| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 200081000 | FLUID PRESSURE | 55 |
| 20080257708 | Variable Differential Adjustor - A variable differential adjustor for a fluid pressure-actuated switch, with the fluid, in the preferred form of the invention, being air. The restrictor has a restrictor housing having a passage through which a pressure source has a portion which passes on its way to a pressure-actuated switch. A restrictor is provided for engaging the portion of the pressure source passing through the restrictor housing and is adjustable to variably alter fluid flow through the pressure source portion. The restrictor comprises a screw-like plug in the pressure source portion which is acted upon by a tube throttle to variably alter the passageway past the plug. | 10-23-2008 |
| 20090026059 | PRESSURE SWITCH - A compact pressure switch that causes little error in the operating point of the switch and that has resistance to dust, water, and chemical solutions is provided. The pressure switch includes a housing ( | 01-29-2009 |
| 20100012475 | COMBINATION PRESSURE SWITCH - A combination switch including a pressure switch moveable between closed and open positions in response to a working pressure of a fluid, an unloader valve moveable between open and closed positions, a mechanical interconnection between the pressure switch and the unloader valve and operable to move the unloader valve in response to movement of the pressure switch, and a mechanical lever selectively operable to move the pressure switch between the closed and the open position. | 01-21-2010 |
| 20100038228 | Stand-Alone Circuit Breaker Assembly and Associated Method of Use - A stand-alone circuit breaker assembly that includes a housing having a plurality of openings, a plurality of first bushings mounted through the openings in the housing for receiving electrical power from the distribution transformer, at least one circuit breaker, each circuit breaker having a plurality of input terminals and a plurality of output terminals, wherein the at least one circuit breaker is located inside the housing, a plurality of first electrical connectors electrically connected in one-to-one correspondence between the plurality of first bushings and the plurality of input terminals, a plurality of second bushings mounted through the openings in the housing for providing electrical power through the at least one circuit breaker, and a plurality of second electrical connectors electrically connected in one-to-one correspondence between the plurality of second bushings and the plurality of output terminals. The stand-alone circuit breaker can be utilized with a distribution transformer. | 02-18-2010 |
| 20100206708 | PRESSURE SENSOR FOR A HERMETICALLY SEALED CONTAINER - A pressure sensor is provided for a container having a hermetically sealed internal chamber. The pressure sensor includes a support member having a membrane side and an electrical contact extending along the membrane side. The support member is configured to be held by the container such that at least a portion of the support side is exposed to the internal chamber of the container. The pressure sensor also includes a membrane having a chamber side and an opposite support side. The membrane is held by the support member such that the chamber side is configured to be exposed to the internal chamber and the support side is configured to be isolated from the internal chamber. A pressure differential across the chamber side and the support side of the membrane deflects the membrane into and out of engagement with the electrical contact of the support member. | 08-19-2010 |
| 20100230268 | HIGH VOLTAGE SWITCH - A high voltage switch is provided, comprising a pair of electrodes housed within a high pressure gas vessel and separated by a nominal distance D. At least one of the electrodes is provided with raised surface features each having a radius of curvature that is significantly smaller than the electrode separation D. Preferably one of the electrodes is flat-faced. Preferred gas pressures within the pressure vessel are in the range 300 psi to 1200 psi. When used to switch voltages of several hundred kilovolts, an operational life for the electrodes of between 400 and 1000 hours has been achieved. | 09-16-2010 |
| 20100230269 | PRESSURE DIFFERENTIAL SWITCH - A diaphragm-actuated pressure differential switch assembly includes a blade spring for switching an electrical circuit. The blade spring comprises a proximal end portion configured for electrically conductive attachment to an electrical terminal, a plurality of flexible tension arms extending from the proximal end portion, a pressure contact region configured to accept transmission of a physical force to bend at least one of the plurality of flexible tension arms, a distal end portion integral with the flexible tension arms, the distal end portion including an electrical contact, and a compression spring integral with the distal end portion extending generally proximally from the distal end portion, the compression spring including a first leg and a second leg. Methods of constructing and using the diaphragm-actuated pressure differential switch assembly and the blade spring are also disclosed. | 09-16-2010 |
| 20100288616 | Adjustable pressure gauged switch for electric valve-less pumps - An adjustable pressure gauged switch for electric valve-less pumps, including a block, a switch, a pressure reaction module, a base and a pressure gauge, wherein the block is able to contain the pressure reaction module. A switch is connected to a lower end of the block, and the base is connected to a rear end of the block. The pressure reaction module is used to adjust setting fluid pressure passing through the base, thereby activate or deactivate a microswitch. A check valve is configured interior of the base close to a passage inlet end, which is able to prevent backflow of fluid passing through the base inlet causing a pressure drop and restarting the microswitch. | 11-18-2010 |
| 20120073948 | CARBON NANOTUBE OR GRAPHENE BASED PRESSURE SWITCH - The present invention describes systems and methods for providing a carbon or graphene based pressure switch. An exemplary embodiment of the present invention includes a semiconductor substrate; a cavity defined within the semiconductor substrate having a cross-sectional area and a depth; a bottom conductor disposed within the cavity; a conductive membrane disposed above the cavity and adapted to deflect towards the bottom conductor upon an applied pressure; an elastic, insulating layer disposed between the conductive membrane and the bottom conductor; and a switching element adapted to activate upon electrical communication between the conductive membrane and the bottom conductor. | 03-29-2012 |
| 20130056344 | ELECTRIC CIRCUIT BREAKER WITH PYROTECHNIC ACTUATION - An electric switch constituting a circuit breaker in particular, wherein a conductive blade is broken by the tripping of a pyrotechnically actuated gas generator. | 03-07-2013 |
| 20130062183 | Clip device - A clip device for retaining and clamping a tube, e.g. a pneumatic hose of a pneumatically actuated switching device to an object, e.g. an area of a patient's bed, comprises a pair of opposed clip members; a biasing member integrally connected to the opposed clip members; a locking post; and a locking mechanism for receiving and retaining the locking post and clip members in a closed position. The proximal ends of the clip members have intermeshing teeth for attaching the clip device to the object and the distal ends have a gripping area for pressing the clip members together. The biasing member has a circular body with gripping elements for gripping the tube. The locking post is made of a rigid yet flexible material for keeping the distal ends of clip members apart and in a locked condition when the locking post is engaged in the locking mechanism. | 03-14-2013 |
| 20130126328 | Latching Solenoid Actuator with Container Installation Detection - There is disclosed a mechanism for detecting that a valve coupled to a pressurized container is fully installed into a nose piece of a latching solenoid actuator coupled to a fire suppression system. | 05-23-2013 |
| 20140353136 | HIGH-CURRENT SWITCH - Disclosed is a high-current switch comprising a first fixed contact, a second fixed contact spaced apart from the first fixed contact, and at least one contact bridge that is movable relative to the two fixed contacts and an advancing device for transferring the contact bridge from an open position, in which the two fixed contacts are not connected to one another, to a closed position, in which the contact bridge electrically connects the two fixed contacts to one another. The advancing device is configured such that it is non-resilient, the stiffness of the contact bridge and of the advancing device corresponding to a value of at least 50,000 kNmm | 12-04-2014 |
| 20160118210 | MULTIPLEXING, SWITCHING AND TESTING DEVICES AND METHODS USING FLUID PRESSURE - A fluid pressure actuated device for establishing electrical contact includes a first side and a second side each defining a respective cavity. A respective flexible membrane is positioned across each cavity. Each membrane has an outer side that carries an electrically conducting contactor. The contactors are electrically connected to a conducting connector that extends at least partially through the device. Each flexible membrane extends and withdraws moving the associated electrically conducting contactor in opposing directions when fluid pressure is increased and decreased in the associated cavity. Each membrane may have an undulating shape by including concentric frustum portions that narrow in opposite directions. The contacts may have neutral positions that are internal relative to outer surfaces of the device until fluid pressure is increased in the respective cavities causing extension by movement of the membranes. | 04-28-2016 |
| 20160155589 | ISOLATOR FOR DC ELECTRICAL POWER SUPPLY SOURCE | 06-02-2016 |
| 20100187086 | Dual activated pneumatic actuator system - A dual activated pneumatic actuator system for a patient call system includes a dual function hand held actuator for a pneumatic patient call system and having first and second air pressure domes; a pneumatically actuated switching device including two cylinders, contact pins and C-clips connected to the contact pins; and an air conduit system connecting the dual function hand held actuator to the pneumatically actuated switching device. When a first air pressure dome is depressed pressurized air forces a cylinder against its respective pin and C-clip to create a first circuit whereby an electrical signal is sent to an alarm system in the nurse station and when the second air pressure dome is depressed pressurized air forces the other cylinder against its respective pin and C-clip to create a second circuit whereby an electrical signal is sent to an electronic device, for example television or radio. | 07-29-2010 |
| 20100307908 | Safety System and Handle Member Therefor - A fluidic operator presence control and safety system for walk-behind and riding equipment, such as lawn mowers and the like, is provided. The system includes a first handle member mounted to a portion of the equipment, the first handle member having an internal fluid flow channel containing a fluid therein, the fluid flow channel being closed to the environment. The system further includes a first electrical switch mounted adjacent the fluid flow channel and interacting therewith. The first electrical switch being in physical communication with the fluid flow channel so that pressure variances transmitted by the fluid within the fluid flow channel as a result of manual compression of a portion of the first handle member are conveyed through the internal fluid flow channel to the first electrical switch thereby actuating the first electrical switch for enabling operation of one or more functions of the equipment. | 12-09-2010 |
| 20120067712 | SEALED DOME SWITCH FOR MOBILE ELECTRONIC DEVICE - A mobile electronic device has a dome switch assembly secured to the housing of the device, over a recess formed in the housing of device. The dome switch assembly has a substrate with a vent hole communicating between the recess of the housing and the space comprised between the substrate and a dome actuation portion of the dome switch assembly. Upon actuation of the dome switch assembly, air present between the dome actuation portion and the substrate flows into the recess of the housing. | 03-22-2012 |
| 20120193211 | User Interface System and Method - One embodiment of the user interface system comprises: A tactile layer defining a tactile surface touchable by a user and plurality of deformable regions operable between a retracted state, wherein the deformable regions are flush with an undeformable region of the tactile layer; and an expanded state, wherein the deformable regions are proud of the undeformable region. A substrate joined to the undeformable region and defining a fluid port per deformable region and a fluid channel. A displacement device displacing the fluid through the fluid channel and the fluid ports to transition the deformable regions from the retracted state to the expanded state. A first and a second pressure sensor detecting changes in fluid pressure within the fluid due to a force applied to a particular deformable region. A processor determining the particular deformable region to be location of the input force based upon the detected fluid pressure changes. | 08-02-2012 |
| 20130068604 | Switch assembly - In a pneumatically actuated switching device having a pneumatic actuator for delivering pressurized air to a switch assembly for generating an electrical signal, the switch assembly comprises a switch housing having a conductive element for opening and closing a circuit; and a pneumatic hose connection member removably mounted to the housing for connecting a pneumatic hose to the housing for delivering the pressurized air for generating the electrical signal. The pneumatic hose connection member has an enlarged portion flushed with the housing, a first extended portion having a threaded section for attachment to the housing, and a second extended portion having a plurality of anchor thugs for securing the pneumatic hose. The housing and pneumatic hose connection member have a plurality of gripping elements for facilitating the insertion and removal of the pneumatic hose connection member relative to the housing and the attachment and detachment of the pneumatic hose. | 03-21-2013 |
| 200810400 | Plural switch | 3 |
| 20090078547 | Pressure switch employing silicon on insulator (SOI) technology - A pressure switch employs semiconductor silicon on insulator (SOI) technology and utilizes a first silicon wafer which has a deflecting diaphragm. Deposited on the wafer is at least one distinct metal contact. Secured to the semiconductor wafer is a glass wafer having a central aperture defining a deflecting region. Positioned on top of the glass wafer is another metal contact which is positioned to receive the two contacts deposited on the silicon wafer when a given pressure is applied to the silicon wafer. The metal contact on the silicon wafer is connected to a header pin, via apertures formed in the glass wafer, the apertures are filled with a conductive glass metal frit so that contact is made between the header pins and the metal contacts deposited on the silicon wafer. Operation is such that when a pressure is applied of a given magnitude the contact on the silicon wafer will contact the metal contact trace on the glass wafer and therefore a connection would be made between the first metal trace and the second metal trace to create a low impedance path between the two traces thereby connecting the first trace on the silicon wafer to the second trace on the glass wafer. This creates a high impedance or open circuit in a first state and when the pressure exceeds the threshold a slow impedance or short circuit in a second state. | 03-26-2009 |
| 20090236205 | PNEUMATIC FIRE DETECTOR - A pneumatic fire detector is disclosed having a switch module comprising a manifold operatively connected to a sensor tube, the switch module incorporating respective forming tubes for applying a sufficient pressure first to the outer surface of an installed diaphragm and thereafter to a pre-determined pressure through the manifold to deform the diaphragm outwards and into contact with a respective switch. | 09-24-2009 |
| 20140116860 | APPARATUS FOR SECTIONING AN ELECTRIC ENERGY FLOW IN ONE OR MORE CONDUCTORS, AND AN ELECTRIC ENERGY GENERATING PLANT COMPRISING SAID APPARATUS - The present application describes an apparatus ( | 05-01-2014 |
| 200810500 | With plural operators | 2 |
| 20090242363 | Pressure switch - The present invention relates to a type of pressure switch, particularly a type of pressure switch having a hand-controlled device, using a control rod on the hand control device to directly drive a second driving plate to move up and down, thereby to effortlessly open and close a release valve and power of the pressure switch. | 10-01-2009 |
| 20110253515 | COMBINATION PRESSURE SWITCH WITH MANUAL SHUTOFF - A combination pressure switch including a pressure switch moveable between open and closed positions in response to a working pressure of a fluid, the pressure switch including a contact assembly having first and second terminals electrically connected through a current-carrying member movable by the pressure switch, and a manual switch configured to move the current-carrying member independent of the movement of the pressure switch. | 10-20-2011 |
| 200810800 | Bourdon tube type | 1 |
| 20160086751 | PRESSURE-TYPE CONTACT SWITCH - According to the present invention, a pressure-type contact switch comprising: a bourdon tube which expands and contracts depending on water pressure in a discharge conduit applied by a pressure pump; a first actuating lever connected to a free end of said bourdon tube and rotatably installed about a first rotation axis; a link connecting a free end of said bourdon tube and an end of said first actuating lever; a first semi-circle gear formed at the other end of said first actuating lever; a first link gear engaged with said first semi-circle gear and fitted to a central rotation axis to thereby cause said central rotation axis to rotate in normal and reverse directions; a rotation member fitted to said central rotation axis; a second actuating lever which is installed to said rotation member to be rotatable about a second rotation axis; an extension lever fitted to an end of said second actuating lever, wherein a rotation of said extension lever in normal and reverse directions is limited by a movable support rod and a stationary support rod; a second semi-circle gear formed at an end of a second actuating lever; a holder fitted to an upper end of a third rotation axis and having a rotation magnet inserted therein; a second link gear fitted to a lower end of said third rotation axis and engaged with said second semi-circle gear to thereby rotate said third rotation axis in normal and reversed directions depending on the rotation of said second semi-circle gear; a movable magnet arranged to be aligned with said rotation magnet in a straight line when said rotation magnet stops in its rotation by a first stopper, wherein the pressure pump turns off due to repulsive force between said rotation magnet and said movable magnet; and a stationary magnet arranged to be aligned with said rotation magnet in a straight line when said rotation magnet stops in its rotation by a second stopper, wherein the pressure pump turns on due to attractive force between said rotation magnet and said stationary magnet. | 03-24-2016 |
