Patents Assigned to Wagner Electric Corporation
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Patent number: 5861203Abstract: An improved reinforced friction material is comprised of a cured friction material mixture of friction particles, filler particles, and binder particles, and has a embedded honeycomb core reinforcement whose individual cells are filled with and bonded at the cell walls to the cured friction material mixture by a novel manufacturing method.Type: GrantFiled: April 22, 1996Date of Patent: January 19, 1999Assignee: Wagner Electric CorporationInventors: Yongbin Yuan, Stanley Frank Kulis, Jr., Timothy Franklin Merkel
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Patent number: 5595266Abstract: A friction brake subassembly is provided with a metallic backing plate element and with a friction material brake lining element integrally adhered to the backing plate element, the brake lining element friction material composition comprising friction material particles and an epoxy resin binder preferably in the approximate range of from 10% to 40% of the friction material composition total weight. Methods are disclosed for integrally bonding the brake lining element to the backing plate element.Type: GrantFiled: June 26, 1995Date of Patent: January 21, 1997Assignee: Wagner Electric CorporationInventor: James A. Cecere
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Patent number: 5535858Abstract: A brake friction pad assembly is provided with a metallic backing plate element, a friction pad element having a mating surface, an air-dried and completely thermally cured elastomeric adhesive material film joined in cure-bonded relation to the mating surface of the friction pad element, and mechanical fasteners joining the friction pad element and adhered elastomeric adhesive material film to the backing plate element with the elastomeric adhesive material film in an intermediate position.Type: GrantFiled: June 26, 1995Date of Patent: July 16, 1996Assignee: Wagner Electric CorporationInventors: Alan R. Hummel, John P. Kwolek
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Patent number: 5535860Abstract: A brake friction pad assembly is provided with a metallic backing plate element, a friction pad element having a mating surface, an air-dried and thermally cured elastomeric adhesive material film joined in cure-bonded relation to the mating surface of the friction pad element, and mechanical fasteners joining the friction pad element and adhered elastomeric adhesive material film to the backing plate element with the elastomeric adhesive material film in an intermediate position.Type: GrantFiled: August 14, 1995Date of Patent: July 16, 1996Assignee: Wagner Electric CorporationInventors: Alan R. Hummel, John P. Kwolek
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Patent number: 5480008Abstract: A brake friction pad assembly is provided with a metallic backing plate element, a friction pad element having a mating surface, an air-dried and thermally cured elastomeric adhesive material film joined in cure-bonded relation to the mating surface of the friction pad element, and mechanical fasteners joining the friction pad element and adhered elastomeric adhesive material film to the backing plate element with the elastomeric adhesive material film in an intermediate position.Type: GrantFiled: March 23, 1994Date of Patent: January 2, 1996Assignee: Wagner Electric CorporationInventors: Alan R. Hummel, John P. Kwolek
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Patent number: 4302706Abstract: A glass-to-glass seal with an intervening layer of metal oxide is made using a frit containing a high lead content and a metallic nucleating agent. The metal oxide may optionally be used to provide conductive paths through the seal without embedded metallic conductors.Type: GrantFiled: January 14, 1980Date of Patent: November 24, 1981Assignee: Wagner Electric CorporationInventor: Richard DuBois
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Patent number: 4302697Abstract: The invention relates to automobile sealed-beam headlamps in which a reflector and lens assembly are hermetically sealed by an epoxy resin. A pressure relief hole in the reflector eliminates the problem of excessive expansion and contraction of the atmosphere within the lamp such as would prevent forming a hermetic seal between the reflector and lens during the epoxy resin curing cycle. A deformable metal pellet forms a hermetic seal in the pressure relief hole. An epoxy resin is applied over the deformable metal seal and cured to produce a final permanent seal.Type: GrantFiled: November 19, 1979Date of Patent: November 24, 1981Assignee: Wagner Electric CorporationInventors: Nickolas P. Demas, James E. Bair, Robert A. Grunder
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Patent number: 4297611Abstract: The present invention is directed to an incandescent lamp having tungsten filaments and halogen gas in the lamp enclosure wherein an inoperative surrogate tungsten filament is incorporated to reduce the tendency for active halogen gas to attack the filament and other metal parts within the lamp enclosure.Type: GrantFiled: October 2, 1979Date of Patent: October 27, 1981Assignee: Wagner Electric CorporationInventor: Salvatore F. Cortorillo
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Patent number: 4295336Abstract: A master cylinder assembly includes a body in which fluid pressure is developed. A fluid reservoir is detachably attached to the sides of the body. Fluid communication between the fluid reservoir and the body is provided through one of the sides of the body.Type: GrantFiled: February 5, 1980Date of Patent: October 20, 1981Assignee: Wagner Electric CorporationInventor: Edward J. Falk
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Patent number: 4262228Abstract: An electric lamp including a reflector and a lens secured together to define an enclosure therebetween. A bulb is supported in the enclosure by support wires. Each support wire has a substantially U-shaped portion, and the base portion of the bulb is engaged in the substantially U-shaped portions of the support wires.Type: GrantFiled: July 18, 1979Date of Patent: April 14, 1981Assignee: Wagner Electric CorporationInventor: Oliver B. Cruse
