| Patent Number |
Title Of Patent |
Date Issued |
| 7098270 |
Fluoroelastomer composition |
August 29, 2006 |
| A fluoroelastomer composition contains a peroxide-curable solid fluoroelastomer and a peroxide curative agent combined therewith, and, a bisphenol-curable liquid fluoroelastomer and a bisphenol curative agent combined therewith. The solid fluoroelastomer/peroxide curative when combin |
| 7040474 |
Bonded clutch piston |
May 9, 2006 |
| A clutch assembly is provided including a first member and a second member rotatable relative to the first member. A clutch pack is provided for frictionally engaging the first and second members. A piston chamber is provided adjacent to the clutch pack, and a piston is disposed in the |
| 7025357 |
Shaft seal having lip supports |
April 11, 2006 |
| A shaft seal includes an elastomeric annular body having an outwardly protruding annular lip. An annular outer case is embedded into the body. An annular insert is positioned adjacent the outer case. An annular inner case is embedded into the body adjacent the insert. The outer case, the |
| 7022769 |
Dynamic vulcanization of fluorocarbon elastomers |
April 4, 2006 |
| Processable rubber compositions contain a vulcanized fluorocarbon elastomer dispersed in a matrix of a non-fluorine containing thermoplastic polymeric material. In one embodiment the matrix forms a continuous phase and the vulcanized elastomeric material is in the form of particles f |
| 7021447 |
Apply piston seal for a clutch |
April 4, 2006 |
| An apply piston seal is provided for a clutch assembly utilizing a balance piston. The apply piston seal is bonded to the apply piston and provides a sealing relationship between the apply piston and balance piston. By bonding the seal to the apply piston, the manufacturing of the balanc |
| 7004477 |
Reduced load gasket |
February 28, 2006 |
| A gasket is adapted to seal between a first member and a second member, and includes a first portion a second portion. The first portion includes a first elastomeric seal portion adapted to be in sealing engagement with the first member. The first portion may also include a clip or a coi |
| 6997285 |
Shaft seal with lubrication device |
February 14, 2006 |
| A shaft seal assembly for use with a reciprocating or rotating shaft includes a shaft seal, a lubricant-storing ring, and a retainer. The retainer and ring can be formed as a subassembly and then combined with a shaft seal. The assembly provides a lubricated shaft and seal that impro |
| 6994354 |
Vibrationally decoupling gasket |
February 7, 2006 |
| A gasket includes a fist sealing portion, a second sealing portion, and an elastic arm sealingly connecting between the two. The first sealing portion sealingly engages a first member and the second sealing portion sealingly engages a second member. The elastic arm is not highly comp |
| 6945538 |
Cylinder head gasket and method of producing |
September 20, 2005 |
| A cylinder head gasket that includes a body that has holes stamped through it and is then coated with an encapsulant before assembling armor to the body of the gasket. A topcoat is coated over the body and armor. The encapsulant is preferably an epoxy primer and the topcoat is preferably |
| 6902155 |
Air spring elliptical piston |
June 7, 2005 |
| A side load compensating air spring piston having an elliptical cross-section. The side load compensating air spring comprises an air spring sleeve forming a chamber and having a rolling lobe. One end of the sleeve is attached to a tilted end cap for side load compensation. The other |
| 6901902 |
Two-piece valve stem seal |
June 7, 2005 |
| A two piece valve stem seal assembly including first and second generally cylindrical shells, one of which is partially axially nested or inserted within the other. The valve stem seal assembly also includes an engagement portion on the one of the shells for grippingly engaging the outer |
| 6896481 |
Deflectable enclosure cover |
May 24, 2005 |
| A water pump includes a first enclosure having a center portion that is moveable from a normal condition to a deflected condition and a second enclosure adjacent to the first to form an internal cavity. An impeller is disposed within the internal cavity. A tubular shaft portion extends f |
| 6884537 |
Structural seal for a fuel cell |
April 26, 2005 |
| A fuel cell gasket employed to seal around an individual cell of a fuel cell assembly. The gaskets include sealing beads that are compressed against separator plates. Adhesive layers located between the gaskets and separator plates hold the gaskets against the separator plates and ma |
| 6861171 |
Gasket assembly |
March 1, 2005 |
| A static gasket adapted to seal a joint between a first member and a second member, the joint having a clamp load applied to the first and second members. The gasket including a carrier member having a first side sand an opposite sides. An elastomeric member is on the carrier member. The |
| 6852805 |
Solventless liquid FKM compounds |
February 8, 2005 |
| This invention relates to a solventless liquid FKM compound. The compound includes a liquid FKM rubber. The compound also includes a nonsulfur curing agent. The curing agent is present in an amount of at least about 5% by weight of the compound. The compound contains substantially no |
| 6812294 |
Solventless liquid nitrile compounds |
November 2, 2004 |