| 2008109R0 | Flow-responsive type | 3 |
| 20120132507 | PRESSURE SWITCH - A pressure switch comprises a housing having a cavity for conveying a pressurized fluid. The cavity extends from an inlet to an outlet and defines a flow path for the fluid. A pressure-transducing element is provided for measuring the fluid pressure. The pressure-transducing element is in fluid communication with the cavity and is at least partially disposed in the flow path between the inlet and the outlet. The pressure-transducing element has a cylindrical shape with a constant diameter and is partially disposed in a bore in the housing. The bore has a constant bore diameter. One end of the pressure-transducing element extends into the flow path. | 05-31-2012 |
| 20130126316 | PRESSURE SENSITIVE TRIP MECHANISM WITH DEBRIS CONTROL - A pressure sensitive circuit breaker trip unit has a case forming a gas receiving cavity and a cavity accommodating movement of an actuator body with a trip lever. The actuator is moved by pressure of circuit interruption gases entering the gas receiving cavity. The actuator body has a hollow therein for accepting the interruption gases and accompanying hot debris thereby reducing any fouling of the movement accommodating cavity which may impede movement of the actuator body on subsequent circuit interruptions. | 05-23-2013 |
| 2008109M0 | Magnet | 1 |
| 20090026049 | Device for monitoring the flow rate of a medium in a continuous flow device - The subject matter of the present invention is a device for monitoring the flow rate of a medium in a continuous flow device such as a tube, a water distribution system, a heating boiler or the like, comprising a paddle pivotally mounted in a housing and comprising at its end a paddle blade that projects into the flow of the continuous flow device, the paddle's pole ( | 01-29-2009 |
| 200082000 | Piston | 9 |
| 20090127088 | Electronic Pressure Switch with Possibility of Quick Set-Up of the Main Operation Parameters - An electronic pressure switch is described comprising an external body ( | 05-21-2009 |
| 20100051440 | Perforation gun pressure-actuated electrical switches and methods of use - Pressure-actuated electrical switches are provided that comprise a housing having a slidable piston therein. The slidable piston slides from a first position to a second position and in so doing switches an electrical path from a first electrical contact and a second electrical contact to an electrical path between the first electrical contact and a third electrical contact. Suitable applications of such switches include any application in which a pressure wave is used to actuate an electrical switch. The pressure-actuated electrical switches of the present invention are especially adapted for use in controlling successive detonations in a downhole perforation gun, as explosive gases and pressure waves are used to actuate the slidable piston so as to trigger a subsequent detonation charge. Perforation guns utilizing these pressure-actuated electrical switches and corresponding methods of use are also provided herein. | 03-04-2010 |
| 20100089739 | DEVICE FOR BREAKING/MAKING AN ELECTRIC CIRCUIT - The invention relates to a device for switching on and off an electric circuit comprising: a charge ( | 04-15-2010 |
| 20100181182 | BREAKER WITH A GAS DRIVE FOR LOW-VOLTAGE, MEDIUM-VOLTAGE AND HIGH-VOLTAGE SWITCHING DEVICES - An exemplary breaker is disclosed with a gas drive for low-voltage, medium-voltage and high-voltage switching devices, in which disconnection can be generated via detonation capsules. To ensure that a low number of connection and disconnection operations in relation to the total operating duration of the circuit breaker is taken into consideration in design terms, without in the process reducing safety, exemplary embodiments include a piston/cylinder arrangement with a plurality of detonation capsules for generating a limited number of connection and disconnection operations in the cylinder in each of the two cylinder subareas which are separated by the piston. | 07-22-2010 |
| 20110297526 | Interchangeable air connector assembly for a pneumatically actuated switching device - A pneumatically actuated switching device includes an electrical connection with a conductive element and an interchangeable air connector assembly having an air conduit for receiving pressurized air from a pneumatic actuator. The pressurized air is directed into the housing of the switching device and forces a conductive plunger against the electrical connection for completing a circuit to produce a signal in a patient call system. The connector assembly has a snap fit connection constructed to selectively position the air conduit at a predetermined angle relative to the electrical connection, i.e. a first snap fit connector position the air conduit at a right angle with the electrical connection, and a second snap fit connector position the air conduit in alignment with the electrical connection. A method includes selectively inserting the first snap fit connector and the second snap fit connector into the housing depending on a desired system configuration. | 12-08-2011 |
| 20090255796 | DIFFERENTIAL ADJUSTMENT MECHANISM FOR PRESSURE SWITCHES - A calibration mechanism for setting the tripping point of a microswitch in a pressure switch has a lower collar fixed to the upper end of the pressure switch push rod, and an upper collar disposed above the lower collar and adapted to actuate the trigger of the microswitch when raised a sufficient distance above the lower collar. The upper and lower collars each have a threaded bore, each with a different thread pitch, plus guide means for keeping the threaded bores aligned for receiving a double-threaded adjustment screw having an upper section threaded to engage the upper collar's threaded bore, and a lower end threaded to engage the lower collar's threaded bore. Due to the different thread pitches, rotation of the adjustment screw will cause gradual movement of the upper collar either toward or away from the lower collar, thus facilitating fine adjustment of the microswitch trigger point. The calibration mechanism may also include a reset mechanism, operable on similar principles to set the mieroswitch's reset point. | 10-15-2009 |
| 20100089738 | HYDROMECHANICAL STORED-ENERGY SPRING MECHANISM - A hydromechanical stored-energy spring mechanism is provided for acting upon high-voltage switches. The mechanism includes a drive cylinder having a piston guided therein. The mechanism also includes a piston rod which is articulated on the piston and which penetrates centrally through a cylinder block provided with a reception bore as a guide for a damping ring. The damping ring is arranged in the reception bore of the cylinder block. The outside of the damping ring bears on the cylinder block housing, and the outside of the damping ring has a protuberance. | 04-15-2010 |
| 20090050466 | Non-contact pressure switch assembly - A non-contact pressure switch assembly for sensing pressure in, e.g., a vehicle. A piston with integrated magnet in a housing is moved under fluid pressure to change a magnetic field in which a Hall sensor is disposed inside the housing. The field changes polarity at the Hall sensor at a predetermined piston position. | 02-26-2009 |
| 20100175980 | PRESSURE SWITCH INCORPORATED TO ELECTRONIC MODULE OF SEVERAL EQUIPMENT - Pressure switch incorporated to electronic module of several equipment where said device is incorporated to the structure ( | 07-15-2010 |
| 200082000 | High voltage | 1 |
| 20090127088 | Electronic Pressure Switch with Possibility of Quick Set-Up of the Main Operation Parameters - An electronic pressure switch is described comprising an external body ( | 05-21-2009 |
| 20100051440 | Perforation gun pressure-actuated electrical switches and methods of use - Pressure-actuated electrical switches are provided that comprise a housing having a slidable piston therein. The slidable piston slides from a first position to a second position and in so doing switches an electrical path from a first electrical contact and a second electrical contact to an electrical path between the first electrical contact and a third electrical contact. Suitable applications of such switches include any application in which a pressure wave is used to actuate an electrical switch. The pressure-actuated electrical switches of the present invention are especially adapted for use in controlling successive detonations in a downhole perforation gun, as explosive gases and pressure waves are used to actuate the slidable piston so as to trigger a subsequent detonation charge. Perforation guns utilizing these pressure-actuated electrical switches and corresponding methods of use are also provided herein. | 03-04-2010 |
| 20100089739 | DEVICE FOR BREAKING/MAKING AN ELECTRIC CIRCUIT - The invention relates to a device for switching on and off an electric circuit comprising: a charge ( | 04-15-2010 |
| 20100181182 | BREAKER WITH A GAS DRIVE FOR LOW-VOLTAGE, MEDIUM-VOLTAGE AND HIGH-VOLTAGE SWITCHING DEVICES - An exemplary breaker is disclosed with a gas drive for low-voltage, medium-voltage and high-voltage switching devices, in which disconnection can be generated via detonation capsules. To ensure that a low number of connection and disconnection operations in relation to the total operating duration of the circuit breaker is taken into consideration in design terms, without in the process reducing safety, exemplary embodiments include a piston/cylinder arrangement with a plurality of detonation capsules for generating a limited number of connection and disconnection operations in the cylinder in each of the two cylinder subareas which are separated by the piston. | 07-22-2010 |
| 20110297526 | Interchangeable air connector assembly for a pneumatically actuated switching device - A pneumatically actuated switching device includes an electrical connection with a conductive element and an interchangeable air connector assembly having an air conduit for receiving pressurized air from a pneumatic actuator. The pressurized air is directed into the housing of the switching device and forces a conductive plunger against the electrical connection for completing a circuit to produce a signal in a patient call system. The connector assembly has a snap fit connection constructed to selectively position the air conduit at a predetermined angle relative to the electrical connection, i.e. a first snap fit connector position the air conduit at a right angle with the electrical connection, and a second snap fit connector position the air conduit in alignment with the electrical connection. A method includes selectively inserting the first snap fit connector and the second snap fit connector into the housing depending on a desired system configuration. | 12-08-2011 |
| 20090255796 | DIFFERENTIAL ADJUSTMENT MECHANISM FOR PRESSURE SWITCHES - A calibration mechanism for setting the tripping point of a microswitch in a pressure switch has a lower collar fixed to the upper end of the pressure switch push rod, and an upper collar disposed above the lower collar and adapted to actuate the trigger of the microswitch when raised a sufficient distance above the lower collar. The upper and lower collars each have a threaded bore, each with a different thread pitch, plus guide means for keeping the threaded bores aligned for receiving a double-threaded adjustment screw having an upper section threaded to engage the upper collar's threaded bore, and a lower end threaded to engage the lower collar's threaded bore. Due to the different thread pitches, rotation of the adjustment screw will cause gradual movement of the upper collar either toward or away from the lower collar, thus facilitating fine adjustment of the microswitch trigger point. The calibration mechanism may also include a reset mechanism, operable on similar principles to set the mieroswitch's reset point. | 10-15-2009 |
| 20100089738 | HYDROMECHANICAL STORED-ENERGY SPRING MECHANISM - A hydromechanical stored-energy spring mechanism is provided for acting upon high-voltage switches. The mechanism includes a drive cylinder having a piston guided therein. The mechanism also includes a piston rod which is articulated on the piston and which penetrates centrally through a cylinder block provided with a reception bore as a guide for a damping ring. The damping ring is arranged in the reception bore of the cylinder block. The outside of the damping ring bears on the cylinder block housing, and the outside of the damping ring has a protuberance. | 04-15-2010 |
| 20090050466 | Non-contact pressure switch assembly - A non-contact pressure switch assembly for sensing pressure in, e.g., a vehicle. A piston with integrated magnet in a housing is moved under fluid pressure to change a magnetic field in which a Hall sensor is disposed inside the housing. The field changes polarity at the Hall sensor at a predetermined piston position. | 02-26-2009 |
| 20100175980 | PRESSURE SWITCH INCORPORATED TO ELECTRONIC MODULE OF SEVERAL EQUIPMENT - Pressure switch incorporated to electronic module of several equipment where said device is incorporated to the structure ( | 07-15-2010 |
| 200082000 | Micro-switch | 1 |
| 20090127088 | Electronic Pressure Switch with Possibility of Quick Set-Up of the Main Operation Parameters - An electronic pressure switch is described comprising an external body ( | 05-21-2009 |
| 20100051440 | Perforation gun pressure-actuated electrical switches and methods of use - Pressure-actuated electrical switches are provided that comprise a housing having a slidable piston therein. The slidable piston slides from a first position to a second position and in so doing switches an electrical path from a first electrical contact and a second electrical contact to an electrical path between the first electrical contact and a third electrical contact. Suitable applications of such switches include any application in which a pressure wave is used to actuate an electrical switch. The pressure-actuated electrical switches of the present invention are especially adapted for use in controlling successive detonations in a downhole perforation gun, as explosive gases and pressure waves are used to actuate the slidable piston so as to trigger a subsequent detonation charge. Perforation guns utilizing these pressure-actuated electrical switches and corresponding methods of use are also provided herein. | 03-04-2010 |
| 20100089739 | DEVICE FOR BREAKING/MAKING AN ELECTRIC CIRCUIT - The invention relates to a device for switching on and off an electric circuit comprising: a charge ( | 04-15-2010 |
| 20100181182 | BREAKER WITH A GAS DRIVE FOR LOW-VOLTAGE, MEDIUM-VOLTAGE AND HIGH-VOLTAGE SWITCHING DEVICES - An exemplary breaker is disclosed with a gas drive for low-voltage, medium-voltage and high-voltage switching devices, in which disconnection can be generated via detonation capsules. To ensure that a low number of connection and disconnection operations in relation to the total operating duration of the circuit breaker is taken into consideration in design terms, without in the process reducing safety, exemplary embodiments include a piston/cylinder arrangement with a plurality of detonation capsules for generating a limited number of connection and disconnection operations in the cylinder in each of the two cylinder subareas which are separated by the piston. | 07-22-2010 |
| 20110297526 | Interchangeable air connector assembly for a pneumatically actuated switching device - A pneumatically actuated switching device includes an electrical connection with a conductive element and an interchangeable air connector assembly having an air conduit for receiving pressurized air from a pneumatic actuator. The pressurized air is directed into the housing of the switching device and forces a conductive plunger against the electrical connection for completing a circuit to produce a signal in a patient call system. The connector assembly has a snap fit connection constructed to selectively position the air conduit at a predetermined angle relative to the electrical connection, i.e. a first snap fit connector position the air conduit at a right angle with the electrical connection, and a second snap fit connector position the air conduit in alignment with the electrical connection. A method includes selectively inserting the first snap fit connector and the second snap fit connector into the housing depending on a desired system configuration. | 12-08-2011 |
| 20090255796 | DIFFERENTIAL ADJUSTMENT MECHANISM FOR PRESSURE SWITCHES - A calibration mechanism for setting the tripping point of a microswitch in a pressure switch has a lower collar fixed to the upper end of the pressure switch push rod, and an upper collar disposed above the lower collar and adapted to actuate the trigger of the microswitch when raised a sufficient distance above the lower collar. The upper and lower collars each have a threaded bore, each with a different thread pitch, plus guide means for keeping the threaded bores aligned for receiving a double-threaded adjustment screw having an upper section threaded to engage the upper collar's threaded bore, and a lower end threaded to engage the lower collar's threaded bore. Due to the different thread pitches, rotation of the adjustment screw will cause gradual movement of the upper collar either toward or away from the lower collar, thus facilitating fine adjustment of the microswitch trigger point. The calibration mechanism may also include a reset mechanism, operable on similar principles to set the mieroswitch's reset point. | 10-15-2009 |
| 20100089738 | HYDROMECHANICAL STORED-ENERGY SPRING MECHANISM - A hydromechanical stored-energy spring mechanism is provided for acting upon high-voltage switches. The mechanism includes a drive cylinder having a piston guided therein. The mechanism also includes a piston rod which is articulated on the piston and which penetrates centrally through a cylinder block provided with a reception bore as a guide for a damping ring. The damping ring is arranged in the reception bore of the cylinder block. The outside of the damping ring bears on the cylinder block housing, and the outside of the damping ring has a protuberance. | 04-15-2010 |
| 20090050466 | Non-contact pressure switch assembly - A non-contact pressure switch assembly for sensing pressure in, e.g., a vehicle. A piston with integrated magnet in a housing is moved under fluid pressure to change a magnetic field in which a Hall sensor is disposed inside the housing. The field changes polarity at the Hall sensor at a predetermined piston position. | 02-26-2009 |
| 20100175980 | PRESSURE SWITCH INCORPORATED TO ELECTRONIC MODULE OF SEVERAL EQUIPMENT - Pressure switch incorporated to electronic module of several equipment where said device is incorporated to the structure ( | 07-15-2010 |
| 200082000 | Adjustable piston stroke | 1 |
| 20090127088 | Electronic Pressure Switch with Possibility of Quick Set-Up of the Main Operation Parameters - An electronic pressure switch is described comprising an external body ( | 05-21-2009 |
