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Attorney: MacLean, Jr.; Kenneth H.


Number of patents: 89
Last date: August 16, 1994

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NumberTitleIssue Date
5337704Engine cooling system with thermostat coolant flow control between head and block
An improved cooling system for an internal combustion engine in an automotive vehicle which utilizes recirculating liquid coolant and provides an initial engine warm-up flow circuit extending: from a coolant pump, through cooling passages in the cylinder ...
08/16/1994
5190322Sealing cuff for blow molded plastic components
A cuff type air seal for sealing the overlap of partly telescoped parts that has an annular body of rubber or elastomer material having annular internal air sealing beads thereon which are adapted to fit on outer peripheral surfaces of the parts adjacent ...
03/02/1993
5076092Yieldable roller assembly for a die set in a stamping press
In a stamping press, a support assembly for a die set including a cylindrical roller mounted on spring means of sufficient strength so that the cylindrical roller normally supports a die set slightly above a press's bolster surface for easy movement there...
12/31/1991
5024687Dry air purge system for vapor canister
In a vehicle with an internal combustion engine and a fuel tank and having a fuel vapor recovery system to collect fuel vapors from the fuel tank as the tank is filled with liquid fuel which includes a canister to collect vapors, an air inletting apparatu...
06/18/1991
5014557Composite base for a pressure transducer
An oil pressure transducer with an improved composite base portion for mounting the transducer to a vehicle engine or the like to receive pressurized oil. The composite base has a skeletal component with a particularly effective configuration to permit se...
05/14/1991
5010781Retaining assembly for throttle and speed control cables
A retaining assembly for retaining a throttle and speed control cable to a cable mounting bracket. The retaining assembly includes a first end fitting on the speed control cable with spaced flanges which allow the first end fitting to slide into an apertu...
04/30/1991
5005550Canister purge for turbo engine
An improved fuel vapor purging system for a vehicle vapor storage canister associate with a positively charged engine such as a turbocharged or supercharged engine. An aspirator device is utilized to provide a pressure differential with respect to atmosph...
04/09/1991
5003683Forming bores in bendable layered materials
A method of forming a circular opening in a layered sheet material to be subsequently bent which causes the layers to shift relative to one another in a direction normal to the bend including the steps of piercing the layers material with an oblong openin...
04/02/1991
4998524Manifold mounted air pump
In association with an internal combustion engine having an intake manifold with an inlet opening at one end, an air pump of the type including an impeller on a rotatable shaft and a discharge opening, with the air pump mounted directly to the manifold so...
03/12/1991
4993578Lateral impact reactive fuel tank cap
For the inlet of a vehicle fuel tank, an improved cap having an outer gripping portion and an inner body portion for threading into tank's inlet. The inner and outer portions are connected by several axially extending, thin posts so that when the outer po...
02/19/1991
4986126Transducer with heat sink
An improved electronic oil pressure transducer with a circuit board supporting a power transistor and with a metal heat sink attached to the transducer so that a portion thereof extends through an aperture in the transducer housing and into intimate conta...
01/22/1991
4982847Printed wiring board stand-off guide
A board guide assembly (10) includes a printed wiring board (12) which is maintained at predetermined horizontal and vertical positions by a pair of guide mechanisms (42). The guide mechanism (42) includes a lower guide member (48) having a ramped upper s...
01/08/1991
4982607Composite cylinder for a mini oil pressure transducer
An improved pressure transducer to measure and indicate fluid pressure levels including a housing in which a piston assembly is movable in response to pressure changes, the housing being of a composite material of metal and plastic and having grooves ther...
01/08/1991
4973188Pointer bushing
A pointer bushing for securing an indicating element to an output shaft of an indicating instrument includes a base for spacing the pointer above the instrument face, a collar for connecting the base to the indicating element, and an S-shaped shaft grippi...
11/27/1990
4966299Fuel assembly having a vapor vent with a hinged float valve
In association with a fuel tank of a vehicle with an inlet, an improved fuel filler assembly therein with first and second sealing means for isolating the interior of the fuel tank from the atmosphere and a vapor storage canister before a refill of the ta...
10/30/1990
4951478Variable capacity control valve
In an automobile air conditioning system, an improved orifice type expansion device includes a movable piston which supports an orifice tube so that the piston is moved in response to higher than normal condenser pressure towards a stationary plug member ...
08/28/1990
4944265Oil restricting head gasket construction
In an internal combustion engine having an engine block and a cylinder head, a pair of axially offset lubricating oil passsages in the block and the head respectively positioned so that there is no direct axial communication therebetween and with a gasket...
07/31/1990
4944629Quick change tool holder
A quick change tool holder including two basic component assemblies, the first component assembly having a central boss portion and the second component assembly having a recess to receive the boss portion when the two component assemblies are attached to...
07/31/1990
4938122Improved outlet assembly
An improved air directing outlet assembly particularly for an automobile air conditioning system including open front ended and rear ended frame and barrel members. The frame surrounds the barrel which is supported thereby for pivotal movements as guided ...