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Patent number: 4259613Abstract: A fluorescent display has phosphor coated electrodes selectably electronically excited into an illuminated condition. A foraminous screen controls illumination of the electrodes. An embodiment of the invention with a linear array of anodes and an analog-to-digital power supply forms a linear scale indicator. A method of assembly is also disclosed.Type: GrantFiled: January 5, 1979Date of Patent: March 31, 1981Assignee: Wagner Electric CorporationInventor: Richard DuBois
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Patent number: 4252379Abstract: A pressure control valve for use in vehicle hydraulic diagonal split brake systems. The valve includes two valve pistons which operate to limit the fluid pressure delivered to the rear wheel brakes relative to that delivered to the front wheel brakes. The valve also includes a failure warning mechanism having a switch actuating piston. In the event of a failure in one branch of the diagonal split brake system, the switch actuating piston operates to simultaneously preclude the two valve pistons from limiting the rear wheel brake pressure so that the rear wheel brake in the unfailed branch of the brake system can develop the maximum braking effort for vehicle emergency braking.Type: GrantFiled: December 19, 1979Date of Patent: February 24, 1981Assignee: Wagner Electric CorporationInventor: Edward J. Falk
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Patent number: 4240258Abstract: A master cylinder including a housing having a fluid reservoir and a cavity. A first piston is movable in the cavity. A sealing member is positioned for movement with the first piston. A fluid chamber is formed in the cavity ahead of the first piston. A second piston is movable within the first piston into and out of sealing engagement with the sealing member to close and open, respectively, a fluid path between the fluid reservoir and the fluid chamber.Type: GrantFiled: November 7, 1978Date of Patent: December 23, 1980Assignee: Wagner Electric CorporationInventors: Richard W. Angert, Stephen G. Palmer
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Patent number: 4237367Abstract: The bimetallic clamping member of a cigar lighter socket is expanded and lengthened to completely disengage the burner cup when the cigar lighter is pressed fully into its socket. An insulating coating on a stop member ensures that no electrical circuit is established through the burner while the cigar lighter remains pressed.Type: GrantFiled: December 6, 1978Date of Patent: December 2, 1980Assignee: Wagner Electric CorporationInventor: Walter Pecota
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Patent number: 4232908Abstract: A two knob control for tractor and trailer parking brakes providing single knob application of both tractor and trailer parking brakes. It also provides for maintaining the tractor parking brakes in the applied condition while charging the trailer brake air system and for applying the trailer brakes independently of the tractor brakes. Automatic application of trailer parking brakes is provided upon trailer breakaway or a significant reduction in tractor reservoir air pressure.Type: GrantFiled: February 7, 1978Date of Patent: November 11, 1980Assignee: Wagner Electric CorporationInventor: George W. Stearns
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Patent number: 4224568Abstract: A frequency measuring device measures the number of full cycles of a periodically time varying signal which occurs in a fixed sampling period and calculates the fraction of a cycle of the signal occurring in the sampling period.Type: GrantFiled: May 8, 1978Date of Patent: September 23, 1980Assignee: Wagner Electric CorporationInventor: Paul Griner
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Patent number: 4224658Abstract: A rechargeable flashlight fits into and draws recharging power from an automotive type cigar lighter socket. A thermally controlled charging circuit within the flashlight adjusts the charging rate according to the ambient temperature. When the flashlight is withdrawn from the cigar lighter socket, it is illuminated; when it is replaced it is extinguished. Alternatively, the flashlight may be manually illuminated or extinguished outside the charging socket.Type: GrantFiled: August 10, 1978Date of Patent: September 23, 1980Assignee: Wagner Electric CorporationInventor: Hemming G. Siiberg
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Patent number: 4223953Abstract: In a hydraulic brake system which combines a spring actuated, hydraulically released parking brake system with a hydraulically actuated service brake system and in which the parking and service brake systems both operate through a common force-transmitting element on the brakes, and in which the fluids in the two brake systems are mutually incompatible, an anti-compounding valve limits the sum of the forces which can be transmitted by the common force-transmitting element when the service and parking brake systems are simultaneously applied and which maintains the fluid in the two brake systems isolated from each other.Type: GrantFiled: September 22, 1978Date of Patent: September 23, 1980Assignee: Wagner Electric CorporationInventor: Oliver B. Cruse
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Patent number: 4219244Abstract: A memory circuit increments when sensor fallout or short solenoid energization is detected in a wheel slip control system. A disable or alarm signal is generated when the memory contents reach a predetermined threshold.Type: GrantFiled: May 8, 1978Date of Patent: August 26, 1980Assignee: Wagner Electric CorporationInventors: Paul K. Griner, Joseph E. Fleagle
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Patent number: 4206404Abstract: A vacuum fluorescent display has a filament heated below incandescence and phosphor coated anodes. A foraminous charge-control electrostatic lens between the filament and the viewer both controls uniform illumination of the anodes and also comprises part of a contrast-enhancement element. An embodiment of the invention with a linear array of anodes and an analog-to-digital power supply forms a linear scale indicator.Type: GrantFiled: January 11, 1978Date of Patent: June 3, 1980Assignee: Wagner Electric CorporationInventor: Richard DuBois