Class / Patent application number | Description | Number of patent applications / Date published |
335167000 | Latching means | 23 |
20100013580 | ELECTROMAGNETIC RELAY - An electromagnetic relay includes a relay coil assembly, an armature, and a contact system. The contact system includes a stationary contact assembly stationary contacts and moveable contact springs adjacent to the stationary contacts. The moveable contact springs have a projecting portion. The armature is pivotably actuated in response to an electromagnetic force generated by the relay coil to move the at least one contact spring linearly between a first position and a second position. The stationary contact assembly includes an overmold portion attached to the at least one stationary contact. The overmold portion includes a dielectric material and is bonded to the at least one stationary contact to maintain a predetermined configuration of the stationary contact relative to the at least one moveable contact spring. | 01-21-2010 |
20100026428 | Power Control Device and Methods - A power control apparatus comprising at least a coil, a contact and a manual control used to continuously energize a load when the contact is in the closed position and to de-energize the load when the contact is open. The apparatus consumes no energy while maintaining the closed or open state of the contact. Methods of operation are also described. In one aspect, the power control apparatus is embodied in the form of a standard, wall-mounted light switch. | 02-04-2010 |
20120056700 | MECHANICAL OVERRIDE DEVICE - A mechanical override device which is suitable for an undervoltage coil of a switching unit, is comprised of a first portion suitable for urging a plunger of the undervoltage coil in a first position which is taken by the plunger when the undervoltage coil is energized, and a second portion suitable for receiving an external movement command for imposing an operating movement to the first portion. The override device further comprises movement control means for controlling one or more cinematic parameters of the first portion so as to make the operating movement independent from the external movement command. | 03-08-2012 |
20130285771 | Latching Apparatus And An Operating Mechanism With Such A Latching Apparatus - A latching apparatus for an operating mechanism for an electrical switching apparatus includes a first member movable between a first position and a second position, in the first position the first member adapted to lock a drive member of the operating mechanism and a force of the drive member applied to the first member, and in the second position the first member is adapted to release the drive member from the locked position. Guiding means guides the movement of the first member. A trip member is movable between a third position and a fourth position, in the third position the trip member adapted to lock the first member, and in the fourth position the trip member is adapted to release the first member. The guiding means are adapted to guide at least a first portion of the first member in a first direction toward a counter roller | 10-31-2013 |
20140077906 | MICROSWITCH HAVING AN INTEGRATED ELECTROMAGNETIC COIL - A microswitch is disclosed, wherein the microswitch has (1) an electrical path between a first terminal and a second terminal and (2) a closed-loop magnetic path for channeling a magnetic field through a working gap to efficiently actuate the microswitch, where the electrical path and the closed-loop magnetic path are path independent. The electrical path includes a laterally movable mechanically active element. The closed-loop magnetic path includes one or more integrated coils for generating the magnetic field. The microswitch comprises: an electromagnetic module, which includes the one or more coils and some of the magnetic element of the closed-loop magnetic path; and a switch module, which includes the switching elements and the remainder of the magnetic elements of the closed-loop magnetic path. After the modules are joined the magnetic elements on both modules are magnetically coupled to collectively define the closed-loop magnetic path. | 03-20-2014 |
20140320242 | TRIP UNIT WITH CAPTIVE TRIP BAR - A trip unit wherein one sidewall of a trip unit housing assembly captivates a trip bar is provided. A captivation assembly is coupled, or directly coupled, to a trip unit housing assembly, thereby limiting tolerance buildup. The captivation assembly includes a trip bar bearing cap having a stop feature, thereby limiting tolerance buildup. The trip bar includes a radial stop paddle having hemispherical protrusions structured to contact the trip unit housing, thereby limiting tolerance buildup. The captivation assembly elements are incorporated into the trip unit housing assembly and captivates the trip bar in all but one axis, thereby limiting tolerance buildup and improving repeatability. | 10-30-2014 |
335168000 | With positive lock (against movement) | 2 |
20150311020 | MECHANICAL LATCHING HYBRID SWITCHES AND METHOD FOR OPERATING HYBRID SWITCHES - Method and apparatus for a mechanical latching of at least one pole of an hybrid switch selected from SPST, SPDT, DPDT, reversing DPDT, multi pole MPST and MPDT including the integration of one of a single and plurality of hybrid SPDT or DPDT switches using springy element to maintain the engagement between the poles and one of the contacts including PCB assembly, for operating electrical loads via the switch manual key including the introduction of a key-plunger combination into the latching hybrid switch and remotely by powering the coil by a power pulse, including a CPU program for providing any of the manual keys of each SPDT or DPDT connected in a traveler lines to the integrated switch-relay to switch on-off group of loads and all the loads of home automation network or grid via optical cable, RF, IR in line of sight and bus line. | 10-29-2015 |
20160012994 | Magnetic Actuating Device For A Current Switching Device | 01-14-2016 |
335169000 | Plural or with auxiliary latch | 1 |
