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| Number | Title | Issue Date |
| 5601183 | Two-pole make-before-break switch A two-pole make-before-break switch includes a base housing, a cover member secured to the base housing, an actuating member disposed above the cover member, and first and second contact assemblies mounted on an interior portion of the base housing. The f... | 02/11/1997 |
| 5328551 | Method of making high output strain gage A method of making a foil-type electrical resistance strain gage having a gage factor of at least 4. A PtW foil is adhesively bonded to a polyimide substrate with an FEP adhesive cured under heat and pressure. The foil is spin-coated with a positive photo... | 07/12/1994 |
| 5318268 | Thermally actuated valve with ambient temperature compensation An electrically operated thermally responsive valve having a bimetal operator arm heated by an electrical resistance heater for deflection to move a resilient poppet between an open and closed position on a valve seat for controlling flow to the valve out... | 06/07/1994 |
| 5313985 | Modular valve assembly A valve assembly having a plurality of solenoid operated valving operators, each attached by non-metallic weldment to a manifold having a plurality of outlets. Two of the operators are adapted for connection to separate fluid sources such as hot and cold ... | 05/24/1994 |
| 5308957 | Heater control system A control system for dual oven resistance heaters (BAKE, BROIL) has opposite sides of each heater connected to a common side of one of a pair of SPDT switching relays such that no current flows to the heaters when both relays are in a common state of ener... | 05/03/1994 |
| 5302158 | Lubricant pumping in tandem drive axles A lubricant pump of the gerotor type is mounted concentrically over the output shaft of the leading axle in a tandem drive axle arrangement having in inter-axle power dividing differential. The outer rotor of the pump is connected by an annular drive band... | 04/12/1994 |
| 5299592 | High pressure relief system An electrically operated valve assembly having a plastic body with a solenoid coil attached for moving an armature valve member for effecting flow from the vale inlet to outlet. In one embodiment the armature is a pilot valve slidably movable in a guide o... | 04/05/1994 |
| 5289697 | Refrigerant receiver/drier A refrigerant receiver/drier having an inner cup-shaped shell received over a standpipe and filled with desiccant beads which are retained by a closure plate fitted over the standpipe. Louvered flow openings are formed in the bottom of the cup and the clo... | 03/01/1994 |
| 5290978 | Programmer/timer with rapid advance An electromechanical appliance programmer has a cam drum indexed by primary advance motor drive for sequentially operating plural appliance function switches. The cam shaft is axially slidable by user actuation and moves an annular cam ring for moving a s... | 03/01/1994 |
| 5284586 | Fluid flow filter and method of making same A wire mesh filter screen has a flat disc shape and is seated on a flat bottom counterbore in a threaded fitting. A circular knife edged punch pierces a ring of material from the counterbore wall surrounding the disc periphery. A second flat punch axially... | 02/08/1994 |
| 5281159 | Adaptor for multiple pin electrial connection An adaptor for permitting a switching or other device having round pin type terminals extending therefrom to be connected to a connector of the type for connection to a flat-blade type terminal pin. An upper and lower shell joined at a parting line captur... | 01/25/1994 |
| 5272892 | Control system for washing machine A control system for a washing machine having a transducer mounted on the exterior of the washing receptacle wall and operable to generate acoustic vibrations in the receptacle wall during fluid filling of the receptacle. A receiver detects sound waves wi... | 12/28/1993 |
| 5269459 | Thermally responsive expansion valve A refrigerant expansion valve has a pressure-responsive diaphragm forming a wall of a fluid filled chamber. The diaphragm is connected to one end of an actuator rod incorporating a hollow with a closed end opposite and operative to move a valve member for... | 12/14/1993 |
| 5267849 | Spark igniting a fuel burner At least two sets of point-to-flat spark electrodes are connected for high voltage excitation from a pulse source such as individual secondary windings of a common transformer. Each secondary winding has one end connected to one of the pointed electrodes,... | 12/07/1993 |