| 20100051440 | Perforation gun pressure-actuated electrical switches and methods of use - Pressure-actuated electrical switches are provided that comprise a housing having a slidable piston therein. The slidable piston slides from a first position to a second position and in so doing switches an electrical path from a first electrical contact and a second electrical contact to an electrical path between the first electrical contact and a third electrical contact. Suitable applications of such switches include any application in which a pressure wave is used to actuate an electrical switch. The pressure-actuated electrical switches of the present invention are especially adapted for use in controlling successive detonations in a downhole perforation gun, as explosive gases and pressure waves are used to actuate the slidable piston so as to trigger a subsequent detonation charge. Perforation guns utilizing these pressure-actuated electrical switches and corresponding methods of use are also provided herein. | 03-04-2010 |
| 20100089739 | DEVICE FOR BREAKING/MAKING AN ELECTRIC CIRCUIT - The invention relates to a device for switching on and off an electric circuit comprising: a charge ( | 04-15-2010 |
| 20100181182 | BREAKER WITH A GAS DRIVE FOR LOW-VOLTAGE, MEDIUM-VOLTAGE AND HIGH-VOLTAGE SWITCHING DEVICES - An exemplary breaker is disclosed with a gas drive for low-voltage, medium-voltage and high-voltage switching devices, in which disconnection can be generated via detonation capsules. To ensure that a low number of connection and disconnection operations in relation to the total operating duration of the circuit breaker is taken into consideration in design terms, without in the process reducing safety, exemplary embodiments include a piston/cylinder arrangement with a plurality of detonation capsules for generating a limited number of connection and disconnection operations in the cylinder in each of the two cylinder subareas which are separated by the piston. | 07-22-2010 |
| 20110297526 | Interchangeable air connector assembly for a pneumatically actuated switching device - A pneumatically actuated switching device includes an electrical connection with a conductive element and an interchangeable air connector assembly having an air conduit for receiving pressurized air from a pneumatic actuator. The pressurized air is directed into the housing of the switching device and forces a conductive plunger against the electrical connection for completing a circuit to produce a signal in a patient call system. The connector assembly has a snap fit connection constructed to selectively position the air conduit at a predetermined angle relative to the electrical connection, i.e. a first snap fit connector position the air conduit at a right angle with the electrical connection, and a second snap fit connector position the air conduit in alignment with the electrical connection. A method includes selectively inserting the first snap fit connector and the second snap fit connector into the housing depending on a desired system configuration. | 12-08-2011 |
| 20090255796 | DIFFERENTIAL ADJUSTMENT MECHANISM FOR PRESSURE SWITCHES - A calibration mechanism for setting the tripping point of a microswitch in a pressure switch has a lower collar fixed to the upper end of the pressure switch push rod, and an upper collar disposed above the lower collar and adapted to actuate the trigger of the microswitch when raised a sufficient distance above the lower collar. The upper and lower collars each have a threaded bore, each with a different thread pitch, plus guide means for keeping the threaded bores aligned for receiving a double-threaded adjustment screw having an upper section threaded to engage the upper collar's threaded bore, and a lower end threaded to engage the lower collar's threaded bore. Due to the different thread pitches, rotation of the adjustment screw will cause gradual movement of the upper collar either toward or away from the lower collar, thus facilitating fine adjustment of the microswitch trigger point. The calibration mechanism may also include a reset mechanism, operable on similar principles to set the mieroswitch's reset point. | 10-15-2009 |
| 20100089738 | HYDROMECHANICAL STORED-ENERGY SPRING MECHANISM - A hydromechanical stored-energy spring mechanism is provided for acting upon high-voltage switches. The mechanism includes a drive cylinder having a piston guided therein. The mechanism also includes a piston rod which is articulated on the piston and which penetrates centrally through a cylinder block provided with a reception bore as a guide for a damping ring. The damping ring is arranged in the reception bore of the cylinder block. The outside of the damping ring bears on the cylinder block housing, and the outside of the damping ring has a protuberance. | 04-15-2010 |
| 20090050466 | Non-contact pressure switch assembly - A non-contact pressure switch assembly for sensing pressure in, e.g., a vehicle. A piston with integrated magnet in a housing is moved under fluid pressure to change a magnetic field in which a Hall sensor is disposed inside the housing. The field changes polarity at the Hall sensor at a predetermined piston position. | 02-26-2009 |
| 20100175980 | PRESSURE SWITCH INCORPORATED TO ELECTRONIC MODULE OF SEVERAL EQUIPMENT - Pressure switch incorporated to electronic module of several equipment where said device is incorporated to the structure ( | 07-15-2010 |
| 200082000 | Magnet | 1 |
| 20090127088 | Electronic Pressure Switch with Possibility of Quick Set-Up of the Main Operation Parameters - An electronic pressure switch is described comprising an external body ( | 05-21-2009 |
| 20100051440 | Perforation gun pressure-actuated electrical switches and methods of use - Pressure-actuated electrical switches are provided that comprise a housing having a slidable piston therein. The slidable piston slides from a first position to a second position and in so doing switches an electrical path from a first electrical contact and a second electrical contact to an electrical path between the first electrical contact and a third electrical contact. Suitable applications of such switches include any application in which a pressure wave is used to actuate an electrical switch. The pressure-actuated electrical switches of the present invention are especially adapted for use in controlling successive detonations in a downhole perforation gun, as explosive gases and pressure waves are used to actuate the slidable piston so as to trigger a subsequent detonation charge. Perforation guns utilizing these pressure-actuated electrical switches and corresponding methods of use are also provided herein. | 03-04-2010 |
| 20100089739 | DEVICE FOR BREAKING/MAKING AN ELECTRIC CIRCUIT - The invention relates to a device for switching on and off an electric circuit comprising: a charge ( | 04-15-2010 |
| 20100181182 | BREAKER WITH A GAS DRIVE FOR LOW-VOLTAGE, MEDIUM-VOLTAGE AND HIGH-VOLTAGE SWITCHING DEVICES - An exemplary breaker is disclosed with a gas drive for low-voltage, medium-voltage and high-voltage switching devices, in which disconnection can be generated via detonation capsules. To ensure that a low number of connection and disconnection operations in relation to the total operating duration of the circuit breaker is taken into consideration in design terms, without in the process reducing safety, exemplary embodiments include a piston/cylinder arrangement with a plurality of detonation capsules for generating a limited number of connection and disconnection operations in the cylinder in each of the two cylinder subareas which are separated by the piston. | 07-22-2010 |
| 20110297526 | Interchangeable air connector assembly for a pneumatically actuated switching device - A pneumatically actuated switching device includes an electrical connection with a conductive element and an interchangeable air connector assembly having an air conduit for receiving pressurized air from a pneumatic actuator. The pressurized air is directed into the housing of the switching device and forces a conductive plunger against the electrical connection for completing a circuit to produce a signal in a patient call system. The connector assembly has a snap fit connection constructed to selectively position the air conduit at a predetermined angle relative to the electrical connection, i.e. a first snap fit connector position the air conduit at a right angle with the electrical connection, and a second snap fit connector position the air conduit in alignment with the electrical connection. A method includes selectively inserting the first snap fit connector and the second snap fit connector into the housing depending on a desired system configuration. | 12-08-2011 |
| 20090255796 | DIFFERENTIAL ADJUSTMENT MECHANISM FOR PRESSURE SWITCHES - A calibration mechanism for setting the tripping point of a microswitch in a pressure switch has a lower collar fixed to the upper end of the pressure switch push rod, and an upper collar disposed above the lower collar and adapted to actuate the trigger of the microswitch when raised a sufficient distance above the lower collar. The upper and lower collars each have a threaded bore, each with a different thread pitch, plus guide means for keeping the threaded bores aligned for receiving a double-threaded adjustment screw having an upper section threaded to engage the upper collar's threaded bore, and a lower end threaded to engage the lower collar's threaded bore. Due to the different thread pitches, rotation of the adjustment screw will cause gradual movement of the upper collar either toward or away from the lower collar, thus facilitating fine adjustment of the microswitch trigger point. The calibration mechanism may also include a reset mechanism, operable on similar principles to set the mieroswitch's reset point. | 10-15-2009 |
| 20100089738 | HYDROMECHANICAL STORED-ENERGY SPRING MECHANISM - A hydromechanical stored-energy spring mechanism is provided for acting upon high-voltage switches. The mechanism includes a drive cylinder having a piston guided therein. The mechanism also includes a piston rod which is articulated on the piston and which penetrates centrally through a cylinder block provided with a reception bore as a guide for a damping ring. The damping ring is arranged in the reception bore of the cylinder block. The outside of the damping ring bears on the cylinder block housing, and the outside of the damping ring has a protuberance. | 04-15-2010 |
| 20090050466 | Non-contact pressure switch assembly - A non-contact pressure switch assembly for sensing pressure in, e.g., a vehicle. A piston with integrated magnet in a housing is moved under fluid pressure to change a magnetic field in which a Hall sensor is disposed inside the housing. The field changes polarity at the Hall sensor at a predetermined piston position. | 02-26-2009 |
| 20100175980 | PRESSURE SWITCH INCORPORATED TO ELECTRONIC MODULE OF SEVERAL EQUIPMENT - Pressure switch incorporated to electronic module of several equipment where said device is incorporated to the structure ( | 07-15-2010 |
| 200083000 | Diaphragm | 17 |
| 20160133409 | METHOD OF MANUFACTURING DIAPHRAGM WITH CONTACT, AND PRESSURE SWITCH INCLUDING DIAPHRAGM WITH CONTACT MADE BY THE METHOD - In a method of manufacturing a diaphragm with a contact, contact stocks each forming a movable contact on a stock formed out of a strip-shaped thin metal sheet material, or a rolled material are bonded at predetermined intervals to the stock by resistance welding, for example to form a diaphragm stock with a contact. Next, the stock of a diaphragm with a contact is subjected to continuous blanking with a predetermined diameter from each movable contact as center to produce a diaphragm with a contact. | 05-12-2016 |
| 20080251372 | COMBINATION PRESSURE SWITCH - A combination switch includes a pressure switch moveable between open and closed positions in response to a working pressure of a fluid; an unloader valve moveable between open and closed positions; and a mechanical interconnection between the pressure switch and the unloader valve operable to move the unloader valve in unison with movement of the pressure switch. | 10-16-2008 |
| 20110042198 | PNEUMATIC SWITCH - A pneumatic switch ( | 02-24-2011 |
| 20140262723 | PNEUMATIC DETECTOR INTEGRATED ALARM AND FAULT SWITCH - An integrated switch to indicate pressure changes in an environment includes a housing with a cavity between a first retainer portion and a second retainer portion, a first diaphragm held in the cavity of the housing to indicate fault conditions, and a second diaphragm held in the cavity of the housing to indicate alarm conditions. | 09-18-2014 |
| 20120199465 | Fluid Pressure Responsive Electric Switch - A pressure responsive electric switch is described having an elongated base containing an electrical switch and terminals. The base is attached to a sensor assembly which actuates and de-actuates the electric switch in response to pressure to be measured. The sensor assembly has a composite actuator member comprising a plurality of stacked snap-acting disc members which includes at least one snap-acting disc member of a chosen low coefficient of thermal expansion and at least one snap-acting disc member of chosen high coefficient of thermal expansion material so as to provide precise pressure activation/deactivation points over a wide temperature range. In a second embodiment, the composite actuator member includes a thermal adjustment member. | 08-09-2012 |
| 20120255851 | Combination Pressure and Temperature Sensor for Simultaneous Temperature and Pressure Analyzing in HVAC Ducts - The present invention is a dual temperature and pressure switch that simultaneously monitors both the duct static pressure and temperature within HVAC ducts. The present invention comprises a differential pressure switch and a temperature probe. The differential pressure switch is triggered if the duct static pressure becomes greater than a prescribed level. A pressure switch diaphragm translates within the differential pressure housing according to the difference of static pressure and atmospheric pressure. The prescribed level is set by an adjustment screw and calibration spring. Each the static pressure probe and the temperature probe traverse through the sensor housing into an HVAC duct to which it is installed. Each the differential pressure switch and temperature probe are electrically connected to a control system through a terminal block. The present invention can include an analog pressure transmitter to analyze the current duct static pressure. | 10-11-2012 |
| 20090014310 | Non-locking switch for filter monitoring - Commercially available filter-monitoring switches suffer from problems related to over sensitivity and reliability. Accordingly, the present inventors have devised, among other things, various embodiments of filter-monitoring switches and related components, subassemblies, methods, and systems. One exemplary filter-monitoring switch includes a diaphragm operably couple to move a conductive element back and forth between a pair of fixed terminals in response to pressure differences across the diaphragm. The conductive element is mounted to an insulative pin of substantially uniform width, and the terminals include leaf contacts that constantly engage the pin or the contacts throughout normal operation of the switch, thereby reducing flexure of the contacts and effectively providing a self-cleaning and self-healing electrical switch. | 01-15-2009 |
| 20090057125 | PRESSURE SWITCH WITH ADJUSTABLE DIFFERENTIAL SETTING - A pressure switch includes a piston that is movably disposed in a sensor housing. The piston moves, in response to a media pressure being applied to a surface thereof, between at least a first piston position and a second piston position. A conical disc spring supplies a non-linear spring force to the piston, and exhibits a spring force hysteresis. A switch engages the piston and is moved between first and second switch states by the piston. The switch exhibits a switch hysteresis. The spring force hysteresis and switching hysteresis are individually adjustable and together may be used to adjust the overall hysteresis of the pressure switch. | 03-05-2009 |
| 20090301858 | Piston holder for pressure switch assembly - A piston holder for a vehicle sensor including a diaphragm deflectable under fluid pressure to move a piston includes a unitary body that in turn defines a cylindrical outer body portion configured for surrounding the piston. The body has an open upper end circumscribed by an outwardly-flared flange and a rounded annular elbow opposite the flange for contacting the diaphragm. An annular skirt extends from the elbow. The skirt includes a first portion oriented radially inwardly and upwardly at an oblique angle to the vertical dimension defined by the outer body portion. An inner bump is formed in the first portion for establishing a contact point with the diaphragm when the holder is deformed, and a second portion extends from the first portion and is oriented parallel to the axial dimension for engaging a channel of the piston. | 12-10-2009 |
| 20090038930 | FOIL-TYPE SWITCHING ELEMENT WITH ENHANCED CARRIER FOIL - A pressure sensor comprises at least one first carrier foil, which is mounted on a supporting element so as to span an active area of said pressure sensor. According to the invention said first carrier foil comprises a material chosen from the group consisting of polyetheretherketone, polyethersulfone, polyphenylsulfone, polysulfone, polycarbonate, copolycarbonate, polyphenylene ether, cyclo-olefin-polymer, polycarbonate/acrylonitrile butadiene styrene, polycarbonate/polybutylene terephthalate, polycarbonate/polyethylene terephthalate, polyphenylene ether/polyamide, or mixtures thereof. | 02-12-2009 |
| 20080197010 | APPARATUS AND METHOD FOR AIR RELIEF IN AN AIR SWITCH - A switch assembly includes a switch operable to generate a signal, and a housing fixedly supporting the switch. The housing has a fluid conduit operable to fluidly connect to a fluid line. The switch assembly also includes a diaphragm supported by the housing and operable to affect the switch. The diaphragm and the housing form a variable volume chamber communicating with the fluid conduit. The diaphragm and the housing also form a fluid bleed passage therebetween. The fluid bleed passage permits controlled fluid flow from the chamber to ambient outside the housing. | 08-21-2008 |
| 20080289945 | Pressure response membrane - Pressure response devices, systems, and associated methods. The pressure response device includes a flange portion, a central portion, and an angled frustum portion provided between the flange portion and the central portion, with the angled frustum portion configured to activate upon experiencing a predetermined pressure differential. Pressure response systems may include a projection, a conductive arch, or a photo emitter configured to indicate a response to the predetermined pressure differential. Pressure response device may be a battery device, with the pressure response member configured to form part of an electrical conducting path until a predetermined pressure condition is reached. | 11-27-2008 |
| 20090229964 | SELF-CLEANING PRESSURE SWITCH WITH A SELF-SEALING DIAPHRAGM - An improved pressure switch comprises a cover assembly, a pair of electrical terminals, a spring, a contact disk, a diaphragm and a banjo housing. The pair of electrical terminals can be partially covered by the cover assembly and the spring can be placed within the cover assembly. The contact disk can tightly be connected with the diaphragm and arranged on top of the spring. When the pressure exceeds a preset pressure level, the diaphragm can be deflected down onto the contact disk, which compresses the spring to contact the terminals. The terminals can be activated for energizing, for example, a hydraulic circuit if the contact disk contacts the terminals. Therefore, the disk can bias itself when the disk makes contact on the top of the terminals, which creates a movement of the disk to provide a self cleaning feature. | 09-17-2009 |
