 03-24-2016 |
| 20160181032 | SEALABLE SETTINGS DIAL | 06-23-2016 |
| 20080202902 | Knob assembly - A knob assembly applicable for an electronic device for executing a plurality of default commands is provided, which at least includes a manipulator and a plurality of push switches disposed adjacent to the manipulator, wherein the manipulator performs back and forth swing and linear movement, and touches a corresponding push switch in the travel of the back and forth swing and the linear movement, so as to output a trigger signal for executing a corresponding default command. | 08-28-2008 |
| 20100155201 | Momentary contact rotary switch device - A rotary switch for activating selected functions in a hand held device. One embodiment of the invention provides a rotary switch having a rotatable switch selector. Whenever the switch selector is rotated, it reduces the diameter of a torsion spring causing the torsion spring to contact a switch contact and signal a microprocessor to selectably power a particular circuit or a step in a routine. | 06-24-2010 |
| 20120000753 | QUAD BREAK MODULAR CIRCUIT BREAKER INTERRUPTER - An interrupter includes at least four pairs of contacts. Each pair of contacts includes a stationary contact positioned to abut a corresponding moveable contact. The moveable contacts are coupled to a rotating member. The rotating member is coupled to a driving member via a biasing member. The driving member is rotated causing all four pairs of contacts to separate and open a circuit quickly. | 01-05-2012 |
| 20120103766 | ON-LOAD TAP CHANGER WITH ENERGY STORAGE MECHANISM - The invention relates to an on-load tap changer having an energy storage device, by means of which an output shaft is rotatable in spurts. According to the invention, in addition to the actual energy storage spring or the actual energy storage springs, at least one further spring is provided, which absorbs/releases energy after the activation of the energy storage mechanism, whereby the torque curve can be optimised. | 05-03-2012 |
| 20120118713 | Switch With Pivoting Actuator - A rotary switch having a body, a rotary knob attached to the body, and at least two terminals attached to the body. An actuator is pivotably mounted within the body and operably connected to the rotary knob, the actuator pivoting upon a rotation of the rotary knob. A conductor is pivotably mounted in the body and is in communication with the actuator. The conductor is adapted to connect or disconnect the at least two terminals when the actuator is pivotably moved. | 05-17-2012 |
| 20140166449 | Forward/Backward Rotation Switching Mechanism - The present invention relates to a forward/backward rotation switching mechanism, comprising: a cover, a turntable, a terminal-fixing body, a first contact terminal, and a second contact terminal. In the present invention, a plurality of dust-off trenches are especially formed on the peripheral edges of the turntable for preventing from the dust accumulation between the turntable and a cover; therefore, even if the forward/backward rotation switching mechanism is used in an environment having a lot of dust, the turntable can still be turned around because the dust is ruled out by the dust-off trenches. | 06-19-2014 |
| 20150129398 | ROTARY BATTERY SWITCH - A battery switch including a selector supported by a housing and rotatably mounted to the housing. The selector having four positions, including, a first position in which a first and second bank terminals are disconnected from a first and second load terminals, a second position in which the first bank terminal is connected to the first load terminal and the second bank terminal is disconnected from the second load terminal, a third position in which the first bank terminal is connected to the first load terminal, the second bank terminal is connected to the second load terminal, and the first bank terminal is disconnected from the second bank terminal, and a fourth position in which the first bank terminal is connected to the first load terminal and the second bank terminal and the second bank terminal is connected to the second load terminal. | 05-14-2015 |
| 20090000927 | On-Load Tap Changer with an Energy Storage Mechanism - The invention relates to an on-load tap changer having an energy storage mechanism for changing over, without any interruptions, between different winding taps of a tap-changing transformer on load. According to the invention, the energy storage mechanism has one or more compression springs, which are tensioned at the beginning of a changeover operation. In comparison with the tensile springs used to date with such energy storage mechanisms, the compression springs have markedly greater long-term strength. | 01-01-2009 |
| 20090071806 | Off-circuit tap changer device - An off-circuit tap changer device which includes a spring-biased moving contact that is operable to independent flex and roll. The moving contact includes one or more rings which are independently spring biased to a moving contact support. The device also includes a single rod with locking elongated ribs to mate with a sleeve of the moving contact support. The circulating circuit includes X stationary contacts. The resiliency via the spring-biasing and the rolling of the ring minimizes, if not prevents, surface wearing of the moving contacts. | 03-19-2009 |
| 20090288934 | Energy Store - The invention relates to an energy store for a load tap changer with a longitudinally movable lifting carriage and an also longitudinally movable snap-action carriage which follows the movement of the lifting carriage after being triggered and whose longitudinal movement is converted into a rotary movement of an output shaft that actuates the load tap changer. In order to do so, two rolls which are guided in an especially geometrically designed guide rail are disposed on the snap-action carriage. Only one of the two rolls is positively guided in the guide rail during the first part of each movement of the snap-action carriage while the other roll can be moved freely. The second roll that could previously be moved freely is then positively guided during the second part of the movement while the roll which was previously guided can be moved freely. The roll which was initially guided is positively guided once again during the third part of the movement. | 11-26-2009 |
| 20100038220 | Dual Voltage Switch - A transformer switch, such as a dual voltage switch or a tap changer. The switch includes a cover, a housing, and a rotor sandwiched between the cover and the housing. The cover and housing are molded from a non-conductive plastic. An interior space of the cover includes at least one pocket within which stationary contacts are disposed. Each stationary contact is electrically coupled to one or more windings of a transformer. The rotor extends within a channel of the housing, from a top of the transformer switch to an interior surface of the cover. The interior surface includes a protrusion about which the rotor and at least one movable contact coupled thereto can rotate. The movable contact is configured to be selectively electrically coupled to at least one of the stationary contacts. For example, different stationary contact-movable contact pairs can correspond to different voltages of the transformer. | 02-18-2010 |
| 20100038221 | Tap Changer Switch - A transformer switch, such as a dual voltage switch or a tap changer. The switch includes a cover, a housing, and a rotor sandwiched between the cover and the housing. The cover and housing are molded from a non-conductive plastic. An interior space of the cover includes at least one pocket within which stationary contacts are disposed. Each stationary contact is electrically coupled to one or more windings of a transformer. The rotor extends within a channel of the housings from a top of the transformer switch to an interior surface of the cover. The interior surface includes a protrusion about which the rotor and at least one movable contact coupled thereto can rotate. The movable contact is configured to be selectively electrically coupled to at least one of the stationary contacts. For example, different stationary contact-movable contact pairs can correspond to different voltages of the transformer. | 02-18-2010 |
| 20100038222 | Multi-Deck Transformer Switch - A transformer switch, such as a multi-deck tap changer, includes an assembly with a first housing coupled to a first cover. The first cover holds at least a first stationary electric contact. A second housing is formed integrally with the first cover, and is coupled to a second cover, the second cover holding at least a second stationary electric contact. The first housing and first cover together define a first interior volume within which the first stationary electric contact is disposed. The second cover and the second housing together define a second interior volume within which the second stationary electric contact is disposed. Each housing-cover coupled pair includes an interior rotor rotatable relative to the stationary electric contact in the cover of the pair. At least one movable contact is coupled to each rotor. The covers and housings can be molded from a non-conductive plastic. | 02-18-2010 |
| 20100263996 | Measuring Contact Sequence In A Tap Changer - A tap changer and a method for measuring a contact sequence of a tap changer is provided. The tap changer includes a cylinder and a shaft that is rotatably arranged inside the cylinder, the cylinder is provided with fixed contacts, the shaft is provided with a contact circuit facing the cylinder and including mechanical contacts, which mechanical contacts are adapted to selectively mate with the fixed contacts of the cylinder upon rotation of the shaft, the contact circuit also includes at least two measuring points for measuring the function of the contact circuit. The tap changer includes at least one measuring contact device, which is electrically connected to the respective measuring points in the contact circuit, and which the measuring contact device is arranged inside the shaft. This facilitates access to the measuring points of the tap changer. | 10-21-2010 |
| 20110000769 | REVERSING AND A METHOD OF MODIFYING A TAP CHANGER TO USE THE SAME - A reversing switch for a tap changer of a transformer is provided. The reversing switch includes first and second contact structures for connection to a winding of the transformer and a mounting structure for connection to a neutral terminal of the transformer. A bus bar connects a third contact structure to the mounting structure. A movable contact arm is secured to a rotatable post. The contact arm includes a contact assembly mounted to an arm. The contact assembly has one or more outward contacts and one or more inward contacts. The one or more inward contacts engage the third contact structure and the one or more outward contacts selectively engage the first contact structure or the second contact structure. The first and second contact structures and the mounting structure are located at about the same radial distance from the post, while the third contact structure is located closer to the post. | 01-06-2011 |
| 20130192963 | MECHANICAL SWITCH CONTACT - The invention relates to a mechanical switch contact ( | 08-01-2013 |
| 20130206555 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption. The general inventive concept lies in eliminating the previously static design of the on-load tap changer, comprising a load transfer switch and a selector adjoining directly under the load transfer switch, and to bring about a spatial separation of the load transfer switch and selector assemblies. | 08-15-2013 |
| 20130213776 | TAP CHANGER HAVING A FREEWHEEL - The invention relates to a stepping switch ( | 08-22-2013 |
| 20130213777 | TAP CHANGER - The invention relates to a tap changer for switching among winding taps of a step transformer without interruption, said step transformer having an oil-filled transformer tank, wherein the tap changer does not have a separate housing or a housing that completely encloses the tap changer and is arranged on the outside of or inside the transformer tank connected to the oil filling of the step transformer. | 08-22-2013 |
| 20130306449 | CHANGE-OVER STRUCTURE BETWEEN MOVING CONTACT AND STATIC CONTACT OF TAP SELECTOR - Disclosed is a change-over structure between a moving contact and a static contact of a tap selector, including an insulation changer base plate, and further including at least two static contacts, fixed on the insulation changer base plate in at least one column at intervals, where inner ends of at least two static contacts are electrically connected to two tap windings of a transformer respectively; at least one rotation shaft, where at least two moving contacts are evenly distributed on the one rotation shaft, and the at least two moving contacts are electrically connected to each other; and at least one arc-shaped conductor corresponding to the at least two static contacts in at least one column, where the arc-shaped conductor and outer ends of the at least two static contacts in at least one column are located at the same circumference with a center of the rotation shaft as a circle center, and when one of the moving contacts is changed over between the two static contacts, the other moving contact is certainly electrically connected to the arc-shaped conductor. Through the present invention, connection conductors in the changer are omitted, so that each component is fixed and reliable and is convenient to mount, and hidden fault troubles are reduced. | 11-21-2013 |
| 20130327619 | OFF-CIRCUIT TAP CHANGER - In one aspect of the invention, an off-circuit tap changer includes a switch base and a rotation shaft penetrating the switch base. An upper end of the rotation shaft is connected to an operation positioning device, a lower end of the rotation shaft is disposed with moving contacts, and fixed contacts corresponding to the moving contacts are circumferentially disposed at a spacing on the switch base; the moving contacts are radial elastic rolling moving contacts, and the radial elastic rolling moving contacts span between two adjacent fixed contacts and closely contact the fixed contacts. | 12-12-2013 |
| 20130327620 | DISK TYPE OFF-CIRCUIT TAP CHANGER - In one aspect of the present invention, a disk type off-circuit tap changer includes a switch base and a rotation shaft, where an upper end of the rotation shaft is connected to an operation positioning mechanism, a lower end of the rotation shaft is connected to moving contacts, the moving contacts fit with fixed contacts circumferentially arranged at a lower side of the switch base, and the fixed contacts are directly embedded into the switch base to form a whole body with the switch base. | 12-12-2013 |
| 20130341166 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching between winding taps of a step transformer without interruption, comprising a separate selector for preselecting the winding tap to be switched to without control current, and a separate load transfer switch for actually transferring the load from the previous to the preselected new winding tap. The invention further relates to an energy store having at least one energy store spring that is first tensioned for each load transfer by a rotating drive shaft and that abruptly actuates the load transfer switch after being triggered. According to the invention, a gear is provided by means of which the energy store can be tensioned after mechanical freewheel is provided between the gear and the energy store, such that the energy store can be tensioned after a time delay, and a further mechanical freewheel ( | 12-26-2013 |
| 20140014479 | TAP CHANGER WITH IMPROVED SWITCH CONSTRUCTION - An on-load tap changer is provided having a pair of bypass switches, each of which includes a plurality of contacts at least partially disposed in a contact carrier. The contacts are arranged in a stack and cooperate to form a groove and a mounting bore. A mounting post extends through the mounting bore such that the contacts are pivotable about the mounting post between an open and a closed position. When an actuation assembly moves the contacts to the open or closed position, the contacts move longitudinally relative to the contact carrier. | 01-16-2014 |
| 20140034463 | TAP CHANGER AND VACUUM INTERRUPTER FOR A TAP CHANGER OF THIS KIND - The invention relates to a tap changer for switching over between winding taps of a tap transformer without interruption, wherein two load branches are provided for each phase which is to be switched and each load branch has a vacuum switching contact, which acts as a main contact and, parallel to said vacuum switching contact, at least one series circuit comprising a transition resistor and in each case a further vacuum switching contact. In this case, in each case one vacuum switching contact of each load branch is structurally combined to form a single vacuum interrupter having two separate, fixed contacts ( | 02-06-2014 |
| 20140048394 | STRIP TYPE OFF-CIRCUIT TAP CHANGER - On aspect of the present invention, a strip type off-circuit tap changer includes an insulating rod and a support, where an operation positioning device is arranged on the support, a rack mobile frame is disposed on the insulating rod, the rack of the rack mobile frame is engaged to a drive gear of the operation positioning device, columnar fixed contacts are longitudinally arranged at a spacing on the insulating rod, the rack mobile frame is connected to a moving contact frame, and a moving contact assembly is arranged on the moving contact frame and fits with the fixed contacts on the insulating rod, the moving contact assembly is formed by an annular moving contact and an elastic pin, and the annular moving contact spans between two adjacent columnar fixed contacts. | 02-20-2014 |
| 20140190803 | LOAD TRANSFER SWITCH FOR A TAP CHANGER - The invention relates to a load transfer switch for a tap changer for switching among various winding taps of a step transformer without interruption. The general inventive concept lies in fastening both the force accumulator and the load transfer switch not on the bearing plate but rather on the force accumulator support by providing additional receptacles on the force accumulator support, which receptacles are supported over a large area on the oil tank, in particular on the upper permanent main contact supports fastened to the oil tank, of each phase of the load transfer switch in such a way that the force accumulator support is fixed both in the horizontal direction and the vertical direction and thus mechanically unburdens the bearing plate. | 07-10-2014 |
| 20140209440 | ENERGY-STORING UNIT WITH FORCING MECHANISM, AND ON-LOAD TAP CHANGING DEVICE - An energy-storing unit with a forcing mechanism and an on-load tap changing device provided with the same which employ an inexpensive and simple structure and which can suppress a loading torque to operate stably. A forcing mechanism built in an energy-storing unit includes a protrusion, a bearing, and a loading cam. Among those components, the protrusion is attached to the bottom face of an eccentric cam, and the bearing is attached to the tip of the protrusion. The loading cam is an isosceles triangle having a vertex that is substantially 90 degrees, and is attached to the top face of an energy-storing case. The loading cam becoming in contact with the bearing causes a crank to rotate through the energy-storing case, and feeds a catch to a standby position. | 07-31-2014 |
| 20140216902 | TAP CHANGER - In an end-side tap changing mechanism group of a plurality of tap changing mechanism groups that is located at an end of a rotation shaft, input connection points between a plurality of fixed contact connection members and a plurality of input conductors, respectively, are located closer in a shaft direction of the rotation shaft to a center line of entire the plurality of tap changing mechanism groups than a center line of the end-side tap changing mechanism group, and an output connection point between a stator connection member and an output conductor is located closer in the shaft direction of the rotation shaft to the center line of entire the plurality of tap changing mechanism groups than the center line of the end-side tap changing mechanism group. | 08-07-2014 |
| 20140291130 | EXTERNAL ON-LOAD TAP CHANGER - Disclosed is a suspensible external combined on-load tap changer, including: a switch box, a switch body and a motor mechanism, a top box wall of the switch box being opened with a top opening, a top box cover being mounted on the top opening, wherein the switch body is detachably mounted in the switch box and is entirely lifted in and lifted out by the top opening; and the motor mechanism is connected with the switch body in a driving manner. The switch body in the present invention uses a hoisting structure, and the top box wall of the switch box is opened with a top opening with a size large enough, so that the switch body is directly lifted in and lifted out of the switch box from the top opening, and installation and maintenance are easier. | 10-02-2014 |
| 20140318936 | POWER-SWITCH WITH INTERNAL VOLTAGE MEASUREMENT - A power-switch having a switch housing and an electronic module, at least one contact being provided to tap a voltage at a primary conductor, and an adapter being provided to reduce the tapped voltage of said primary conductor. | 10-30-2014 |
| 20150008104 | ON-LOAD TAP CHANGER WITH TWO VACUUM INTERRUPTERS AND DRIVE THEREFOR - An on-load tap changer ( | 01-08-2015 |
| 20150014130 | TAP SWITCH - The invention relates to a tap changer for voltage regulation with semiconductor switching components on a regulating transformer having a regulating winding. The tap changer is of a modular design and each module comprises, respectively, one partial winding of the regulating winding that is connectable or disconnectable by means of semiconductor switching components. Varistors and capacitors are additionally integrated for protecting the semiconductor switching components against high voltages. | 01-15-2015 |
| 20150047954 | TAP CHANGER - An on-load tap changer is provided and includes a plurality of modules disposed in an interior space of a tank and arranged in a side-by-side manner. Each module has a bypass switch assembly and a vacuum interrupter assembly mounted to a first side of a board. The bypass switch assembly is actuated by rotation of a bypass cam and the vacuum interrupter assembly is actuated by rotation of an interrupter cam. A transmission system rotates the bypass cam and the interrupter cam. The transmission system is mounted on a second side of the board. | 02-19-2015 |
| 20150047955 | TAP CHANGER HAVING AN IMPROVED VACUUM INTERRUPTER ACTUATING ASSEMBLY - An on-load tap changer is provided having a vacuum interrupter actuatable by a shaft. A movable shuttle is connected to an impact mass by springs such that the impact mass tends to follow the shuttle when the shuttle moves. A pawl assembly is operable to hold and then release the impact mass when the shuttle starts moving. The holding of the impact mass when the shuttle starts to move causes the springs to store both a compression force and a tension force, which are released when the impact mass is released. | 02-19-2015 |
| 20150060244 | SELECTOR FOR A TAP CHANGER - The invention relates to a selector for a tap changer for switching among winding taps of a step transformer without interruption, wherein the selector consists of a plurality of honeycomb segments arranged horizontally one over the other and vertically next to each other, which honeycomb segments can be fixed to each other by contact holders and pins. According to the invention, by means of such a modular design, a large variety of selector variants is possible using only few components. | 03-05-2015 |
| 20150068877 | ARRANGEMENT OF VACUUM SWITCHING TUBES IN A LOAD TRANSFER SWITCH - Arrangement of vacuum switching tubes ( | 03-12-2015 |
| 20150303006 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption according to the preamble of the first patent claim. The general inventive concept lies in actuating both the selector contact unit and the switching means for uninterrupted load switching by means of a common motor drive without an energy store being connected therebetween. | 10-22-2015 |
| 20150311006 | TRANSFORMER TAPPING ARRANGEMENT AND METHODS OF OPERATION OF SAME - A tapping arrangement for a transformer, the arrangement comprising a plurality of fixed contacts, a movable rotary contact, a transition rotor with pairs of transition contacts, an interrupter coupling assembly and driving motor(s) are compacted into a single vacuum chamber | 10-29-2015 |
| 20160005554 | LINEAR SELECTOR - The invention relates to a linear selector ( | 01-07-2016 |
| 20160012982 | TAP CHANGER | 01-14-2016 |
| 20160126025 | ON-LOAD TAP CHANGER AMD METHOD OF EMERGENCY SETTING DEFINED SWITCHING POSITION THEREOF - The invention relates to an electric motor-operated on-load tap changer ( | 05-05-2016 |
| 20160133399 | SELECTOR SWITCH FOR TAP-CHANGING TRANSFORMERS AND SUPPORT ARM FOR A TAP SELECTOR THEREOF - The invention relates to a selector switch ( | 05-12-2016 |
| 20160141120 | ON-LOAD TAP CHANGER, METHOD FOR INSTALLING A LOAD TRANSFER SWITCH INSERT IN THE ON-LOAD TAP CHANGER, AND KEROSENE DRAIN SCREW - The invention relates to an on-load tap changer ( | 05-19-2016 |
| 20160148742 | BURST PROTECTOR FOR HIGH-VOLTAGE DEVICE - The invention relates to a bursting device ( | 05-26-2016 |
| 20160155580 | ON-LOAD TAP CHANGER | 06-02-2016 |
| 20160181025 | ON-LOAD TAP CHANGER | 06-23-2016 |
| 20100032267 | SWITCHING ELEMENT FOR ACTUATING AN ADJUSTABLE PARAMETER - A switch element ( | 02-11-2010 |
| 20120006659 | Rotary Switch - A rotary switch is provided having high flexibility in design depending on required operations. A rotor ( | 01-12-2012 |
| 20140144761 | Electrical rotary switch with closing elements at stationary contact locations inhibiting spark discharge and/or with a locking spring member - A rotary electrical switch comprises a housing having a first rotary contact space for accommodating a rotary contact and a plurality of stationary contact spaces for selectively accommodating at least one stationary contact. The housing comprises one or more closing elements for closing one or more of the stationary contact spaces not in use for accommodating a stationary contact. Another aspect comprises a locking spring member having a first portion being a resilient spring member configured for releasably engaging a locking member, while a second portion is configured for mechanically coupling to a spindle portion for imparting a rotational force on at least one rotary contact of the switch. | 05-29-2014 |
| 20160079014 | ROTATIONAL OPERATION TYPE SWITCH - A rotational operation type switch includes a frame; a rotational operation button rotatably supported on the frame for rotational operation; a switching contact mechanism disposed below the operation button to face the operation button; and an operation mechanism disposed between the operation button and the switching contact mechanism, to switch the switching contact mechanism in conjunction with the rotational operation of the operation button. The switching contact mechanism includes a printed circuit board, a plurality of fixed contact electrodes disposed on the printed circuit board and spaced a predetermined distance away from each other, and a movable contact having a disc spring shape and disposed bridging between the plurality of fixed contact electrodes. The movable contact deforms to contact and separate from the fixed contact electrodes and switches an electrical connection between the fixed contact electrodes. | 03-17-2016 |
| 20090045038 | Digital multimeter having improved rotary switch assembly - A multimeter includes a case having a rotary selector knob for selecting a multimeter function. A circuit board defining multiple switching terminals thereon is located in the case. A rotary switch assembly is operatively coupled to the selector knob. The rotary switch assembly has a plurality of contact pairs which selectively complete a galvanic connection across predetermined pairs of switching terminals. The rotary switch assembly further includes first and second switch members located in opposition on respective sides of the circuit board. Each of the switch members has at least one of the contact pairs. | 02-19-2009 |