07/03/1990
4925465Vapor control insulation blanket
A vapor recovery canister comprises a flexible envelope defining a chamber which contains an insulating material impregnated with hydrocarbon adsorbent. Nipples connect the chamber in fluid communication with the exterior of the envelope so that the vapor...
05/15/1990
4905647Throttle body
A throttle body defining a passageway and including a throttle valve formed by a pivoting plate is profiled to include a venturi nozzle whose converging wall lies adjacent the path of the plate periphery. The radius, and other characteristics of the conve...
03/06/1990
4905656Emission control valve with internal spring
A gas flow control valve for engine crankcase emissions includes an enclosure and a hollow valve element which is supported on a rod to permit sliding movements in response to a balance of forces produced by gas pressure and a closing spring located withi...
03/06/1990
4901686Engine heating assembly
For use with a liquid cooled engine with a freeze plug opening, a heater assembly with a resistance type heating element supported in the interior of a generally cup-shaped housing with an open end positioned over the freeze plug opening....
02/20/1990
4886467Quick change tool holder
A support device for a tool or fixture which uses pressurized fluid or electricity for power including two base assemblies adapted to be attached together in a manner permitting ready attachment and detachment and with each base having a metallic conduit ...
12/12/1989
4886182Fuel filler assembly
For a vehicle with a body opening to a fuel filler inlet tube and a pivotal cover panel normally covering the body opening, a funnel member loosely supported in the inlet tube which is attached to the panel so that the funnel is moved axially in the tube ...
12/12/1989
4886032Fuel injector heating method
An injector heating apparatus and method for a vehicle engine having fuel injectors with a solenoid coil in a housing for passing fuel into the engine, including an electrical control unit with a alternate normal engine run mode and an injector heating mo...
12/12/1989
4886180Reinforcement for a plastic fuel tank
A fuel tank of blow molded plastic which has an elongated bottom needing reinforcement, the reinforcement including an elongated groove or channel molded in the tank bottom and an elongated tubular plastic reinforcement member, both member and channel hav...
12/12/1989
4886033Stabilized flow control valve
A gas flow control valve for engine crankcase emissions includes an enclosure and a hollow valve element which is supported on a rod to permit sliding movements in response to a balance of forces produced by gas pressure and a closing spring located withi...
12/12/1989
4873837Dual evaporator air conditioner
This application concerns an automobile air conditioning system having two evaporators and one compressor which is alternately activated and deactivated to prevent frost from accumulating on one of the evaporators by way of a refrigerant pressure responsi...
10/17/1989
4870932Fuel injection heating system
An injector heating apparatus and system for a vehicle engine having fuel injectors with a solenoid coil in a housing for passing fuel into the engine, including an electrical control unit to alternately produce a normal engine run mode and an injector he...
10/03/1989
4866989Pressure transducer with a sealed sensor
A transducer for sensing fluid pressure including an enclosure forming housing, a cup-shaped rubber-like mount having an end wall and an annular side wall for supporting a pressure sensing electronic chip against the inner end wall surface of the mount. T...
09/19/1989
4860597Belt tension tester
The belt tension measuring device includes an enclosure supporting a movable load cell therein, the load cell being connected at one end to a belt contacting member and at the other end to a manually activated handle means so that the contact member can b...
08/29/1989
4852765Fuel tank with bladder
A fuel tank with a sheet metal outer enclosure and an inner resilient liner overlying the outer enclosure with the upper surface of the liner being mold formed into a configuration suitable to act as a movable bladder to thus separate the tank interior in...
08/01/1989
4846760Shaft coupler
A coupler to connect spaced apart ends of a pair of aligned shafts in an odometer assembly, for example, the shaft supporting a permanent or total mileage counting device and another shaft supporting a trip counting device. The coupler has a central body ...
07/11/1989
4846762Shaft coupler for automated assembly
A shaft coupler particularly adapted for automated assembly to axially spaced ends of two axially aligned shafts such as are commonly found in an odometer assembly. The coupler has a main body portion with a guide portion adapted for insertion between the...
07/11/1989
4843883Differential pressure fluid level sensor
A liquid fluid level sensor responds to differential pressure forces exerted on a diaphragm as produced by exposure of liquid fluid to one side and of atmosphere to the other side. An arched resistance card is movable with the diaphragm to engage the mid-...
07/04/1989
4842425Odometer shaft retainer and support
A support and retainer for a shaft to be supported in spaced overlying relation to a base member as found in an odometer assembly, including an upstanding projection or post which has a bearing portion for support purposes and further including an adjacen...
06/27/1989
4836792Connector
An improved combination of a circuit board and mounted electrical device with means to indirectly secure the electrical device to the circuit board. A pin of the electrical device extends through an aperture in the circuit board. An electrically conductiv...
06/06/1989
4822319Instrument drive coupler
A coupler to connect spaced apart ends of a pair of aligned shafts of an odometer assembly, for example, a shaft supporting permanent or total mileage indicating wheels and another shaft supporting trip indicating wheels. The coupler has a generally tubul...
04/18/1989
4807478Pressure transducer
A fluid pressure transducer with an efficient mechanism to transform linear movements of a diaphragm mid portion, for example, into rotative movements of an electrical contact assembly which is slidably interactive with a resistive circuit board means....
02/28/1989
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