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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Wagner Electric Corporation Patents
Assignee:
Wagner Electric Corporation
Address:
Parsippany, NJ
No. of patents:
84
Patents:


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Patent Number Title Of Patent Date Issued
RE30205 Vehicle brake system February 5, 1980
A multi-axle vehicle brake system includes an air receiving portion, a valve portion, an air storage portion and a brake portion. The air receiving portion receives air from a supply source. The valve portion is connected to the air receiving portion. The storage portion includes a p
5861203 Reinforced friction material January 19, 1999
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 f
5595266 Bonding a friction material brake lining element to a metallic backing plate element January 21, 1997
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
5535860 Brake friction pad assembly July 16, 1996
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 mecha
5535858 Brake friction pad assembly July 16, 1996
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
5480008 Brake friction pad assembly January 2, 1996
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 mecha
4302706 Glass-to-glass sealing method with conductive layer November 24, 1981
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.
4302697 Pressure relief hole seal for a sealed-beam headlamp November 24, 1981
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 woul
4297611 Control of tungsten filament erosion in a halogen lamp October 27, 1981
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 t
4295336 Master cylinder assembly with detachable reservoir October 20, 1981
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.
4262228 Electric lamp with U-shaped support wires April 14, 1981
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
4259613 Fluorescent indicator and method of making same March 31, 1981
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
4252379 Brake pressure control valve including failure warning mechanism February 24, 1981
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
4240258 Non-cup cutting master cylinder December 23, 1980
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
4237367 No-relight cigar lighter socket December 2, 1980
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
4232908 Combination push-pull valve assembly November 11, 1980
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
4224658 Rechargeable flashlight with integral variable rate battery charger for automotive use September 23, 1980
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 l
4224568 Frequency to digital converter September 23, 1980
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.
4223953 Anti-compounding brake system and valve for hydraulic cam brake actuators September 23, 1980
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 w
4219244 Fault detector for wheel slip control system August 26, 1980
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.
4206404 Vacuum fluorescent indicator June 3, 1980
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
4206382 Glass-to-glass sealing method with conductive layer June 3, 1980
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.
4196937 Load sensing control valve April 8, 1980
A valve for use in vehicle hydraulic brake systems for the purpose of limiting the rear wheel brake pressure relative to the front wheel brake pressure in order to reduce the potential for premature rear wheel lock. The valve includes a proportioning piston which operates to limit the
4196227 Method of forming carbon anodes in multidigit fluorescent display devices April 1, 1980
Finely divided carbon in emulsion in an organic silicate is silk screened onto a substrate to form conductive elements for a fluorescent display device which, when baked, provides a willing host surface upon which a phosphor coating is applied. In one embodiment of the invention, a m
4169633 Multi-function parking brake control valve with separated supply and control inputs October 2, 1979
Separate inputs for air pressure supply and parking brake control are provided to a parking brake control valve for a towed vehicle to enable manual release of the parking brakes using air pressure stored in either one of two mutually protected reservoirs on the towed vehicle without
4163585 Service and emergency trailer valve August 7, 1979
A valve for use in applying brake releasing pressure to brake chambers in a vehicle air brake system having reservoirs each containing air for either service or emergency use and having air pressure supply lines. The valve includes a housing. A chamber is formed in the housing. A port pe
4159855 Load sensing proportioning valve July 3, 1979
A valve for use in vehicle hydraulic brake systems for the purpose of limiting the rear wheel brake pressure relative to the front wheel brake pressure in order to reduce the potential for premature rear wheel lock. The valve includes a proportioning piston which operates to limit the
4156126 Cigar lighter May 22, 1979
The plug portion of a cigar lighter is assembled using a decorative disc held in place by the shaft of a knob being threaded into a disc which is secured against protuberances in a cup by a rolled flange.
4155223 Tandem brake master cylinder with auxiliary piston May 22, 1979
An auxiliary compensating piston in a tandem automotive master cylinder containing two pressure pistons closes relief port holes between the cylinder and brake fluid reservoirs. A compensating valve feeds replacement fluid into the cylinder during brake release. The auxiliary compens
4154321 Cam actuated disc brake May 15, 1979
An air-actuated disc brake develops the required force magnification to operate disc brakes from an air pressure chamber using push-pull rods driving a pair of cam levers applying normal force to one shoe plate of the disc brake. Clamp action is carried through to an opposing brake shoe
4152897 Tandem brake master cylinder May 8, 1979
A brake master cylinder contains a primary and a secondary piston each having an associated brake fluid reservoir and compensator valve. Normally, the primary piston is actuated directly by mechanical force and the secondary piston is actuated by fluid pressure acting on it from the
4152622 Lamp-base assembly May 1, 1979
A baseless light bulb is locked into a one-piece molded base and the base provides mechanical and electrical connection of the light bulb to a circuit board.