| 20120103765 | DIGITAL MULTIMETER HAVING IMPROVED ROTARY SWITCH ASSEMBLY - A multimeter includes a case having a rotary selector knob for selecting a multimeter function. A circuit board defining multiple switching terminals thereon is located in the case. A rotary switch assembly is operatively coupled to the selector knob. The rotary switch assembly has a plurality of contact pairs which selectively complete a galvanic connection across predetermined pairs of switching terminals. The rotary switch assembly further includes first and second switch members located in opposition on respective sides of the circuit board. Each of the switch members has at least one of the contact pair. | 05-03-2012 |
| 20120261238 | MULTIPOSITION SWITCH - A multiposition switch that comprises a base member accommodating a plurality contact members, respectively. The plurality of contact members are adapted to electrically mate to a host printed circuit board. A routing subassembly is rotatably coupled to the base member. The routing subassembly includes a routing member that defines a plurality of electrical paths between the contact members for switching between combined and uncombined positions. An actuator is coupled to the rotating member for rotating the routing member with respect to the base member between the combined and uncombined positions. | 10-18-2012 |
| 200011000 | Wafer | 3 |
| 20090026051 | Input device for rapid triggering of rolling signals - The present invention includes a wheel mounted onto an electronic device through a holding rack and turnable freely under an external force. The wheel has a click portion to generate signals that consists of concave and convex portions formed radially and equally spaced from one another. A signal generation means is provided including at least two legs and a conductive element located between the two legs having an elastic return force. The conductive element is moved to connect the two legs due to rotation of the click portion to generate instruction signals. A friction force is generated when the conductive element is connected to the click portion. A rotation resistant force is generated when the conductive element and the rotating click portion are connected. A composite force is formed by the force to generate rotation and the rotation resistant force. The composite force forms an inverse relationship with the weight of the wheel. | 01-29-2009 |
| 20090260959 | ELECTRO-MECHANICAL PULSE GENERATOR - An electromechanical pulse generator and a method of generating electrical pulses are disclosed. The electromechanical pulse generator comprises very few parts and includes an effective mechanism to prevent contact rebound. An upper, user-actuable and rotatable part has a surface with a plurality of projections. A lower part has an electrical conductor with a displaceable resilient contact portion biased against the projections and two electrical contacts positioned, in the plane of rotation, on either side of the displaceable contact portion. | 10-22-2009 |
| 20090266687 | IGNITION SWITCH - A three-position, single-pole, double-throw, rotary ignition switch is disclosed that is water-tight and provides qualitative and quantifiable durability in the presence of high-current loads, even after long use. It withstands a continuous 20 A load, plus an additional occasional 20 A load, when in the “run” position. It withstands an additional 75 A inductive load when in the “start” position. Then even after 12,000 operational cycles, leakage current (with 28 VDC supply voltage) when the switch is in the “off” position remains under 0.3 mA, and still allows leakage current not exceeding 10 mA at any time while each disconnected pair of terminals and between terminals and ground are exposed to 1,000±5 V | 10-29-2009 |
| 20090277762 | MICROMACHINE SWITCH, FILTER CIRCUIT, DUPLEXER CIRCUIT, AND COMMUNICATION DEVICE - A micromachine switch of the present invention is a micromachine switch for switching an electrical connection between signal electrodes in accordance with control signals from outside which include: a first control signal for electrically connecting the signal electrodes between which a signal is to be passed; and a second control signal for disconnecting the electrical connection between the signal electrodes. The micromachine switch comprises: a substrate; a rotating body provided on the substrate, which is rotatable on the substrate; a movable electrode provided on the rotating body; a first signal electrode, one end of which is electrically connected to one end of the movable electrode, and another end of which is provided on the substrate; a second signal electrode which is provided near the rotating body so as to be positioned such that a rotation of the rotating body causes the second signal electrode to be electrically connected to another end of the movable electrode; and a drive section for causing, in accordance with the first control signal, the rotating body to rotate until the rotating body is in such a position as to allow said another end of the movable electrode and the second signal electrode to be electrically connected, and for causing, in accordance with the second control signal, the rotating body to rotate until the rotating body is in such a position as to disconnect an electrical connection between said another end of the movable electrode and the second signal electrode. | 11-12-2009 |
| 20090294262 | LOW PROFILE ROTARY SWITCH WITH AN ENCLOSED DETENT SUB-ASSEMBLY - The panel mounted low profile rotary switch includes a knob, a detent sub-assembly, a shaft, a bushing, and a panel. The knob is held to the shaft by one or more locking screws and the operation of the detent sub-assembly is enclosed and is not altered by removal of the knob. The entire detent sub-assembly is located on the knob side or user's side of the panel. Only the bushing and the shaft extend through the panel. The shaft is connected to a rotary component such as a rotary switch contact which engages circuitry on a printed circuit board. The switch or electrical connection is located on the undersurface of the panel. | 12-03-2009 |
| 20100038219 | ELECTRONIC SIGNALLING SYSTEM - The present invention relates to an electronic signaling system utilizing a multi-contact switch that is activated by a mechanical activity which is converted to electrical signaling. The electrical signal activates an electric motor which, in turn, closes, in a predetermined sequence, a series of electronic circuits, which generate a series of electrical signals. The multi-contact switch according to the present invention, may replace a human user who would otherwise generate these electric signal by pressing a series of buttons in a predetermined sequence. | 02-18-2010 |
| 20100044193 | RATCHET WHEEL MECHANISM AND TURNING SWITCH WITH RATCHET WHEEL MECHANISM - In the present invention are disclosed a step type ratchet wheel mechanism and a turning switch with step type ratchet wheel mechanism, wherein comprising: camshaft circular disc, on its end surface is disposed at least one groove, on its rim is disposed at least one positioning slot; driving cam, on its end surface is disposed at least one groove, on its rim is disposed at least one angular shape tooth; first pawl and second pawl; one resilient element is contained in the chamber, which is formed from two corresponding grooves respectively disposed on the end surfaces of camshaft circular disc and driving cam. When said camshaft circular disc is at a control-position, first pawl falls into one positioning slot of camshaft circular disc; when said driving cam is being turned toward next control-position, said two grooves will be staggered, said resilient element is compressed; when said driving cam is turned to the next control-position, one angular shape tooth will push first pawl out from said positioning slot, the released resilient element will cause said camshaft circular disc turning to the next control-position, and then second pawl will fall into another positioning slot of camshaft circular disc. In use of the present invention, the acted force is even, the operation is steady, the hand handle is comfortable, and furthermore, the phenomenon of hung-up point between two adjacent control-positions also may be avoided. | 02-25-2010 |
| 20100065407 | CONTROL ASSEMBLY FOR INTERLOCKED SOCKETS - A control assembly for interlocked sockets includes a rotary breaker which is actuated by a knob and is mounted on a supporting structure. The control assembly includes a visual indication means which has the purpose of highlighting the open/closed state of the rotary breaker as a consequence of rotations of the knob. | 03-18-2010 |
| 20100140064 | ROTARY CONTROL SWITCH MOUNTED ON CONTROL PANEL OF ELECTRICAL APPLIANCE - A rotary control switch includes a body member, a shaft member and a conducting member. The body member includes a main body having a receptacle and a perforation. Multiple recesses are disposed within the receptacle. The perforation is communicated with the receptacle. The shaft member includes a base and a rotating shaft. The base has a sustaining structure. A protrusion is extended from the rotating shaft. The conducting member is connected with the base of the shaft member. The protrusion is sustained against or engaged with the main body and the base is accommodated within the receptacle of the body member. The base of the shaft member is rotated with respect to the control panel and the body member upon rotation of the rotating shaft. When the sustaining structure is sustained against a specified one of the recesses, the conducting member is electrically connected with a corresponding contact pad of the control panel. | 06-10-2010 |
| 20100258412 | Rotary Switch and Relative Assembly Method - A rotary switch comprising a body housing inside itself a rotating shaft operatively connected to a valve or actuator. The switch further comprises a cover, associated to the body by threaded coupling means, provided with an indicator swivelling integrally with the shaft, so that it enables visual signalling of the angular position and/or operating status of the shaft. The switch comprises centering means, mechanically distinct from the threaded coupling means, which ensure the centering of the cover in relation to the body and the coaxial relation between the cover and the rotating shaft. | 10-14-2010 |
| 20100258413 | MULTI-POSITION ROTARY SWITCH - A multi-position rotary switch comprises a plurality of identical switch chamber modules that are arranged one next to the other. Each switch chamber module holds a separate line switch allocated to a respective circuit. A standalone actuator housing holds a catch assembly for a switch shaft, which is coupled with a cam slide by means of a gear drive. The cam slide is located between a block like arrangement of switch chamber modules and the housing for the activation mechanism, which is designed for a standard configuration with three switch chamber modules connected to each other. The electrical terminals of the multi-position rotary switch are located on a narrow sides of the individual switch chamber modules. | 10-14-2010 |
| 20100294632 | Safety Rotary Operator Assembly - A rotary operator assembly ( | 11-25-2010 |
| 20110024272 | MOVABLE CONTACT ASSEMBLY FOR ELECTRICAL SWITCH - A movable contact assembly for an electrical switch is provided. In at least one embodiment, the movable contact assembly includes a movable contact and a pair of supports, with each support including a bottom face and a support body perpendicular thereto. In at least one embodiment, each support body includes: a cavity for holding the movable contact disposed symmetrically at each end of a diameter of the bottom face, an inner and outer hook pair extending along the axis of the support body and being disposed symmetrically to the two sides of the diameter; and a projecting tongue and recess pair extending along the axis of the support body and being disposed symmetrically to the two sides of the diameter. The movable contact-holding cavity can hold the movable contact, the two supports can engage with each other in the direction of the axis, and the pair of the supports and the movable contact are assembled together to form the movable contact assembly. The bottom face of each support can also have a connector, which is positioned symmetrical with respect to the diameter and complementary in shape, such that several movable contact assemblies can be connected with one another as needed. The movable contact assembly of an embodiment of the present invention is simple in structure, secure in connection, highly efficient for assembling, and flexible in use. | 02-03-2011 |
| 20110162943 | ELECTRO-MECHANICAL MICROWAVE SWITCH - A switch for selectively routing electrical signals, particularly microwave signals, in a printed circuit board includes a rotatable contact that is connected to a shaft. A first motor is configured to rotate the shaft and a second motor is configured to axially move the shaft to lift the contact from the printed circuit board. A position controller produces driving signals that are received by the first and second motors to lift the contact from the printed circuit board, rotate the contact to a desired position and lower the contact to the circuit board. | 07-07-2011 |
| 20110308923 | ASSEMBLY FOR INCREASING TORQUE TACTILITY OF A ROTARY CONTROL FOR A HANDHELD RADIO - A rotary control assembly ( | 12-22-2011 |
| 20120186955 | Electric Switch - An electric switch is disclosed. In at least one embodiment, the switch includes a rotor housing; at least one electric contact arm, rotatably mounted in the rotor housing and being pivotable between an on-position and an off-position as well as relative to the rotor housing; and at least one intermediate part which, in a locking position, locks the pivotable contact arm with the rotor housing and, in the event of a relative rotation between the pivotable contact arm and the rotor housing, is moved away from the predefined locking position. | 07-26-2012 |
| 20120199452 | MULTIPOLE ELECTRICAL SWITCHING DEVICE - A switching device include at least two switching poles. Each of the switching poles has one current path and one switching contact system for opening and closing the current path, wherein a movable contact arrangement of the switching contact system of the switching poles has an integral switching shaft segment, formed from insulating material, which bears a contact lever arrangement and in which the switching shaft segments of adjacent switching poles are connected by way of at least two connecting branches; so as to form the switching shaft. The connecting branches extending at a distance parallel to the axis of rotation and are formed from corresponding connecting elements. In at least one embodiment, all of the connection elements of the at least two connecting branches are formed by first sections of the integral switching shaft segments, which bear the contact lever arrangements. | 08-09-2012 |
| 20130175147 | OPERATING DEVICE - An operating device includes a dial that has a first engagement portion, a rotational body that is formed in an annular shape, and has a second engagement portion so as to be engaged with the first engagement portion of the dial. Rotation of the dial is transmitted to the rotational body through an engagement of the first and second engagement portions. The operating device also includes gear teeth that are provided on an inner circumferential portion of the rotational body, a gear that is meshed with the gear teeth and is rotated in an inner space of the rotational body, and a rotation response member that is directly coupled to a rotation shaft of the gear and varies in accordance with a rotation angle of the dial. | 07-11-2013 |
| 20130327618 | ELECTRIC CURRENT SWITCHING APPARATUS - The present disclosure relates to a rotary switch module having a first stationary contact, a second stationary contact, and a movable contact for making an electrical connection between the first stationary contact and the second stationary contact. A rotary actuator is provided for rotating the movable contact, the rotary actuator having on its surface a first indication indicating an open position of the switch, and a second indication indicating a closed position of the switch. A first window indicates the first indication, and a second window separate from the first window indicates the second indication. | 12-12-2013 |
| 20140061012 | ROTARY SWITCH - A rotary switch includes a base forming a number of contacts, a support apparatus installed in the base, and a rotary apparatus rotatably installed in the support apparatus. The support apparatus forms zigzag first and second guiding portions. The rotary apparatus includes a rotary pole, a trigger mounted to the rotary pole, two abutting poles, and two resilient members respectively connected between two opposite ends of the rotary pole and the abutting poles. An end portion of each abutting pole slides along the first guiding portion, to allow the abutting poles to stretch and withdraw along a lengthwise direction of the rotary pole, and allow the abutting poles to undulate along the second guiding portion in a direction perpendicular to the lengthwise direction of the rotary pole, to allow the rotary pole to contact and trigger one of the contacts or pass over the contact. | 03-06-2014 |
| 20140131179 | Multi-Level Rotary Switch - The present invention relates to a rotary switch with multi-level, the rotary base drives the first conductive sheet to rotate with the second conductive sheet when the rotary shaft is rotated, and the second conductive sheet leaves one of the conductive contact elements; the position end of the second conductive sheet is pressed by one positioning surface during the rotation, and the second spring stores energy; the second spring then releases the energy to the fourth end of the second conductive sheet, and the position end of the second conductive sheet slides on one positioning surface until the position end of the second conductive sheets is positioned solidly between two positioning surfaces; so that, the material cost in production can be lower down, and life time of the rotary switch can be increased. | 05-15-2014 |
| 20140131180 | Appliance Control Knob Support - An appliance control knob assembly includes an encoder with a rotatable shaft. A control knob is connected to the shaft and is mounted on a protuberance that extends into the control knob and provides a bearing mounting surface. The control knob has a hub portion rotationally supported by a bearing mounted within the protuberance, and which engages the rotatable encoder shaft. The encoder is mounted such that prior to attachment of the hub portion with the encoder shaft, the encoder is allowed a degree of movement to come into alignment with the hub portion. | 05-15-2014 |
| 20150027866 | SWITCH - A switch has a base having a recess, and a plurality of fixed contacts mounted in an inner side face of the recess, an electrically conductive actuator disposed within the recess of the base, the electrically conductive actuator having a pair of movable contact portions and an elastically deformable elastic portion, the movable contact portions having movable contacts capable of being connected to respective fixed contacts, at least one engagement convex portion disposed on one of the base and the electrically conductive actuator, and at least one engagement concave portion disposed on the other of the base and the electrically conductive actuator and engageable with the at least one engagement convex portion. The elastic portion of the electrically conductive actuator is elastically deformed to break an engagement between the engagement convex and concave portions when the actuator moves between a first position and a second position. | 01-29-2015 |
| 20160086749 | Apparatus For And Method Of Reducing Rotary Knob Noise - The aspects of the present disclosure provide an apparatus for and method of reducing rotary knob produced by a plurality of detents, in particular, a rotary retainer within a rotary knob assembly. The rotary retainer has a generally cylindrical body and an angular flange protruding outwardly from and around the generally cylindrical body and a plurality of detents disposed on the angular flange. The angular flange is made of a first material capable of sustaining a torque exceeding a first predetermined threshold and wherein the plurality of detents are made from a second material different from the first material, the second material being capable of sustaining a torque exceeding a second predetermined threshold, and the first material and the second material are configured to dampen noise generated by the plurality of detents when the rotary knob is operated. | 03-24-2016 |
| 20160181032 | SEALABLE SETTINGS DIAL | 06-23-2016 |
| 20080202902 | Knob assembly - A knob assembly applicable for an electronic device for executing a plurality of default commands is provided, which at least includes a manipulator and a plurality of push switches disposed adjacent to the manipulator, wherein the manipulator performs back and forth swing and linear movement, and touches a corresponding push switch in the travel of the back and forth swing and the linear movement, so as to output a trigger signal for executing a corresponding default command. | 08-28-2008 |
| 20100155201 | Momentary contact rotary switch device - A rotary switch for activating selected functions in a hand held device. One embodiment of the invention provides a rotary switch having a rotatable switch selector. Whenever the switch selector is rotated, it reduces the diameter of a torsion spring causing the torsion spring to contact a switch contact and signal a microprocessor to selectably power a particular circuit or a step in a routine. | 06-24-2010 |
| 20120000753 | QUAD BREAK MODULAR CIRCUIT BREAKER INTERRUPTER - An interrupter includes at least four pairs of contacts. Each pair of contacts includes a stationary contact positioned to abut a corresponding moveable contact. The moveable contacts are coupled to a rotating member. The rotating member is coupled to a driving member via a biasing member. The driving member is rotated causing all four pairs of contacts to separate and open a circuit quickly. | 01-05-2012 |
| 20120103766 | ON-LOAD TAP CHANGER WITH ENERGY STORAGE MECHANISM - The invention relates to an on-load tap changer having an energy storage device, by means of which an output shaft is rotatable in spurts. According to the invention, in addition to the actual energy storage spring or the actual energy storage springs, at least one further spring is provided, which absorbs/releases energy after the activation of the energy storage mechanism, whereby the torque curve can be optimised. | 05-03-2012 |
| 20120118713 | Switch With Pivoting Actuator - A rotary switch having a body, a rotary knob attached to the body, and at least two terminals attached to the body. An actuator is pivotably mounted within the body and operably connected to the rotary knob, the actuator pivoting upon a rotation of the rotary knob. A conductor is pivotably mounted in the body and is in communication with the actuator. The conductor is adapted to connect or disconnect the at least two terminals when the actuator is pivotably moved. | 05-17-2012 |
| 20140166449 | Forward/Backward Rotation Switching Mechanism - The present invention relates to a forward/backward rotation switching mechanism, comprising: a cover, a turntable, a terminal-fixing body, a first contact terminal, and a second contact terminal. In the present invention, a plurality of dust-off trenches are especially formed on the peripheral edges of the turntable for preventing from the dust accumulation between the turntable and a cover; therefore, even if the forward/backward rotation switching mechanism is used in an environment having a lot of dust, the turntable can still be turned around because the dust is ruled out by the dust-off trenches. | 06-19-2014 |
| 20150129398 | ROTARY BATTERY SWITCH - A battery switch including a selector supported by a housing and rotatably mounted to the housing. The selector having four positions, including, a first position in which a first and second bank terminals are disconnected from a first and second load terminals, a second position in which the first bank terminal is connected to the first load terminal and the second bank terminal is disconnected from the second load terminal, a third position in which the first bank terminal is connected to the first load terminal, the second bank terminal is connected to the second load terminal, and the first bank terminal is disconnected from the second bank terminal, and a fourth position in which the first bank terminal is connected to the first load terminal and the second bank terminal and the second bank terminal is connected to the second load terminal. | 05-14-2015 |
| 20090000927 | On-Load Tap Changer with an Energy Storage Mechanism - The invention relates to an on-load tap changer having an energy storage mechanism for changing over, without any interruptions, between different winding taps of a tap-changing transformer on load. According to the invention, the energy storage mechanism has one or more compression springs, which are tensioned at the beginning of a changeover operation. In comparison with the tensile springs used to date with such energy storage mechanisms, the compression springs have markedly greater long-term strength. | 01-01-2009 |
| 20090071806 | Off-circuit tap changer device - An off-circuit tap changer device which includes a spring-biased moving contact that is operable to independent flex and roll. The moving contact includes one or more rings which are independently spring biased to a moving contact support. The device also includes a single rod with locking elongated ribs to mate with a sleeve of the moving contact support. The circulating circuit includes X stationary contacts. The resiliency via the spring-biasing and the rolling of the ring minimizes, if not prevents, surface wearing of the moving contacts. | 03-19-2009 |
| 20090288934 | Energy Store - The invention relates to an energy store for a load tap changer with a longitudinally movable lifting carriage and an also longitudinally movable snap-action carriage which follows the movement of the lifting carriage after being triggered and whose longitudinal movement is converted into a rotary movement of an output shaft that actuates the load tap changer. In order to do so, two rolls which are guided in an especially geometrically designed guide rail are disposed on the snap-action carriage. Only one of the two rolls is positively guided in the guide rail during the first part of each movement of the snap-action carriage while the other roll can be moved freely. The second roll that could previously be moved freely is then positively guided during the second part of the movement while the roll which was previously guided can be moved freely. The roll which was initially guided is positively guided once again during the third part of the movement. | 11-26-2009 |
| 20100038220 | Dual Voltage Switch - A transformer switch, such as a dual voltage switch or a tap changer. The switch includes a cover, a housing, and a rotor sandwiched between the cover and the housing. The cover and housing are molded from a non-conductive plastic. An interior space of the cover includes at least one pocket within which stationary contacts are disposed. Each stationary contact is electrically coupled to one or more windings of a transformer. The rotor extends within a channel of the housing, from a top of the transformer switch to an interior surface of the cover. The interior surface includes a protrusion about which the rotor and at least one movable contact coupled thereto can rotate. The movable contact is configured to be selectively electrically coupled to at least one of the stationary contacts. For example, different stationary contact-movable contact pairs can correspond to different voltages of the transformer. | 02-18-2010 |