20150340184 | LATCHING RELAY SYSTEM - A latching relay system includes a latching relay that comprises a permanent magnet and a control electric coil and has a function of self-maintaining a state of an electric contact, at least one inductance component that is disposed close to the latching relay and has a function of generating magnetism when energized, and an assisting energization control unit that energizes the inductance component temporarily when the state of the electric contact of the latching relay is switched, and assists an operation of the latching relay by the magnetism generated by the inductance component. | 11-26-2015 |
335170000 | Magnetically operated | 13 |
20080224804 | Magnetic Actuating Device - The invention relates to a magnetic actuating device containing a reference element and an adjusting element which is movably disposed between first and second end positions with respect to the reference element. The reference and/or adjusting elements contain a magnetizable material. A drive coil is provided for generating a magnetic field that moves the adjusting element from the first to the second end position. A mechanical clamping device is provided for producing mechanical forces that move the adjusting element from the second to the first end position. A fixing device is provided with a permanent magnet for generating a holding force fixing the adjusting element in the second end position with respect to the reference element. The fixing device contains a fixing unit separated from the adjusting element and provided with the permanent magnet. | 09-18-2008 |
20080284549 | FAULT TOLERANT SOLID STATE PUSH BUTTON CONTROL SYSTEM WITH BUILT IN DIAGNOSTIC - A contactless switch module, which is actuatable between a closed circuit position and an open circuit position, a plurality of magnetic field sensing sensors, and a plurality of magnets. The switch also includes a multi-channel switch controller. Each one of the plurality of magnetic field sensing sensors is communicatively coupled to an input channel of the multi-channel switch controller. The multi-channel switch controller is configured to determine a switch state based at least upon the respective states of its input channels. | 11-20-2008 |
20090167470 | ELECTRIC SWITCH - Electric switch which comprises a general structure ( | 07-02-2009 |
20090278636 | Indicator for a fault interrupter and load break switch - A fault interrupter and load break switch includes a trip assembly configured to automatically open a transformer circuit electrically coupled to stationary contacts of the switch upon the occurrence of a fault condition. The fault condition causes a Curie metal element electrically coupled to at least one of the stationary contacts to release a magnetic latch. The release causes a trip rotor of the trip assembly to rotate a rotor assembly. This rotation causes ends of a movable contact of the rotor assembly to electrically disengage the stationary contacts, thereby opening the circuit. The switch also includes a handle for manually opening and closing the electrical circuit in fault and non-fault conditions. Actuation of the handle coupled to the rotor assembly via a spring-loaded rotor causes the movable contact ends to selectively engage or disengage the stationary contacts. | 11-12-2009 |
20100265017 | POWER CONTROL DEVICE AND ASSEMBLY - A power control apparatus in the form of a standard, toggle, wall-mounted light switch for remote actuation of an electrical load or local manual override. A switch housing supports and retains a latching relay that includes power terminals, a switching terminal for remote actuation by a control signal, and a manual override. A switch lever extends from the body of the switch housing for manual actuation to override the state of the relay. The switch lever engages the manual override of the latching relay upon manual actuation by a person. A centering structure maintains the switch lever in a centered position to allow unimpeded movement of the manual override. The latching relay can be remotely actuated by a signal at its switching terminal to switch a power load connected to the power terminals on or off, or the relay can be manually overridden by actuation of the switch lever. | 10-21-2010 |
20140022033 | MINI HIGH-POWER MAGNETIC LATCHING RELAY - The utility model discloses a mini high-power magnetic latching relay, comprising a magnetic circuit, a contact part and a thrust disk; the magnetic circuit comprises a coil former, a coil, a magnetic enclosure, an iron core and a yoke; the magnetic enclosure comprises an alnico and an armature, characterized in that the coil former comprises a hollowed cylindrical shaft, a 1st mounting base and a 2nd mounting base; the 1st and 2nd mounting bases are horizontally arranged and integrated on the end of the cylindrical shaft; the magnetic enclosure is mounted on the thrust disk as installed on the 1st mounting base for coordinated sliding; whereas the contact part is mounted inside the 2nd mounting base for connection with the thrust disk; the utility model is characterized in that the magnetic enclosure and the contact part are on the same end of the coil former, which can reserve more expansion space for the coil, and thus improve loading capacity of the magnetic latching relay. Furthermore, the whole relay featuring in compact structure and small volume is applicable to the printed circuit board requiring high power and small volume of relay, which can expand the application scope of magnetic latching relay. | 01-23-2014 |
20140132373 | ELECTROMAGNETICALLY OPERATED DEVICE AND SWITCHING DEVICE INCLUDING THE SAME - An electromagnetically operated device includes: a moving member of the electromagnetically operated device; a drive coil that is energized to generate magnetic flux for driving the moving member; a permanent magnet provided between a stationary member and the moving member for holding the moving member; and a holding force adjusting member for adjusting the holding force applied to the moving member by the permanent magnet, wherein the holding force adjusting member is placed at a position that will not be included in the main magnetic path of the magnetic flux caused by the drive coil so as to be removable. | 05-15-2014 |