4145091 Dual relay control valve having integral solenoid valve March 20, 1979
A dual relay valve for controlling the supply of fluid pressure to two sets of brakes is operated by a single source of control fluid pressure. A solenoid-operated valve, controlled by a skid-control logic circuit isolates and vents the control fluid pressure upon detection of skid c
4142126 Vacuum fluorescent display having uniform character brightness February 27, 1979
An optical attenuator varying in optical transmission in a systematic fashion, compensates for non-uniform illumination of vacuum fluorescent characters due to filament voltage drop.
4135117 Vacuum fluorescent device with continuous strokes January 16, 1979
The inter-anode gaps in a vacuum fluorescent display device are coated with phosphor and the electronic driving circuitry permits gaps which are bounded by energized anodes to be illuminated.
4134418 Manual fluid pressure controller January 16, 1979
A manual fluid pressure controller has a handle with integral cam which mates with a non-rotating cam follower. Rotation of the handle causes displacement of the cam follower which transmits a force through a metering spring to a metering piston. The metering piston actuates a combin
4123668 Automotive dome light control with variable-time automatic holding October 31, 1978
An automotive dome light control switch maintains the dome light illuminated for a first time period after a door is shut and for a second, shorter, time period after the ignition is turned off. If the ignition switch is turned on during the first time period, the dome light is immed
4118076 Control valve having reduced crack-open pressure October 3, 1978
A control valve having relay and proportioning pistons has an intermediate piston which controls air pressure access to a blind flow chamber. At a relatively low value of control air pressure, the intermediate piston is shuttled into a position which closes and traps the existing value o
4117681 Tandem master cylinder with integral proportioning valve October 3, 1978
A tandem brake master cylinder has a proportioning valve between two pressure regions therein. The pressure in a second pressure region changes by a proportion of the change in a first pressure region at least over a part of the pressure range of the first pressure region.
4107494 Master cylinder reservoir with vacuum relief diaphragm and guarded fluid level sensor August 15, 1978
A brake fluid reservoir includes a main body portion having a cap securing a diaphragm between the body and the cap. A sensor is mounted to protrude into the reservoir for indicating a predetermined minimum level of brake fluid in the reservoir. The diaphragm is provided for correspondin
4106006 Dual-frequency induction-keyed control circuit with keying network having variable resonant freq August 8, 1978
A dual-frequency keyable control circuit is triggered into providing an electrical control output signal when two passive keying circuits, tuned to the correct radio frequencies are brought close enough to a sensing element of the keyable control circuit to cause mutual influence between
4103265 Fluid bilevel sensor July 25, 1978
A fluid bilevel sensor containing a differential float and a magnetically actuatable switch generating an electrical signal upon the occurrence of one fluid level. A thermal time delay delays the application of the electrical signal to a load for a predetermined time. The magnetically
4101791 Dual channel wide-band frequency modulated keyable control circuit and keying circuit therefor July 18, 1978
A dead-oscillator detector in a wide band frequency modulated keyable control circuit averts attempted actuation of the unlocking function by the coupling of untuned energy-absorbing material, such as iron, to a sensing coil. The energy absorbing material, being unresponsive to frequ
4100455 Vacuum fluorescent display device with circular polarizer July 11, 1978
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
4094388 Automatic brake adjusting means June 13, 1978
An air-actuated disc brake develops the required force magnification to operate disc brakes from an air pressure chamber using push-pull rods driving a pair of cam levers applying normal force to one shoe plate of the disc brake. Clamp action is carried through to an opposing brake shoe
4091250 Electro-mechanical liquid level sensor May 23, 1978
An electro mechanical liquid level sensor is disclosed. The sensor comprises a magnetically operable switch which responds to liquid level in a container to complete a circuit for actuating a warning light or the like. The switch comprises an electrical contact operative in response to
4090099 Point sensor mounting apparatus May 16, 1978
A non-elastomeric sensor holding fixture using metal-to-sensor contact friction in a wheel slip control system maintains a wheel speed sensor in intimate contact with an exciter wheel without the excessive sensor wear which otherwise happens when the wheel speed sensor is held in place w
4090050 Electro-mechanical liquid level sensor May 16, 1978
An electro-mechanical liquid level sensor is disclosed. The sensor comprises a magnetically operable switch in response to liquid level to complete a circuit for actuating a warning light or the like. The switch comprises a movable electrical contact operative to be moved by magnetic
4089393 Cam actuated disc brake May 16, 1978
An air-actuated disc brake develops the required force magnification to operate disc brakes from an air pressure chamber using push-pull rods driving a pair of cam levers applying normal force to one shoe plate of the disc brake. Clamp action is carried through to an opposing brake shoe
4080004 Service and emergency trailer valve March 21, 1978
A valve for use in applying brake releasing pressure to brake chambers in a vehicle air brake system having reservoirs each containing air for either service or emergency use and having air pressure supply lines. The valve includes a housing. A chamber is formed in the housing. A port pe
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