| 20100038221 | Tap Changer Switch - A transformer switch, such as a dual voltage switch or a tap changer. The switch includes a cover, a housing, and a rotor sandwiched between the cover and the housing. The cover and housing are molded from a non-conductive plastic. An interior space of the cover includes at least one pocket within which stationary contacts are disposed. Each stationary contact is electrically coupled to one or more windings of a transformer. The rotor extends within a channel of the housings from a top of the transformer switch to an interior surface of the cover. The interior surface includes a protrusion about which the rotor and at least one movable contact coupled thereto can rotate. The movable contact is configured to be selectively electrically coupled to at least one of the stationary contacts. For example, different stationary contact-movable contact pairs can correspond to different voltages of the transformer. | 02-18-2010 |
| 20100038222 | Multi-Deck Transformer Switch - A transformer switch, such as a multi-deck tap changer, includes an assembly with a first housing coupled to a first cover. The first cover holds at least a first stationary electric contact. A second housing is formed integrally with the first cover, and is coupled to a second cover, the second cover holding at least a second stationary electric contact. The first housing and first cover together define a first interior volume within which the first stationary electric contact is disposed. The second cover and the second housing together define a second interior volume within which the second stationary electric contact is disposed. Each housing-cover coupled pair includes an interior rotor rotatable relative to the stationary electric contact in the cover of the pair. At least one movable contact is coupled to each rotor. The covers and housings can be molded from a non-conductive plastic. | 02-18-2010 |
| 20100263996 | Measuring Contact Sequence In A Tap Changer - A tap changer and a method for measuring a contact sequence of a tap changer is provided. The tap changer includes a cylinder and a shaft that is rotatably arranged inside the cylinder, the cylinder is provided with fixed contacts, the shaft is provided with a contact circuit facing the cylinder and including mechanical contacts, which mechanical contacts are adapted to selectively mate with the fixed contacts of the cylinder upon rotation of the shaft, the contact circuit also includes at least two measuring points for measuring the function of the contact circuit. The tap changer includes at least one measuring contact device, which is electrically connected to the respective measuring points in the contact circuit, and which the measuring contact device is arranged inside the shaft. This facilitates access to the measuring points of the tap changer. | 10-21-2010 |
| 20110000769 | REVERSING AND A METHOD OF MODIFYING A TAP CHANGER TO USE THE SAME - A reversing switch for a tap changer of a transformer is provided. The reversing switch includes first and second contact structures for connection to a winding of the transformer and a mounting structure for connection to a neutral terminal of the transformer. A bus bar connects a third contact structure to the mounting structure. A movable contact arm is secured to a rotatable post. The contact arm includes a contact assembly mounted to an arm. The contact assembly has one or more outward contacts and one or more inward contacts. The one or more inward contacts engage the third contact structure and the one or more outward contacts selectively engage the first contact structure or the second contact structure. The first and second contact structures and the mounting structure are located at about the same radial distance from the post, while the third contact structure is located closer to the post. | 01-06-2011 |
| 20130192963 | MECHANICAL SWITCH CONTACT - The invention relates to a mechanical switch contact ( | 08-01-2013 |
| 20130206555 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption. The general inventive concept lies in eliminating the previously static design of the on-load tap changer, comprising a load transfer switch and a selector adjoining directly under the load transfer switch, and to bring about a spatial separation of the load transfer switch and selector assemblies. | 08-15-2013 |
| 20130213776 | TAP CHANGER HAVING A FREEWHEEL - The invention relates to a stepping switch ( | 08-22-2013 |
| 20130213777 | TAP CHANGER - The invention relates to a tap changer for switching among winding taps of a step transformer without interruption, said step transformer having an oil-filled transformer tank, wherein the tap changer does not have a separate housing or a housing that completely encloses the tap changer and is arranged on the outside of or inside the transformer tank connected to the oil filling of the step transformer. | 08-22-2013 |
| 20130306449 | CHANGE-OVER STRUCTURE BETWEEN MOVING CONTACT AND STATIC CONTACT OF TAP SELECTOR - Disclosed is a change-over structure between a moving contact and a static contact of a tap selector, including an insulation changer base plate, and further including at least two static contacts, fixed on the insulation changer base plate in at least one column at intervals, where inner ends of at least two static contacts are electrically connected to two tap windings of a transformer respectively; at least one rotation shaft, where at least two moving contacts are evenly distributed on the one rotation shaft, and the at least two moving contacts are electrically connected to each other; and at least one arc-shaped conductor corresponding to the at least two static contacts in at least one column, where the arc-shaped conductor and outer ends of the at least two static contacts in at least one column are located at the same circumference with a center of the rotation shaft as a circle center, and when one of the moving contacts is changed over between the two static contacts, the other moving contact is certainly electrically connected to the arc-shaped conductor. Through the present invention, connection conductors in the changer are omitted, so that each component is fixed and reliable and is convenient to mount, and hidden fault troubles are reduced. | 11-21-2013 |
| 20130327619 | OFF-CIRCUIT TAP CHANGER - In one aspect of the invention, an off-circuit tap changer includes a switch base and a rotation shaft penetrating the switch base. An upper end of the rotation shaft is connected to an operation positioning device, a lower end of the rotation shaft is disposed with moving contacts, and fixed contacts corresponding to the moving contacts are circumferentially disposed at a spacing on the switch base; the moving contacts are radial elastic rolling moving contacts, and the radial elastic rolling moving contacts span between two adjacent fixed contacts and closely contact the fixed contacts. | 12-12-2013 |
| 20130327620 | DISK TYPE OFF-CIRCUIT TAP CHANGER - In one aspect of the present invention, a disk type off-circuit tap changer includes a switch base and a rotation shaft, where an upper end of the rotation shaft is connected to an operation positioning mechanism, a lower end of the rotation shaft is connected to moving contacts, the moving contacts fit with fixed contacts circumferentially arranged at a lower side of the switch base, and the fixed contacts are directly embedded into the switch base to form a whole body with the switch base. | 12-12-2013 |
| 20130341166 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching between winding taps of a step transformer without interruption, comprising a separate selector for preselecting the winding tap to be switched to without control current, and a separate load transfer switch for actually transferring the load from the previous to the preselected new winding tap. The invention further relates to an energy store having at least one energy store spring that is first tensioned for each load transfer by a rotating drive shaft and that abruptly actuates the load transfer switch after being triggered. According to the invention, a gear is provided by means of which the energy store can be tensioned after mechanical freewheel is provided between the gear and the energy store, such that the energy store can be tensioned after a time delay, and a further mechanical freewheel ( | 12-26-2013 |
| 20140014479 | TAP CHANGER WITH IMPROVED SWITCH CONSTRUCTION - An on-load tap changer is provided having a pair of bypass switches, each of which includes a plurality of contacts at least partially disposed in a contact carrier. The contacts are arranged in a stack and cooperate to form a groove and a mounting bore. A mounting post extends through the mounting bore such that the contacts are pivotable about the mounting post between an open and a closed position. When an actuation assembly moves the contacts to the open or closed position, the contacts move longitudinally relative to the contact carrier. | 01-16-2014 |
| 20140034463 | TAP CHANGER AND VACUUM INTERRUPTER FOR A TAP CHANGER OF THIS KIND - The invention relates to a tap changer for switching over between winding taps of a tap transformer without interruption, wherein two load branches are provided for each phase which is to be switched and each load branch has a vacuum switching contact, which acts as a main contact and, parallel to said vacuum switching contact, at least one series circuit comprising a transition resistor and in each case a further vacuum switching contact. In this case, in each case one vacuum switching contact of each load branch is structurally combined to form a single vacuum interrupter having two separate, fixed contacts ( | 02-06-2014 |
| 20140048394 | STRIP TYPE OFF-CIRCUIT TAP CHANGER - On aspect of the present invention, a strip type off-circuit tap changer includes an insulating rod and a support, where an operation positioning device is arranged on the support, a rack mobile frame is disposed on the insulating rod, the rack of the rack mobile frame is engaged to a drive gear of the operation positioning device, columnar fixed contacts are longitudinally arranged at a spacing on the insulating rod, the rack mobile frame is connected to a moving contact frame, and a moving contact assembly is arranged on the moving contact frame and fits with the fixed contacts on the insulating rod, the moving contact assembly is formed by an annular moving contact and an elastic pin, and the annular moving contact spans between two adjacent columnar fixed contacts. | 02-20-2014 |
| 20140190803 | LOAD TRANSFER SWITCH FOR A TAP CHANGER - The invention relates to a load transfer switch for a tap changer for switching among various winding taps of a step transformer without interruption. The general inventive concept lies in fastening both the force accumulator and the load transfer switch not on the bearing plate but rather on the force accumulator support by providing additional receptacles on the force accumulator support, which receptacles are supported over a large area on the oil tank, in particular on the upper permanent main contact supports fastened to the oil tank, of each phase of the load transfer switch in such a way that the force accumulator support is fixed both in the horizontal direction and the vertical direction and thus mechanically unburdens the bearing plate. | 07-10-2014 |
| 20140209440 | ENERGY-STORING UNIT WITH FORCING MECHANISM, AND ON-LOAD TAP CHANGING DEVICE - An energy-storing unit with a forcing mechanism and an on-load tap changing device provided with the same which employ an inexpensive and simple structure and which can suppress a loading torque to operate stably. A forcing mechanism built in an energy-storing unit includes a protrusion, a bearing, and a loading cam. Among those components, the protrusion is attached to the bottom face of an eccentric cam, and the bearing is attached to the tip of the protrusion. The loading cam is an isosceles triangle having a vertex that is substantially 90 degrees, and is attached to the top face of an energy-storing case. The loading cam becoming in contact with the bearing causes a crank to rotate through the energy-storing case, and feeds a catch to a standby position. | 07-31-2014 |
| 20140216902 | TAP CHANGER - In an end-side tap changing mechanism group of a plurality of tap changing mechanism groups that is located at an end of a rotation shaft, input connection points between a plurality of fixed contact connection members and a plurality of input conductors, respectively, are located closer in a shaft direction of the rotation shaft to a center line of entire the plurality of tap changing mechanism groups than a center line of the end-side tap changing mechanism group, and an output connection point between a stator connection member and an output conductor is located closer in the shaft direction of the rotation shaft to the center line of entire the plurality of tap changing mechanism groups than the center line of the end-side tap changing mechanism group. | 08-07-2014 |
| 20140291130 | EXTERNAL ON-LOAD TAP CHANGER - Disclosed is a suspensible external combined on-load tap changer, including: a switch box, a switch body and a motor mechanism, a top box wall of the switch box being opened with a top opening, a top box cover being mounted on the top opening, wherein the switch body is detachably mounted in the switch box and is entirely lifted in and lifted out by the top opening; and the motor mechanism is connected with the switch body in a driving manner. The switch body in the present invention uses a hoisting structure, and the top box wall of the switch box is opened with a top opening with a size large enough, so that the switch body is directly lifted in and lifted out of the switch box from the top opening, and installation and maintenance are easier. | 10-02-2014 |
| 20140318936 | POWER-SWITCH WITH INTERNAL VOLTAGE MEASUREMENT - A power-switch having a switch housing and an electronic module, at least one contact being provided to tap a voltage at a primary conductor, and an adapter being provided to reduce the tapped voltage of said primary conductor. | 10-30-2014 |
| 20150008104 | ON-LOAD TAP CHANGER WITH TWO VACUUM INTERRUPTERS AND DRIVE THEREFOR - An on-load tap changer ( | 01-08-2015 |
| 20150014130 | TAP SWITCH - The invention relates to a tap changer for voltage regulation with semiconductor switching components on a regulating transformer having a regulating winding. The tap changer is of a modular design and each module comprises, respectively, one partial winding of the regulating winding that is connectable or disconnectable by means of semiconductor switching components. Varistors and capacitors are additionally integrated for protecting the semiconductor switching components against high voltages. | 01-15-2015 |
| 20150047954 | TAP CHANGER - An on-load tap changer is provided and includes a plurality of modules disposed in an interior space of a tank and arranged in a side-by-side manner. Each module has a bypass switch assembly and a vacuum interrupter assembly mounted to a first side of a board. The bypass switch assembly is actuated by rotation of a bypass cam and the vacuum interrupter assembly is actuated by rotation of an interrupter cam. A transmission system rotates the bypass cam and the interrupter cam. The transmission system is mounted on a second side of the board. | 02-19-2015 |
| 20150047955 | TAP CHANGER HAVING AN IMPROVED VACUUM INTERRUPTER ACTUATING ASSEMBLY - An on-load tap changer is provided having a vacuum interrupter actuatable by a shaft. A movable shuttle is connected to an impact mass by springs such that the impact mass tends to follow the shuttle when the shuttle moves. A pawl assembly is operable to hold and then release the impact mass when the shuttle starts moving. The holding of the impact mass when the shuttle starts to move causes the springs to store both a compression force and a tension force, which are released when the impact mass is released. | 02-19-2015 |
| 20150060244 | SELECTOR FOR A TAP CHANGER - The invention relates to a selector for a tap changer for switching among winding taps of a step transformer without interruption, wherein the selector consists of a plurality of honeycomb segments arranged horizontally one over the other and vertically next to each other, which honeycomb segments can be fixed to each other by contact holders and pins. According to the invention, by means of such a modular design, a large variety of selector variants is possible using only few components. | 03-05-2015 |
| 20150068877 | ARRANGEMENT OF VACUUM SWITCHING TUBES IN A LOAD TRANSFER SWITCH - Arrangement of vacuum switching tubes ( | 03-12-2015 |
| 20150303006 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption according to the preamble of the first patent claim. The general inventive concept lies in actuating both the selector contact unit and the switching means for uninterrupted load switching by means of a common motor drive without an energy store being connected therebetween. | 10-22-2015 |
| 20150311006 | TRANSFORMER TAPPING ARRANGEMENT AND METHODS OF OPERATION OF SAME - A tapping arrangement for a transformer, the arrangement comprising a plurality of fixed contacts, a movable rotary contact, a transition rotor with pairs of transition contacts, an interrupter coupling assembly and driving motor(s) are compacted into a single vacuum chamber | 10-29-2015 |
| 20160005554 | LINEAR SELECTOR - The invention relates to a linear selector ( | 01-07-2016 |
| 20160012982 | TAP CHANGER | 01-14-2016 |
| 20160126025 | ON-LOAD TAP CHANGER AMD METHOD OF EMERGENCY SETTING DEFINED SWITCHING POSITION THEREOF - The invention relates to an electric motor-operated on-load tap changer ( | 05-05-2016 |
| 20160133399 | SELECTOR SWITCH FOR TAP-CHANGING TRANSFORMERS AND SUPPORT ARM FOR A TAP SELECTOR THEREOF - The invention relates to a selector switch ( | 05-12-2016 |
| 20160141120 | ON-LOAD TAP CHANGER, METHOD FOR INSTALLING A LOAD TRANSFER SWITCH INSERT IN THE ON-LOAD TAP CHANGER, AND KEROSENE DRAIN SCREW - The invention relates to an on-load tap changer ( | 05-19-2016 |
| 20160148742 | BURST PROTECTOR FOR HIGH-VOLTAGE DEVICE - The invention relates to a bursting device ( | 05-26-2016 |
| 20160155580 | ON-LOAD TAP CHANGER | 06-02-2016 |
| 20160181025 | ON-LOAD TAP CHANGER | 06-23-2016 |
| 20100032267 | SWITCHING ELEMENT FOR ACTUATING AN ADJUSTABLE PARAMETER - A switch element ( | 02-11-2010 |
| 20120006659 | Rotary Switch - A rotary switch is provided having high flexibility in design depending on required operations. A rotor ( | 01-12-2012 |
| 20140144761 | Electrical rotary switch with closing elements at stationary contact locations inhibiting spark discharge and/or with a locking spring member - A rotary electrical switch comprises a housing having a first rotary contact space for accommodating a rotary contact and a plurality of stationary contact spaces for selectively accommodating at least one stationary contact. The housing comprises one or more closing elements for closing one or more of the stationary contact spaces not in use for accommodating a stationary contact. Another aspect comprises a locking spring member having a first portion being a resilient spring member configured for releasably engaging a locking member, while a second portion is configured for mechanically coupling to a spindle portion for imparting a rotational force on at least one rotary contact of the switch. | 05-29-2014 |
| 20160079014 | ROTATIONAL OPERATION TYPE SWITCH - A rotational operation type switch includes a frame; a rotational operation button rotatably supported on the frame for rotational operation; a switching contact mechanism disposed below the operation button to face the operation button; and an operation mechanism disposed between the operation button and the switching contact mechanism, to switch the switching contact mechanism in conjunction with the rotational operation of the operation button. The switching contact mechanism includes a printed circuit board, a plurality of fixed contact electrodes disposed on the printed circuit board and spaced a predetermined distance away from each other, and a movable contact having a disc spring shape and disposed bridging between the plurality of fixed contact electrodes. The movable contact deforms to contact and separate from the fixed contact electrodes and switches an electrical connection between the fixed contact electrodes. | 03-17-2016 |
| 20090045038 | Digital multimeter having improved rotary switch assembly - A multimeter includes a case having a rotary selector knob for selecting a multimeter function. A circuit board defining multiple switching terminals thereon is located in the case. A rotary switch assembly is operatively coupled to the selector knob. The rotary switch assembly has a plurality of contact pairs which selectively complete a galvanic connection across predetermined pairs of switching terminals. The rotary switch assembly further includes first and second switch members located in opposition on respective sides of the circuit board. Each of the switch members has at least one of the contact pairs. | 02-19-2009 |
| 20120103765 | DIGITAL MULTIMETER HAVING IMPROVED ROTARY SWITCH ASSEMBLY - A multimeter includes a case having a rotary selector knob for selecting a multimeter function. A circuit board defining multiple switching terminals thereon is located in the case. A rotary switch assembly is operatively coupled to the selector knob. The rotary switch assembly has a plurality of contact pairs which selectively complete a galvanic connection across predetermined pairs of switching terminals. The rotary switch assembly further includes first and second switch members located in opposition on respective sides of the circuit board. Each of the switch members has at least one of the contact pair. | 05-03-2012 |
| 20120261238 | MULTIPOSITION SWITCH - A multiposition switch that comprises a base member accommodating a plurality contact members, respectively. The plurality of contact members are adapted to electrically mate to a host printed circuit board. A routing subassembly is rotatably coupled to the base member. The routing subassembly includes a routing member that defines a plurality of electrical paths between the contact members for switching between combined and uncombined positions. An actuator is coupled to the rotating member for rotating the routing member with respect to the base member between the combined and uncombined positions. | 10-18-2012 |
| 200011000 | Printed circuit | 3 |
| 20090026051 | Input device for rapid triggering of rolling signals - The present invention includes a wheel mounted onto an electronic device through a holding rack and turnable freely under an external force. The wheel has a click portion to generate signals that consists of concave and convex portions formed radially and equally spaced from one another. A signal generation means is provided including at least two legs and a conductive element located between the two legs having an elastic return force. The conductive element is moved to connect the two legs due to rotation of the click portion to generate instruction signals. A friction force is generated when the conductive element is connected to the click portion. A rotation resistant force is generated when the conductive element and the rotating click portion are connected. A composite force is formed by the force to generate rotation and the rotation resistant force. The composite force forms an inverse relationship with the weight of the wheel. | 01-29-2009 |
| 20090260959 | ELECTRO-MECHANICAL PULSE GENERATOR - An electromechanical pulse generator and a method of generating electrical pulses are disclosed. The electromechanical pulse generator comprises very few parts and includes an effective mechanism to prevent contact rebound. An upper, user-actuable and rotatable part has a surface with a plurality of projections. A lower part has an electrical conductor with a displaceable resilient contact portion biased against the projections and two electrical contacts positioned, in the plane of rotation, on either side of the displaceable contact portion. | 10-22-2009 |
| 20090266687 | IGNITION SWITCH - A three-position, single-pole, double-throw, rotary ignition switch is disclosed that is water-tight and provides qualitative and quantifiable durability in the presence of high-current loads, even after long use. It withstands a continuous 20 A load, plus an additional occasional 20 A load, when in the “run” position. It withstands an additional 75 A inductive load when in the “start” position. Then even after 12,000 operational cycles, leakage current (with 28 VDC supply voltage) when the switch is in the “off” position remains under 0.3 mA, and still allows leakage current not exceeding 10 mA at any time while each disconnected pair of terminals and between terminals and ground are exposed to 1,000±5 V | 10-29-2009 |
| 20090277762 | MICROMACHINE SWITCH, FILTER CIRCUIT, DUPLEXER CIRCUIT, AND COMMUNICATION DEVICE - A micromachine switch of the present invention is a micromachine switch for switching an electrical connection between signal electrodes in accordance with control signals from outside which include: a first control signal for electrically connecting the signal electrodes between which a signal is to be passed; and a second control signal for disconnecting the electrical connection between the signal electrodes. The micromachine switch comprises: a substrate; a rotating body provided on the substrate, which is rotatable on the substrate; a movable electrode provided on the rotating body; a first signal electrode, one end of which is electrically connected to one end of the movable electrode, and another end of which is provided on the substrate; a second signal electrode which is provided near the rotating body so as to be positioned such that a rotation of the rotating body causes the second signal electrode to be electrically connected to another end of the movable electrode; and a drive section for causing, in accordance with the first control signal, the rotating body to rotate until the rotating body is in such a position as to allow said another end of the movable electrode and the second signal electrode to be electrically connected, and for causing, in accordance with the second control signal, the rotating body to rotate until the rotating body is in such a position as to disconnect an electrical connection between said another end of the movable electrode and the second signal electrode. | 11-12-2009 |
| 20090294262 | LOW PROFILE ROTARY SWITCH WITH AN ENCLOSED DETENT SUB-ASSEMBLY - The panel mounted low profile rotary switch includes a knob, a detent sub-assembly, a shaft, a bushing, and a panel. The knob is held to the shaft by one or more locking screws and the operation of the detent sub-assembly is enclosed and is not altered by removal of the knob. The entire detent sub-assembly is located on the knob side or user's side of the panel. Only the bushing and the shaft extend through the panel. The shaft is connected to a rotary component such as a rotary switch contact which engages circuitry on a printed circuit board. The switch or electrical connection is located on the undersurface of the panel. | 12-03-2009 |
| 20100038219 | ELECTRONIC SIGNALLING SYSTEM - The present invention relates to an electronic signaling system utilizing a multi-contact switch that is activated by a mechanical activity which is converted to electrical signaling. The electrical signal activates an electric motor which, in turn, closes, in a predetermined sequence, a series of electronic circuits, which generate a series of electrical signals. The multi-contact switch according to the present invention, may replace a human user who would otherwise generate these electric signal by pressing a series of buttons in a predetermined sequence. | 02-18-2010 |