| 20100300863 | PRESSURE SWITCH WITH AN INTEGRATED DIAPHRAGM AND SWITCH - A pressure switch ( | 12-02-2010 |
| 20110303523 | Burst Indicator - A burst indicator ( | 12-15-2011 |
| 20130248346 | METAL DOME PRESSURE SWITCH - Disclosed is a pressure switch that utilizes a dome switch having a flange surrounding the dome. The flange is anchored to a substrate such that the dome portion is in contact with a contact pad on the substrate. A pressure medium applied through passageways in the substrate flexes the dome in an elastic manner so that the dome does not contact the contact pad. When the pressure medium falls below a predetermined threshold level, the dome expands and contacts the contact pad to complete a circuit that indicates that the pressure of the pressure medium has fallen below the threshold level. Preloading force can be created between the dome and the contact pad to ensure a solid electrical connection. The preloading force can also be adjusted. | 09-26-2013 |
| 20160133408 | PRESSURE SWITCH - In a pressure switch including a diaphragm, when the diaphragm of the pressure switch is inverted, a cross-shaped contact face of a fixed contact comes into contact with an annular contact of the diaphragm at four positions. | 05-12-2016 |
| 200083000 | Differential pressure | 1 |
| 20160133409 | METHOD OF MANUFACTURING DIAPHRAGM WITH CONTACT, AND PRESSURE SWITCH INCLUDING DIAPHRAGM WITH CONTACT MADE BY THE METHOD - In a method of manufacturing a diaphragm with a contact, contact stocks each forming a movable contact on a stock formed out of a strip-shaped thin metal sheet material, or a rolled material are bonded at predetermined intervals to the stock by resistance welding, for example to form a diaphragm stock with a contact. Next, the stock of a diaphragm with a contact is subjected to continuous blanking with a predetermined diameter from each movable contact as center to produce a diaphragm with a contact. | 05-12-2016 |
| 20080251372 | COMBINATION PRESSURE SWITCH - A combination switch includes a pressure switch moveable between open and closed positions in response to a working pressure of a fluid; an unloader valve moveable between open and closed positions; and a mechanical interconnection between the pressure switch and the unloader valve operable to move the unloader valve in unison with movement of the pressure switch. | 10-16-2008 |
| 20110042198 | PNEUMATIC SWITCH - A pneumatic switch ( | 02-24-2011 |
| 20140262723 | PNEUMATIC DETECTOR INTEGRATED ALARM AND FAULT SWITCH - An integrated switch to indicate pressure changes in an environment includes a housing with a cavity between a first retainer portion and a second retainer portion, a first diaphragm held in the cavity of the housing to indicate fault conditions, and a second diaphragm held in the cavity of the housing to indicate alarm conditions. | 09-18-2014 |
| 20120199465 | Fluid Pressure Responsive Electric Switch - A pressure responsive electric switch is described having an elongated base containing an electrical switch and terminals. The base is attached to a sensor assembly which actuates and de-actuates the electric switch in response to pressure to be measured. The sensor assembly has a composite actuator member comprising a plurality of stacked snap-acting disc members which includes at least one snap-acting disc member of a chosen low coefficient of thermal expansion and at least one snap-acting disc member of chosen high coefficient of thermal expansion material so as to provide precise pressure activation/deactivation points over a wide temperature range. In a second embodiment, the composite actuator member includes a thermal adjustment member. | 08-09-2012 |
| 20120255851 | Combination Pressure and Temperature Sensor for Simultaneous Temperature and Pressure Analyzing in HVAC Ducts - The present invention is a dual temperature and pressure switch that simultaneously monitors both the duct static pressure and temperature within HVAC ducts. The present invention comprises a differential pressure switch and a temperature probe. The differential pressure switch is triggered if the duct static pressure becomes greater than a prescribed level. A pressure switch diaphragm translates within the differential pressure housing according to the difference of static pressure and atmospheric pressure. The prescribed level is set by an adjustment screw and calibration spring. Each the static pressure probe and the temperature probe traverse through the sensor housing into an HVAC duct to which it is installed. Each the differential pressure switch and temperature probe are electrically connected to a control system through a terminal block. The present invention can include an analog pressure transmitter to analyze the current duct static pressure. | 10-11-2012 |
| 20090014310 | Non-locking switch for filter monitoring - Commercially available filter-monitoring switches suffer from problems related to over sensitivity and reliability. Accordingly, the present inventors have devised, among other things, various embodiments of filter-monitoring switches and related components, subassemblies, methods, and systems. One exemplary filter-monitoring switch includes a diaphragm operably couple to move a conductive element back and forth between a pair of fixed terminals in response to pressure differences across the diaphragm. The conductive element is mounted to an insulative pin of substantially uniform width, and the terminals include leaf contacts that constantly engage the pin or the contacts throughout normal operation of the switch, thereby reducing flexure of the contacts and effectively providing a self-cleaning and self-healing electrical switch. | 01-15-2009 |
| 20090057125 | PRESSURE SWITCH WITH ADJUSTABLE DIFFERENTIAL SETTING - A pressure switch includes a piston that is movably disposed in a sensor housing. The piston moves, in response to a media pressure being applied to a surface thereof, between at least a first piston position and a second piston position. A conical disc spring supplies a non-linear spring force to the piston, and exhibits a spring force hysteresis. A switch engages the piston and is moved between first and second switch states by the piston. The switch exhibits a switch hysteresis. The spring force hysteresis and switching hysteresis are individually adjustable and together may be used to adjust the overall hysteresis of the pressure switch. | 03-05-2009 |
| 20090301858 | Piston holder for pressure switch assembly - A piston holder for a vehicle sensor including a diaphragm deflectable under fluid pressure to move a piston includes a unitary body that in turn defines a cylindrical outer body portion configured for surrounding the piston. The body has an open upper end circumscribed by an outwardly-flared flange and a rounded annular elbow opposite the flange for contacting the diaphragm. An annular skirt extends from the elbow. The skirt includes a first portion oriented radially inwardly and upwardly at an oblique angle to the vertical dimension defined by the outer body portion. An inner bump is formed in the first portion for establishing a contact point with the diaphragm when the holder is deformed, and a second portion extends from the first portion and is oriented parallel to the axial dimension for engaging a channel of the piston. | 12-10-2009 |
| 20090038930 | FOIL-TYPE SWITCHING ELEMENT WITH ENHANCED CARRIER FOIL - A pressure sensor comprises at least one first carrier foil, which is mounted on a supporting element so as to span an active area of said pressure sensor. According to the invention said first carrier foil comprises a material chosen from the group consisting of polyetheretherketone, polyethersulfone, polyphenylsulfone, polysulfone, polycarbonate, copolycarbonate, polyphenylene ether, cyclo-olefin-polymer, polycarbonate/acrylonitrile butadiene styrene, polycarbonate/polybutylene terephthalate, polycarbonate/polyethylene terephthalate, polyphenylene ether/polyamide, or mixtures thereof. | 02-12-2009 |
| 20080197010 | APPARATUS AND METHOD FOR AIR RELIEF IN AN AIR SWITCH - A switch assembly includes a switch operable to generate a signal, and a housing fixedly supporting the switch. The housing has a fluid conduit operable to fluidly connect to a fluid line. The switch assembly also includes a diaphragm supported by the housing and operable to affect the switch. The diaphragm and the housing form a variable volume chamber communicating with the fluid conduit. The diaphragm and the housing also form a fluid bleed passage therebetween. The fluid bleed passage permits controlled fluid flow from the chamber to ambient outside the housing. | 08-21-2008 |
| 20080289945 | Pressure response membrane - Pressure response devices, systems, and associated methods. The pressure response device includes a flange portion, a central portion, and an angled frustum portion provided between the flange portion and the central portion, with the angled frustum portion configured to activate upon experiencing a predetermined pressure differential. Pressure response systems may include a projection, a conductive arch, or a photo emitter configured to indicate a response to the predetermined pressure differential. Pressure response device may be a battery device, with the pressure response member configured to form part of an electrical conducting path until a predetermined pressure condition is reached. | 11-27-2008 |
| 20090229964 | SELF-CLEANING PRESSURE SWITCH WITH A SELF-SEALING DIAPHRAGM - An improved pressure switch comprises a cover assembly, a pair of electrical terminals, a spring, a contact disk, a diaphragm and a banjo housing. The pair of electrical terminals can be partially covered by the cover assembly and the spring can be placed within the cover assembly. The contact disk can tightly be connected with the diaphragm and arranged on top of the spring. When the pressure exceeds a preset pressure level, the diaphragm can be deflected down onto the contact disk, which compresses the spring to contact the terminals. The terminals can be activated for energizing, for example, a hydraulic circuit if the contact disk contacts the terminals. Therefore, the disk can bias itself when the disk makes contact on the top of the terminals, which creates a movement of the disk to provide a self cleaning feature. | 09-17-2009 |
| 20100300863 | PRESSURE SWITCH WITH AN INTEGRATED DIAPHRAGM AND SWITCH - A pressure switch ( | 12-02-2010 |
| 20110303523 | Burst Indicator - A burst indicator ( | 12-15-2011 |
| 20130248346 | METAL DOME PRESSURE SWITCH - Disclosed is a pressure switch that utilizes a dome switch having a flange surrounding the dome. The flange is anchored to a substrate such that the dome portion is in contact with a contact pad on the substrate. A pressure medium applied through passageways in the substrate flexes the dome in an elastic manner so that the dome does not contact the contact pad. When the pressure medium falls below a predetermined threshold level, the dome expands and contacts the contact pad to complete a circuit that indicates that the pressure of the pressure medium has fallen below the threshold level. Preloading force can be created between the dome and the contact pad to ensure a solid electrical connection. The preloading force can also be adjusted. | 09-26-2013 |
| 20160133408 | PRESSURE SWITCH - In a pressure switch including a diaphragm, when the diaphragm of the pressure switch is inverted, a cross-shaped contact face of a fixed contact comes into contact with an annular contact of the diaphragm at four positions. | 05-12-2016 |
| 200083000 | Special diaphragm | 1 |
| 20160133409 | METHOD OF MANUFACTURING DIAPHRAGM WITH CONTACT, AND PRESSURE SWITCH INCLUDING DIAPHRAGM WITH CONTACT MADE BY THE METHOD - In a method of manufacturing a diaphragm with a contact, contact stocks each forming a movable contact on a stock formed out of a strip-shaped thin metal sheet material, or a rolled material are bonded at predetermined intervals to the stock by resistance welding, for example to form a diaphragm stock with a contact. Next, the stock of a diaphragm with a contact is subjected to continuous blanking with a predetermined diameter from each movable contact as center to produce a diaphragm with a contact. | 05-12-2016 |
| 20080251372 | COMBINATION PRESSURE SWITCH - A combination switch includes a pressure switch moveable between open and closed positions in response to a working pressure of a fluid; an unloader valve moveable between open and closed positions; and a mechanical interconnection between the pressure switch and the unloader valve operable to move the unloader valve in unison with movement of the pressure switch. | 10-16-2008 |
| 20110042198 | PNEUMATIC SWITCH - A pneumatic switch ( | 02-24-2011 |
| 20140262723 | PNEUMATIC DETECTOR INTEGRATED ALARM AND FAULT SWITCH - An integrated switch to indicate pressure changes in an environment includes a housing with a cavity between a first retainer portion and a second retainer portion, a first diaphragm held in the cavity of the housing to indicate fault conditions, and a second diaphragm held in the cavity of the housing to indicate alarm conditions. | 09-18-2014 |
| 20120199465 | Fluid Pressure Responsive Electric Switch - A pressure responsive electric switch is described having an elongated base containing an electrical switch and terminals. The base is attached to a sensor assembly which actuates and de-actuates the electric switch in response to pressure to be measured. The sensor assembly has a composite actuator member comprising a plurality of stacked snap-acting disc members which includes at least one snap-acting disc member of a chosen low coefficient of thermal expansion and at least one snap-acting disc member of chosen high coefficient of thermal expansion material so as to provide precise pressure activation/deactivation points over a wide temperature range. In a second embodiment, the composite actuator member includes a thermal adjustment member. | 08-09-2012 |
| 20120255851 | Combination Pressure and Temperature Sensor for Simultaneous Temperature and Pressure Analyzing in HVAC Ducts - The present invention is a dual temperature and pressure switch that simultaneously monitors both the duct static pressure and temperature within HVAC ducts. The present invention comprises a differential pressure switch and a temperature probe. The differential pressure switch is triggered if the duct static pressure becomes greater than a prescribed level. A pressure switch diaphragm translates within the differential pressure housing according to the difference of static pressure and atmospheric pressure. The prescribed level is set by an adjustment screw and calibration spring. Each the static pressure probe and the temperature probe traverse through the sensor housing into an HVAC duct to which it is installed. Each the differential pressure switch and temperature probe are electrically connected to a control system through a terminal block. The present invention can include an analog pressure transmitter to analyze the current duct static pressure. | 10-11-2012 |
| 20090014310 | Non-locking switch for filter monitoring - Commercially available filter-monitoring switches suffer from problems related to over sensitivity and reliability. Accordingly, the present inventors have devised, among other things, various embodiments of filter-monitoring switches and related components, subassemblies, methods, and systems. One exemplary filter-monitoring switch includes a diaphragm operably couple to move a conductive element back and forth between a pair of fixed terminals in response to pressure differences across the diaphragm. The conductive element is mounted to an insulative pin of substantially uniform width, and the terminals include leaf contacts that constantly engage the pin or the contacts throughout normal operation of the switch, thereby reducing flexure of the contacts and effectively providing a self-cleaning and self-healing electrical switch. | 01-15-2009 |
| 20090057125 | PRESSURE SWITCH WITH ADJUSTABLE DIFFERENTIAL SETTING - A pressure switch includes a piston that is movably disposed in a sensor housing. The piston moves, in response to a media pressure being applied to a surface thereof, between at least a first piston position and a second piston position. A conical disc spring supplies a non-linear spring force to the piston, and exhibits a spring force hysteresis. A switch engages the piston and is moved between first and second switch states by the piston. The switch exhibits a switch hysteresis. The spring force hysteresis and switching hysteresis are individually adjustable and together may be used to adjust the overall hysteresis of the pressure switch. | 03-05-2009 |
| 20090301858 | Piston holder for pressure switch assembly - A piston holder for a vehicle sensor including a diaphragm deflectable under fluid pressure to move a piston includes a unitary body that in turn defines a cylindrical outer body portion configured for surrounding the piston. The body has an open upper end circumscribed by an outwardly-flared flange and a rounded annular elbow opposite the flange for contacting the diaphragm. An annular skirt extends from the elbow. The skirt includes a first portion oriented radially inwardly and upwardly at an oblique angle to the vertical dimension defined by the outer body portion. An inner bump is formed in the first portion for establishing a contact point with the diaphragm when the holder is deformed, and a second portion extends from the first portion and is oriented parallel to the axial dimension for engaging a channel of the piston. | 12-10-2009 |
| 20090038930 | FOIL-TYPE SWITCHING ELEMENT WITH ENHANCED CARRIER FOIL - A pressure sensor comprises at least one first carrier foil, which is mounted on a supporting element so as to span an active area of said pressure sensor. According to the invention said first carrier foil comprises a material chosen from the group consisting of polyetheretherketone, polyethersulfone, polyphenylsulfone, polysulfone, polycarbonate, copolycarbonate, polyphenylene ether, cyclo-olefin-polymer, polycarbonate/acrylonitrile butadiene styrene, polycarbonate/polybutylene terephthalate, polycarbonate/polyethylene terephthalate, polyphenylene ether/polyamide, or mixtures thereof. | 02-12-2009 |
| 20080197010 | APPARATUS AND METHOD FOR AIR RELIEF IN AN AIR SWITCH - A switch assembly includes a switch operable to generate a signal, and a housing fixedly supporting the switch. The housing has a fluid conduit operable to fluidly connect to a fluid line. The switch assembly also includes a diaphragm supported by the housing and operable to affect the switch. The diaphragm and the housing form a variable volume chamber communicating with the fluid conduit. The diaphragm and the housing also form a fluid bleed passage therebetween. The fluid bleed passage permits controlled fluid flow from the chamber to ambient outside the housing. | 08-21-2008 |
| 20080289945 | Pressure response membrane - Pressure response devices, systems, and associated methods. The pressure response device includes a flange portion, a central portion, and an angled frustum portion provided between the flange portion and the central portion, with the angled frustum portion configured to activate upon experiencing a predetermined pressure differential. Pressure response systems may include a projection, a conductive arch, or a photo emitter configured to indicate a response to the predetermined pressure differential. Pressure response device may be a battery device, with the pressure response member configured to form part of an electrical conducting path until a predetermined pressure condition is reached. | 11-27-2008 |