| In one embodiment, this invention relates to a solventless liquid nitrile compound. The compound includes a liquid nitrile rubber. The compound also includes a curing agent selected from sulfur and/or sulfur donors. The curing agent is present in an amount of at least about 3% by weight |
| 6749186 |
Hydraulic bushing with springs in parallel |
June 15, 2004 |
| A hydraulic bushing forms a mount between a first component and a second component by including a spring portion connected between a core and an inner structure. The spring portion includes a first spring portion for defining hydraulic fluid cavities and a fluid channel extending between |
| 6729624 |
Radial shaft seal |
May 4, 2004 |
| A radial shaft seal for dynamic applications is disclosed. The shaft seal has a case member and a resilient sealing body attached to the case member. The sealing body includes an annular elastomeric member and a resinous ring. The elastomeric member has a radially extending section and |
| 6685428 |
Integrated boot, seal and impeller system |
February 3, 2004 |
| An integrated boot, seal and impeller system is adapted for being driven by a pump shaft. The system includes an impeller unit having a plurality of radially extending blades, a hub portion, a recess in the hub portion and a tubular portion extending from the hub portion. The tubular por |
| 6675759 |
Crankshaft damper |
January 13, 2004 |
| A crankshaft damper includes a hub and a rim. The rim has an outer diameter greater than an outer diameter of the hub. A plurality of spokes connects the rim to the hub. An axial inner surface is formed on the rim and projects forwardly of the spokes. A damper support includes a band and |
| 6624251 |
Highly chemically resistant thermoplastic vulcanizates based on fluorocarbon polymers and seal-g |
September 23, 2003 |
| Disclosed are new fluid resistant, in particular resistant to chemically basic compounds, for example those compounds containing amines, and exceptional processing fluorine containing thermoplastic vulcanizate compositions comprising a continuous phase of at least one melt-formable t |
| 6561519 |
Dual seal |
May 13, 2003 |
| A pair of spaced apart radial shaft seals are held together by an interlocking pair of support members. The support members form an inner cavity which is in flow communication with the annulus between the shaft seals and the shaft. The inner cavity is vented to the atmosphere by means |
| 6559633 |
Speed sensor with a seal |
May 6, 2003 |
| A speed sensing seal with a first support member, a second support member, a magnetic elastomer member, a sensor member and an elastomeric seal member is disclosed. The magnetic elastomeric member with alternating adjacent poles is formed on the first support member and the sensor member |
| 6557838 |
Hydraulic engine mount having a one-piece inner support structure |
May 6, 2003 |
| A hydraulic engine mount includes a bushing assembly having a core bonded to an inner support structure by an elastomeric material. The inner support structure includes a first ring, a second ring, and a plurality of legs. The first ring includes an annular wall, an outer end wall, and a |
| 6540216 |
Foamed elastomer engine mount isolating bushing |
April 1, 2003 |
| An engine mount bushing for use on a motor vehicle. The bushing includes a hard case, and a core located within that case. The bushing further includes an elastomer isolator contacting the core and case. The bushing also includes a foamed elastomer isolator contacting the core, the case |
| 6471179 |
Isolation mount |
October 29, 2002 |
| An isolation mount for use in a motor vehicle is disclosed. The motor vehicle has a body portion and a subframe portion. The subframe has a through hole. The isolation mount includes a thimble member having a flanged portion and an axially extending tube portion. An annular foamed el |
| 6428013 |
Reverse seal |
August 6, 2002 |
| An improved dual lip radial shaft seal is disclosed. The free end of the dual lip seal extends toward the air side of the seal. Optionally, the dual lip seal has an oil side excluder lip seal, an air side dust excluder lip seal, an elastomeric static seal extending from the elastomeric |
| 6419215 |
Bi-component bushing |
July 16, 2002 |
| A bushing is disclosed with a sleeve. The sleeve member has an inner surface and a cavity. A core member is disposed in the cavity. A pair of elastomeric members are disposed in the cavity. One of the pair of elastomeric members is adjacent to the core. The other of the pair of elast |
| 6409177 |
Rotary shaft seal |
June 25, 2002 |
| A radial shaft seal with a membrane is disclosed. The surface of the membrane is in sealing contact with the shaft. A plurality of inclined waves are formed in the surface in response to shear stresses formed by movement of one of the support rings relative to the other. The inclined |
| 6394463 |
Oil seal |
May 28, 2002 |
| The oil seal of the present invention for a valve stem includes a triple seal lip having a cam chamber side lip, a first combustion chamber side lip and a second combustion chamber side lip. Notches are provided on the second combustion chamber side lip and other notches are provided on |
| 6364296 |
Shear mount |
April 2, 2002 |
| A body mount for absorbing compressive and shear forces in a vehicle is disclosed. The body mount includes a retainer member with a radial portion and an axially extending tubular portion. A microcellular bushing has base, a top, and a passageway extending from the top to the base. The |
| 6328528 |
Elastomeric pump impeller |