| 20100044193 | RATCHET WHEEL MECHANISM AND TURNING SWITCH WITH RATCHET WHEEL MECHANISM - In the present invention are disclosed a step type ratchet wheel mechanism and a turning switch with step type ratchet wheel mechanism, wherein comprising: camshaft circular disc, on its end surface is disposed at least one groove, on its rim is disposed at least one positioning slot; driving cam, on its end surface is disposed at least one groove, on its rim is disposed at least one angular shape tooth; first pawl and second pawl; one resilient element is contained in the chamber, which is formed from two corresponding grooves respectively disposed on the end surfaces of camshaft circular disc and driving cam. When said camshaft circular disc is at a control-position, first pawl falls into one positioning slot of camshaft circular disc; when said driving cam is being turned toward next control-position, said two grooves will be staggered, said resilient element is compressed; when said driving cam is turned to the next control-position, one angular shape tooth will push first pawl out from said positioning slot, the released resilient element will cause said camshaft circular disc turning to the next control-position, and then second pawl will fall into another positioning slot of camshaft circular disc. In use of the present invention, the acted force is even, the operation is steady, the hand handle is comfortable, and furthermore, the phenomenon of hung-up point between two adjacent control-positions also may be avoided. | 02-25-2010 |
| 20100065407 | CONTROL ASSEMBLY FOR INTERLOCKED SOCKETS - A control assembly for interlocked sockets includes a rotary breaker which is actuated by a knob and is mounted on a supporting structure. The control assembly includes a visual indication means which has the purpose of highlighting the open/closed state of the rotary breaker as a consequence of rotations of the knob. | 03-18-2010 |
| 20100140064 | ROTARY CONTROL SWITCH MOUNTED ON CONTROL PANEL OF ELECTRICAL APPLIANCE - A rotary control switch includes a body member, a shaft member and a conducting member. The body member includes a main body having a receptacle and a perforation. Multiple recesses are disposed within the receptacle. The perforation is communicated with the receptacle. The shaft member includes a base and a rotating shaft. The base has a sustaining structure. A protrusion is extended from the rotating shaft. The conducting member is connected with the base of the shaft member. The protrusion is sustained against or engaged with the main body and the base is accommodated within the receptacle of the body member. The base of the shaft member is rotated with respect to the control panel and the body member upon rotation of the rotating shaft. When the sustaining structure is sustained against a specified one of the recesses, the conducting member is electrically connected with a corresponding contact pad of the control panel. | 06-10-2010 |
| 20100258412 | Rotary Switch and Relative Assembly Method - A rotary switch comprising a body housing inside itself a rotating shaft operatively connected to a valve or actuator. The switch further comprises a cover, associated to the body by threaded coupling means, provided with an indicator swivelling integrally with the shaft, so that it enables visual signalling of the angular position and/or operating status of the shaft. The switch comprises centering means, mechanically distinct from the threaded coupling means, which ensure the centering of the cover in relation to the body and the coaxial relation between the cover and the rotating shaft. | 10-14-2010 |
| 20100258413 | MULTI-POSITION ROTARY SWITCH - A multi-position rotary switch comprises a plurality of identical switch chamber modules that are arranged one next to the other. Each switch chamber module holds a separate line switch allocated to a respective circuit. A standalone actuator housing holds a catch assembly for a switch shaft, which is coupled with a cam slide by means of a gear drive. The cam slide is located between a block like arrangement of switch chamber modules and the housing for the activation mechanism, which is designed for a standard configuration with three switch chamber modules connected to each other. The electrical terminals of the multi-position rotary switch are located on a narrow sides of the individual switch chamber modules. | 10-14-2010 |
| 20100294632 | Safety Rotary Operator Assembly - A rotary operator assembly ( | 11-25-2010 |
| 20110024272 | MOVABLE CONTACT ASSEMBLY FOR ELECTRICAL SWITCH - A movable contact assembly for an electrical switch is provided. In at least one embodiment, the movable contact assembly includes a movable contact and a pair of supports, with each support including a bottom face and a support body perpendicular thereto. In at least one embodiment, each support body includes: a cavity for holding the movable contact disposed symmetrically at each end of a diameter of the bottom face, an inner and outer hook pair extending along the axis of the support body and being disposed symmetrically to the two sides of the diameter; and a projecting tongue and recess pair extending along the axis of the support body and being disposed symmetrically to the two sides of the diameter. The movable contact-holding cavity can hold the movable contact, the two supports can engage with each other in the direction of the axis, and the pair of the supports and the movable contact are assembled together to form the movable contact assembly. The bottom face of each support can also have a connector, which is positioned symmetrical with respect to the diameter and complementary in shape, such that several movable contact assemblies can be connected with one another as needed. The movable contact assembly of an embodiment of the present invention is simple in structure, secure in connection, highly efficient for assembling, and flexible in use. | 02-03-2011 |
| 20110162943 | ELECTRO-MECHANICAL MICROWAVE SWITCH - A switch for selectively routing electrical signals, particularly microwave signals, in a printed circuit board includes a rotatable contact that is connected to a shaft. A first motor is configured to rotate the shaft and a second motor is configured to axially move the shaft to lift the contact from the printed circuit board. A position controller produces driving signals that are received by the first and second motors to lift the contact from the printed circuit board, rotate the contact to a desired position and lower the contact to the circuit board. | 07-07-2011 |
| 20110308923 | ASSEMBLY FOR INCREASING TORQUE TACTILITY OF A ROTARY CONTROL FOR A HANDHELD RADIO - A rotary control assembly ( | 12-22-2011 |
| 20120186955 | Electric Switch - An electric switch is disclosed. In at least one embodiment, the switch includes a rotor housing; at least one electric contact arm, rotatably mounted in the rotor housing and being pivotable between an on-position and an off-position as well as relative to the rotor housing; and at least one intermediate part which, in a locking position, locks the pivotable contact arm with the rotor housing and, in the event of a relative rotation between the pivotable contact arm and the rotor housing, is moved away from the predefined locking position. | 07-26-2012 |
| 20120199452 | MULTIPOLE ELECTRICAL SWITCHING DEVICE - A switching device include at least two switching poles. Each of the switching poles has one current path and one switching contact system for opening and closing the current path, wherein a movable contact arrangement of the switching contact system of the switching poles has an integral switching shaft segment, formed from insulating material, which bears a contact lever arrangement and in which the switching shaft segments of adjacent switching poles are connected by way of at least two connecting branches; so as to form the switching shaft. The connecting branches extending at a distance parallel to the axis of rotation and are formed from corresponding connecting elements. In at least one embodiment, all of the connection elements of the at least two connecting branches are formed by first sections of the integral switching shaft segments, which bear the contact lever arrangements. | 08-09-2012 |
| 20130175147 | OPERATING DEVICE - An operating device includes a dial that has a first engagement portion, a rotational body that is formed in an annular shape, and has a second engagement portion so as to be engaged with the first engagement portion of the dial. Rotation of the dial is transmitted to the rotational body through an engagement of the first and second engagement portions. The operating device also includes gear teeth that are provided on an inner circumferential portion of the rotational body, a gear that is meshed with the gear teeth and is rotated in an inner space of the rotational body, and a rotation response member that is directly coupled to a rotation shaft of the gear and varies in accordance with a rotation angle of the dial. | 07-11-2013 |
| 20130327618 | ELECTRIC CURRENT SWITCHING APPARATUS - The present disclosure relates to a rotary switch module having a first stationary contact, a second stationary contact, and a movable contact for making an electrical connection between the first stationary contact and the second stationary contact. A rotary actuator is provided for rotating the movable contact, the rotary actuator having on its surface a first indication indicating an open position of the switch, and a second indication indicating a closed position of the switch. A first window indicates the first indication, and a second window separate from the first window indicates the second indication. | 12-12-2013 |
| 20140061012 | ROTARY SWITCH - A rotary switch includes a base forming a number of contacts, a support apparatus installed in the base, and a rotary apparatus rotatably installed in the support apparatus. The support apparatus forms zigzag first and second guiding portions. The rotary apparatus includes a rotary pole, a trigger mounted to the rotary pole, two abutting poles, and two resilient members respectively connected between two opposite ends of the rotary pole and the abutting poles. An end portion of each abutting pole slides along the first guiding portion, to allow the abutting poles to stretch and withdraw along a lengthwise direction of the rotary pole, and allow the abutting poles to undulate along the second guiding portion in a direction perpendicular to the lengthwise direction of the rotary pole, to allow the rotary pole to contact and trigger one of the contacts or pass over the contact. | 03-06-2014 |
| 20140131179 | Multi-Level Rotary Switch - The present invention relates to a rotary switch with multi-level, the rotary base drives the first conductive sheet to rotate with the second conductive sheet when the rotary shaft is rotated, and the second conductive sheet leaves one of the conductive contact elements; the position end of the second conductive sheet is pressed by one positioning surface during the rotation, and the second spring stores energy; the second spring then releases the energy to the fourth end of the second conductive sheet, and the position end of the second conductive sheet slides on one positioning surface until the position end of the second conductive sheets is positioned solidly between two positioning surfaces; so that, the material cost in production can be lower down, and life time of the rotary switch can be increased. | 05-15-2014 |
| 20140131180 | Appliance Control Knob Support - An appliance control knob assembly includes an encoder with a rotatable shaft. A control knob is connected to the shaft and is mounted on a protuberance that extends into the control knob and provides a bearing mounting surface. The control knob has a hub portion rotationally supported by a bearing mounted within the protuberance, and which engages the rotatable encoder shaft. The encoder is mounted such that prior to attachment of the hub portion with the encoder shaft, the encoder is allowed a degree of movement to come into alignment with the hub portion. | 05-15-2014 |
| 20150027866 | SWITCH - A switch has a base having a recess, and a plurality of fixed contacts mounted in an inner side face of the recess, an electrically conductive actuator disposed within the recess of the base, the electrically conductive actuator having a pair of movable contact portions and an elastically deformable elastic portion, the movable contact portions having movable contacts capable of being connected to respective fixed contacts, at least one engagement convex portion disposed on one of the base and the electrically conductive actuator, and at least one engagement concave portion disposed on the other of the base and the electrically conductive actuator and engageable with the at least one engagement convex portion. The elastic portion of the electrically conductive actuator is elastically deformed to break an engagement between the engagement convex and concave portions when the actuator moves between a first position and a second position. | 01-29-2015 |
| 20160086749 | Apparatus For And Method Of Reducing Rotary Knob Noise - The aspects of the present disclosure provide an apparatus for and method of reducing rotary knob produced by a plurality of detents, in particular, a rotary retainer within a rotary knob assembly. The rotary retainer has a generally cylindrical body and an angular flange protruding outwardly from and around the generally cylindrical body and a plurality of detents disposed on the angular flange. The angular flange is made of a first material capable of sustaining a torque exceeding a first predetermined threshold and wherein the plurality of detents are made from a second material different from the first material, the second material being capable of sustaining a torque exceeding a second predetermined threshold, and the first material and the second material are configured to dampen noise generated by the plurality of detents when the rotary knob is operated. | 03-24-2016 |
| 20160181032 | SEALABLE SETTINGS DIAL | 06-23-2016 |
| 20080202902 | Knob assembly - A knob assembly applicable for an electronic device for executing a plurality of default commands is provided, which at least includes a manipulator and a plurality of push switches disposed adjacent to the manipulator, wherein the manipulator performs back and forth swing and linear movement, and touches a corresponding push switch in the travel of the back and forth swing and the linear movement, so as to output a trigger signal for executing a corresponding default command. | 08-28-2008 |
| 20100155201 | Momentary contact rotary switch device - A rotary switch for activating selected functions in a hand held device. One embodiment of the invention provides a rotary switch having a rotatable switch selector. Whenever the switch selector is rotated, it reduces the diameter of a torsion spring causing the torsion spring to contact a switch contact and signal a microprocessor to selectably power a particular circuit or a step in a routine. | 06-24-2010 |
| 20120000753 | QUAD BREAK MODULAR CIRCUIT BREAKER INTERRUPTER - An interrupter includes at least four pairs of contacts. Each pair of contacts includes a stationary contact positioned to abut a corresponding moveable contact. The moveable contacts are coupled to a rotating member. The rotating member is coupled to a driving member via a biasing member. The driving member is rotated causing all four pairs of contacts to separate and open a circuit quickly. | 01-05-2012 |
| 20120103766 | ON-LOAD TAP CHANGER WITH ENERGY STORAGE MECHANISM - The invention relates to an on-load tap changer having an energy storage device, by means of which an output shaft is rotatable in spurts. According to the invention, in addition to the actual energy storage spring or the actual energy storage springs, at least one further spring is provided, which absorbs/releases energy after the activation of the energy storage mechanism, whereby the torque curve can be optimised. | 05-03-2012 |
| 20120118713 | Switch With Pivoting Actuator - A rotary switch having a body, a rotary knob attached to the body, and at least two terminals attached to the body. An actuator is pivotably mounted within the body and operably connected to the rotary knob, the actuator pivoting upon a rotation of the rotary knob. A conductor is pivotably mounted in the body and is in communication with the actuator. The conductor is adapted to connect or disconnect the at least two terminals when the actuator is pivotably moved. | 05-17-2012 |
| 20140166449 | Forward/Backward Rotation Switching Mechanism - The present invention relates to a forward/backward rotation switching mechanism, comprising: a cover, a turntable, a terminal-fixing body, a first contact terminal, and a second contact terminal. In the present invention, a plurality of dust-off trenches are especially formed on the peripheral edges of the turntable for preventing from the dust accumulation between the turntable and a cover; therefore, even if the forward/backward rotation switching mechanism is used in an environment having a lot of dust, the turntable can still be turned around because the dust is ruled out by the dust-off trenches. | 06-19-2014 |
| 20150129398 | ROTARY BATTERY SWITCH - A battery switch including a selector supported by a housing and rotatably mounted to the housing. The selector having four positions, including, a first position in which a first and second bank terminals are disconnected from a first and second load terminals, a second position in which the first bank terminal is connected to the first load terminal and the second bank terminal is disconnected from the second load terminal, a third position in which the first bank terminal is connected to the first load terminal, the second bank terminal is connected to the second load terminal, and the first bank terminal is disconnected from the second bank terminal, and a fourth position in which the first bank terminal is connected to the first load terminal and the second bank terminal and the second bank terminal is connected to the second load terminal. | 05-14-2015 |
| 20090000927 | On-Load Tap Changer with an Energy Storage Mechanism - The invention relates to an on-load tap changer having an energy storage mechanism for changing over, without any interruptions, between different winding taps of a tap-changing transformer on load. According to the invention, the energy storage mechanism has one or more compression springs, which are tensioned at the beginning of a changeover operation. In comparison with the tensile springs used to date with such energy storage mechanisms, the compression springs have markedly greater long-term strength. | 01-01-2009 |
| 20090071806 | Off-circuit tap changer device - An off-circuit tap changer device which includes a spring-biased moving contact that is operable to independent flex and roll. The moving contact includes one or more rings which are independently spring biased to a moving contact support. The device also includes a single rod with locking elongated ribs to mate with a sleeve of the moving contact support. The circulating circuit includes X stationary contacts. The resiliency via the spring-biasing and the rolling of the ring minimizes, if not prevents, surface wearing of the moving contacts. | 03-19-2009 |
| 20090288934 | Energy Store - The invention relates to an energy store for a load tap changer with a longitudinally movable lifting carriage and an also longitudinally movable snap-action carriage which follows the movement of the lifting carriage after being triggered and whose longitudinal movement is converted into a rotary movement of an output shaft that actuates the load tap changer. In order to do so, two rolls which are guided in an especially geometrically designed guide rail are disposed on the snap-action carriage. Only one of the two rolls is positively guided in the guide rail during the first part of each movement of the snap-action carriage while the other roll can be moved freely. The second roll that could previously be moved freely is then positively guided during the second part of the movement while the roll which was previously guided can be moved freely. The roll which was initially guided is positively guided once again during the third part of the movement. | 11-26-2009 |
| 20100038220 | Dual Voltage Switch - A transformer switch, such as a dual voltage switch or a tap changer. The switch includes a cover, a housing, and a rotor sandwiched between the cover and the housing. The cover and housing are molded from a non-conductive plastic. An interior space of the cover includes at least one pocket within which stationary contacts are disposed. Each stationary contact is electrically coupled to one or more windings of a transformer. The rotor extends within a channel of the housing, from a top of the transformer switch to an interior surface of the cover. The interior surface includes a protrusion about which the rotor and at least one movable contact coupled thereto can rotate. The movable contact is configured to be selectively electrically coupled to at least one of the stationary contacts. For example, different stationary contact-movable contact pairs can correspond to different voltages of the transformer. | 02-18-2010 |
| 20100038221 | Tap Changer Switch - A transformer switch, such as a dual voltage switch or a tap changer. The switch includes a cover, a housing, and a rotor sandwiched between the cover and the housing. The cover and housing are molded from a non-conductive plastic. An interior space of the cover includes at least one pocket within which stationary contacts are disposed. Each stationary contact is electrically coupled to one or more windings of a transformer. The rotor extends within a channel of the housings from a top of the transformer switch to an interior surface of the cover. The interior surface includes a protrusion about which the rotor and at least one movable contact coupled thereto can rotate. The movable contact is configured to be selectively electrically coupled to at least one of the stationary contacts. For example, different stationary contact-movable contact pairs can correspond to different voltages of the transformer. | 02-18-2010 |
| 20100038222 | Multi-Deck Transformer Switch - A transformer switch, such as a multi-deck tap changer, includes an assembly with a first housing coupled to a first cover. The first cover holds at least a first stationary electric contact. A second housing is formed integrally with the first cover, and is coupled to a second cover, the second cover holding at least a second stationary electric contact. The first housing and first cover together define a first interior volume within which the first stationary electric contact is disposed. The second cover and the second housing together define a second interior volume within which the second stationary electric contact is disposed. Each housing-cover coupled pair includes an interior rotor rotatable relative to the stationary electric contact in the cover of the pair. At least one movable contact is coupled to each rotor. The covers and housings can be molded from a non-conductive plastic. | 02-18-2010 |
| 20100263996 | Measuring Contact Sequence In A Tap Changer - A tap changer and a method for measuring a contact sequence of a tap changer is provided. The tap changer includes a cylinder and a shaft that is rotatably arranged inside the cylinder, the cylinder is provided with fixed contacts, the shaft is provided with a contact circuit facing the cylinder and including mechanical contacts, which mechanical contacts are adapted to selectively mate with the fixed contacts of the cylinder upon rotation of the shaft, the contact circuit also includes at least two measuring points for measuring the function of the contact circuit. The tap changer includes at least one measuring contact device, which is electrically connected to the respective measuring points in the contact circuit, and which the measuring contact device is arranged inside the shaft. This facilitates access to the measuring points of the tap changer. | 10-21-2010 |
| 20110000769 | REVERSING AND A METHOD OF MODIFYING A TAP CHANGER TO USE THE SAME - A reversing switch for a tap changer of a transformer is provided. The reversing switch includes first and second contact structures for connection to a winding of the transformer and a mounting structure for connection to a neutral terminal of the transformer. A bus bar connects a third contact structure to the mounting structure. A movable contact arm is secured to a rotatable post. The contact arm includes a contact assembly mounted to an arm. The contact assembly has one or more outward contacts and one or more inward contacts. The one or more inward contacts engage the third contact structure and the one or more outward contacts selectively engage the first contact structure or the second contact structure. The first and second contact structures and the mounting structure are located at about the same radial distance from the post, while the third contact structure is located closer to the post. | 01-06-2011 |
| 20130192963 | MECHANICAL SWITCH CONTACT - The invention relates to a mechanical switch contact ( | 08-01-2013 |
| 20130206555 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption. The general inventive concept lies in eliminating the previously static design of the on-load tap changer, comprising a load transfer switch and a selector adjoining directly under the load transfer switch, and to bring about a spatial separation of the load transfer switch and selector assemblies. | 08-15-2013 |
| 20130213776 | TAP CHANGER HAVING A FREEWHEEL - The invention relates to a stepping switch ( | 08-22-2013 |
| 20130213777 | TAP CHANGER - The invention relates to a tap changer for switching among winding taps of a step transformer without interruption, said step transformer having an oil-filled transformer tank, wherein the tap changer does not have a separate housing or a housing that completely encloses the tap changer and is arranged on the outside of or inside the transformer tank connected to the oil filling of the step transformer. | 08-22-2013 |
| 20130306449 | CHANGE-OVER STRUCTURE BETWEEN MOVING CONTACT AND STATIC CONTACT OF TAP SELECTOR - Disclosed is a change-over structure between a moving contact and a static contact of a tap selector, including an insulation changer base plate, and further including at least two static contacts, fixed on the insulation changer base plate in at least one column at intervals, where inner ends of at least two static contacts are electrically connected to two tap windings of a transformer respectively; at least one rotation shaft, where at least two moving contacts are evenly distributed on the one rotation shaft, and the at least two moving contacts are electrically connected to each other; and at least one arc-shaped conductor corresponding to the at least two static contacts in at least one column, where the arc-shaped conductor and outer ends of the at least two static contacts in at least one column are located at the same circumference with a center of the rotation shaft as a circle center, and when one of the moving contacts is changed over between the two static contacts, the other moving contact is certainly electrically connected to the arc-shaped conductor. Through the present invention, connection conductors in the changer are omitted, so that each component is fixed and reliable and is convenient to mount, and hidden fault troubles are reduced. | 11-21-2013 |
| 20130327619 | OFF-CIRCUIT TAP CHANGER - In one aspect of the invention, an off-circuit tap changer includes a switch base and a rotation shaft penetrating the switch base. An upper end of the rotation shaft is connected to an operation positioning device, a lower end of the rotation shaft is disposed with moving contacts, and fixed contacts corresponding to the moving contacts are circumferentially disposed at a spacing on the switch base; the moving contacts are radial elastic rolling moving contacts, and the radial elastic rolling moving contacts span between two adjacent fixed contacts and closely contact the fixed contacts. | 12-12-2013 |
| 20130327620 | DISK TYPE OFF-CIRCUIT TAP CHANGER - In one aspect of the present invention, a disk type off-circuit tap changer includes a switch base and a rotation shaft, where an upper end of the rotation shaft is connected to an operation positioning mechanism, a lower end of the rotation shaft is connected to moving contacts, the moving contacts fit with fixed contacts circumferentially arranged at a lower side of the switch base, and the fixed contacts are directly embedded into the switch base to form a whole body with the switch base. | 12-12-2013 |