| 20090229964 | SELF-CLEANING PRESSURE SWITCH WITH A SELF-SEALING DIAPHRAGM - An improved pressure switch comprises a cover assembly, a pair of electrical terminals, a spring, a contact disk, a diaphragm and a banjo housing. The pair of electrical terminals can be partially covered by the cover assembly and the spring can be placed within the cover assembly. The contact disk can tightly be connected with the diaphragm and arranged on top of the spring. When the pressure exceeds a preset pressure level, the diaphragm can be deflected down onto the contact disk, which compresses the spring to contact the terminals. The terminals can be activated for energizing, for example, a hydraulic circuit if the contact disk contacts the terminals. Therefore, the disk can bias itself when the disk makes contact on the top of the terminals, which creates a movement of the disk to provide a self cleaning feature. | 09-17-2009 |
| 20100300863 | PRESSURE SWITCH WITH AN INTEGRATED DIAPHRAGM AND SWITCH - A pressure switch ( | 12-02-2010 |
| 20110303523 | Burst Indicator - A burst indicator ( | 12-15-2011 |
| 20130248346 | METAL DOME PRESSURE SWITCH - Disclosed is a pressure switch that utilizes a dome switch having a flange surrounding the dome. The flange is anchored to a substrate such that the dome portion is in contact with a contact pad on the substrate. A pressure medium applied through passageways in the substrate flexes the dome in an elastic manner so that the dome does not contact the contact pad. When the pressure medium falls below a predetermined threshold level, the dome expands and contacts the contact pad to complete a circuit that indicates that the pressure of the pressure medium has fallen below the threshold level. Preloading force can be created between the dome and the contact pad to ensure a solid electrical connection. The preloading force can also be adjusted. | 09-26-2013 |
| 20160133408 | PRESSURE SWITCH - In a pressure switch including a diaphragm, when the diaphragm of the pressure switch is inverted, a cross-shaped contact face of a fixed contact comes into contact with an annular contact of the diaphragm at four positions. | 05-12-2016 |
| 200083000 | Piston and diaphragm | 3 |
| 20160133409 | METHOD OF MANUFACTURING DIAPHRAGM WITH CONTACT, AND PRESSURE SWITCH INCLUDING DIAPHRAGM WITH CONTACT MADE BY THE METHOD - In a method of manufacturing a diaphragm with a contact, contact stocks each forming a movable contact on a stock formed out of a strip-shaped thin metal sheet material, or a rolled material are bonded at predetermined intervals to the stock by resistance welding, for example to form a diaphragm stock with a contact. Next, the stock of a diaphragm with a contact is subjected to continuous blanking with a predetermined diameter from each movable contact as center to produce a diaphragm with a contact. | 05-12-2016 |
| 20080251372 | COMBINATION PRESSURE SWITCH - A combination switch includes a pressure switch moveable between open and closed positions in response to a working pressure of a fluid; an unloader valve moveable between open and closed positions; and a mechanical interconnection between the pressure switch and the unloader valve operable to move the unloader valve in unison with movement of the pressure switch. | 10-16-2008 |
| 20110042198 | PNEUMATIC SWITCH - A pneumatic switch ( | 02-24-2011 |
| 20140262723 | PNEUMATIC DETECTOR INTEGRATED ALARM AND FAULT SWITCH - An integrated switch to indicate pressure changes in an environment includes a housing with a cavity between a first retainer portion and a second retainer portion, a first diaphragm held in the cavity of the housing to indicate fault conditions, and a second diaphragm held in the cavity of the housing to indicate alarm conditions. | 09-18-2014 |
| 20120199465 | Fluid Pressure Responsive Electric Switch - A pressure responsive electric switch is described having an elongated base containing an electrical switch and terminals. The base is attached to a sensor assembly which actuates and de-actuates the electric switch in response to pressure to be measured. The sensor assembly has a composite actuator member comprising a plurality of stacked snap-acting disc members which includes at least one snap-acting disc member of a chosen low coefficient of thermal expansion and at least one snap-acting disc member of chosen high coefficient of thermal expansion material so as to provide precise pressure activation/deactivation points over a wide temperature range. In a second embodiment, the composite actuator member includes a thermal adjustment member. | 08-09-2012 |
| 20120255851 | Combination Pressure and Temperature Sensor for Simultaneous Temperature and Pressure Analyzing in HVAC Ducts - The present invention is a dual temperature and pressure switch that simultaneously monitors both the duct static pressure and temperature within HVAC ducts. The present invention comprises a differential pressure switch and a temperature probe. The differential pressure switch is triggered if the duct static pressure becomes greater than a prescribed level. A pressure switch diaphragm translates within the differential pressure housing according to the difference of static pressure and atmospheric pressure. The prescribed level is set by an adjustment screw and calibration spring. Each the static pressure probe and the temperature probe traverse through the sensor housing into an HVAC duct to which it is installed. Each the differential pressure switch and temperature probe are electrically connected to a control system through a terminal block. The present invention can include an analog pressure transmitter to analyze the current duct static pressure. | 10-11-2012 |
| 20090014310 | Non-locking switch for filter monitoring - Commercially available filter-monitoring switches suffer from problems related to over sensitivity and reliability. Accordingly, the present inventors have devised, among other things, various embodiments of filter-monitoring switches and related components, subassemblies, methods, and systems. One exemplary filter-monitoring switch includes a diaphragm operably couple to move a conductive element back and forth between a pair of fixed terminals in response to pressure differences across the diaphragm. The conductive element is mounted to an insulative pin of substantially uniform width, and the terminals include leaf contacts that constantly engage the pin or the contacts throughout normal operation of the switch, thereby reducing flexure of the contacts and effectively providing a self-cleaning and self-healing electrical switch. | 01-15-2009 |
| 20090057125 | PRESSURE SWITCH WITH ADJUSTABLE DIFFERENTIAL SETTING - A pressure switch includes a piston that is movably disposed in a sensor housing. The piston moves, in response to a media pressure being applied to a surface thereof, between at least a first piston position and a second piston position. A conical disc spring supplies a non-linear spring force to the piston, and exhibits a spring force hysteresis. A switch engages the piston and is moved between first and second switch states by the piston. The switch exhibits a switch hysteresis. The spring force hysteresis and switching hysteresis are individually adjustable and together may be used to adjust the overall hysteresis of the pressure switch. | 03-05-2009 |
| 20090301858 | Piston holder for pressure switch assembly - A piston holder for a vehicle sensor including a diaphragm deflectable under fluid pressure to move a piston includes a unitary body that in turn defines a cylindrical outer body portion configured for surrounding the piston. The body has an open upper end circumscribed by an outwardly-flared flange and a rounded annular elbow opposite the flange for contacting the diaphragm. An annular skirt extends from the elbow. The skirt includes a first portion oriented radially inwardly and upwardly at an oblique angle to the vertical dimension defined by the outer body portion. An inner bump is formed in the first portion for establishing a contact point with the diaphragm when the holder is deformed, and a second portion extends from the first portion and is oriented parallel to the axial dimension for engaging a channel of the piston. | 12-10-2009 |
| 20090038930 | FOIL-TYPE SWITCHING ELEMENT WITH ENHANCED CARRIER FOIL - A pressure sensor comprises at least one first carrier foil, which is mounted on a supporting element so as to span an active area of said pressure sensor. According to the invention said first carrier foil comprises a material chosen from the group consisting of polyetheretherketone, polyethersulfone, polyphenylsulfone, polysulfone, polycarbonate, copolycarbonate, polyphenylene ether, cyclo-olefin-polymer, polycarbonate/acrylonitrile butadiene styrene, polycarbonate/polybutylene terephthalate, polycarbonate/polyethylene terephthalate, polyphenylene ether/polyamide, or mixtures thereof. | 02-12-2009 |
| 20080197010 | APPARATUS AND METHOD FOR AIR RELIEF IN AN AIR SWITCH - A switch assembly includes a switch operable to generate a signal, and a housing fixedly supporting the switch. The housing has a fluid conduit operable to fluidly connect to a fluid line. The switch assembly also includes a diaphragm supported by the housing and operable to affect the switch. The diaphragm and the housing form a variable volume chamber communicating with the fluid conduit. The diaphragm and the housing also form a fluid bleed passage therebetween. The fluid bleed passage permits controlled fluid flow from the chamber to ambient outside the housing. | 08-21-2008 |
| 20080289945 | Pressure response membrane - Pressure response devices, systems, and associated methods. The pressure response device includes a flange portion, a central portion, and an angled frustum portion provided between the flange portion and the central portion, with the angled frustum portion configured to activate upon experiencing a predetermined pressure differential. Pressure response systems may include a projection, a conductive arch, or a photo emitter configured to indicate a response to the predetermined pressure differential. Pressure response device may be a battery device, with the pressure response member configured to form part of an electrical conducting path until a predetermined pressure condition is reached. | 11-27-2008 |
| 20090229964 | SELF-CLEANING PRESSURE SWITCH WITH A SELF-SEALING DIAPHRAGM - An improved pressure switch comprises a cover assembly, a pair of electrical terminals, a spring, a contact disk, a diaphragm and a banjo housing. The pair of electrical terminals can be partially covered by the cover assembly and the spring can be placed within the cover assembly. The contact disk can tightly be connected with the diaphragm and arranged on top of the spring. When the pressure exceeds a preset pressure level, the diaphragm can be deflected down onto the contact disk, which compresses the spring to contact the terminals. The terminals can be activated for energizing, for example, a hydraulic circuit if the contact disk contacts the terminals. Therefore, the disk can bias itself when the disk makes contact on the top of the terminals, which creates a movement of the disk to provide a self cleaning feature. | 09-17-2009 |
| 20100300863 | PRESSURE SWITCH WITH AN INTEGRATED DIAPHRAGM AND SWITCH - A pressure switch ( | 12-02-2010 |
| 20110303523 | Burst Indicator - A burst indicator ( | 12-15-2011 |
| 20130248346 | METAL DOME PRESSURE SWITCH - Disclosed is a pressure switch that utilizes a dome switch having a flange surrounding the dome. The flange is anchored to a substrate such that the dome portion is in contact with a contact pad on the substrate. A pressure medium applied through passageways in the substrate flexes the dome in an elastic manner so that the dome does not contact the contact pad. When the pressure medium falls below a predetermined threshold level, the dome expands and contacts the contact pad to complete a circuit that indicates that the pressure of the pressure medium has fallen below the threshold level. Preloading force can be created between the dome and the contact pad to ensure a solid electrical connection. The preloading force can also be adjusted. | 09-26-2013 |
| 20160133408 | PRESSURE SWITCH - In a pressure switch including a diaphragm, when the diaphragm of the pressure switch is inverted, a cross-shaped contact face of a fixed contact comes into contact with an annular contact of the diaphragm at four positions. | 05-12-2016 |
| 200083000 | Contacts on diaphragm | 1 |
| 20160133409 | METHOD OF MANUFACTURING DIAPHRAGM WITH CONTACT, AND PRESSURE SWITCH INCLUDING DIAPHRAGM WITH CONTACT MADE BY THE METHOD - In a method of manufacturing a diaphragm with a contact, contact stocks each forming a movable contact on a stock formed out of a strip-shaped thin metal sheet material, or a rolled material are bonded at predetermined intervals to the stock by resistance welding, for example to form a diaphragm stock with a contact. Next, the stock of a diaphragm with a contact is subjected to continuous blanking with a predetermined diameter from each movable contact as center to produce a diaphragm with a contact. | 05-12-2016 |
| 20080251372 | COMBINATION PRESSURE SWITCH - A combination switch includes a pressure switch moveable between open and closed positions in response to a working pressure of a fluid; an unloader valve moveable between open and closed positions; and a mechanical interconnection between the pressure switch and the unloader valve operable to move the unloader valve in unison with movement of the pressure switch. | 10-16-2008 |
| 20110042198 | PNEUMATIC SWITCH - A pneumatic switch ( | 02-24-2011 |
| 20140262723 | PNEUMATIC DETECTOR INTEGRATED ALARM AND FAULT SWITCH - An integrated switch to indicate pressure changes in an environment includes a housing with a cavity between a first retainer portion and a second retainer portion, a first diaphragm held in the cavity of the housing to indicate fault conditions, and a second diaphragm held in the cavity of the housing to indicate alarm conditions. | 09-18-2014 |
| 20120199465 | Fluid Pressure Responsive Electric Switch - A pressure responsive electric switch is described having an elongated base containing an electrical switch and terminals. The base is attached to a sensor assembly which actuates and de-actuates the electric switch in response to pressure to be measured. The sensor assembly has a composite actuator member comprising a plurality of stacked snap-acting disc members which includes at least one snap-acting disc member of a chosen low coefficient of thermal expansion and at least one snap-acting disc member of chosen high coefficient of thermal expansion material so as to provide precise pressure activation/deactivation points over a wide temperature range. In a second embodiment, the composite actuator member includes a thermal adjustment member. | 08-09-2012 |
| 20120255851 | Combination Pressure and Temperature Sensor for Simultaneous Temperature and Pressure Analyzing in HVAC Ducts - The present invention is a dual temperature and pressure switch that simultaneously monitors both the duct static pressure and temperature within HVAC ducts. The present invention comprises a differential pressure switch and a temperature probe. The differential pressure switch is triggered if the duct static pressure becomes greater than a prescribed level. A pressure switch diaphragm translates within the differential pressure housing according to the difference of static pressure and atmospheric pressure. The prescribed level is set by an adjustment screw and calibration spring. Each the static pressure probe and the temperature probe traverse through the sensor housing into an HVAC duct to which it is installed. Each the differential pressure switch and temperature probe are electrically connected to a control system through a terminal block. The present invention can include an analog pressure transmitter to analyze the current duct static pressure. | 10-11-2012 |
| 20090014310 | Non-locking switch for filter monitoring - Commercially available filter-monitoring switches suffer from problems related to over sensitivity and reliability. Accordingly, the present inventors have devised, among other things, various embodiments of filter-monitoring switches and related components, subassemblies, methods, and systems. One exemplary filter-monitoring switch includes a diaphragm operably couple to move a conductive element back and forth between a pair of fixed terminals in response to pressure differences across the diaphragm. The conductive element is mounted to an insulative pin of substantially uniform width, and the terminals include leaf contacts that constantly engage the pin or the contacts throughout normal operation of the switch, thereby reducing flexure of the contacts and effectively providing a self-cleaning and self-healing electrical switch. | 01-15-2009 |
| 20090057125 | PRESSURE SWITCH WITH ADJUSTABLE DIFFERENTIAL SETTING - A pressure switch includes a piston that is movably disposed in a sensor housing. The piston moves, in response to a media pressure being applied to a surface thereof, between at least a first piston position and a second piston position. A conical disc spring supplies a non-linear spring force to the piston, and exhibits a spring force hysteresis. A switch engages the piston and is moved between first and second switch states by the piston. The switch exhibits a switch hysteresis. The spring force hysteresis and switching hysteresis are individually adjustable and together may be used to adjust the overall hysteresis of the pressure switch. | 03-05-2009 |
| 20090301858 | Piston holder for pressure switch assembly - A piston holder for a vehicle sensor including a diaphragm deflectable under fluid pressure to move a piston includes a unitary body that in turn defines a cylindrical outer body portion configured for surrounding the piston. The body has an open upper end circumscribed by an outwardly-flared flange and a rounded annular elbow opposite the flange for contacting the diaphragm. An annular skirt extends from the elbow. The skirt includes a first portion oriented radially inwardly and upwardly at an oblique angle to the vertical dimension defined by the outer body portion. An inner bump is formed in the first portion for establishing a contact point with the diaphragm when the holder is deformed, and a second portion extends from the first portion and is oriented parallel to the axial dimension for engaging a channel of the piston. | 12-10-2009 |
| 20090038930 | FOIL-TYPE SWITCHING ELEMENT WITH ENHANCED CARRIER FOIL - A pressure sensor comprises at least one first carrier foil, which is mounted on a supporting element so as to span an active area of said pressure sensor. According to the invention said first carrier foil comprises a material chosen from the group consisting of polyetheretherketone, polyethersulfone, polyphenylsulfone, polysulfone, polycarbonate, copolycarbonate, polyphenylene ether, cyclo-olefin-polymer, polycarbonate/acrylonitrile butadiene styrene, polycarbonate/polybutylene terephthalate, polycarbonate/polyethylene terephthalate, polyphenylene ether/polyamide, or mixtures thereof. | 02-12-2009 |
| 20080197010 | APPARATUS AND METHOD FOR AIR RELIEF IN AN AIR SWITCH - A switch assembly includes a switch operable to generate a signal, and a housing fixedly supporting the switch. The housing has a fluid conduit operable to fluidly connect to a fluid line. The switch assembly also includes a diaphragm supported by the housing and operable to affect the switch. The diaphragm and the housing form a variable volume chamber communicating with the fluid conduit. The diaphragm and the housing also form a fluid bleed passage therebetween. The fluid bleed passage permits controlled fluid flow from the chamber to ambient outside the housing. | 08-21-2008 |