| 5267489 | Drive axle assembly for use in tandem axle arrangements and pinion shaft subassembly therefor A drive axle assembly and subassembly for use in tandem driving axle arrangements has a removable drive pinion shaft subassembly. An input shaft is journalled in an axle housing and is coupled to an output shaft also journalled in the housing by an inter-... | 12/07/1993 |
| 5255891 | Electrically operated by-pass water valve A servomotor actuated engine coolant valve with a plastic body and a thin resilient butterfly plate valve member formed of plastic material internally with a shaft hub drum having the motor shaft received therethrough for torque transmission to the butter... | 10/26/1993 |
| 5252792 | Subassembly for a pressure switch A pressure switch assembly has a preassembled spring capsule assembled onto a deck structure with a snap switch thereon to form a subassembly which is snap-locked into the cup-shaped housing. A rotary cam drum is provided in the housing with an external s... | 10/12/1993 |
| 5226840 | Electrical connector terminal and contact An electrical connector terminal formed from sheet stock of desired thickness in a "T"-shaped blank. Opposite arms of the "T"-shaped blank are folded on themselves accordion-style to form an integral head portion having a thickness of several multiples of... | 07/13/1993 |
| 5226446 | Flow noise reduction A flow noise reduction assembly having a fixed flow limiting orifice or an inlet pressure responsive flow control washer having a flow limiting orifice. A conically faced diverter is disposed closely adjacent the downstream face of the orifice and an expa... | 07/13/1993 |
| 5226595 | Vehicle passenger compartment temperature control system with multi-speed response A system for controlling vehicle passenger compartment comfort. An electronic controller receives input from: (i) a thermistor array sensing blower plenum discharge temperature, (ii) a user movable Level Select Control (iii) a potentiometer sensing the po... | 07/13/1993 |
| 5218836 | Measuring evaporator load in an automotive air conditioning system for compressor clutch control using evaporator inlet temperature An electronic controller receives an evaporator inlet (or outlet) temperature sensor signal and measures the time required for the evaporator to be heated from compressor clutch cut-out to compressor clutch "ON". Depending upon the elapsed time, the contr... | 06/15/1993 |
| 5218751 | Method of making a resistance ignitor for igniting gaseous fuel Filamentary material having a core of elemental carbon covered with a coating of silicon carbide material with a thin outer layer of elemental carbon is heated in air to cause the outer layer to oxidize. The filament is then cut to segments of a desired l... | 06/15/1993 |
| 5216892 | Compressor clutch cut-out control in an automotive air conditioning system An automotive air conditioning system utilizing an electrically operated refrigerant expansion valve controlled by a micro-computer. The compressor clutch cut-off is controlled by a suction pressure sensor at high thermal load. At partial flow conditions ... | 06/08/1993 |
| 5215166 | Mobile stacker for automated storage and retrieval system A self-propelled mobile stacker for an automated storage and retrieval system having a mast assembly of lightweight non-metallic material removably installed on a metal chassis. The mast assembly comprises a mast and base formed of a common "I"-shaped com... | 06/01/1993 |
| 5216396 | Switching relay A compact low profile relay fabricated upon a base such as a printed circuit board. A pole piece having a ceramic coating with overlain conductive polymer strips serves as bus bar for coil connection. Spaced ferromagnetic core portions are formed integral... | 06/01/1993 |
| 5212421 | Vibration transducer assembly A vibration transducer for sensing engine knock. On embodiment for resonance upon vibration at frequencies in the range of 5-7 KHz has a centrally stanchion-supported overhanging metal disc with an annular stiffening portion formed with in transverse sect... | 05/18/1993 |
| 5191310 | Adjustable cycling switch for electric range A thermally responsive load cycling switch assembly user adjustable for varying the time of cycling current to load connecting terminals and having a contact blade cantilevered from an insulator block pivoted in the switch housing. A bimetal blade actuato... | 03/02/1993 |