| 20130341166 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching between winding taps of a step transformer without interruption, comprising a separate selector for preselecting the winding tap to be switched to without control current, and a separate load transfer switch for actually transferring the load from the previous to the preselected new winding tap. The invention further relates to an energy store having at least one energy store spring that is first tensioned for each load transfer by a rotating drive shaft and that abruptly actuates the load transfer switch after being triggered. According to the invention, a gear is provided by means of which the energy store can be tensioned after mechanical freewheel is provided between the gear and the energy store, such that the energy store can be tensioned after a time delay, and a further mechanical freewheel ( | 12-26-2013 |
| 20140014479 | TAP CHANGER WITH IMPROVED SWITCH CONSTRUCTION - An on-load tap changer is provided having a pair of bypass switches, each of which includes a plurality of contacts at least partially disposed in a contact carrier. The contacts are arranged in a stack and cooperate to form a groove and a mounting bore. A mounting post extends through the mounting bore such that the contacts are pivotable about the mounting post between an open and a closed position. When an actuation assembly moves the contacts to the open or closed position, the contacts move longitudinally relative to the contact carrier. | 01-16-2014 |
| 20140034463 | TAP CHANGER AND VACUUM INTERRUPTER FOR A TAP CHANGER OF THIS KIND - The invention relates to a tap changer for switching over between winding taps of a tap transformer without interruption, wherein two load branches are provided for each phase which is to be switched and each load branch has a vacuum switching contact, which acts as a main contact and, parallel to said vacuum switching contact, at least one series circuit comprising a transition resistor and in each case a further vacuum switching contact. In this case, in each case one vacuum switching contact of each load branch is structurally combined to form a single vacuum interrupter having two separate, fixed contacts ( | 02-06-2014 |
| 20140048394 | STRIP TYPE OFF-CIRCUIT TAP CHANGER - On aspect of the present invention, a strip type off-circuit tap changer includes an insulating rod and a support, where an operation positioning device is arranged on the support, a rack mobile frame is disposed on the insulating rod, the rack of the rack mobile frame is engaged to a drive gear of the operation positioning device, columnar fixed contacts are longitudinally arranged at a spacing on the insulating rod, the rack mobile frame is connected to a moving contact frame, and a moving contact assembly is arranged on the moving contact frame and fits with the fixed contacts on the insulating rod, the moving contact assembly is formed by an annular moving contact and an elastic pin, and the annular moving contact spans between two adjacent columnar fixed contacts. | 02-20-2014 |
| 20140190803 | LOAD TRANSFER SWITCH FOR A TAP CHANGER - The invention relates to a load transfer switch for a tap changer for switching among various winding taps of a step transformer without interruption. The general inventive concept lies in fastening both the force accumulator and the load transfer switch not on the bearing plate but rather on the force accumulator support by providing additional receptacles on the force accumulator support, which receptacles are supported over a large area on the oil tank, in particular on the upper permanent main contact supports fastened to the oil tank, of each phase of the load transfer switch in such a way that the force accumulator support is fixed both in the horizontal direction and the vertical direction and thus mechanically unburdens the bearing plate. | 07-10-2014 |
| 20140209440 | ENERGY-STORING UNIT WITH FORCING MECHANISM, AND ON-LOAD TAP CHANGING DEVICE - An energy-storing unit with a forcing mechanism and an on-load tap changing device provided with the same which employ an inexpensive and simple structure and which can suppress a loading torque to operate stably. A forcing mechanism built in an energy-storing unit includes a protrusion, a bearing, and a loading cam. Among those components, the protrusion is attached to the bottom face of an eccentric cam, and the bearing is attached to the tip of the protrusion. The loading cam is an isosceles triangle having a vertex that is substantially 90 degrees, and is attached to the top face of an energy-storing case. The loading cam becoming in contact with the bearing causes a crank to rotate through the energy-storing case, and feeds a catch to a standby position. | 07-31-2014 |
| 20140216902 | TAP CHANGER - In an end-side tap changing mechanism group of a plurality of tap changing mechanism groups that is located at an end of a rotation shaft, input connection points between a plurality of fixed contact connection members and a plurality of input conductors, respectively, are located closer in a shaft direction of the rotation shaft to a center line of entire the plurality of tap changing mechanism groups than a center line of the end-side tap changing mechanism group, and an output connection point between a stator connection member and an output conductor is located closer in the shaft direction of the rotation shaft to the center line of entire the plurality of tap changing mechanism groups than the center line of the end-side tap changing mechanism group. | 08-07-2014 |
| 20140291130 | EXTERNAL ON-LOAD TAP CHANGER - Disclosed is a suspensible external combined on-load tap changer, including: a switch box, a switch body and a motor mechanism, a top box wall of the switch box being opened with a top opening, a top box cover being mounted on the top opening, wherein the switch body is detachably mounted in the switch box and is entirely lifted in and lifted out by the top opening; and the motor mechanism is connected with the switch body in a driving manner. The switch body in the present invention uses a hoisting structure, and the top box wall of the switch box is opened with a top opening with a size large enough, so that the switch body is directly lifted in and lifted out of the switch box from the top opening, and installation and maintenance are easier. | 10-02-2014 |
| 20140318936 | POWER-SWITCH WITH INTERNAL VOLTAGE MEASUREMENT - A power-switch having a switch housing and an electronic module, at least one contact being provided to tap a voltage at a primary conductor, and an adapter being provided to reduce the tapped voltage of said primary conductor. | 10-30-2014 |
| 20150008104 | ON-LOAD TAP CHANGER WITH TWO VACUUM INTERRUPTERS AND DRIVE THEREFOR - An on-load tap changer ( | 01-08-2015 |
| 20150014130 | TAP SWITCH - The invention relates to a tap changer for voltage regulation with semiconductor switching components on a regulating transformer having a regulating winding. The tap changer is of a modular design and each module comprises, respectively, one partial winding of the regulating winding that is connectable or disconnectable by means of semiconductor switching components. Varistors and capacitors are additionally integrated for protecting the semiconductor switching components against high voltages. | 01-15-2015 |
| 20150047954 | TAP CHANGER - An on-load tap changer is provided and includes a plurality of modules disposed in an interior space of a tank and arranged in a side-by-side manner. Each module has a bypass switch assembly and a vacuum interrupter assembly mounted to a first side of a board. The bypass switch assembly is actuated by rotation of a bypass cam and the vacuum interrupter assembly is actuated by rotation of an interrupter cam. A transmission system rotates the bypass cam and the interrupter cam. The transmission system is mounted on a second side of the board. | 02-19-2015 |
| 20150047955 | TAP CHANGER HAVING AN IMPROVED VACUUM INTERRUPTER ACTUATING ASSEMBLY - An on-load tap changer is provided having a vacuum interrupter actuatable by a shaft. A movable shuttle is connected to an impact mass by springs such that the impact mass tends to follow the shuttle when the shuttle moves. A pawl assembly is operable to hold and then release the impact mass when the shuttle starts moving. The holding of the impact mass when the shuttle starts to move causes the springs to store both a compression force and a tension force, which are released when the impact mass is released. | 02-19-2015 |
| 20150060244 | SELECTOR FOR A TAP CHANGER - The invention relates to a selector for a tap changer for switching among winding taps of a step transformer without interruption, wherein the selector consists of a plurality of honeycomb segments arranged horizontally one over the other and vertically next to each other, which honeycomb segments can be fixed to each other by contact holders and pins. According to the invention, by means of such a modular design, a large variety of selector variants is possible using only few components. | 03-05-2015 |
| 20150068877 | ARRANGEMENT OF VACUUM SWITCHING TUBES IN A LOAD TRANSFER SWITCH - Arrangement of vacuum switching tubes ( | 03-12-2015 |
| 20150303006 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption according to the preamble of the first patent claim. The general inventive concept lies in actuating both the selector contact unit and the switching means for uninterrupted load switching by means of a common motor drive without an energy store being connected therebetween. | 10-22-2015 |
| 20150311006 | TRANSFORMER TAPPING ARRANGEMENT AND METHODS OF OPERATION OF SAME - A tapping arrangement for a transformer, the arrangement comprising a plurality of fixed contacts, a movable rotary contact, a transition rotor with pairs of transition contacts, an interrupter coupling assembly and driving motor(s) are compacted into a single vacuum chamber | 10-29-2015 |
| 20160005554 | LINEAR SELECTOR - The invention relates to a linear selector ( | 01-07-2016 |
| 20160012982 | TAP CHANGER | 01-14-2016 |
| 20160126025 | ON-LOAD TAP CHANGER AMD METHOD OF EMERGENCY SETTING DEFINED SWITCHING POSITION THEREOF - The invention relates to an electric motor-operated on-load tap changer ( | 05-05-2016 |
| 20160133399 | SELECTOR SWITCH FOR TAP-CHANGING TRANSFORMERS AND SUPPORT ARM FOR A TAP SELECTOR THEREOF - The invention relates to a selector switch ( | 05-12-2016 |
| 20160141120 | ON-LOAD TAP CHANGER, METHOD FOR INSTALLING A LOAD TRANSFER SWITCH INSERT IN THE ON-LOAD TAP CHANGER, AND KEROSENE DRAIN SCREW - The invention relates to an on-load tap changer ( | 05-19-2016 |
| 20160148742 | BURST PROTECTOR FOR HIGH-VOLTAGE DEVICE - The invention relates to a bursting device ( | 05-26-2016 |
| 20160155580 | ON-LOAD TAP CHANGER | 06-02-2016 |
| 20160181025 | ON-LOAD TAP CHANGER | 06-23-2016 |
| 20100032267 | SWITCHING ELEMENT FOR ACTUATING AN ADJUSTABLE PARAMETER - A switch element ( | 02-11-2010 |
| 20120006659 | Rotary Switch - A rotary switch is provided having high flexibility in design depending on required operations. A rotor ( | 01-12-2012 |
| 20140144761 | Electrical rotary switch with closing elements at stationary contact locations inhibiting spark discharge and/or with a locking spring member - A rotary electrical switch comprises a housing having a first rotary contact space for accommodating a rotary contact and a plurality of stationary contact spaces for selectively accommodating at least one stationary contact. The housing comprises one or more closing elements for closing one or more of the stationary contact spaces not in use for accommodating a stationary contact. Another aspect comprises a locking spring member having a first portion being a resilient spring member configured for releasably engaging a locking member, while a second portion is configured for mechanically coupling to a spindle portion for imparting a rotational force on at least one rotary contact of the switch. | 05-29-2014 |
| 20160079014 | ROTATIONAL OPERATION TYPE SWITCH - A rotational operation type switch includes a frame; a rotational operation button rotatably supported on the frame for rotational operation; a switching contact mechanism disposed below the operation button to face the operation button; and an operation mechanism disposed between the operation button and the switching contact mechanism, to switch the switching contact mechanism in conjunction with the rotational operation of the operation button. The switching contact mechanism includes a printed circuit board, a plurality of fixed contact electrodes disposed on the printed circuit board and spaced a predetermined distance away from each other, and a movable contact having a disc spring shape and disposed bridging between the plurality of fixed contact electrodes. The movable contact deforms to contact and separate from the fixed contact electrodes and switches an electrical connection between the fixed contact electrodes. | 03-17-2016 |
| 20090045038 | Digital multimeter having improved rotary switch assembly - A multimeter includes a case having a rotary selector knob for selecting a multimeter function. A circuit board defining multiple switching terminals thereon is located in the case. A rotary switch assembly is operatively coupled to the selector knob. The rotary switch assembly has a plurality of contact pairs which selectively complete a galvanic connection across predetermined pairs of switching terminals. The rotary switch assembly further includes first and second switch members located in opposition on respective sides of the circuit board. Each of the switch members has at least one of the contact pairs. | 02-19-2009 |
| 20120103765 | DIGITAL MULTIMETER HAVING IMPROVED ROTARY SWITCH ASSEMBLY - A multimeter includes a case having a rotary selector knob for selecting a multimeter function. A circuit board defining multiple switching terminals thereon is located in the case. A rotary switch assembly is operatively coupled to the selector knob. The rotary switch assembly has a plurality of contact pairs which selectively complete a galvanic connection across predetermined pairs of switching terminals. The rotary switch assembly further includes first and second switch members located in opposition on respective sides of the circuit board. Each of the switch members has at least one of the contact pair. | 05-03-2012 |
| 20120261238 | MULTIPOSITION SWITCH - A multiposition switch that comprises a base member accommodating a plurality contact members, respectively. The plurality of contact members are adapted to electrically mate to a host printed circuit board. A routing subassembly is rotatably coupled to the base member. The routing subassembly includes a routing member that defines a plurality of electrical paths between the contact members for switching between combined and uncombined positions. An actuator is coupled to the rotating member for rotating the routing member with respect to the base member between the combined and uncombined positions. | 10-18-2012 |
| 200011000 | Coil spring bias | 7 |
| 20090026051 | Input device for rapid triggering of rolling signals - The present invention includes a wheel mounted onto an electronic device through a holding rack and turnable freely under an external force. The wheel has a click portion to generate signals that consists of concave and convex portions formed radially and equally spaced from one another. A signal generation means is provided including at least two legs and a conductive element located between the two legs having an elastic return force. The conductive element is moved to connect the two legs due to rotation of the click portion to generate instruction signals. A friction force is generated when the conductive element is connected to the click portion. A rotation resistant force is generated when the conductive element and the rotating click portion are connected. A composite force is formed by the force to generate rotation and the rotation resistant force. The composite force forms an inverse relationship with the weight of the wheel. | 01-29-2009 |
| 20090260959 | ELECTRO-MECHANICAL PULSE GENERATOR - An electromechanical pulse generator and a method of generating electrical pulses are disclosed. The electromechanical pulse generator comprises very few parts and includes an effective mechanism to prevent contact rebound. An upper, user-actuable and rotatable part has a surface with a plurality of projections. A lower part has an electrical conductor with a displaceable resilient contact portion biased against the projections and two electrical contacts positioned, in the plane of rotation, on either side of the displaceable contact portion. | 10-22-2009 |
| 20090266687 | IGNITION SWITCH - A three-position, single-pole, double-throw, rotary ignition switch is disclosed that is water-tight and provides qualitative and quantifiable durability in the presence of high-current loads, even after long use. It withstands a continuous 20 A load, plus an additional occasional 20 A load, when in the “run” position. It withstands an additional 75 A inductive load when in the “start” position. Then even after 12,000 operational cycles, leakage current (with 28 VDC supply voltage) when the switch is in the “off” position remains under 0.3 mA, and still allows leakage current not exceeding 10 mA at any time while each disconnected pair of terminals and between terminals and ground are exposed to 1,000±5 V | 10-29-2009 |
| 20090277762 | MICROMACHINE SWITCH, FILTER CIRCUIT, DUPLEXER CIRCUIT, AND COMMUNICATION DEVICE - A micromachine switch of the present invention is a micromachine switch for switching an electrical connection between signal electrodes in accordance with control signals from outside which include: a first control signal for electrically connecting the signal electrodes between which a signal is to be passed; and a second control signal for disconnecting the electrical connection between the signal electrodes. The micromachine switch comprises: a substrate; a rotating body provided on the substrate, which is rotatable on the substrate; a movable electrode provided on the rotating body; a first signal electrode, one end of which is electrically connected to one end of the movable electrode, and another end of which is provided on the substrate; a second signal electrode which is provided near the rotating body so as to be positioned such that a rotation of the rotating body causes the second signal electrode to be electrically connected to another end of the movable electrode; and a drive section for causing, in accordance with the first control signal, the rotating body to rotate until the rotating body is in such a position as to allow said another end of the movable electrode and the second signal electrode to be electrically connected, and for causing, in accordance with the second control signal, the rotating body to rotate until the rotating body is in such a position as to disconnect an electrical connection between said another end of the movable electrode and the second signal electrode. | 11-12-2009 |
| 20090294262 | LOW PROFILE ROTARY SWITCH WITH AN ENCLOSED DETENT SUB-ASSEMBLY - The panel mounted low profile rotary switch includes a knob, a detent sub-assembly, a shaft, a bushing, and a panel. The knob is held to the shaft by one or more locking screws and the operation of the detent sub-assembly is enclosed and is not altered by removal of the knob. The entire detent sub-assembly is located on the knob side or user's side of the panel. Only the bushing and the shaft extend through the panel. The shaft is connected to a rotary component such as a rotary switch contact which engages circuitry on a printed circuit board. The switch or electrical connection is located on the undersurface of the panel. | 12-03-2009 |
| 20100038219 | ELECTRONIC SIGNALLING SYSTEM - The present invention relates to an electronic signaling system utilizing a multi-contact switch that is activated by a mechanical activity which is converted to electrical signaling. The electrical signal activates an electric motor which, in turn, closes, in a predetermined sequence, a series of electronic circuits, which generate a series of electrical signals. The multi-contact switch according to the present invention, may replace a human user who would otherwise generate these electric signal by pressing a series of buttons in a predetermined sequence. | 02-18-2010 |
| 20100044193 | RATCHET WHEEL MECHANISM AND TURNING SWITCH WITH RATCHET WHEEL MECHANISM - In the present invention are disclosed a step type ratchet wheel mechanism and a turning switch with step type ratchet wheel mechanism, wherein comprising: camshaft circular disc, on its end surface is disposed at least one groove, on its rim is disposed at least one positioning slot; driving cam, on its end surface is disposed at least one groove, on its rim is disposed at least one angular shape tooth; first pawl and second pawl; one resilient element is contained in the chamber, which is formed from two corresponding grooves respectively disposed on the end surfaces of camshaft circular disc and driving cam. When said camshaft circular disc is at a control-position, first pawl falls into one positioning slot of camshaft circular disc; when said driving cam is being turned toward next control-position, said two grooves will be staggered, said resilient element is compressed; when said driving cam is turned to the next control-position, one angular shape tooth will push first pawl out from said positioning slot, the released resilient element will cause said camshaft circular disc turning to the next control-position, and then second pawl will fall into another positioning slot of camshaft circular disc. In use of the present invention, the acted force is even, the operation is steady, the hand handle is comfortable, and furthermore, the phenomenon of hung-up point between two adjacent control-positions also may be avoided. | 02-25-2010 |
| 20100065407 | CONTROL ASSEMBLY FOR INTERLOCKED SOCKETS - A control assembly for interlocked sockets includes a rotary breaker which is actuated by a knob and is mounted on a supporting structure. The control assembly includes a visual indication means which has the purpose of highlighting the open/closed state of the rotary breaker as a consequence of rotations of the knob. | 03-18-2010 |
| 20100140064 | ROTARY CONTROL SWITCH MOUNTED ON CONTROL PANEL OF ELECTRICAL APPLIANCE - A rotary control switch includes a body member, a shaft member and a conducting member. The body member includes a main body having a receptacle and a perforation. Multiple recesses are disposed within the receptacle. The perforation is communicated with the receptacle. The shaft member includes a base and a rotating shaft. The base has a sustaining structure. A protrusion is extended from the rotating shaft. The conducting member is connected with the base of the shaft member. The protrusion is sustained against or engaged with the main body and the base is accommodated within the receptacle of the body member. The base of the shaft member is rotated with respect to the control panel and the body member upon rotation of the rotating shaft. When the sustaining structure is sustained against a specified one of the recesses, the conducting member is electrically connected with a corresponding contact pad of the control panel. | 06-10-2010 |
| 20100258412 | Rotary Switch and Relative Assembly Method - A rotary switch comprising a body housing inside itself a rotating shaft operatively connected to a valve or actuator. The switch further comprises a cover, associated to the body by threaded coupling means, provided with an indicator swivelling integrally with the shaft, so that it enables visual signalling of the angular position and/or operating status of the shaft. The switch comprises centering means, mechanically distinct from the threaded coupling means, which ensure the centering of the cover in relation to the body and the coaxial relation between the cover and the rotating shaft. | 10-14-2010 |
| 20100258413 | MULTI-POSITION ROTARY SWITCH - A multi-position rotary switch comprises a plurality of identical switch chamber modules that are arranged one next to the other. Each switch chamber module holds a separate line switch allocated to a respective circuit. A standalone actuator housing holds a catch assembly for a switch shaft, which is coupled with a cam slide by means of a gear drive. The cam slide is located between a block like arrangement of switch chamber modules and the housing for the activation mechanism, which is designed for a standard configuration with three switch chamber modules connected to each other. The electrical terminals of the multi-position rotary switch are located on a narrow sides of the individual switch chamber modules. | 10-14-2010 |
| 20100294632 | Safety Rotary Operator Assembly - A rotary operator assembly ( | 11-25-2010 |
| 20110024272 | MOVABLE CONTACT ASSEMBLY FOR ELECTRICAL SWITCH - A movable contact assembly for an electrical switch is provided. In at least one embodiment, the movable contact assembly includes a movable contact and a pair of supports, with each support including a bottom face and a support body perpendicular thereto. In at least one embodiment, each support body includes: a cavity for holding the movable contact disposed symmetrically at each end of a diameter of the bottom face, an inner and outer hook pair extending along the axis of the support body and being disposed symmetrically to the two sides of the diameter; and a projecting tongue and recess pair extending along the axis of the support body and being disposed symmetrically to the two sides of the diameter. The movable contact-holding cavity can hold the movable contact, the two supports can engage with each other in the direction of the axis, and the pair of the supports and the movable contact are assembled together to form the movable contact assembly. The bottom face of each support can also have a connector, which is positioned symmetrical with respect to the diameter and complementary in shape, such that several movable contact assemblies can be connected with one another as needed. The movable contact assembly of an embodiment of the present invention is simple in structure, secure in connection, highly efficient for assembling, and flexible in use. | 02-03-2011 |
| 20110162943 | ELECTRO-MECHANICAL MICROWAVE SWITCH - A switch for selectively routing electrical signals, particularly microwave signals, in a printed circuit board includes a rotatable contact that is connected to a shaft. A first motor is configured to rotate the shaft and a second motor is configured to axially move the shaft to lift the contact from the printed circuit board. A position controller produces driving signals that are received by the first and second motors to lift the contact from the printed circuit board, rotate the contact to a desired position and lower the contact to the circuit board. | 07-07-2011 |
| 20110308923 | ASSEMBLY FOR INCREASING TORQUE TACTILITY OF A ROTARY CONTROL FOR A HANDHELD RADIO - A rotary control assembly ( | 12-22-2011 |
| 20120186955 | Electric Switch - An electric switch is disclosed. In at least one embodiment, the switch includes a rotor housing; at least one electric contact arm, rotatably mounted in the rotor housing and being pivotable between an on-position and an off-position as well as relative to the rotor housing; and at least one intermediate part which, in a locking position, locks the pivotable contact arm with the rotor housing and, in the event of a relative rotation between the pivotable contact arm and the rotor housing, is moved away from the predefined locking position. | 07-26-2012 |
| 20120199452 | MULTIPOLE ELECTRICAL SWITCHING DEVICE - A switching device include at least two switching poles. Each of the switching poles has one current path and one switching contact system for opening and closing the current path, wherein a movable contact arrangement of the switching contact system of the switching poles has an integral switching shaft segment, formed from insulating material, which bears a contact lever arrangement and in which the switching shaft segments of adjacent switching poles are connected by way of at least two connecting branches; so as to form the switching shaft. The connecting branches extending at a distance parallel to the axis of rotation and are formed from corresponding connecting elements. In at least one embodiment, all of the connection elements of the at least two connecting branches are formed by first sections of the integral switching shaft segments, which bear the contact lever arrangements. | 08-09-2012 |