| 20080289945 | Pressure response membrane - Pressure response devices, systems, and associated methods. The pressure response device includes a flange portion, a central portion, and an angled frustum portion provided between the flange portion and the central portion, with the angled frustum portion configured to activate upon experiencing a predetermined pressure differential. Pressure response systems may include a projection, a conductive arch, or a photo emitter configured to indicate a response to the predetermined pressure differential. Pressure response device may be a battery device, with the pressure response member configured to form part of an electrical conducting path until a predetermined pressure condition is reached. | 11-27-2008 |
| 20090229964 | SELF-CLEANING PRESSURE SWITCH WITH A SELF-SEALING DIAPHRAGM - An improved pressure switch comprises a cover assembly, a pair of electrical terminals, a spring, a contact disk, a diaphragm and a banjo housing. The pair of electrical terminals can be partially covered by the cover assembly and the spring can be placed within the cover assembly. The contact disk can tightly be connected with the diaphragm and arranged on top of the spring. When the pressure exceeds a preset pressure level, the diaphragm can be deflected down onto the contact disk, which compresses the spring to contact the terminals. The terminals can be activated for energizing, for example, a hydraulic circuit if the contact disk contacts the terminals. Therefore, the disk can bias itself when the disk makes contact on the top of the terminals, which creates a movement of the disk to provide a self cleaning feature. | 09-17-2009 |
| 20100300863 | PRESSURE SWITCH WITH AN INTEGRATED DIAPHRAGM AND SWITCH - A pressure switch ( | 12-02-2010 |
| 20110303523 | Burst Indicator - A burst indicator ( | 12-15-2011 |
| 20130248346 | METAL DOME PRESSURE SWITCH - Disclosed is a pressure switch that utilizes a dome switch having a flange surrounding the dome. The flange is anchored to a substrate such that the dome portion is in contact with a contact pad on the substrate. A pressure medium applied through passageways in the substrate flexes the dome in an elastic manner so that the dome does not contact the contact pad. When the pressure medium falls below a predetermined threshold level, the dome expands and contacts the contact pad to complete a circuit that indicates that the pressure of the pressure medium has fallen below the threshold level. Preloading force can be created between the dome and the contact pad to ensure a solid electrical connection. The preloading force can also be adjusted. | 09-26-2013 |
| 20160133408 | PRESSURE SWITCH - In a pressure switch including a diaphragm, when the diaphragm of the pressure switch is inverted, a cross-shaped contact face of a fixed contact comes into contact with an annular contact of the diaphragm at four positions. | 05-12-2016 |
| 200083000 | Snap action | 1 |
| 20160133409 | METHOD OF MANUFACTURING DIAPHRAGM WITH CONTACT, AND PRESSURE SWITCH INCLUDING DIAPHRAGM WITH CONTACT MADE BY THE METHOD - In a method of manufacturing a diaphragm with a contact, contact stocks each forming a movable contact on a stock formed out of a strip-shaped thin metal sheet material, or a rolled material are bonded at predetermined intervals to the stock by resistance welding, for example to form a diaphragm stock with a contact. Next, the stock of a diaphragm with a contact is subjected to continuous blanking with a predetermined diameter from each movable contact as center to produce a diaphragm with a contact. | 05-12-2016 |
| 20080251372 | COMBINATION PRESSURE SWITCH - A combination switch includes a pressure switch moveable between open and closed positions in response to a working pressure of a fluid; an unloader valve moveable between open and closed positions; and a mechanical interconnection between the pressure switch and the unloader valve operable to move the unloader valve in unison with movement of the pressure switch. | 10-16-2008 |
| 20110042198 | PNEUMATIC SWITCH - A pneumatic switch ( | 02-24-2011 |
| 20140262723 | PNEUMATIC DETECTOR INTEGRATED ALARM AND FAULT SWITCH - An integrated switch to indicate pressure changes in an environment includes a housing with a cavity between a first retainer portion and a second retainer portion, a first diaphragm held in the cavity of the housing to indicate fault conditions, and a second diaphragm held in the cavity of the housing to indicate alarm conditions. | 09-18-2014 |
| 20120199465 | Fluid Pressure Responsive Electric Switch - A pressure responsive electric switch is described having an elongated base containing an electrical switch and terminals. The base is attached to a sensor assembly which actuates and de-actuates the electric switch in response to pressure to be measured. The sensor assembly has a composite actuator member comprising a plurality of stacked snap-acting disc members which includes at least one snap-acting disc member of a chosen low coefficient of thermal expansion and at least one snap-acting disc member of chosen high coefficient of thermal expansion material so as to provide precise pressure activation/deactivation points over a wide temperature range. In a second embodiment, the composite actuator member includes a thermal adjustment member. | 08-09-2012 |
| 20120255851 | Combination Pressure and Temperature Sensor for Simultaneous Temperature and Pressure Analyzing in HVAC Ducts - The present invention is a dual temperature and pressure switch that simultaneously monitors both the duct static pressure and temperature within HVAC ducts. The present invention comprises a differential pressure switch and a temperature probe. The differential pressure switch is triggered if the duct static pressure becomes greater than a prescribed level. A pressure switch diaphragm translates within the differential pressure housing according to the difference of static pressure and atmospheric pressure. The prescribed level is set by an adjustment screw and calibration spring. Each the static pressure probe and the temperature probe traverse through the sensor housing into an HVAC duct to which it is installed. Each the differential pressure switch and temperature probe are electrically connected to a control system through a terminal block. The present invention can include an analog pressure transmitter to analyze the current duct static pressure. | 10-11-2012 |
| 20090014310 | Non-locking switch for filter monitoring - Commercially available filter-monitoring switches suffer from problems related to over sensitivity and reliability. Accordingly, the present inventors have devised, among other things, various embodiments of filter-monitoring switches and related components, subassemblies, methods, and systems. One exemplary filter-monitoring switch includes a diaphragm operably couple to move a conductive element back and forth between a pair of fixed terminals in response to pressure differences across the diaphragm. The conductive element is mounted to an insulative pin of substantially uniform width, and the terminals include leaf contacts that constantly engage the pin or the contacts throughout normal operation of the switch, thereby reducing flexure of the contacts and effectively providing a self-cleaning and self-healing electrical switch. | 01-15-2009 |
| 20090057125 | PRESSURE SWITCH WITH ADJUSTABLE DIFFERENTIAL SETTING - A pressure switch includes a piston that is movably disposed in a sensor housing. The piston moves, in response to a media pressure being applied to a surface thereof, between at least a first piston position and a second piston position. A conical disc spring supplies a non-linear spring force to the piston, and exhibits a spring force hysteresis. A switch engages the piston and is moved between first and second switch states by the piston. The switch exhibits a switch hysteresis. The spring force hysteresis and switching hysteresis are individually adjustable and together may be used to adjust the overall hysteresis of the pressure switch. | 03-05-2009 |
| 20090301858 | Piston holder for pressure switch assembly - A piston holder for a vehicle sensor including a diaphragm deflectable under fluid pressure to move a piston includes a unitary body that in turn defines a cylindrical outer body portion configured for surrounding the piston. The body has an open upper end circumscribed by an outwardly-flared flange and a rounded annular elbow opposite the flange for contacting the diaphragm. An annular skirt extends from the elbow. The skirt includes a first portion oriented radially inwardly and upwardly at an oblique angle to the vertical dimension defined by the outer body portion. An inner bump is formed in the first portion for establishing a contact point with the diaphragm when the holder is deformed, and a second portion extends from the first portion and is oriented parallel to the axial dimension for engaging a channel of the piston. | 12-10-2009 |
| 20090038930 | FOIL-TYPE SWITCHING ELEMENT WITH ENHANCED CARRIER FOIL - A pressure sensor comprises at least one first carrier foil, which is mounted on a supporting element so as to span an active area of said pressure sensor. According to the invention said first carrier foil comprises a material chosen from the group consisting of polyetheretherketone, polyethersulfone, polyphenylsulfone, polysulfone, polycarbonate, copolycarbonate, polyphenylene ether, cyclo-olefin-polymer, polycarbonate/acrylonitrile butadiene styrene, polycarbonate/polybutylene terephthalate, polycarbonate/polyethylene terephthalate, polyphenylene ether/polyamide, or mixtures thereof. | 02-12-2009 |
| 20080197010 | APPARATUS AND METHOD FOR AIR RELIEF IN AN AIR SWITCH - A switch assembly includes a switch operable to generate a signal, and a housing fixedly supporting the switch. The housing has a fluid conduit operable to fluidly connect to a fluid line. The switch assembly also includes a diaphragm supported by the housing and operable to affect the switch. The diaphragm and the housing form a variable volume chamber communicating with the fluid conduit. The diaphragm and the housing also form a fluid bleed passage therebetween. The fluid bleed passage permits controlled fluid flow from the chamber to ambient outside the housing. | 08-21-2008 |
| 20080289945 | Pressure response membrane - Pressure response devices, systems, and associated methods. The pressure response device includes a flange portion, a central portion, and an angled frustum portion provided between the flange portion and the central portion, with the angled frustum portion configured to activate upon experiencing a predetermined pressure differential. Pressure response systems may include a projection, a conductive arch, or a photo emitter configured to indicate a response to the predetermined pressure differential. Pressure response device may be a battery device, with the pressure response member configured to form part of an electrical conducting path until a predetermined pressure condition is reached. | 11-27-2008 |
| 20090229964 | SELF-CLEANING PRESSURE SWITCH WITH A SELF-SEALING DIAPHRAGM - An improved pressure switch comprises a cover assembly, a pair of electrical terminals, a spring, a contact disk, a diaphragm and a banjo housing. The pair of electrical terminals can be partially covered by the cover assembly and the spring can be placed within the cover assembly. The contact disk can tightly be connected with the diaphragm and arranged on top of the spring. When the pressure exceeds a preset pressure level, the diaphragm can be deflected down onto the contact disk, which compresses the spring to contact the terminals. The terminals can be activated for energizing, for example, a hydraulic circuit if the contact disk contacts the terminals. Therefore, the disk can bias itself when the disk makes contact on the top of the terminals, which creates a movement of the disk to provide a self cleaning feature. | 09-17-2009 |
| 20100300863 | PRESSURE SWITCH WITH AN INTEGRATED DIAPHRAGM AND SWITCH - A pressure switch ( | 12-02-2010 |
| 20110303523 | Burst Indicator - A burst indicator ( | 12-15-2011 |
| 20130248346 | METAL DOME PRESSURE SWITCH - Disclosed is a pressure switch that utilizes a dome switch having a flange surrounding the dome. The flange is anchored to a substrate such that the dome portion is in contact with a contact pad on the substrate. A pressure medium applied through passageways in the substrate flexes the dome in an elastic manner so that the dome does not contact the contact pad. When the pressure medium falls below a predetermined threshold level, the dome expands and contacts the contact pad to complete a circuit that indicates that the pressure of the pressure medium has fallen below the threshold level. Preloading force can be created between the dome and the contact pad to ensure a solid electrical connection. The preloading force can also be adjusted. | 09-26-2013 |
| 20160133408 | PRESSURE SWITCH - In a pressure switch including a diaphragm, when the diaphragm of the pressure switch is inverted, a cross-shaped contact face of a fixed contact comes into contact with an annular contact of the diaphragm at four positions. | 05-12-2016 |
| 200083000 | Combined switch and valve actuator | 1 |
| 20160133409 | METHOD OF MANUFACTURING DIAPHRAGM WITH CONTACT, AND PRESSURE SWITCH INCLUDING DIAPHRAGM WITH CONTACT MADE BY THE METHOD - In a method of manufacturing a diaphragm with a contact, contact stocks each forming a movable contact on a stock formed out of a strip-shaped thin metal sheet material, or a rolled material are bonded at predetermined intervals to the stock by resistance welding, for example to form a diaphragm stock with a contact. Next, the stock of a diaphragm with a contact is subjected to continuous blanking with a predetermined diameter from each movable contact as center to produce a diaphragm with a contact. | 05-12-2016 |
| 20080251372 | COMBINATION PRESSURE SWITCH - A combination switch includes a pressure switch moveable between open and closed positions in response to a working pressure of a fluid; an unloader valve moveable between open and closed positions; and a mechanical interconnection between the pressure switch and the unloader valve operable to move the unloader valve in unison with movement of the pressure switch. | 10-16-2008 |
| 20110042198 | PNEUMATIC SWITCH - A pneumatic switch ( | 02-24-2011 |
| 20140262723 | PNEUMATIC DETECTOR INTEGRATED ALARM AND FAULT SWITCH - An integrated switch to indicate pressure changes in an environment includes a housing with a cavity between a first retainer portion and a second retainer portion, a first diaphragm held in the cavity of the housing to indicate fault conditions, and a second diaphragm held in the cavity of the housing to indicate alarm conditions. | 09-18-2014 |
| 20120199465 | Fluid Pressure Responsive Electric Switch - A pressure responsive electric switch is described having an elongated base containing an electrical switch and terminals. The base is attached to a sensor assembly which actuates and de-actuates the electric switch in response to pressure to be measured. The sensor assembly has a composite actuator member comprising a plurality of stacked snap-acting disc members which includes at least one snap-acting disc member of a chosen low coefficient of thermal expansion and at least one snap-acting disc member of chosen high coefficient of thermal expansion material so as to provide precise pressure activation/deactivation points over a wide temperature range. In a second embodiment, the composite actuator member includes a thermal adjustment member. | 08-09-2012 |
| 20120255851 | Combination Pressure and Temperature Sensor for Simultaneous Temperature and Pressure Analyzing in HVAC Ducts - The present invention is a dual temperature and pressure switch that simultaneously monitors both the duct static pressure and temperature within HVAC ducts. The present invention comprises a differential pressure switch and a temperature probe. The differential pressure switch is triggered if the duct static pressure becomes greater than a prescribed level. A pressure switch diaphragm translates within the differential pressure housing according to the difference of static pressure and atmospheric pressure. The prescribed level is set by an adjustment screw and calibration spring. Each the static pressure probe and the temperature probe traverse through the sensor housing into an HVAC duct to which it is installed. Each the differential pressure switch and temperature probe are electrically connected to a control system through a terminal block. The present invention can include an analog pressure transmitter to analyze the current duct static pressure. | 10-11-2012 |
| 20090014310 | Non-locking switch for filter monitoring - Commercially available filter-monitoring switches suffer from problems related to over sensitivity and reliability. Accordingly, the present inventors have devised, among other things, various embodiments of filter-monitoring switches and related components, subassemblies, methods, and systems. One exemplary filter-monitoring switch includes a diaphragm operably couple to move a conductive element back and forth between a pair of fixed terminals in response to pressure differences across the diaphragm. The conductive element is mounted to an insulative pin of substantially uniform width, and the terminals include leaf contacts that constantly engage the pin or the contacts throughout normal operation of the switch, thereby reducing flexure of the contacts and effectively providing a self-cleaning and self-healing electrical switch. | 01-15-2009 |
| 20090057125 | PRESSURE SWITCH WITH ADJUSTABLE DIFFERENTIAL SETTING - A pressure switch includes a piston that is movably disposed in a sensor housing. The piston moves, in response to a media pressure being applied to a surface thereof, between at least a first piston position and a second piston position. A conical disc spring supplies a non-linear spring force to the piston, and exhibits a spring force hysteresis. A switch engages the piston and is moved between first and second switch states by the piston. The switch exhibits a switch hysteresis. The spring force hysteresis and switching hysteresis are individually adjustable and together may be used to adjust the overall hysteresis of the pressure switch. | 03-05-2009 |
| 20090301858 | Piston holder for pressure switch assembly - A piston holder for a vehicle sensor including a diaphragm deflectable under fluid pressure to move a piston includes a unitary body that in turn defines a cylindrical outer body portion configured for surrounding the piston. The body has an open upper end circumscribed by an outwardly-flared flange and a rounded annular elbow opposite the flange for contacting the diaphragm. An annular skirt extends from the elbow. The skirt includes a first portion oriented radially inwardly and upwardly at an oblique angle to the vertical dimension defined by the outer body portion. An inner bump is formed in the first portion for establishing a contact point with the diaphragm when the holder is deformed, and a second portion extends from the first portion and is oriented parallel to the axial dimension for engaging a channel of the piston. | 12-10-2009 |