| 5189269 | Fluid pressure switch having a Belleville washer A resilient diaphragm operated pressure switch has a Belleville spring washer with a dished spring disc nested in the center and supported on the inner periphery of the washer resisting movement of the diaphragm. An actuator member is spring biased agains... | 02/23/1993 |
| 5187944 | Variable superheat target strategy for controlling an electrically operated refrigerant expansion valve A method of controlling a refrigeration system employing an electronic controller for operating an electrically actuated refrigerant expansion valve supplying the evaporator or endothermic heat exchanger. The controller is of the type which modulates the ... | 02/23/1993 |
| 5186660 | Bi-level wiring harness connector A bi-level electrical cable or harness connector for right angle connection through a bulkhead. The individual conductors are disposed in superposed layers or levels in a connector body and terminate at staggered locations along the connector. Access hole... | 02/16/1993 |
| 5186079 | Driveline torque fuse A torque fuse for a vehicle driveline has a sleeve splined at one end to the vehicle power transmission output shaft with the other end clip-splined to the driveshaft yoke. An intermediate pre-weakened frangible area of the sleeve is designed to rupture a... | 02/16/1993 |
| 5182461 | Switching mechanism for appliance controller A programmer for controlling the actuation and deactuation of a plurality of load function switches. A motorized cam drum track moves a follower pivoted about a fulcrum pin. A solenoid controlled by a microcomputer slidably moves a bar operable to selecti... | 01/26/1993 |
| 5175927 | Method of forming electrical contact/terminal A flat strip of conductive material is formed by extrusion with an integrally formed thickened or flanged portion along at least one longitudinal edge of the extrusion. Individual contact/connector terminals are then stamped from the extrusions with the f... | 01/05/1993 |
| 5172713 | Modular mixing valve An electrically operated plural inlet-single outlet plastic mixing valve having common dual valve operator assemblies separately supplying valve flow to an outlet manifold to which the operator assemblies are attached by non-metallic weldment. In one embo... | 12/22/1992 |
| 5163295 | Controlling exhaust gas recirculation in a pressure boosted internal combustion engine A controller and method for controlling EGR in a pressure boosted engine. A valve seat is provided in the EGR passage and a hollow actuator rod is moved by a pressure-responsive diaphragm to control flow. The diaphragm senses boost inlet pressure in a cha... | 11/17/1992 |
| 5162625 | Switch assembly A switch assembly having a sliding plunger type actuator with the actuator assembled in a separate housing portion and snap-locked to a housing portion having a plurality of switches pre-assembled, with the ends of the switch blade engaging the actuator u... | 11/10/1992 |
| 5161504 | Dual mode electrical servoactuator A dual mode electrically operated servo-actuator with a motorized speed reducer rotating a pair of spaced discs each having a pair of common spiral cam tracks. A sliding carrier block disposed between the discs has cam followers separately engaging the tr... | 11/10/1992 |
| 5162774 | Remotely setting thermostatic switch assembly and refrigeration system employing same A remotely changeable thermostat for a refrigeration or air conditioning system and method and system employing same. The thermostat has a fluid filled capsule with a diaphragm movably responsive to fluid expansion and contraction for actuating, via lever... | 11/10/1992 |
| 5152360 | Throttle cable intervention device A vehicle engine throttle valve control device (10;121) is applied intermediate the vehicle operator's accelerator pedal (14) and the engine's throttle body (12) to selectively override or modify the operator's ability to control vehicle/engine speed and ... | 10/06/1992 |
| 5152151 | Measuring evaporator load in an automotive air conditioning system for compressor clutch control An electronic controller receives a suction pressure sensor signal and measures the time required for the evaporator to be heated from compressor clutch cut-out to compressor clutch "ON". Depending upon the elapsed time, the controller selects from a pred... | 10/06/1992 |