| 20130175147 | OPERATING DEVICE - An operating device includes a dial that has a first engagement portion, a rotational body that is formed in an annular shape, and has a second engagement portion so as to be engaged with the first engagement portion of the dial. Rotation of the dial is transmitted to the rotational body through an engagement of the first and second engagement portions. The operating device also includes gear teeth that are provided on an inner circumferential portion of the rotational body, a gear that is meshed with the gear teeth and is rotated in an inner space of the rotational body, and a rotation response member that is directly coupled to a rotation shaft of the gear and varies in accordance with a rotation angle of the dial. | 07-11-2013 |
| 20130327618 | ELECTRIC CURRENT SWITCHING APPARATUS - The present disclosure relates to a rotary switch module having a first stationary contact, a second stationary contact, and a movable contact for making an electrical connection between the first stationary contact and the second stationary contact. A rotary actuator is provided for rotating the movable contact, the rotary actuator having on its surface a first indication indicating an open position of the switch, and a second indication indicating a closed position of the switch. A first window indicates the first indication, and a second window separate from the first window indicates the second indication. | 12-12-2013 |
| 20140061012 | ROTARY SWITCH - A rotary switch includes a base forming a number of contacts, a support apparatus installed in the base, and a rotary apparatus rotatably installed in the support apparatus. The support apparatus forms zigzag first and second guiding portions. The rotary apparatus includes a rotary pole, a trigger mounted to the rotary pole, two abutting poles, and two resilient members respectively connected between two opposite ends of the rotary pole and the abutting poles. An end portion of each abutting pole slides along the first guiding portion, to allow the abutting poles to stretch and withdraw along a lengthwise direction of the rotary pole, and allow the abutting poles to undulate along the second guiding portion in a direction perpendicular to the lengthwise direction of the rotary pole, to allow the rotary pole to contact and trigger one of the contacts or pass over the contact. | 03-06-2014 |
| 20140131179 | Multi-Level Rotary Switch - The present invention relates to a rotary switch with multi-level, the rotary base drives the first conductive sheet to rotate with the second conductive sheet when the rotary shaft is rotated, and the second conductive sheet leaves one of the conductive contact elements; the position end of the second conductive sheet is pressed by one positioning surface during the rotation, and the second spring stores energy; the second spring then releases the energy to the fourth end of the second conductive sheet, and the position end of the second conductive sheet slides on one positioning surface until the position end of the second conductive sheets is positioned solidly between two positioning surfaces; so that, the material cost in production can be lower down, and life time of the rotary switch can be increased. | 05-15-2014 |
| 20140131180 | Appliance Control Knob Support - An appliance control knob assembly includes an encoder with a rotatable shaft. A control knob is connected to the shaft and is mounted on a protuberance that extends into the control knob and provides a bearing mounting surface. The control knob has a hub portion rotationally supported by a bearing mounted within the protuberance, and which engages the rotatable encoder shaft. The encoder is mounted such that prior to attachment of the hub portion with the encoder shaft, the encoder is allowed a degree of movement to come into alignment with the hub portion. | 05-15-2014 |
| 20150027866 | SWITCH - A switch has a base having a recess, and a plurality of fixed contacts mounted in an inner side face of the recess, an electrically conductive actuator disposed within the recess of the base, the electrically conductive actuator having a pair of movable contact portions and an elastically deformable elastic portion, the movable contact portions having movable contacts capable of being connected to respective fixed contacts, at least one engagement convex portion disposed on one of the base and the electrically conductive actuator, and at least one engagement concave portion disposed on the other of the base and the electrically conductive actuator and engageable with the at least one engagement convex portion. The elastic portion of the electrically conductive actuator is elastically deformed to break an engagement between the engagement convex and concave portions when the actuator moves between a first position and a second position. | 01-29-2015 |
| 20160086749 | Apparatus For And Method Of Reducing Rotary Knob Noise - The aspects of the present disclosure provide an apparatus for and method of reducing rotary knob produced by a plurality of detents, in particular, a rotary retainer within a rotary knob assembly. The rotary retainer has a generally cylindrical body and an angular flange protruding outwardly from and around the generally cylindrical body and a plurality of detents disposed on the angular flange. The angular flange is made of a first material capable of sustaining a torque exceeding a first predetermined threshold and wherein the plurality of detents are made from a second material different from the first material, the second material being capable of sustaining a torque exceeding a second predetermined threshold, and the first material and the second material are configured to dampen noise generated by the plurality of detents when the rotary knob is operated. | 03-24-2016 |
| 20160181032 | SEALABLE SETTINGS DIAL | 06-23-2016 |
| 20080202902 | Knob assembly - A knob assembly applicable for an electronic device for executing a plurality of default commands is provided, which at least includes a manipulator and a plurality of push switches disposed adjacent to the manipulator, wherein the manipulator performs back and forth swing and linear movement, and touches a corresponding push switch in the travel of the back and forth swing and the linear movement, so as to output a trigger signal for executing a corresponding default command. | 08-28-2008 |
| 20100155201 | Momentary contact rotary switch device - A rotary switch for activating selected functions in a hand held device. One embodiment of the invention provides a rotary switch having a rotatable switch selector. Whenever the switch selector is rotated, it reduces the diameter of a torsion spring causing the torsion spring to contact a switch contact and signal a microprocessor to selectably power a particular circuit or a step in a routine. | 06-24-2010 |
| 20120000753 | QUAD BREAK MODULAR CIRCUIT BREAKER INTERRUPTER - An interrupter includes at least four pairs of contacts. Each pair of contacts includes a stationary contact positioned to abut a corresponding moveable contact. The moveable contacts are coupled to a rotating member. The rotating member is coupled to a driving member via a biasing member. The driving member is rotated causing all four pairs of contacts to separate and open a circuit quickly. | 01-05-2012 |
| 20120103766 | ON-LOAD TAP CHANGER WITH ENERGY STORAGE MECHANISM - The invention relates to an on-load tap changer having an energy storage device, by means of which an output shaft is rotatable in spurts. According to the invention, in addition to the actual energy storage spring or the actual energy storage springs, at least one further spring is provided, which absorbs/releases energy after the activation of the energy storage mechanism, whereby the torque curve can be optimised. | 05-03-2012 |
| 20120118713 | Switch With Pivoting Actuator - A rotary switch having a body, a rotary knob attached to the body, and at least two terminals attached to the body. An actuator is pivotably mounted within the body and operably connected to the rotary knob, the actuator pivoting upon a rotation of the rotary knob. A conductor is pivotably mounted in the body and is in communication with the actuator. The conductor is adapted to connect or disconnect the at least two terminals when the actuator is pivotably moved. | 05-17-2012 |
| 20140166449 | Forward/Backward Rotation Switching Mechanism - The present invention relates to a forward/backward rotation switching mechanism, comprising: a cover, a turntable, a terminal-fixing body, a first contact terminal, and a second contact terminal. In the present invention, a plurality of dust-off trenches are especially formed on the peripheral edges of the turntable for preventing from the dust accumulation between the turntable and a cover; therefore, even if the forward/backward rotation switching mechanism is used in an environment having a lot of dust, the turntable can still be turned around because the dust is ruled out by the dust-off trenches. | 06-19-2014 |
| 20150129398 | ROTARY BATTERY SWITCH - A battery switch including a selector supported by a housing and rotatably mounted to the housing. The selector having four positions, including, a first position in which a first and second bank terminals are disconnected from a first and second load terminals, a second position in which the first bank terminal is connected to the first load terminal and the second bank terminal is disconnected from the second load terminal, a third position in which the first bank terminal is connected to the first load terminal, the second bank terminal is connected to the second load terminal, and the first bank terminal is disconnected from the second bank terminal, and a fourth position in which the first bank terminal is connected to the first load terminal and the second bank terminal and the second bank terminal is connected to the second load terminal. | 05-14-2015 |
| 20090000927 | On-Load Tap Changer with an Energy Storage Mechanism - The invention relates to an on-load tap changer having an energy storage mechanism for changing over, without any interruptions, between different winding taps of a tap-changing transformer on load. According to the invention, the energy storage mechanism has one or more compression springs, which are tensioned at the beginning of a changeover operation. In comparison with the tensile springs used to date with such energy storage mechanisms, the compression springs have markedly greater long-term strength. | 01-01-2009 |
| 20090071806 | Off-circuit tap changer device - An off-circuit tap changer device which includes a spring-biased moving contact that is operable to independent flex and roll. The moving contact includes one or more rings which are independently spring biased to a moving contact support. The device also includes a single rod with locking elongated ribs to mate with a sleeve of the moving contact support. The circulating circuit includes X stationary contacts. The resiliency via the spring-biasing and the rolling of the ring minimizes, if not prevents, surface wearing of the moving contacts. | 03-19-2009 |
| 20090288934 | Energy Store - The invention relates to an energy store for a load tap changer with a longitudinally movable lifting carriage and an also longitudinally movable snap-action carriage which follows the movement of the lifting carriage after being triggered and whose longitudinal movement is converted into a rotary movement of an output shaft that actuates the load tap changer. In order to do so, two rolls which are guided in an especially geometrically designed guide rail are disposed on the snap-action carriage. Only one of the two rolls is positively guided in the guide rail during the first part of each movement of the snap-action carriage while the other roll can be moved freely. The second roll that could previously be moved freely is then positively guided during the second part of the movement while the roll which was previously guided can be moved freely. The roll which was initially guided is positively guided once again during the third part of the movement. | 11-26-2009 |
| 20100038220 | Dual Voltage Switch - A transformer switch, such as a dual voltage switch or a tap changer. The switch includes a cover, a housing, and a rotor sandwiched between the cover and the housing. The cover and housing are molded from a non-conductive plastic. An interior space of the cover includes at least one pocket within which stationary contacts are disposed. Each stationary contact is electrically coupled to one or more windings of a transformer. The rotor extends within a channel of the housing, from a top of the transformer switch to an interior surface of the cover. The interior surface includes a protrusion about which the rotor and at least one movable contact coupled thereto can rotate. The movable contact is configured to be selectively electrically coupled to at least one of the stationary contacts. For example, different stationary contact-movable contact pairs can correspond to different voltages of the transformer. | 02-18-2010 |
| 20100038221 | Tap Changer Switch - A transformer switch, such as a dual voltage switch or a tap changer. The switch includes a cover, a housing, and a rotor sandwiched between the cover and the housing. The cover and housing are molded from a non-conductive plastic. An interior space of the cover includes at least one pocket within which stationary contacts are disposed. Each stationary contact is electrically coupled to one or more windings of a transformer. The rotor extends within a channel of the housings from a top of the transformer switch to an interior surface of the cover. The interior surface includes a protrusion about which the rotor and at least one movable contact coupled thereto can rotate. The movable contact is configured to be selectively electrically coupled to at least one of the stationary contacts. For example, different stationary contact-movable contact pairs can correspond to different voltages of the transformer. | 02-18-2010 |
| 20100038222 | Multi-Deck Transformer Switch - A transformer switch, such as a multi-deck tap changer, includes an assembly with a first housing coupled to a first cover. The first cover holds at least a first stationary electric contact. A second housing is formed integrally with the first cover, and is coupled to a second cover, the second cover holding at least a second stationary electric contact. The first housing and first cover together define a first interior volume within which the first stationary electric contact is disposed. The second cover and the second housing together define a second interior volume within which the second stationary electric contact is disposed. Each housing-cover coupled pair includes an interior rotor rotatable relative to the stationary electric contact in the cover of the pair. At least one movable contact is coupled to each rotor. The covers and housings can be molded from a non-conductive plastic. | 02-18-2010 |
| 20100263996 | Measuring Contact Sequence In A Tap Changer - A tap changer and a method for measuring a contact sequence of a tap changer is provided. The tap changer includes a cylinder and a shaft that is rotatably arranged inside the cylinder, the cylinder is provided with fixed contacts, the shaft is provided with a contact circuit facing the cylinder and including mechanical contacts, which mechanical contacts are adapted to selectively mate with the fixed contacts of the cylinder upon rotation of the shaft, the contact circuit also includes at least two measuring points for measuring the function of the contact circuit. The tap changer includes at least one measuring contact device, which is electrically connected to the respective measuring points in the contact circuit, and which the measuring contact device is arranged inside the shaft. This facilitates access to the measuring points of the tap changer. | 10-21-2010 |
| 20110000769 | REVERSING AND A METHOD OF MODIFYING A TAP CHANGER TO USE THE SAME - A reversing switch for a tap changer of a transformer is provided. The reversing switch includes first and second contact structures for connection to a winding of the transformer and a mounting structure for connection to a neutral terminal of the transformer. A bus bar connects a third contact structure to the mounting structure. A movable contact arm is secured to a rotatable post. The contact arm includes a contact assembly mounted to an arm. The contact assembly has one or more outward contacts and one or more inward contacts. The one or more inward contacts engage the third contact structure and the one or more outward contacts selectively engage the first contact structure or the second contact structure. The first and second contact structures and the mounting structure are located at about the same radial distance from the post, while the third contact structure is located closer to the post. | 01-06-2011 |
| 20130192963 | MECHANICAL SWITCH CONTACT - The invention relates to a mechanical switch contact ( | 08-01-2013 |
| 20130206555 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption. The general inventive concept lies in eliminating the previously static design of the on-load tap changer, comprising a load transfer switch and a selector adjoining directly under the load transfer switch, and to bring about a spatial separation of the load transfer switch and selector assemblies. | 08-15-2013 |
| 20130213776 | TAP CHANGER HAVING A FREEWHEEL - The invention relates to a stepping switch ( | 08-22-2013 |
| 20130213777 | TAP CHANGER - The invention relates to a tap changer for switching among winding taps of a step transformer without interruption, said step transformer having an oil-filled transformer tank, wherein the tap changer does not have a separate housing or a housing that completely encloses the tap changer and is arranged on the outside of or inside the transformer tank connected to the oil filling of the step transformer. | 08-22-2013 |
| 20130306449 | CHANGE-OVER STRUCTURE BETWEEN MOVING CONTACT AND STATIC CONTACT OF TAP SELECTOR - Disclosed is a change-over structure between a moving contact and a static contact of a tap selector, including an insulation changer base plate, and further including at least two static contacts, fixed on the insulation changer base plate in at least one column at intervals, where inner ends of at least two static contacts are electrically connected to two tap windings of a transformer respectively; at least one rotation shaft, where at least two moving contacts are evenly distributed on the one rotation shaft, and the at least two moving contacts are electrically connected to each other; and at least one arc-shaped conductor corresponding to the at least two static contacts in at least one column, where the arc-shaped conductor and outer ends of the at least two static contacts in at least one column are located at the same circumference with a center of the rotation shaft as a circle center, and when one of the moving contacts is changed over between the two static contacts, the other moving contact is certainly electrically connected to the arc-shaped conductor. Through the present invention, connection conductors in the changer are omitted, so that each component is fixed and reliable and is convenient to mount, and hidden fault troubles are reduced. | 11-21-2013 |
| 20130327619 | OFF-CIRCUIT TAP CHANGER - In one aspect of the invention, an off-circuit tap changer includes a switch base and a rotation shaft penetrating the switch base. An upper end of the rotation shaft is connected to an operation positioning device, a lower end of the rotation shaft is disposed with moving contacts, and fixed contacts corresponding to the moving contacts are circumferentially disposed at a spacing on the switch base; the moving contacts are radial elastic rolling moving contacts, and the radial elastic rolling moving contacts span between two adjacent fixed contacts and closely contact the fixed contacts. | 12-12-2013 |
| 20130327620 | DISK TYPE OFF-CIRCUIT TAP CHANGER - In one aspect of the present invention, a disk type off-circuit tap changer includes a switch base and a rotation shaft, where an upper end of the rotation shaft is connected to an operation positioning mechanism, a lower end of the rotation shaft is connected to moving contacts, the moving contacts fit with fixed contacts circumferentially arranged at a lower side of the switch base, and the fixed contacts are directly embedded into the switch base to form a whole body with the switch base. | 12-12-2013 |
| 20130341166 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching between winding taps of a step transformer without interruption, comprising a separate selector for preselecting the winding tap to be switched to without control current, and a separate load transfer switch for actually transferring the load from the previous to the preselected new winding tap. The invention further relates to an energy store having at least one energy store spring that is first tensioned for each load transfer by a rotating drive shaft and that abruptly actuates the load transfer switch after being triggered. According to the invention, a gear is provided by means of which the energy store can be tensioned after mechanical freewheel is provided between the gear and the energy store, such that the energy store can be tensioned after a time delay, and a further mechanical freewheel ( | 12-26-2013 |
| 20140014479 | TAP CHANGER WITH IMPROVED SWITCH CONSTRUCTION - An on-load tap changer is provided having a pair of bypass switches, each of which includes a plurality of contacts at least partially disposed in a contact carrier. The contacts are arranged in a stack and cooperate to form a groove and a mounting bore. A mounting post extends through the mounting bore such that the contacts are pivotable about the mounting post between an open and a closed position. When an actuation assembly moves the contacts to the open or closed position, the contacts move longitudinally relative to the contact carrier. | 01-16-2014 |
| 20140034463 | TAP CHANGER AND VACUUM INTERRUPTER FOR A TAP CHANGER OF THIS KIND - The invention relates to a tap changer for switching over between winding taps of a tap transformer without interruption, wherein two load branches are provided for each phase which is to be switched and each load branch has a vacuum switching contact, which acts as a main contact and, parallel to said vacuum switching contact, at least one series circuit comprising a transition resistor and in each case a further vacuum switching contact. In this case, in each case one vacuum switching contact of each load branch is structurally combined to form a single vacuum interrupter having two separate, fixed contacts ( | 02-06-2014 |
| 20140048394 | STRIP TYPE OFF-CIRCUIT TAP CHANGER - On aspect of the present invention, a strip type off-circuit tap changer includes an insulating rod and a support, where an operation positioning device is arranged on the support, a rack mobile frame is disposed on the insulating rod, the rack of the rack mobile frame is engaged to a drive gear of the operation positioning device, columnar fixed contacts are longitudinally arranged at a spacing on the insulating rod, the rack mobile frame is connected to a moving contact frame, and a moving contact assembly is arranged on the moving contact frame and fits with the fixed contacts on the insulating rod, the moving contact assembly is formed by an annular moving contact and an elastic pin, and the annular moving contact spans between two adjacent columnar fixed contacts. | 02-20-2014 |
| 20140190803 | LOAD TRANSFER SWITCH FOR A TAP CHANGER - The invention relates to a load transfer switch for a tap changer for switching among various winding taps of a step transformer without interruption. The general inventive concept lies in fastening both the force accumulator and the load transfer switch not on the bearing plate but rather on the force accumulator support by providing additional receptacles on the force accumulator support, which receptacles are supported over a large area on the oil tank, in particular on the upper permanent main contact supports fastened to the oil tank, of each phase of the load transfer switch in such a way that the force accumulator support is fixed both in the horizontal direction and the vertical direction and thus mechanically unburdens the bearing plate. | 07-10-2014 |
| 20140209440 | ENERGY-STORING UNIT WITH FORCING MECHANISM, AND ON-LOAD TAP CHANGING DEVICE - An energy-storing unit with a forcing mechanism and an on-load tap changing device provided with the same which employ an inexpensive and simple structure and which can suppress a loading torque to operate stably. A forcing mechanism built in an energy-storing unit includes a protrusion, a bearing, and a loading cam. Among those components, the protrusion is attached to the bottom face of an eccentric cam, and the bearing is attached to the tip of the protrusion. The loading cam is an isosceles triangle having a vertex that is substantially 90 degrees, and is attached to the top face of an energy-storing case. The loading cam becoming in contact with the bearing causes a crank to rotate through the energy-storing case, and feeds a catch to a standby position. | 07-31-2014 |
| 20140216902 | TAP CHANGER - In an end-side tap changing mechanism group of a plurality of tap changing mechanism groups that is located at an end of a rotation shaft, input connection points between a plurality of fixed contact connection members and a plurality of input conductors, respectively, are located closer in a shaft direction of the rotation shaft to a center line of entire the plurality of tap changing mechanism groups than a center line of the end-side tap changing mechanism group, and an output connection point between a stator connection member and an output conductor is located closer in the shaft direction of the rotation shaft to the center line of entire the plurality of tap changing mechanism groups than the center line of the end-side tap changing mechanism group. | 08-07-2014 |
| 20140291130 | EXTERNAL ON-LOAD TAP CHANGER - Disclosed is a suspensible external combined on-load tap changer, including: a switch box, a switch body and a motor mechanism, a top box wall of the switch box being opened with a top opening, a top box cover being mounted on the top opening, wherein the switch body is detachably mounted in the switch box and is entirely lifted in and lifted out by the top opening; and the motor mechanism is connected with the switch body in a driving manner. The switch body in the present invention uses a hoisting structure, and the top box wall of the switch box is opened with a top opening with a size large enough, so that the switch body is directly lifted in and lifted out of the switch box from the top opening, and installation and maintenance are easier. | 10-02-2014 |
| 20140318936 | POWER-SWITCH WITH INTERNAL VOLTAGE MEASUREMENT - A power-switch having a switch housing and an electronic module, at least one contact being provided to tap a voltage at a primary conductor, and an adapter being provided to reduce the tapped voltage of said primary conductor. | 10-30-2014 |
| 20150008104 | ON-LOAD TAP CHANGER WITH TWO VACUUM INTERRUPTERS AND DRIVE THEREFOR - An on-load tap changer ( | 01-08-2015 |
| 20150014130 | TAP SWITCH - The invention relates to a tap changer for voltage regulation with semiconductor switching components on a regulating transformer having a regulating winding. The tap changer is of a modular design and each module comprises, respectively, one partial winding of the regulating winding that is connectable or disconnectable by means of semiconductor switching components. Varistors and capacitors are additionally integrated for protecting the semiconductor switching components against high voltages. | 01-15-2015 |