| 20090038930 | FOIL-TYPE SWITCHING ELEMENT WITH ENHANCED CARRIER FOIL - A pressure sensor comprises at least one first carrier foil, which is mounted on a supporting element so as to span an active area of said pressure sensor. According to the invention said first carrier foil comprises a material chosen from the group consisting of polyetheretherketone, polyethersulfone, polyphenylsulfone, polysulfone, polycarbonate, copolycarbonate, polyphenylene ether, cyclo-olefin-polymer, polycarbonate/acrylonitrile butadiene styrene, polycarbonate/polybutylene terephthalate, polycarbonate/polyethylene terephthalate, polyphenylene ether/polyamide, or mixtures thereof. | 02-12-2009 |
| 20080197010 | APPARATUS AND METHOD FOR AIR RELIEF IN AN AIR SWITCH - A switch assembly includes a switch operable to generate a signal, and a housing fixedly supporting the switch. The housing has a fluid conduit operable to fluidly connect to a fluid line. The switch assembly also includes a diaphragm supported by the housing and operable to affect the switch. The diaphragm and the housing form a variable volume chamber communicating with the fluid conduit. The diaphragm and the housing also form a fluid bleed passage therebetween. The fluid bleed passage permits controlled fluid flow from the chamber to ambient outside the housing. | 08-21-2008 |
| 20080289945 | Pressure response membrane - Pressure response devices, systems, and associated methods. The pressure response device includes a flange portion, a central portion, and an angled frustum portion provided between the flange portion and the central portion, with the angled frustum portion configured to activate upon experiencing a predetermined pressure differential. Pressure response systems may include a projection, a conductive arch, or a photo emitter configured to indicate a response to the predetermined pressure differential. Pressure response device may be a battery device, with the pressure response member configured to form part of an electrical conducting path until a predetermined pressure condition is reached. | 11-27-2008 |
| 20090229964 | SELF-CLEANING PRESSURE SWITCH WITH A SELF-SEALING DIAPHRAGM - An improved pressure switch comprises a cover assembly, a pair of electrical terminals, a spring, a contact disk, a diaphragm and a banjo housing. The pair of electrical terminals can be partially covered by the cover assembly and the spring can be placed within the cover assembly. The contact disk can tightly be connected with the diaphragm and arranged on top of the spring. When the pressure exceeds a preset pressure level, the diaphragm can be deflected down onto the contact disk, which compresses the spring to contact the terminals. The terminals can be activated for energizing, for example, a hydraulic circuit if the contact disk contacts the terminals. Therefore, the disk can bias itself when the disk makes contact on the top of the terminals, which creates a movement of the disk to provide a self cleaning feature. | 09-17-2009 |
| 20100300863 | PRESSURE SWITCH WITH AN INTEGRATED DIAPHRAGM AND SWITCH - A pressure switch ( | 12-02-2010 |
| 20110303523 | Burst Indicator - A burst indicator ( | 12-15-2011 |
| 20130248346 | METAL DOME PRESSURE SWITCH - Disclosed is a pressure switch that utilizes a dome switch having a flange surrounding the dome. The flange is anchored to a substrate such that the dome portion is in contact with a contact pad on the substrate. A pressure medium applied through passageways in the substrate flexes the dome in an elastic manner so that the dome does not contact the contact pad. When the pressure medium falls below a predetermined threshold level, the dome expands and contacts the contact pad to complete a circuit that indicates that the pressure of the pressure medium has fallen below the threshold level. Preloading force can be created between the dome and the contact pad to ensure a solid electrical connection. The preloading force can also be adjusted. | 09-26-2013 |
| 20160133408 | PRESSURE SWITCH - In a pressure switch including a diaphragm, when the diaphragm of the pressure switch is inverted, a cross-shaped contact face of a fixed contact comes into contact with an annular contact of the diaphragm at four positions. | 05-12-2016 |
| 200083000 | Adjustment means | 1 |
| 20160133409 | METHOD OF MANUFACTURING DIAPHRAGM WITH CONTACT, AND PRESSURE SWITCH INCLUDING DIAPHRAGM WITH CONTACT MADE BY THE METHOD - In a method of manufacturing a diaphragm with a contact, contact stocks each forming a movable contact on a stock formed out of a strip-shaped thin metal sheet material, or a rolled material are bonded at predetermined intervals to the stock by resistance welding, for example to form a diaphragm stock with a contact. Next, the stock of a diaphragm with a contact is subjected to continuous blanking with a predetermined diameter from each movable contact as center to produce a diaphragm with a contact. | 05-12-2016 |
| 20080251372 | COMBINATION PRESSURE SWITCH - A combination switch includes a pressure switch moveable between open and closed positions in response to a working pressure of a fluid; an unloader valve moveable between open and closed positions; and a mechanical interconnection between the pressure switch and the unloader valve operable to move the unloader valve in unison with movement of the pressure switch. | 10-16-2008 |
| 20110042198 | PNEUMATIC SWITCH - A pneumatic switch ( | 02-24-2011 |
| 20140262723 | PNEUMATIC DETECTOR INTEGRATED ALARM AND FAULT SWITCH - An integrated switch to indicate pressure changes in an environment includes a housing with a cavity between a first retainer portion and a second retainer portion, a first diaphragm held in the cavity of the housing to indicate fault conditions, and a second diaphragm held in the cavity of the housing to indicate alarm conditions. | 09-18-2014 |
| 20120199465 | Fluid Pressure Responsive Electric Switch - A pressure responsive electric switch is described having an elongated base containing an electrical switch and terminals. The base is attached to a sensor assembly which actuates and de-actuates the electric switch in response to pressure to be measured. The sensor assembly has a composite actuator member comprising a plurality of stacked snap-acting disc members which includes at least one snap-acting disc member of a chosen low coefficient of thermal expansion and at least one snap-acting disc member of chosen high coefficient of thermal expansion material so as to provide precise pressure activation/deactivation points over a wide temperature range. In a second embodiment, the composite actuator member includes a thermal adjustment member. | 08-09-2012 |
| 20120255851 | Combination Pressure and Temperature Sensor for Simultaneous Temperature and Pressure Analyzing in HVAC Ducts - The present invention is a dual temperature and pressure switch that simultaneously monitors both the duct static pressure and temperature within HVAC ducts. The present invention comprises a differential pressure switch and a temperature probe. The differential pressure switch is triggered if the duct static pressure becomes greater than a prescribed level. A pressure switch diaphragm translates within the differential pressure housing according to the difference of static pressure and atmospheric pressure. The prescribed level is set by an adjustment screw and calibration spring. Each the static pressure probe and the temperature probe traverse through the sensor housing into an HVAC duct to which it is installed. Each the differential pressure switch and temperature probe are electrically connected to a control system through a terminal block. The present invention can include an analog pressure transmitter to analyze the current duct static pressure. | 10-11-2012 |
| 20090014310 | Non-locking switch for filter monitoring - Commercially available filter-monitoring switches suffer from problems related to over sensitivity and reliability. Accordingly, the present inventors have devised, among other things, various embodiments of filter-monitoring switches and related components, subassemblies, methods, and systems. One exemplary filter-monitoring switch includes a diaphragm operably couple to move a conductive element back and forth between a pair of fixed terminals in response to pressure differences across the diaphragm. The conductive element is mounted to an insulative pin of substantially uniform width, and the terminals include leaf contacts that constantly engage the pin or the contacts throughout normal operation of the switch, thereby reducing flexure of the contacts and effectively providing a self-cleaning and self-healing electrical switch. | 01-15-2009 |
| 20090057125 | PRESSURE SWITCH WITH ADJUSTABLE DIFFERENTIAL SETTING - A pressure switch includes a piston that is movably disposed in a sensor housing. The piston moves, in response to a media pressure being applied to a surface thereof, between at least a first piston position and a second piston position. A conical disc spring supplies a non-linear spring force to the piston, and exhibits a spring force hysteresis. A switch engages the piston and is moved between first and second switch states by the piston. The switch exhibits a switch hysteresis. The spring force hysteresis and switching hysteresis are individually adjustable and together may be used to adjust the overall hysteresis of the pressure switch. | 03-05-2009 |
| 20090301858 | Piston holder for pressure switch assembly - A piston holder for a vehicle sensor including a diaphragm deflectable under fluid pressure to move a piston includes a unitary body that in turn defines a cylindrical outer body portion configured for surrounding the piston. The body has an open upper end circumscribed by an outwardly-flared flange and a rounded annular elbow opposite the flange for contacting the diaphragm. An annular skirt extends from the elbow. The skirt includes a first portion oriented radially inwardly and upwardly at an oblique angle to the vertical dimension defined by the outer body portion. An inner bump is formed in the first portion for establishing a contact point with the diaphragm when the holder is deformed, and a second portion extends from the first portion and is oriented parallel to the axial dimension for engaging a channel of the piston. | 12-10-2009 |
| 20090038930 | FOIL-TYPE SWITCHING ELEMENT WITH ENHANCED CARRIER FOIL - A pressure sensor comprises at least one first carrier foil, which is mounted on a supporting element so as to span an active area of said pressure sensor. According to the invention said first carrier foil comprises a material chosen from the group consisting of polyetheretherketone, polyethersulfone, polyphenylsulfone, polysulfone, polycarbonate, copolycarbonate, polyphenylene ether, cyclo-olefin-polymer, polycarbonate/acrylonitrile butadiene styrene, polycarbonate/polybutylene terephthalate, polycarbonate/polyethylene terephthalate, polyphenylene ether/polyamide, or mixtures thereof. | 02-12-2009 |
| 20080197010 | APPARATUS AND METHOD FOR AIR RELIEF IN AN AIR SWITCH - A switch assembly includes a switch operable to generate a signal, and a housing fixedly supporting the switch. The housing has a fluid conduit operable to fluidly connect to a fluid line. The switch assembly also includes a diaphragm supported by the housing and operable to affect the switch. The diaphragm and the housing form a variable volume chamber communicating with the fluid conduit. The diaphragm and the housing also form a fluid bleed passage therebetween. The fluid bleed passage permits controlled fluid flow from the chamber to ambient outside the housing. | 08-21-2008 |
| 20080289945 | Pressure response membrane - Pressure response devices, systems, and associated methods. The pressure response device includes a flange portion, a central portion, and an angled frustum portion provided between the flange portion and the central portion, with the angled frustum portion configured to activate upon experiencing a predetermined pressure differential. Pressure response systems may include a projection, a conductive arch, or a photo emitter configured to indicate a response to the predetermined pressure differential. Pressure response device may be a battery device, with the pressure response member configured to form part of an electrical conducting path until a predetermined pressure condition is reached. | 11-27-2008 |
| 20090229964 | SELF-CLEANING PRESSURE SWITCH WITH A SELF-SEALING DIAPHRAGM - An improved pressure switch comprises a cover assembly, a pair of electrical terminals, a spring, a contact disk, a diaphragm and a banjo housing. The pair of electrical terminals can be partially covered by the cover assembly and the spring can be placed within the cover assembly. The contact disk can tightly be connected with the diaphragm and arranged on top of the spring. When the pressure exceeds a preset pressure level, the diaphragm can be deflected down onto the contact disk, which compresses the spring to contact the terminals. The terminals can be activated for energizing, for example, a hydraulic circuit if the contact disk contacts the terminals. Therefore, the disk can bias itself when the disk makes contact on the top of the terminals, which creates a movement of the disk to provide a self cleaning feature. | 09-17-2009 |
| 20100300863 | PRESSURE SWITCH WITH AN INTEGRATED DIAPHRAGM AND SWITCH - A pressure switch ( | 12-02-2010 |
| 20110303523 | Burst Indicator - A burst indicator ( | 12-15-2011 |
| 20130248346 | METAL DOME PRESSURE SWITCH - Disclosed is a pressure switch that utilizes a dome switch having a flange surrounding the dome. The flange is anchored to a substrate such that the dome portion is in contact with a contact pad on the substrate. A pressure medium applied through passageways in the substrate flexes the dome in an elastic manner so that the dome does not contact the contact pad. When the pressure medium falls below a predetermined threshold level, the dome expands and contacts the contact pad to complete a circuit that indicates that the pressure of the pressure medium has fallen below the threshold level. Preloading force can be created between the dome and the contact pad to ensure a solid electrical connection. The preloading force can also be adjusted. | 09-26-2013 |
| 20160133408 | PRESSURE SWITCH - In a pressure switch including a diaphragm, when the diaphragm of the pressure switch is inverted, a cross-shaped contact face of a fixed contact comes into contact with an annular contact of the diaphragm at four positions. | 05-12-2016 |
| 200083000 | Multiple diaphragms or multi-ply diaphragms | 1 |
| 20160133409 | METHOD OF MANUFACTURING DIAPHRAGM WITH CONTACT, AND PRESSURE SWITCH INCLUDING DIAPHRAGM WITH CONTACT MADE BY THE METHOD - In a method of manufacturing a diaphragm with a contact, contact stocks each forming a movable contact on a stock formed out of a strip-shaped thin metal sheet material, or a rolled material are bonded at predetermined intervals to the stock by resistance welding, for example to form a diaphragm stock with a contact. Next, the stock of a diaphragm with a contact is subjected to continuous blanking with a predetermined diameter from each movable contact as center to produce a diaphragm with a contact. | 05-12-2016 |
| 20080251372 | COMBINATION PRESSURE SWITCH - A combination switch includes a pressure switch moveable between open and closed positions in response to a working pressure of a fluid; an unloader valve moveable between open and closed positions; and a mechanical interconnection between the pressure switch and the unloader valve operable to move the unloader valve in unison with movement of the pressure switch. | 10-16-2008 |
| 20110042198 | PNEUMATIC SWITCH - A pneumatic switch ( | 02-24-2011 |
| 20140262723 | PNEUMATIC DETECTOR INTEGRATED ALARM AND FAULT SWITCH - An integrated switch to indicate pressure changes in an environment includes a housing with a cavity between a first retainer portion and a second retainer portion, a first diaphragm held in the cavity of the housing to indicate fault conditions, and a second diaphragm held in the cavity of the housing to indicate alarm conditions. | 09-18-2014 |
| 20120199465 | Fluid Pressure Responsive Electric Switch - A pressure responsive electric switch is described having an elongated base containing an electrical switch and terminals. The base is attached to a sensor assembly which actuates and de-actuates the electric switch in response to pressure to be measured. The sensor assembly has a composite actuator member comprising a plurality of stacked snap-acting disc members which includes at least one snap-acting disc member of a chosen low coefficient of thermal expansion and at least one snap-acting disc member of chosen high coefficient of thermal expansion material so as to provide precise pressure activation/deactivation points over a wide temperature range. In a second embodiment, the composite actuator member includes a thermal adjustment member. | 08-09-2012 |
| 20120255851 | Combination Pressure and Temperature Sensor for Simultaneous Temperature and Pressure Analyzing in HVAC Ducts - The present invention is a dual temperature and pressure switch that simultaneously monitors both the duct static pressure and temperature within HVAC ducts. The present invention comprises a differential pressure switch and a temperature probe. The differential pressure switch is triggered if the duct static pressure becomes greater than a prescribed level. A pressure switch diaphragm translates within the differential pressure housing according to the difference of static pressure and atmospheric pressure. The prescribed level is set by an adjustment screw and calibration spring. Each the static pressure probe and the temperature probe traverse through the sensor housing into an HVAC duct to which it is installed. Each the differential pressure switch and temperature probe are electrically connected to a control system through a terminal block. The present invention can include an analog pressure transmitter to analyze the current duct static pressure. | 10-11-2012 |
| 20090014310 | Non-locking switch for filter monitoring - Commercially available filter-monitoring switches suffer from problems related to over sensitivity and reliability. Accordingly, the present inventors have devised, among other things, various embodiments of filter-monitoring switches and related components, subassemblies, methods, and systems. One exemplary filter-monitoring switch includes a diaphragm operably couple to move a conductive element back and forth between a pair of fixed terminals in response to pressure differences across the diaphragm. The conductive element is mounted to an insulative pin of substantially uniform width, and the terminals include leaf contacts that constantly engage the pin or the contacts throughout normal operation of the switch, thereby reducing flexure of the contacts and effectively providing a self-cleaning and self-healing electrical switch. | 01-15-2009 |
| 20090057125 | PRESSURE SWITCH WITH ADJUSTABLE DIFFERENTIAL SETTING - A pressure switch includes a piston that is movably disposed in a sensor housing. The piston moves, in response to a media pressure being applied to a surface thereof, between at least a first piston position and a second piston position. A conical disc spring supplies a non-linear spring force to the piston, and exhibits a spring force hysteresis. A switch engages the piston and is moved between first and second switch states by the piston. The switch exhibits a switch hysteresis. The spring force hysteresis and switching hysteresis are individually adjustable and together may be used to adjust the overall hysteresis of the pressure switch. | 03-05-2009 |