20140167889 | DRIVE FOR A SWITCHING DEVICE - A drive for a switching device having a contact system with a fixed contact and a moving contact, includes a force initiation element for initiating a drive force, an actuator for actuating the moving contact to close or open the contact system and a transmission disposed between the force initiation element and the actuator. The transmission allows both transferring the contact system from the closed to the open state and transferring the contact system from the open to the closed state to be triggered by a drive force in the same direction, making the drive cost-effective and compact. | 06-19-2014 |
20140210576 | ELECTROMAGNETIC DRIVE - An electromagnetic drive for an electrical switch such as a circuit breaker, has at least one movable armature that can implement a lifting movement along a pushing direction for moving a movable switching contact of the switch. In a closed armature position, the armature closes a magnetic circuit through first and second magnetically conductive yoke parts. A permanent magnet produces a magnetic field for the magnetic circuit and a holding force for holding the armature in the closed position. A coil is disposed to generate a magnetic flux in the same or opposite direction as the magnetic flux of the permanent magnet. The electromagnetic drive can be readjusted after installation, where the first and second yoke parts are moved relative to one another by the permanent magnet into the adjusted state, whereupon they are fixed in position. | 07-31-2014 |
20160035502 | MAGNETIC LATCHING RELAY HAVING ASYMMETRICAL SOLENOID STRUCTURE - Disclosed is a magnetic latching relay having an asymmetrical solenoid structure, the magnetic latching relay comprising an electromagnet portion, a contacting portion, and a drive portion; the electromagnet portion comprises a magnetic conductive component, a coil rack, and a coil; the drive portion comprises a movable iron core; further comprising two pieces of permanent magnet, the two magnets being respectively disposed on the two sides of a coil axis and being respectively adjacent to or in contact with the corresponding sides of the magnetic conductive component; and the two pieces of permanent magnets are within the movement range of the movable iron core in the axial direction of the coil, and are biased towards the moving direction of the movable iron core when a contact is in the closed state, such that the retaining force of the moving iron core is substantially the same in both closed and open states of contact. The present invention introduces biased permanent magnets into a relay having a solenoid electromagnet portion structure to make the relay a magnetic latching relay, for ensuring low heat dissipation while solving the problem of unbalanced action reset voltage of a solenoid electromagnet portion, thus improving product performance and operational reliability. | 02-04-2016 |
20160099123 | SWITCHGEAR OPERATING MECHANISM - An electromagnetic rebound mechanism unit and a magnetic latch unit are fixedly installed between a switchgear and a spring drive unit by virtue of a rebound fixing member and a fixing yoke. The electromagnetic rebound mechanism unit includes a rebound coil fixedly secured to the rebound fixing member, a reinforcing plate fixedly secured to a movable shaft and a rebound ring fixedly secured to the reinforcing plate. The magnetic latch unit includes a permanent magnet fixedly secured to the rebound fixing member, a latch ring fixedly secured to the permanent magnet and a movable yoke fixedly secured to the movable shaft. The spring drive unit includes a support frame, a spring retaining plate, a circuit-opening spring, a damper unit, and first and second electromagnetic solenoids. | 04-07-2016 |
20160189900 | BI-STABLE ELECTRICAL SOLENOID SWITCH - An improved bi-stable electrical solenoid switch comprising a solenoid being wound with coil windings. The solenoid having a central aperture defined therein, and the coil windings, which when engaged by a power source, generates a magnetic field. A magnetic coupling member mounted on the solenoid. A plunger partially disposed in the central aperture for movement into and out of the central aperture. A conductive plate coupled to the plunger and provided with contacts on each end of the conductive plate. The conductive plate configured to electrically engage and disengage the solenoid upon respective application of power to the solenoid. The magnetic coupling member configured to reduce the force needed by the solenoid to remain in an open position when selectively energized for moving and retaining the conductive plate of the plunger against the solenoid for allowing wide operating voltage and reduced operating power. | 06-30-2016 |
20160196942 | Magnetic Latching Relay of Parallel Type Magnetic Circuit | 07-07-2016 |
335171000 | Including spring-biasing or energy-storage means | 1 |
20150077202 | SPRING LOAD ADJUSTMENT STRUCTURE OF CONTACT DEVICE AND SPRING LOAD ADJUSTMENT METHOD OF CONTACT DEVICE - A contact device includes: fixed terminals; a movable contact maker; a pressing spring; an adjustment plate that comes into contact with an upper face of the movable contact maker; a holding; a movable shaft; and an electromagnet block. The holding portion is divided into first and second holding portions that are separated from each other. The first and second holding portions are electrically connected to each other via only the adjustment plate, due to the adjustment plate being sandwiched by a first side plate of the first holding portion and a second side plate of the second holding portion. The adjustment plate is moved in extending and contracting directions of the pressing spring, and the adjustment plate and each of the first and second side plates are subjected to resistance welding at a position at which pressing force of the pressing spring is a predetermined value. | 03-19-2015 |