| 20150047954 | TAP CHANGER - An on-load tap changer is provided and includes a plurality of modules disposed in an interior space of a tank and arranged in a side-by-side manner. Each module has a bypass switch assembly and a vacuum interrupter assembly mounted to a first side of a board. The bypass switch assembly is actuated by rotation of a bypass cam and the vacuum interrupter assembly is actuated by rotation of an interrupter cam. A transmission system rotates the bypass cam and the interrupter cam. The transmission system is mounted on a second side of the board. | 02-19-2015 |
| 20150047955 | TAP CHANGER HAVING AN IMPROVED VACUUM INTERRUPTER ACTUATING ASSEMBLY - An on-load tap changer is provided having a vacuum interrupter actuatable by a shaft. A movable shuttle is connected to an impact mass by springs such that the impact mass tends to follow the shuttle when the shuttle moves. A pawl assembly is operable to hold and then release the impact mass when the shuttle starts moving. The holding of the impact mass when the shuttle starts to move causes the springs to store both a compression force and a tension force, which are released when the impact mass is released. | 02-19-2015 |
| 20150060244 | SELECTOR FOR A TAP CHANGER - The invention relates to a selector for a tap changer for switching among winding taps of a step transformer without interruption, wherein the selector consists of a plurality of honeycomb segments arranged horizontally one over the other and vertically next to each other, which honeycomb segments can be fixed to each other by contact holders and pins. According to the invention, by means of such a modular design, a large variety of selector variants is possible using only few components. | 03-05-2015 |
| 20150068877 | ARRANGEMENT OF VACUUM SWITCHING TUBES IN A LOAD TRANSFER SWITCH - Arrangement of vacuum switching tubes ( | 03-12-2015 |
| 20150303006 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption according to the preamble of the first patent claim. The general inventive concept lies in actuating both the selector contact unit and the switching means for uninterrupted load switching by means of a common motor drive without an energy store being connected therebetween. | 10-22-2015 |
| 20150311006 | TRANSFORMER TAPPING ARRANGEMENT AND METHODS OF OPERATION OF SAME - A tapping arrangement for a transformer, the arrangement comprising a plurality of fixed contacts, a movable rotary contact, a transition rotor with pairs of transition contacts, an interrupter coupling assembly and driving motor(s) are compacted into a single vacuum chamber | 10-29-2015 |
| 20160005554 | LINEAR SELECTOR - The invention relates to a linear selector ( | 01-07-2016 |
| 20160012982 | TAP CHANGER | 01-14-2016 |
| 20160126025 | ON-LOAD TAP CHANGER AMD METHOD OF EMERGENCY SETTING DEFINED SWITCHING POSITION THEREOF - The invention relates to an electric motor-operated on-load tap changer ( | 05-05-2016 |
| 20160133399 | SELECTOR SWITCH FOR TAP-CHANGING TRANSFORMERS AND SUPPORT ARM FOR A TAP SELECTOR THEREOF - The invention relates to a selector switch ( | 05-12-2016 |
| 20160141120 | ON-LOAD TAP CHANGER, METHOD FOR INSTALLING A LOAD TRANSFER SWITCH INSERT IN THE ON-LOAD TAP CHANGER, AND KEROSENE DRAIN SCREW - The invention relates to an on-load tap changer ( | 05-19-2016 |
| 20160148742 | BURST PROTECTOR FOR HIGH-VOLTAGE DEVICE - The invention relates to a bursting device ( | 05-26-2016 |
| 20160155580 | ON-LOAD TAP CHANGER | 06-02-2016 |
| 20160181025 | ON-LOAD TAP CHANGER | 06-23-2016 |
| 20100032267 | SWITCHING ELEMENT FOR ACTUATING AN ADJUSTABLE PARAMETER - A switch element ( | 02-11-2010 |
| 20120006659 | Rotary Switch - A rotary switch is provided having high flexibility in design depending on required operations. A rotor ( | 01-12-2012 |
| 20140144761 | Electrical rotary switch with closing elements at stationary contact locations inhibiting spark discharge and/or with a locking spring member - A rotary electrical switch comprises a housing having a first rotary contact space for accommodating a rotary contact and a plurality of stationary contact spaces for selectively accommodating at least one stationary contact. The housing comprises one or more closing elements for closing one or more of the stationary contact spaces not in use for accommodating a stationary contact. Another aspect comprises a locking spring member having a first portion being a resilient spring member configured for releasably engaging a locking member, while a second portion is configured for mechanically coupling to a spindle portion for imparting a rotational force on at least one rotary contact of the switch. | 05-29-2014 |
| 20160079014 | ROTATIONAL OPERATION TYPE SWITCH - A rotational operation type switch includes a frame; a rotational operation button rotatably supported on the frame for rotational operation; a switching contact mechanism disposed below the operation button to face the operation button; and an operation mechanism disposed between the operation button and the switching contact mechanism, to switch the switching contact mechanism in conjunction with the rotational operation of the operation button. The switching contact mechanism includes a printed circuit board, a plurality of fixed contact electrodes disposed on the printed circuit board and spaced a predetermined distance away from each other, and a movable contact having a disc spring shape and disposed bridging between the plurality of fixed contact electrodes. The movable contact deforms to contact and separate from the fixed contact electrodes and switches an electrical connection between the fixed contact electrodes. | 03-17-2016 |
| 20090045038 | Digital multimeter having improved rotary switch assembly - A multimeter includes a case having a rotary selector knob for selecting a multimeter function. A circuit board defining multiple switching terminals thereon is located in the case. A rotary switch assembly is operatively coupled to the selector knob. The rotary switch assembly has a plurality of contact pairs which selectively complete a galvanic connection across predetermined pairs of switching terminals. The rotary switch assembly further includes first and second switch members located in opposition on respective sides of the circuit board. Each of the switch members has at least one of the contact pairs. | 02-19-2009 |
| 20120103765 | DIGITAL MULTIMETER HAVING IMPROVED ROTARY SWITCH ASSEMBLY - A multimeter includes a case having a rotary selector knob for selecting a multimeter function. A circuit board defining multiple switching terminals thereon is located in the case. A rotary switch assembly is operatively coupled to the selector knob. The rotary switch assembly has a plurality of contact pairs which selectively complete a galvanic connection across predetermined pairs of switching terminals. The rotary switch assembly further includes first and second switch members located in opposition on respective sides of the circuit board. Each of the switch members has at least one of the contact pair. | 05-03-2012 |
| 20120261238 | MULTIPOSITION SWITCH - A multiposition switch that comprises a base member accommodating a plurality contact members, respectively. The plurality of contact members are adapted to electrically mate to a host printed circuit board. A routing subassembly is rotatably coupled to the base member. The routing subassembly includes a routing member that defines a plurality of electrical paths between the contact members for switching between combined and uncombined positions. An actuator is coupled to the rotating member for rotating the routing member with respect to the base member between the combined and uncombined positions. | 10-18-2012 |
| 200011000 | Tap changers | 40 |
| 20090026051 | Input device for rapid triggering of rolling signals - The present invention includes a wheel mounted onto an electronic device through a holding rack and turnable freely under an external force. The wheel has a click portion to generate signals that consists of concave and convex portions formed radially and equally spaced from one another. A signal generation means is provided including at least two legs and a conductive element located between the two legs having an elastic return force. The conductive element is moved to connect the two legs due to rotation of the click portion to generate instruction signals. A friction force is generated when the conductive element is connected to the click portion. A rotation resistant force is generated when the conductive element and the rotating click portion are connected. A composite force is formed by the force to generate rotation and the rotation resistant force. The composite force forms an inverse relationship with the weight of the wheel. | 01-29-2009 |
| 20090260959 | ELECTRO-MECHANICAL PULSE GENERATOR - An electromechanical pulse generator and a method of generating electrical pulses are disclosed. The electromechanical pulse generator comprises very few parts and includes an effective mechanism to prevent contact rebound. An upper, user-actuable and rotatable part has a surface with a plurality of projections. A lower part has an electrical conductor with a displaceable resilient contact portion biased against the projections and two electrical contacts positioned, in the plane of rotation, on either side of the displaceable contact portion. | 10-22-2009 |
| 20090266687 | IGNITION SWITCH - A three-position, single-pole, double-throw, rotary ignition switch is disclosed that is water-tight and provides qualitative and quantifiable durability in the presence of high-current loads, even after long use. It withstands a continuous 20 A load, plus an additional occasional 20 A load, when in the “run” position. It withstands an additional 75 A inductive load when in the “start” position. Then even after 12,000 operational cycles, leakage current (with 28 VDC supply voltage) when the switch is in the “off” position remains under 0.3 mA, and still allows leakage current not exceeding 10 mA at any time while each disconnected pair of terminals and between terminals and ground are exposed to 1,000±5 V | 10-29-2009 |
| 20090277762 | MICROMACHINE SWITCH, FILTER CIRCUIT, DUPLEXER CIRCUIT, AND COMMUNICATION DEVICE - A micromachine switch of the present invention is a micromachine switch for switching an electrical connection between signal electrodes in accordance with control signals from outside which include: a first control signal for electrically connecting the signal electrodes between which a signal is to be passed; and a second control signal for disconnecting the electrical connection between the signal electrodes. The micromachine switch comprises: a substrate; a rotating body provided on the substrate, which is rotatable on the substrate; a movable electrode provided on the rotating body; a first signal electrode, one end of which is electrically connected to one end of the movable electrode, and another end of which is provided on the substrate; a second signal electrode which is provided near the rotating body so as to be positioned such that a rotation of the rotating body causes the second signal electrode to be electrically connected to another end of the movable electrode; and a drive section for causing, in accordance with the first control signal, the rotating body to rotate until the rotating body is in such a position as to allow said another end of the movable electrode and the second signal electrode to be electrically connected, and for causing, in accordance with the second control signal, the rotating body to rotate until the rotating body is in such a position as to disconnect an electrical connection between said another end of the movable electrode and the second signal electrode. | 11-12-2009 |
| 20090294262 | LOW PROFILE ROTARY SWITCH WITH AN ENCLOSED DETENT SUB-ASSEMBLY - The panel mounted low profile rotary switch includes a knob, a detent sub-assembly, a shaft, a bushing, and a panel. The knob is held to the shaft by one or more locking screws and the operation of the detent sub-assembly is enclosed and is not altered by removal of the knob. The entire detent sub-assembly is located on the knob side or user's side of the panel. Only the bushing and the shaft extend through the panel. The shaft is connected to a rotary component such as a rotary switch contact which engages circuitry on a printed circuit board. The switch or electrical connection is located on the undersurface of the panel. | 12-03-2009 |
| 20100038219 | ELECTRONIC SIGNALLING SYSTEM - The present invention relates to an electronic signaling system utilizing a multi-contact switch that is activated by a mechanical activity which is converted to electrical signaling. The electrical signal activates an electric motor which, in turn, closes, in a predetermined sequence, a series of electronic circuits, which generate a series of electrical signals. The multi-contact switch according to the present invention, may replace a human user who would otherwise generate these electric signal by pressing a series of buttons in a predetermined sequence. | 02-18-2010 |
| 20100044193 | RATCHET WHEEL MECHANISM AND TURNING SWITCH WITH RATCHET WHEEL MECHANISM - In the present invention are disclosed a step type ratchet wheel mechanism and a turning switch with step type ratchet wheel mechanism, wherein comprising: camshaft circular disc, on its end surface is disposed at least one groove, on its rim is disposed at least one positioning slot; driving cam, on its end surface is disposed at least one groove, on its rim is disposed at least one angular shape tooth; first pawl and second pawl; one resilient element is contained in the chamber, which is formed from two corresponding grooves respectively disposed on the end surfaces of camshaft circular disc and driving cam. When said camshaft circular disc is at a control-position, first pawl falls into one positioning slot of camshaft circular disc; when said driving cam is being turned toward next control-position, said two grooves will be staggered, said resilient element is compressed; when said driving cam is turned to the next control-position, one angular shape tooth will push first pawl out from said positioning slot, the released resilient element will cause said camshaft circular disc turning to the next control-position, and then second pawl will fall into another positioning slot of camshaft circular disc. In use of the present invention, the acted force is even, the operation is steady, the hand handle is comfortable, and furthermore, the phenomenon of hung-up point between two adjacent control-positions also may be avoided. | 02-25-2010 |
| 20100065407 | CONTROL ASSEMBLY FOR INTERLOCKED SOCKETS - A control assembly for interlocked sockets includes a rotary breaker which is actuated by a knob and is mounted on a supporting structure. The control assembly includes a visual indication means which has the purpose of highlighting the open/closed state of the rotary breaker as a consequence of rotations of the knob. | 03-18-2010 |
| 20100140064 | ROTARY CONTROL SWITCH MOUNTED ON CONTROL PANEL OF ELECTRICAL APPLIANCE - A rotary control switch includes a body member, a shaft member and a conducting member. The body member includes a main body having a receptacle and a perforation. Multiple recesses are disposed within the receptacle. The perforation is communicated with the receptacle. The shaft member includes a base and a rotating shaft. The base has a sustaining structure. A protrusion is extended from the rotating shaft. The conducting member is connected with the base of the shaft member. The protrusion is sustained against or engaged with the main body and the base is accommodated within the receptacle of the body member. The base of the shaft member is rotated with respect to the control panel and the body member upon rotation of the rotating shaft. When the sustaining structure is sustained against a specified one of the recesses, the conducting member is electrically connected with a corresponding contact pad of the control panel. | 06-10-2010 |
| 20100258412 | Rotary Switch and Relative Assembly Method - A rotary switch comprising a body housing inside itself a rotating shaft operatively connected to a valve or actuator. The switch further comprises a cover, associated to the body by threaded coupling means, provided with an indicator swivelling integrally with the shaft, so that it enables visual signalling of the angular position and/or operating status of the shaft. The switch comprises centering means, mechanically distinct from the threaded coupling means, which ensure the centering of the cover in relation to the body and the coaxial relation between the cover and the rotating shaft. | 10-14-2010 |
| 20100258413 | MULTI-POSITION ROTARY SWITCH - A multi-position rotary switch comprises a plurality of identical switch chamber modules that are arranged one next to the other. Each switch chamber module holds a separate line switch allocated to a respective circuit. A standalone actuator housing holds a catch assembly for a switch shaft, which is coupled with a cam slide by means of a gear drive. The cam slide is located between a block like arrangement of switch chamber modules and the housing for the activation mechanism, which is designed for a standard configuration with three switch chamber modules connected to each other. The electrical terminals of the multi-position rotary switch are located on a narrow sides of the individual switch chamber modules. | 10-14-2010 |
| 20100294632 | Safety Rotary Operator Assembly - A rotary operator assembly ( | 11-25-2010 |
| 20110024272 | MOVABLE CONTACT ASSEMBLY FOR ELECTRICAL SWITCH - A movable contact assembly for an electrical switch is provided. In at least one embodiment, the movable contact assembly includes a movable contact and a pair of supports, with each support including a bottom face and a support body perpendicular thereto. In at least one embodiment, each support body includes: a cavity for holding the movable contact disposed symmetrically at each end of a diameter of the bottom face, an inner and outer hook pair extending along the axis of the support body and being disposed symmetrically to the two sides of the diameter; and a projecting tongue and recess pair extending along the axis of the support body and being disposed symmetrically to the two sides of the diameter. The movable contact-holding cavity can hold the movable contact, the two supports can engage with each other in the direction of the axis, and the pair of the supports and the movable contact are assembled together to form the movable contact assembly. The bottom face of each support can also have a connector, which is positioned symmetrical with respect to the diameter and complementary in shape, such that several movable contact assemblies can be connected with one another as needed. The movable contact assembly of an embodiment of the present invention is simple in structure, secure in connection, highly efficient for assembling, and flexible in use. | 02-03-2011 |
| 20110162943 | ELECTRO-MECHANICAL MICROWAVE SWITCH - A switch for selectively routing electrical signals, particularly microwave signals, in a printed circuit board includes a rotatable contact that is connected to a shaft. A first motor is configured to rotate the shaft and a second motor is configured to axially move the shaft to lift the contact from the printed circuit board. A position controller produces driving signals that are received by the first and second motors to lift the contact from the printed circuit board, rotate the contact to a desired position and lower the contact to the circuit board. | 07-07-2011 |
| 20110308923 | ASSEMBLY FOR INCREASING TORQUE TACTILITY OF A ROTARY CONTROL FOR A HANDHELD RADIO - A rotary control assembly ( | 12-22-2011 |
| 20120186955 | Electric Switch - An electric switch is disclosed. In at least one embodiment, the switch includes a rotor housing; at least one electric contact arm, rotatably mounted in the rotor housing and being pivotable between an on-position and an off-position as well as relative to the rotor housing; and at least one intermediate part which, in a locking position, locks the pivotable contact arm with the rotor housing and, in the event of a relative rotation between the pivotable contact arm and the rotor housing, is moved away from the predefined locking position. | 07-26-2012 |
| 20120199452 | MULTIPOLE ELECTRICAL SWITCHING DEVICE - A switching device include at least two switching poles. Each of the switching poles has one current path and one switching contact system for opening and closing the current path, wherein a movable contact arrangement of the switching contact system of the switching poles has an integral switching shaft segment, formed from insulating material, which bears a contact lever arrangement and in which the switching shaft segments of adjacent switching poles are connected by way of at least two connecting branches; so as to form the switching shaft. The connecting branches extending at a distance parallel to the axis of rotation and are formed from corresponding connecting elements. In at least one embodiment, all of the connection elements of the at least two connecting branches are formed by first sections of the integral switching shaft segments, which bear the contact lever arrangements. | 08-09-2012 |
| 20130175147 | OPERATING DEVICE - An operating device includes a dial that has a first engagement portion, a rotational body that is formed in an annular shape, and has a second engagement portion so as to be engaged with the first engagement portion of the dial. Rotation of the dial is transmitted to the rotational body through an engagement of the first and second engagement portions. The operating device also includes gear teeth that are provided on an inner circumferential portion of the rotational body, a gear that is meshed with the gear teeth and is rotated in an inner space of the rotational body, and a rotation response member that is directly coupled to a rotation shaft of the gear and varies in accordance with a rotation angle of the dial. | 07-11-2013 |
| 20130327618 | ELECTRIC CURRENT SWITCHING APPARATUS - The present disclosure relates to a rotary switch module having a first stationary contact, a second stationary contact, and a movable contact for making an electrical connection between the first stationary contact and the second stationary contact. A rotary actuator is provided for rotating the movable contact, the rotary actuator having on its surface a first indication indicating an open position of the switch, and a second indication indicating a closed position of the switch. A first window indicates the first indication, and a second window separate from the first window indicates the second indication. | 12-12-2013 |
| 20140061012 | ROTARY SWITCH - A rotary switch includes a base forming a number of contacts, a support apparatus installed in the base, and a rotary apparatus rotatably installed in the support apparatus. The support apparatus forms zigzag first and second guiding portions. The rotary apparatus includes a rotary pole, a trigger mounted to the rotary pole, two abutting poles, and two resilient members respectively connected between two opposite ends of the rotary pole and the abutting poles. An end portion of each abutting pole slides along the first guiding portion, to allow the abutting poles to stretch and withdraw along a lengthwise direction of the rotary pole, and allow the abutting poles to undulate along the second guiding portion in a direction perpendicular to the lengthwise direction of the rotary pole, to allow the rotary pole to contact and trigger one of the contacts or pass over the contact. | 03-06-2014 |
| 20140131179 | Multi-Level Rotary Switch - The present invention relates to a rotary switch with multi-level, the rotary base drives the first conductive sheet to rotate with the second conductive sheet when the rotary shaft is rotated, and the second conductive sheet leaves one of the conductive contact elements; the position end of the second conductive sheet is pressed by one positioning surface during the rotation, and the second spring stores energy; the second spring then releases the energy to the fourth end of the second conductive sheet, and the position end of the second conductive sheet slides on one positioning surface until the position end of the second conductive sheets is positioned solidly between two positioning surfaces; so that, the material cost in production can be lower down, and life time of the rotary switch can be increased. | 05-15-2014 |
| 20140131180 | Appliance Control Knob Support - An appliance control knob assembly includes an encoder with a rotatable shaft. A control knob is connected to the shaft and is mounted on a protuberance that extends into the control knob and provides a bearing mounting surface. The control knob has a hub portion rotationally supported by a bearing mounted within the protuberance, and which engages the rotatable encoder shaft. The encoder is mounted such that prior to attachment of the hub portion with the encoder shaft, the encoder is allowed a degree of movement to come into alignment with the hub portion. | 05-15-2014 |
| 20150027866 | SWITCH - A switch has a base having a recess, and a plurality of fixed contacts mounted in an inner side face of the recess, an electrically conductive actuator disposed within the recess of the base, the electrically conductive actuator having a pair of movable contact portions and an elastically deformable elastic portion, the movable contact portions having movable contacts capable of being connected to respective fixed contacts, at least one engagement convex portion disposed on one of the base and the electrically conductive actuator, and at least one engagement concave portion disposed on the other of the base and the electrically conductive actuator and engageable with the at least one engagement convex portion. The elastic portion of the electrically conductive actuator is elastically deformed to break an engagement between the engagement convex and concave portions when the actuator moves between a first position and a second position. | 01-29-2015 |
| 20160086749 | Apparatus For And Method Of Reducing Rotary Knob Noise - The aspects of the present disclosure provide an apparatus for and method of reducing rotary knob produced by a plurality of detents, in particular, a rotary retainer within a rotary knob assembly. The rotary retainer has a generally cylindrical body and an angular flange protruding outwardly from and around the generally cylindrical body and a plurality of detents disposed on the angular flange. The angular flange is made of a first material capable of sustaining a torque exceeding a first predetermined threshold and wherein the plurality of detents are made from a second material different from the first material, the second material being capable of sustaining a torque exceeding a second predetermined threshold, and the first material and the second material are configured to dampen noise generated by the plurality of detents when the rotary knob is operated. | 03-24-2016 |
| 20160181032 | SEALABLE SETTINGS DIAL | 06-23-2016 |
| 20080202902 | Knob assembly - A knob assembly applicable for an electronic device for executing a plurality of default commands is provided, which at least includes a manipulator and a plurality of push switches disposed adjacent to the manipulator, wherein the manipulator performs back and forth swing and linear movement, and touches a corresponding push switch in the travel of the back and forth swing and the linear movement, so as to output a trigger signal for executing a corresponding default command. | 08-28-2008 |
| 20100155201 | Momentary contact rotary switch device - A rotary switch for activating selected functions in a hand held device. One embodiment of the invention provides a rotary switch having a rotatable switch selector. Whenever the switch selector is rotated, it reduces the diameter of a torsion spring causing the torsion spring to contact a switch contact and signal a microprocessor to selectably power a particular circuit or a step in a routine. | 06-24-2010 |
| 20120000753 | QUAD BREAK MODULAR CIRCUIT BREAKER INTERRUPTER - An interrupter includes at least four pairs of contacts. Each pair of contacts includes a stationary contact positioned to abut a corresponding moveable contact. The moveable contacts are coupled to a rotating member. The rotating member is coupled to a driving member via a biasing member. The driving member is rotated causing all four pairs of contacts to separate and open a circuit quickly. | 01-05-2012 |