| 20090301858 | Piston holder for pressure switch assembly - A piston holder for a vehicle sensor including a diaphragm deflectable under fluid pressure to move a piston includes a unitary body that in turn defines a cylindrical outer body portion configured for surrounding the piston. The body has an open upper end circumscribed by an outwardly-flared flange and a rounded annular elbow opposite the flange for contacting the diaphragm. An annular skirt extends from the elbow. The skirt includes a first portion oriented radially inwardly and upwardly at an oblique angle to the vertical dimension defined by the outer body portion. An inner bump is formed in the first portion for establishing a contact point with the diaphragm when the holder is deformed, and a second portion extends from the first portion and is oriented parallel to the axial dimension for engaging a channel of the piston. | 12-10-2009 |
| 20090038930 | FOIL-TYPE SWITCHING ELEMENT WITH ENHANCED CARRIER FOIL - A pressure sensor comprises at least one first carrier foil, which is mounted on a supporting element so as to span an active area of said pressure sensor. According to the invention said first carrier foil comprises a material chosen from the group consisting of polyetheretherketone, polyethersulfone, polyphenylsulfone, polysulfone, polycarbonate, copolycarbonate, polyphenylene ether, cyclo-olefin-polymer, polycarbonate/acrylonitrile butadiene styrene, polycarbonate/polybutylene terephthalate, polycarbonate/polyethylene terephthalate, polyphenylene ether/polyamide, or mixtures thereof. | 02-12-2009 |
| 20080197010 | APPARATUS AND METHOD FOR AIR RELIEF IN AN AIR SWITCH - A switch assembly includes a switch operable to generate a signal, and a housing fixedly supporting the switch. The housing has a fluid conduit operable to fluidly connect to a fluid line. The switch assembly also includes a diaphragm supported by the housing and operable to affect the switch. The diaphragm and the housing form a variable volume chamber communicating with the fluid conduit. The diaphragm and the housing also form a fluid bleed passage therebetween. The fluid bleed passage permits controlled fluid flow from the chamber to ambient outside the housing. | 08-21-2008 |
| 20080289945 | Pressure response membrane - Pressure response devices, systems, and associated methods. The pressure response device includes a flange portion, a central portion, and an angled frustum portion provided between the flange portion and the central portion, with the angled frustum portion configured to activate upon experiencing a predetermined pressure differential. Pressure response systems may include a projection, a conductive arch, or a photo emitter configured to indicate a response to the predetermined pressure differential. Pressure response device may be a battery device, with the pressure response member configured to form part of an electrical conducting path until a predetermined pressure condition is reached. | 11-27-2008 |
| 20090229964 | SELF-CLEANING PRESSURE SWITCH WITH A SELF-SEALING DIAPHRAGM - An improved pressure switch comprises a cover assembly, a pair of electrical terminals, a spring, a contact disk, a diaphragm and a banjo housing. The pair of electrical terminals can be partially covered by the cover assembly and the spring can be placed within the cover assembly. The contact disk can tightly be connected with the diaphragm and arranged on top of the spring. When the pressure exceeds a preset pressure level, the diaphragm can be deflected down onto the contact disk, which compresses the spring to contact the terminals. The terminals can be activated for energizing, for example, a hydraulic circuit if the contact disk contacts the terminals. Therefore, the disk can bias itself when the disk makes contact on the top of the terminals, which creates a movement of the disk to provide a self cleaning feature. | 09-17-2009 |
| 20100300863 | PRESSURE SWITCH WITH AN INTEGRATED DIAPHRAGM AND SWITCH - A pressure switch ( | 12-02-2010 |
| 20110303523 | Burst Indicator - A burst indicator ( | 12-15-2011 |
| 20130248346 | METAL DOME PRESSURE SWITCH - Disclosed is a pressure switch that utilizes a dome switch having a flange surrounding the dome. The flange is anchored to a substrate such that the dome portion is in contact with a contact pad on the substrate. A pressure medium applied through passageways in the substrate flexes the dome in an elastic manner so that the dome does not contact the contact pad. When the pressure medium falls below a predetermined threshold level, the dome expands and contacts the contact pad to complete a circuit that indicates that the pressure of the pressure medium has fallen below the threshold level. Preloading force can be created between the dome and the contact pad to ensure a solid electrical connection. The preloading force can also be adjusted. | 09-26-2013 |
| 20160133408 | PRESSURE SWITCH - In a pressure switch including a diaphragm, when the diaphragm of the pressure switch is inverted, a cross-shaped contact face of a fixed contact comes into contact with an annular contact of the diaphragm at four positions. | 05-12-2016 |
| 200081000 | Hand operated | 5 |
| 20080257708 | Variable Differential Adjustor - A variable differential adjustor for a fluid pressure-actuated switch, with the fluid, in the preferred form of the invention, being air. The restrictor has a restrictor housing having a passage through which a pressure source has a portion which passes on its way to a pressure-actuated switch. A restrictor is provided for engaging the portion of the pressure source passing through the restrictor housing and is adjustable to variably alter fluid flow through the pressure source portion. The restrictor comprises a screw-like plug in the pressure source portion which is acted upon by a tube throttle to variably alter the passageway past the plug. | 10-23-2008 |
| 20090026059 | PRESSURE SWITCH - A compact pressure switch that causes little error in the operating point of the switch and that has resistance to dust, water, and chemical solutions is provided. The pressure switch includes a housing ( | 01-29-2009 |
| 20100012475 | COMBINATION PRESSURE SWITCH - A combination switch including a pressure switch moveable between closed and open positions in response to a working pressure of a fluid, an unloader valve moveable between open and closed positions, a mechanical interconnection between the pressure switch and the unloader valve and operable to move the unloader valve in response to movement of the pressure switch, and a mechanical lever selectively operable to move the pressure switch between the closed and the open position. | 01-21-2010 |
| 20100038228 | Stand-Alone Circuit Breaker Assembly and Associated Method of Use - A stand-alone circuit breaker assembly that includes a housing having a plurality of openings, a plurality of first bushings mounted through the openings in the housing for receiving electrical power from the distribution transformer, at least one circuit breaker, each circuit breaker having a plurality of input terminals and a plurality of output terminals, wherein the at least one circuit breaker is located inside the housing, a plurality of first electrical connectors electrically connected in one-to-one correspondence between the plurality of first bushings and the plurality of input terminals, a plurality of second bushings mounted through the openings in the housing for providing electrical power through the at least one circuit breaker, and a plurality of second electrical connectors electrically connected in one-to-one correspondence between the plurality of second bushings and the plurality of output terminals. The stand-alone circuit breaker can be utilized with a distribution transformer. | 02-18-2010 |
| 20100206708 | PRESSURE SENSOR FOR A HERMETICALLY SEALED CONTAINER - A pressure sensor is provided for a container having a hermetically sealed internal chamber. The pressure sensor includes a support member having a membrane side and an electrical contact extending along the membrane side. The support member is configured to be held by the container such that at least a portion of the support side is exposed to the internal chamber of the container. The pressure sensor also includes a membrane having a chamber side and an opposite support side. The membrane is held by the support member such that the chamber side is configured to be exposed to the internal chamber and the support side is configured to be isolated from the internal chamber. A pressure differential across the chamber side and the support side of the membrane deflects the membrane into and out of engagement with the electrical contact of the support member. | 08-19-2010 |
| 20100230268 | HIGH VOLTAGE SWITCH - A high voltage switch is provided, comprising a pair of electrodes housed within a high pressure gas vessel and separated by a nominal distance D. At least one of the electrodes is provided with raised surface features each having a radius of curvature that is significantly smaller than the electrode separation D. Preferably one of the electrodes is flat-faced. Preferred gas pressures within the pressure vessel are in the range 300 psi to 1200 psi. When used to switch voltages of several hundred kilovolts, an operational life for the electrodes of between 400 and 1000 hours has been achieved. | 09-16-2010 |
| 20100230269 | PRESSURE DIFFERENTIAL SWITCH - A diaphragm-actuated pressure differential switch assembly includes a blade spring for switching an electrical circuit. The blade spring comprises a proximal end portion configured for electrically conductive attachment to an electrical terminal, a plurality of flexible tension arms extending from the proximal end portion, a pressure contact region configured to accept transmission of a physical force to bend at least one of the plurality of flexible tension arms, a distal end portion integral with the flexible tension arms, the distal end portion including an electrical contact, and a compression spring integral with the distal end portion extending generally proximally from the distal end portion, the compression spring including a first leg and a second leg. Methods of constructing and using the diaphragm-actuated pressure differential switch assembly and the blade spring are also disclosed. | 09-16-2010 |
| 20100288616 | Adjustable pressure gauged switch for electric valve-less pumps - An adjustable pressure gauged switch for electric valve-less pumps, including a block, a switch, a pressure reaction module, a base and a pressure gauge, wherein the block is able to contain the pressure reaction module. A switch is connected to a lower end of the block, and the base is connected to a rear end of the block. The pressure reaction module is used to adjust setting fluid pressure passing through the base, thereby activate or deactivate a microswitch. A check valve is configured interior of the base close to a passage inlet end, which is able to prevent backflow of fluid passing through the base inlet causing a pressure drop and restarting the microswitch. | 11-18-2010 |
| 20120073948 | CARBON NANOTUBE OR GRAPHENE BASED PRESSURE SWITCH - The present invention describes systems and methods for providing a carbon or graphene based pressure switch. An exemplary embodiment of the present invention includes a semiconductor substrate; a cavity defined within the semiconductor substrate having a cross-sectional area and a depth; a bottom conductor disposed within the cavity; a conductive membrane disposed above the cavity and adapted to deflect towards the bottom conductor upon an applied pressure; an elastic, insulating layer disposed between the conductive membrane and the bottom conductor; and a switching element adapted to activate upon electrical communication between the conductive membrane and the bottom conductor. | 03-29-2012 |
| 20130056344 | ELECTRIC CIRCUIT BREAKER WITH PYROTECHNIC ACTUATION - An electric switch constituting a circuit breaker in particular, wherein a conductive blade is broken by the tripping of a pyrotechnically actuated gas generator. | 03-07-2013 |
| 20130062183 | Clip device - A clip device for retaining and clamping a tube, e.g. a pneumatic hose of a pneumatically actuated switching device to an object, e.g. an area of a patient's bed, comprises a pair of opposed clip members; a biasing member integrally connected to the opposed clip members; a locking post; and a locking mechanism for receiving and retaining the locking post and clip members in a closed position. The proximal ends of the clip members have intermeshing teeth for attaching the clip device to the object and the distal ends have a gripping area for pressing the clip members together. The biasing member has a circular body with gripping elements for gripping the tube. The locking post is made of a rigid yet flexible material for keeping the distal ends of clip members apart and in a locked condition when the locking post is engaged in the locking mechanism. | 03-14-2013 |
| 20130126328 | Latching Solenoid Actuator with Container Installation Detection - There is disclosed a mechanism for detecting that a valve coupled to a pressurized container is fully installed into a nose piece of a latching solenoid actuator coupled to a fire suppression system. | 05-23-2013 |
| 20140353136 | HIGH-CURRENT SWITCH - Disclosed is a high-current switch comprising a first fixed contact, a second fixed contact spaced apart from the first fixed contact, and at least one contact bridge that is movable relative to the two fixed contacts and an advancing device for transferring the contact bridge from an open position, in which the two fixed contacts are not connected to one another, to a closed position, in which the contact bridge electrically connects the two fixed contacts to one another. The advancing device is configured such that it is non-resilient, the stiffness of the contact bridge and of the advancing device corresponding to a value of at least 50,000 kNmm | 12-04-2014 |
| 20160118210 | MULTIPLEXING, SWITCHING AND TESTING DEVICES AND METHODS USING FLUID PRESSURE - A fluid pressure actuated device for establishing electrical contact includes a first side and a second side each defining a respective cavity. A respective flexible membrane is positioned across each cavity. Each membrane has an outer side that carries an electrically conducting contactor. The contactors are electrically connected to a conducting connector that extends at least partially through the device. Each flexible membrane extends and withdraws moving the associated electrically conducting contactor in opposing directions when fluid pressure is increased and decreased in the associated cavity. Each membrane may have an undulating shape by including concentric frustum portions that narrow in opposite directions. The contacts may have neutral positions that are internal relative to outer surfaces of the device until fluid pressure is increased in the respective cavities causing extension by movement of the membranes. | 04-28-2016 |
| 20160155589 | ISOLATOR FOR DC ELECTRICAL POWER SUPPLY SOURCE | 06-02-2016 |
| 20100187086 | Dual activated pneumatic actuator system - A dual activated pneumatic actuator system for a patient call system includes a dual function hand held actuator for a pneumatic patient call system and having first and second air pressure domes; a pneumatically actuated switching device including two cylinders, contact pins and C-clips connected to the contact pins; and an air conduit system connecting the dual function hand held actuator to the pneumatically actuated switching device. When a first air pressure dome is depressed pressurized air forces a cylinder against its respective pin and C-clip to create a first circuit whereby an electrical signal is sent to an alarm system in the nurse station and when the second air pressure dome is depressed pressurized air forces the other cylinder against its respective pin and C-clip to create a second circuit whereby an electrical signal is sent to an electronic device, for example television or radio. | 07-29-2010 |
| 20100307908 | Safety System and Handle Member Therefor - A fluidic operator presence control and safety system for walk-behind and riding equipment, such as lawn mowers and the like, is provided. The system includes a first handle member mounted to a portion of the equipment, the first handle member having an internal fluid flow channel containing a fluid therein, the fluid flow channel being closed to the environment. The system further includes a first electrical switch mounted adjacent the fluid flow channel and interacting therewith. The first electrical switch being in physical communication with the fluid flow channel so that pressure variances transmitted by the fluid within the fluid flow channel as a result of manual compression of a portion of the first handle member are conveyed through the internal fluid flow channel to the first electrical switch thereby actuating the first electrical switch for enabling operation of one or more functions of the equipment. | 12-09-2010 |
| 20120067712 | SEALED DOME SWITCH FOR MOBILE ELECTRONIC DEVICE - A mobile electronic device has a dome switch assembly secured to the housing of the device, over a recess formed in the housing of device. The dome switch assembly has a substrate with a vent hole communicating between the recess of the housing and the space comprised between the substrate and a dome actuation portion of the dome switch assembly. Upon actuation of the dome switch assembly, air present between the dome actuation portion and the substrate flows into the recess of the housing. | 03-22-2012 |
| 20120193211 | User Interface System and Method - One embodiment of the user interface system comprises: A tactile layer defining a tactile surface touchable by a user and plurality of deformable regions operable between a retracted state, wherein the deformable regions are flush with an undeformable region of the tactile layer; and an expanded state, wherein the deformable regions are proud of the undeformable region. A substrate joined to the undeformable region and defining a fluid port per deformable region and a fluid channel. A displacement device displacing the fluid through the fluid channel and the fluid ports to transition the deformable regions from the retracted state to the expanded state. A first and a second pressure sensor detecting changes in fluid pressure within the fluid due to a force applied to a particular deformable region. A processor determining the particular deformable region to be location of the input force based upon the detected fluid pressure changes. | 08-02-2012 |
| 20130068604 | Switch assembly - In a pneumatically actuated switching device having a pneumatic actuator for delivering pressurized air to a switch assembly for generating an electrical signal, the switch assembly comprises a switch housing having a conductive element for opening and closing a circuit; and a pneumatic hose connection member removably mounted to the housing for connecting a pneumatic hose to the housing for delivering the pressurized air for generating the electrical signal. The pneumatic hose connection member has an enlarged portion flushed with the housing, a first extended portion having a threaded section for attachment to the housing, and a second extended portion having a plurality of anchor thugs for securing the pneumatic hose. The housing and pneumatic hose connection member have a plurality of gripping elements for facilitating the insertion and removal of the pneumatic hose connection member relative to the housing and the attachment and detachment of the pneumatic hose. | 03-21-2013 |