| 20120103766 | ON-LOAD TAP CHANGER WITH ENERGY STORAGE MECHANISM - The invention relates to an on-load tap changer having an energy storage device, by means of which an output shaft is rotatable in spurts. According to the invention, in addition to the actual energy storage spring or the actual energy storage springs, at least one further spring is provided, which absorbs/releases energy after the activation of the energy storage mechanism, whereby the torque curve can be optimised. | 05-03-2012 |
| 20120118713 | Switch With Pivoting Actuator - A rotary switch having a body, a rotary knob attached to the body, and at least two terminals attached to the body. An actuator is pivotably mounted within the body and operably connected to the rotary knob, the actuator pivoting upon a rotation of the rotary knob. A conductor is pivotably mounted in the body and is in communication with the actuator. The conductor is adapted to connect or disconnect the at least two terminals when the actuator is pivotably moved. | 05-17-2012 |
| 20140166449 | Forward/Backward Rotation Switching Mechanism - The present invention relates to a forward/backward rotation switching mechanism, comprising: a cover, a turntable, a terminal-fixing body, a first contact terminal, and a second contact terminal. In the present invention, a plurality of dust-off trenches are especially formed on the peripheral edges of the turntable for preventing from the dust accumulation between the turntable and a cover; therefore, even if the forward/backward rotation switching mechanism is used in an environment having a lot of dust, the turntable can still be turned around because the dust is ruled out by the dust-off trenches. | 06-19-2014 |
| 20150129398 | ROTARY BATTERY SWITCH - A battery switch including a selector supported by a housing and rotatably mounted to the housing. The selector having four positions, including, a first position in which a first and second bank terminals are disconnected from a first and second load terminals, a second position in which the first bank terminal is connected to the first load terminal and the second bank terminal is disconnected from the second load terminal, a third position in which the first bank terminal is connected to the first load terminal, the second bank terminal is connected to the second load terminal, and the first bank terminal is disconnected from the second bank terminal, and a fourth position in which the first bank terminal is connected to the first load terminal and the second bank terminal and the second bank terminal is connected to the second load terminal. | 05-14-2015 |
| 20090000927 | On-Load Tap Changer with an Energy Storage Mechanism - The invention relates to an on-load tap changer having an energy storage mechanism for changing over, without any interruptions, between different winding taps of a tap-changing transformer on load. According to the invention, the energy storage mechanism has one or more compression springs, which are tensioned at the beginning of a changeover operation. In comparison with the tensile springs used to date with such energy storage mechanisms, the compression springs have markedly greater long-term strength. | 01-01-2009 |
| 20090071806 | Off-circuit tap changer device - An off-circuit tap changer device which includes a spring-biased moving contact that is operable to independent flex and roll. The moving contact includes one or more rings which are independently spring biased to a moving contact support. The device also includes a single rod with locking elongated ribs to mate with a sleeve of the moving contact support. The circulating circuit includes X stationary contacts. The resiliency via the spring-biasing and the rolling of the ring minimizes, if not prevents, surface wearing of the moving contacts. | 03-19-2009 |
| 20090288934 | Energy Store - The invention relates to an energy store for a load tap changer with a longitudinally movable lifting carriage and an also longitudinally movable snap-action carriage which follows the movement of the lifting carriage after being triggered and whose longitudinal movement is converted into a rotary movement of an output shaft that actuates the load tap changer. In order to do so, two rolls which are guided in an especially geometrically designed guide rail are disposed on the snap-action carriage. Only one of the two rolls is positively guided in the guide rail during the first part of each movement of the snap-action carriage while the other roll can be moved freely. The second roll that could previously be moved freely is then positively guided during the second part of the movement while the roll which was previously guided can be moved freely. The roll which was initially guided is positively guided once again during the third part of the movement. | 11-26-2009 |
| 20100038220 | Dual Voltage Switch - A transformer switch, such as a dual voltage switch or a tap changer. The switch includes a cover, a housing, and a rotor sandwiched between the cover and the housing. The cover and housing are molded from a non-conductive plastic. An interior space of the cover includes at least one pocket within which stationary contacts are disposed. Each stationary contact is electrically coupled to one or more windings of a transformer. The rotor extends within a channel of the housing, from a top of the transformer switch to an interior surface of the cover. The interior surface includes a protrusion about which the rotor and at least one movable contact coupled thereto can rotate. The movable contact is configured to be selectively electrically coupled to at least one of the stationary contacts. For example, different stationary contact-movable contact pairs can correspond to different voltages of the transformer. | 02-18-2010 |
| 20100038221 | Tap Changer Switch - A transformer switch, such as a dual voltage switch or a tap changer. The switch includes a cover, a housing, and a rotor sandwiched between the cover and the housing. The cover and housing are molded from a non-conductive plastic. An interior space of the cover includes at least one pocket within which stationary contacts are disposed. Each stationary contact is electrically coupled to one or more windings of a transformer. The rotor extends within a channel of the housings from a top of the transformer switch to an interior surface of the cover. The interior surface includes a protrusion about which the rotor and at least one movable contact coupled thereto can rotate. The movable contact is configured to be selectively electrically coupled to at least one of the stationary contacts. For example, different stationary contact-movable contact pairs can correspond to different voltages of the transformer. | 02-18-2010 |
| 20100038222 | Multi-Deck Transformer Switch - A transformer switch, such as a multi-deck tap changer, includes an assembly with a first housing coupled to a first cover. The first cover holds at least a first stationary electric contact. A second housing is formed integrally with the first cover, and is coupled to a second cover, the second cover holding at least a second stationary electric contact. The first housing and first cover together define a first interior volume within which the first stationary electric contact is disposed. The second cover and the second housing together define a second interior volume within which the second stationary electric contact is disposed. Each housing-cover coupled pair includes an interior rotor rotatable relative to the stationary electric contact in the cover of the pair. At least one movable contact is coupled to each rotor. The covers and housings can be molded from a non-conductive plastic. | 02-18-2010 |
| 20100263996 | Measuring Contact Sequence In A Tap Changer - A tap changer and a method for measuring a contact sequence of a tap changer is provided. The tap changer includes a cylinder and a shaft that is rotatably arranged inside the cylinder, the cylinder is provided with fixed contacts, the shaft is provided with a contact circuit facing the cylinder and including mechanical contacts, which mechanical contacts are adapted to selectively mate with the fixed contacts of the cylinder upon rotation of the shaft, the contact circuit also includes at least two measuring points for measuring the function of the contact circuit. The tap changer includes at least one measuring contact device, which is electrically connected to the respective measuring points in the contact circuit, and which the measuring contact device is arranged inside the shaft. This facilitates access to the measuring points of the tap changer. | 10-21-2010 |
| 20110000769 | REVERSING AND A METHOD OF MODIFYING A TAP CHANGER TO USE THE SAME - A reversing switch for a tap changer of a transformer is provided. The reversing switch includes first and second contact structures for connection to a winding of the transformer and a mounting structure for connection to a neutral terminal of the transformer. A bus bar connects a third contact structure to the mounting structure. A movable contact arm is secured to a rotatable post. The contact arm includes a contact assembly mounted to an arm. The contact assembly has one or more outward contacts and one or more inward contacts. The one or more inward contacts engage the third contact structure and the one or more outward contacts selectively engage the first contact structure or the second contact structure. The first and second contact structures and the mounting structure are located at about the same radial distance from the post, while the third contact structure is located closer to the post. | 01-06-2011 |
| 20130192963 | MECHANICAL SWITCH CONTACT - The invention relates to a mechanical switch contact ( | 08-01-2013 |
| 20130206555 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption. The general inventive concept lies in eliminating the previously static design of the on-load tap changer, comprising a load transfer switch and a selector adjoining directly under the load transfer switch, and to bring about a spatial separation of the load transfer switch and selector assemblies. | 08-15-2013 |
| 20130213776 | TAP CHANGER HAVING A FREEWHEEL - The invention relates to a stepping switch ( | 08-22-2013 |
| 20130213777 | TAP CHANGER - The invention relates to a tap changer for switching among winding taps of a step transformer without interruption, said step transformer having an oil-filled transformer tank, wherein the tap changer does not have a separate housing or a housing that completely encloses the tap changer and is arranged on the outside of or inside the transformer tank connected to the oil filling of the step transformer. | 08-22-2013 |
| 20130306449 | CHANGE-OVER STRUCTURE BETWEEN MOVING CONTACT AND STATIC CONTACT OF TAP SELECTOR - Disclosed is a change-over structure between a moving contact and a static contact of a tap selector, including an insulation changer base plate, and further including at least two static contacts, fixed on the insulation changer base plate in at least one column at intervals, where inner ends of at least two static contacts are electrically connected to two tap windings of a transformer respectively; at least one rotation shaft, where at least two moving contacts are evenly distributed on the one rotation shaft, and the at least two moving contacts are electrically connected to each other; and at least one arc-shaped conductor corresponding to the at least two static contacts in at least one column, where the arc-shaped conductor and outer ends of the at least two static contacts in at least one column are located at the same circumference with a center of the rotation shaft as a circle center, and when one of the moving contacts is changed over between the two static contacts, the other moving contact is certainly electrically connected to the arc-shaped conductor. Through the present invention, connection conductors in the changer are omitted, so that each component is fixed and reliable and is convenient to mount, and hidden fault troubles are reduced. | 11-21-2013 |
| 20130327619 | OFF-CIRCUIT TAP CHANGER - In one aspect of the invention, an off-circuit tap changer includes a switch base and a rotation shaft penetrating the switch base. An upper end of the rotation shaft is connected to an operation positioning device, a lower end of the rotation shaft is disposed with moving contacts, and fixed contacts corresponding to the moving contacts are circumferentially disposed at a spacing on the switch base; the moving contacts are radial elastic rolling moving contacts, and the radial elastic rolling moving contacts span between two adjacent fixed contacts and closely contact the fixed contacts. | 12-12-2013 |
| 20130327620 | DISK TYPE OFF-CIRCUIT TAP CHANGER - In one aspect of the present invention, a disk type off-circuit tap changer includes a switch base and a rotation shaft, where an upper end of the rotation shaft is connected to an operation positioning mechanism, a lower end of the rotation shaft is connected to moving contacts, the moving contacts fit with fixed contacts circumferentially arranged at a lower side of the switch base, and the fixed contacts are directly embedded into the switch base to form a whole body with the switch base. | 12-12-2013 |
| 20130341166 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching between winding taps of a step transformer without interruption, comprising a separate selector for preselecting the winding tap to be switched to without control current, and a separate load transfer switch for actually transferring the load from the previous to the preselected new winding tap. The invention further relates to an energy store having at least one energy store spring that is first tensioned for each load transfer by a rotating drive shaft and that abruptly actuates the load transfer switch after being triggered. According to the invention, a gear is provided by means of which the energy store can be tensioned after mechanical freewheel is provided between the gear and the energy store, such that the energy store can be tensioned after a time delay, and a further mechanical freewheel ( | 12-26-2013 |
| 20140014479 | TAP CHANGER WITH IMPROVED SWITCH CONSTRUCTION - An on-load tap changer is provided having a pair of bypass switches, each of which includes a plurality of contacts at least partially disposed in a contact carrier. The contacts are arranged in a stack and cooperate to form a groove and a mounting bore. A mounting post extends through the mounting bore such that the contacts are pivotable about the mounting post between an open and a closed position. When an actuation assembly moves the contacts to the open or closed position, the contacts move longitudinally relative to the contact carrier. | 01-16-2014 |
| 20140034463 | TAP CHANGER AND VACUUM INTERRUPTER FOR A TAP CHANGER OF THIS KIND - The invention relates to a tap changer for switching over between winding taps of a tap transformer without interruption, wherein two load branches are provided for each phase which is to be switched and each load branch has a vacuum switching contact, which acts as a main contact and, parallel to said vacuum switching contact, at least one series circuit comprising a transition resistor and in each case a further vacuum switching contact. In this case, in each case one vacuum switching contact of each load branch is structurally combined to form a single vacuum interrupter having two separate, fixed contacts ( | 02-06-2014 |
| 20140048394 | STRIP TYPE OFF-CIRCUIT TAP CHANGER - On aspect of the present invention, a strip type off-circuit tap changer includes an insulating rod and a support, where an operation positioning device is arranged on the support, a rack mobile frame is disposed on the insulating rod, the rack of the rack mobile frame is engaged to a drive gear of the operation positioning device, columnar fixed contacts are longitudinally arranged at a spacing on the insulating rod, the rack mobile frame is connected to a moving contact frame, and a moving contact assembly is arranged on the moving contact frame and fits with the fixed contacts on the insulating rod, the moving contact assembly is formed by an annular moving contact and an elastic pin, and the annular moving contact spans between two adjacent columnar fixed contacts. | 02-20-2014 |
| 20140190803 | LOAD TRANSFER SWITCH FOR A TAP CHANGER - The invention relates to a load transfer switch for a tap changer for switching among various winding taps of a step transformer without interruption. The general inventive concept lies in fastening both the force accumulator and the load transfer switch not on the bearing plate but rather on the force accumulator support by providing additional receptacles on the force accumulator support, which receptacles are supported over a large area on the oil tank, in particular on the upper permanent main contact supports fastened to the oil tank, of each phase of the load transfer switch in such a way that the force accumulator support is fixed both in the horizontal direction and the vertical direction and thus mechanically unburdens the bearing plate. | 07-10-2014 |
| 20140209440 | ENERGY-STORING UNIT WITH FORCING MECHANISM, AND ON-LOAD TAP CHANGING DEVICE - An energy-storing unit with a forcing mechanism and an on-load tap changing device provided with the same which employ an inexpensive and simple structure and which can suppress a loading torque to operate stably. A forcing mechanism built in an energy-storing unit includes a protrusion, a bearing, and a loading cam. Among those components, the protrusion is attached to the bottom face of an eccentric cam, and the bearing is attached to the tip of the protrusion. The loading cam is an isosceles triangle having a vertex that is substantially 90 degrees, and is attached to the top face of an energy-storing case. The loading cam becoming in contact with the bearing causes a crank to rotate through the energy-storing case, and feeds a catch to a standby position. | 07-31-2014 |
| 20140216902 | TAP CHANGER - In an end-side tap changing mechanism group of a plurality of tap changing mechanism groups that is located at an end of a rotation shaft, input connection points between a plurality of fixed contact connection members and a plurality of input conductors, respectively, are located closer in a shaft direction of the rotation shaft to a center line of entire the plurality of tap changing mechanism groups than a center line of the end-side tap changing mechanism group, and an output connection point between a stator connection member and an output conductor is located closer in the shaft direction of the rotation shaft to the center line of entire the plurality of tap changing mechanism groups than the center line of the end-side tap changing mechanism group. | 08-07-2014 |
| 20140291130 | EXTERNAL ON-LOAD TAP CHANGER - Disclosed is a suspensible external combined on-load tap changer, including: a switch box, a switch body and a motor mechanism, a top box wall of the switch box being opened with a top opening, a top box cover being mounted on the top opening, wherein the switch body is detachably mounted in the switch box and is entirely lifted in and lifted out by the top opening; and the motor mechanism is connected with the switch body in a driving manner. The switch body in the present invention uses a hoisting structure, and the top box wall of the switch box is opened with a top opening with a size large enough, so that the switch body is directly lifted in and lifted out of the switch box from the top opening, and installation and maintenance are easier. | 10-02-2014 |
| 20140318936 | POWER-SWITCH WITH INTERNAL VOLTAGE MEASUREMENT - A power-switch having a switch housing and an electronic module, at least one contact being provided to tap a voltage at a primary conductor, and an adapter being provided to reduce the tapped voltage of said primary conductor. | 10-30-2014 |
| 20150008104 | ON-LOAD TAP CHANGER WITH TWO VACUUM INTERRUPTERS AND DRIVE THEREFOR - An on-load tap changer ( | 01-08-2015 |
| 20150014130 | TAP SWITCH - The invention relates to a tap changer for voltage regulation with semiconductor switching components on a regulating transformer having a regulating winding. The tap changer is of a modular design and each module comprises, respectively, one partial winding of the regulating winding that is connectable or disconnectable by means of semiconductor switching components. Varistors and capacitors are additionally integrated for protecting the semiconductor switching components against high voltages. | 01-15-2015 |
| 20150047954 | TAP CHANGER - An on-load tap changer is provided and includes a plurality of modules disposed in an interior space of a tank and arranged in a side-by-side manner. Each module has a bypass switch assembly and a vacuum interrupter assembly mounted to a first side of a board. The bypass switch assembly is actuated by rotation of a bypass cam and the vacuum interrupter assembly is actuated by rotation of an interrupter cam. A transmission system rotates the bypass cam and the interrupter cam. The transmission system is mounted on a second side of the board. | 02-19-2015 |
| 20150047955 | TAP CHANGER HAVING AN IMPROVED VACUUM INTERRUPTER ACTUATING ASSEMBLY - An on-load tap changer is provided having a vacuum interrupter actuatable by a shaft. A movable shuttle is connected to an impact mass by springs such that the impact mass tends to follow the shuttle when the shuttle moves. A pawl assembly is operable to hold and then release the impact mass when the shuttle starts moving. The holding of the impact mass when the shuttle starts to move causes the springs to store both a compression force and a tension force, which are released when the impact mass is released. | 02-19-2015 |
| 20150060244 | SELECTOR FOR A TAP CHANGER - The invention relates to a selector for a tap changer for switching among winding taps of a step transformer without interruption, wherein the selector consists of a plurality of honeycomb segments arranged horizontally one over the other and vertically next to each other, which honeycomb segments can be fixed to each other by contact holders and pins. According to the invention, by means of such a modular design, a large variety of selector variants is possible using only few components. | 03-05-2015 |
| 20150068877 | ARRANGEMENT OF VACUUM SWITCHING TUBES IN A LOAD TRANSFER SWITCH - Arrangement of vacuum switching tubes ( | 03-12-2015 |
| 20150303006 | ON-LOAD TAP CHANGER - The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption according to the preamble of the first patent claim. The general inventive concept lies in actuating both the selector contact unit and the switching means for uninterrupted load switching by means of a common motor drive without an energy store being connected therebetween. | 10-22-2015 |
| 20150311006 | TRANSFORMER TAPPING ARRANGEMENT AND METHODS OF OPERATION OF SAME - A tapping arrangement for a transformer, the arrangement comprising a plurality of fixed contacts, a movable rotary contact, a transition rotor with pairs of transition contacts, an interrupter coupling assembly and driving motor(s) are compacted into a single vacuum chamber | 10-29-2015 |
| 20160005554 | LINEAR SELECTOR - The invention relates to a linear selector ( | 01-07-2016 |
| 20160012982 | TAP CHANGER | 01-14-2016 |
| 20160126025 | ON-LOAD TAP CHANGER AMD METHOD OF EMERGENCY SETTING DEFINED SWITCHING POSITION THEREOF - The invention relates to an electric motor-operated on-load tap changer ( | 05-05-2016 |
| 20160133399 | SELECTOR SWITCH FOR TAP-CHANGING TRANSFORMERS AND SUPPORT ARM FOR A TAP SELECTOR THEREOF - The invention relates to a selector switch ( | 05-12-2016 |
| 20160141120 | ON-LOAD TAP CHANGER, METHOD FOR INSTALLING A LOAD TRANSFER SWITCH INSERT IN THE ON-LOAD TAP CHANGER, AND KEROSENE DRAIN SCREW - The invention relates to an on-load tap changer ( | 05-19-2016 |
| 20160148742 | BURST PROTECTOR FOR HIGH-VOLTAGE DEVICE - The invention relates to a bursting device ( | 05-26-2016 |
| 20160155580 | ON-LOAD TAP CHANGER | 06-02-2016 |
| 20160181025 | ON-LOAD TAP CHANGER | 06-23-2016 |
| 20100032267 | SWITCHING ELEMENT FOR ACTUATING AN ADJUSTABLE PARAMETER - A switch element ( | 02-11-2010 |
| 20120006659 | Rotary Switch - A rotary switch is provided having high flexibility in design depending on required operations. A rotor ( | 01-12-2012 |
| 20140144761 | Electrical rotary switch with closing elements at stationary contact locations inhibiting spark discharge and/or with a locking spring member - A rotary electrical switch comprises a housing having a first rotary contact space for accommodating a rotary contact and a plurality of stationary contact spaces for selectively accommodating at least one stationary contact. The housing comprises one or more closing elements for closing one or more of the stationary contact spaces not in use for accommodating a stationary contact. Another aspect comprises a locking spring member having a first portion being a resilient spring member configured for releasably engaging a locking member, while a second portion is configured for mechanically coupling to a spindle portion for imparting a rotational force on at least one rotary contact of the switch. | 05-29-2014 |
| 20160079014 | ROTATIONAL OPERATION TYPE SWITCH - A rotational operation type switch includes a frame; a rotational operation button rotatably supported on the frame for rotational operation; a switching contact mechanism disposed below the operation button to face the operation button; and an operation mechanism disposed between the operation button and the switching contact mechanism, to switch the switching contact mechanism in conjunction with the rotational operation of the operation button. The switching contact mechanism includes a printed circuit board, a plurality of fixed contact electrodes disposed on the printed circuit board and spaced a predetermined distance away from each other, and a movable contact having a disc spring shape and disposed bridging between the plurality of fixed contact electrodes. The movable contact deforms to contact and separate from the fixed contact electrodes and switches an electrical connection between the fixed contact electrodes. | 03-17-2016 |
| 20090045038 | Digital multimeter having improved rotary switch assembly - A multimeter includes a case having a rotary selector knob for selecting a multimeter function. A circuit board defining multiple switching terminals thereon is located in the case. A rotary switch assembly is operatively coupled to the selector knob. The rotary switch assembly has a plurality of contact pairs which selectively complete a galvanic connection across predetermined pairs of switching terminals. The rotary switch assembly further includes first and second switch members located in opposition on respective sides of the circuit board. Each of the switch members has at least one of the contact pairs. | 02-19-2009 |
| 20120103765 | DIGITAL MULTIMETER HAVING IMPROVED ROTARY SWITCH ASSEMBLY - A multimeter includes a case having a rotary selector knob for selecting a multimeter function. A circuit board defining multiple switching terminals thereon is located in the case. A rotary switch assembly is operatively coupled to the selector knob. The rotary switch assembly has a plurality of contact pairs which selectively complete a galvanic connection across predetermined pairs of switching terminals. The rotary switch assembly further includes first and second switch members located in opposition on respective sides of the circuit board. Each of the switch members has at least one of the contact pair. | 05-03-2012 |
| 20120261238 | MULTIPOSITION SWITCH - A multiposition switch that comprises a base member accommodating a plurality contact members, respectively. The plurality of contact members are adapted to electrically mate to a host printed circuit board. A routing subassembly is rotatably coupled to the base member. The routing subassembly includes a routing member that defines a plurality of electrical paths between the contact members for switching between combined and uncombined positions. An actuator is coupled to the rotating member for rotating the routing member with respect to the base member between the combined and uncombined positions. | 10-18-2012 |