December 11, 2001 |
| A water pump with a plurality of elastomeric blades on a rigid impeller is disclosed. The impeller has a tubular extension with a pair of flats on the outer diameter of the extension. The seal seat has a corresponding pair of flats on its inner diameter to engage the flats on the tubular |
| 6268056 |
Seal assembly with new resin stabilized adhesive composition to bond an insert member to the ela |
July 31, 2001 |
| In a seal assembly having a support member made of either metal or plastic, and an elastomeric sealing material bonded by an adhesive composition to said support member, said composition being an epoxy resin stabilized silane adhesive composition made up from the following materials in p |
| 6265474 |
Nitrile butadiene rubber composition |
July 24, 2001 |
| An NBR composition comprising: an NBR; (A) a carbocyclic phosphite compound represented by the following general formula, ##STR1##wherein R is an alkyl group having a carbon number of integer of 8 to 24, or a mono-, di- or tri- submitted phenyl group by alkyl group having a carbon nu |
| 6250615 |
Vibration isolator with a tension restraint |
June 26, 2001 |
| A mount is provided with a pair of spaced apart support members. One of the support members includes a stop. A vibration isolation member is connected to both support members. The vibration isolation member has a rubber block for absorbing unwanted vibrations. A restraint member is conne |
| 6173966 |
T-joint gasket assembly |
January 16, 2001 |
| A T-joint gasket assembly for sealing a first surface, a second surface adjacent to the first surface and a third surface intersecting the first and second surfaces, said first, second and third surfaces generally forming a T-joint, said T-joint being sealed absent an external sealant |
| 6162847 |
Preparing NBR rubber seal products with phosphite and phosphate additives |
December 19, 2000 |
| A method for preparing a rubber seal product of a type which contacts a metal surface for sealing thereof, comprising the steps of: preparing a rubber composition comprising acrylonitrile butadiene rubber (NBR), (A) a carbocyclic phosphite compound represented by the general formula |
| 6161840 |
Elastomeric sealing assembly |
December 19, 2000 |
| A static gasket for sealing mating flanges which are clamped together by at least one fastener. A carrier holds the seal in a groove and the seal is protected from over compression by a compression limiter which is inserted into an aperture in the carrier. The compression limiter is cres |
| 6158726 |
Integrated cup insert jounce bumper |
December 12, 2000 |
| A novel elastic bumper assembly put on an automotive vehicle or the like which includes an elastic bumper member adapted for repetitive cushioning against impacts, wherein the elastic bumper member is formed of a material selected from at least one of the group consisting of solid and fo |
| 6113106 |
Gimballed mechanical face seal |
September 5, 2000 |
| A mechanical face seal for use in a pump. The mechanical face seal including a seal head assembly, a seal seat assembly opposite and in contact with the seal head assembly. The seal head assembly including a gimbal ring engaging a first and second pair of gimbal pads. The first pair |
| 6073933 |
Load bearing washer and dirt excluder |
June 13, 2000 |
| A washer and dirt excluder for use with a seal. The washer and dirt excluder includes a flexible ring where that ring is in contact with an outer flange. The washer and dirt excluder further includes a stopper member located at a center point of the flexible ring. The washer and dirt |
| 6062815 |
Unitized seal impeller thrust system |
May 16, 2000 |
| A unitized seal impeller thrust system includes an impeller unit which includes a tubular neck portion that has flat surfaces on opposite sides of one another. The impeller unit includes a plurality of radially extending blades and a circular trough surrounding the neck portion. The |
| 6029980 |
Fluid side contamination exclusion sealing lip for radial shaft seals |
February 29, 2000 |
| A radial shaft seal for use on a shaft, said radial shaft seal including a rigid insert generally having a L-shaped cross section. The shaft seal including a circumferential seal body molded around the insert. The shaft seal further including an exclusion lip integral with the seal body, |
| 6003878 |
T-joint gasket assembly |
December 21, 1999 |
| A gasket assembly for use in an automotive engine for sealing a T-joint or multi-joint assembly without the use of a secondary sealing media such as RTV. The gasket assembly including a first gasket having a core member, having a plurality of orifices. A seal member attached to the side |
| 5921555 |
Uni-directional seal for use on a shaft |
July 13, 1999 |
| A uni-directional seal member for use on a shaft includes a rigid shell, a support member in contact with the rigid shell, and a resilient sealing member in contact with the support member and an insert washer. The sealing member has a sealing face, where that sealing face has a contact |
| 5899440 |
Diaphragm valve |
May 4, 1999 |
| A diaphragm valve having a diaphragm functioning as a valve body. Unlike the conventional valve of this type, the retainer for pressing the sealing section of the diaphragm against the valve seat is provided with a predetermined number of rectangular apertures or concave portions at |
| 5895051 |
Noise abating beads on a rack seal |
April 20, 1999 |
| A rack seal for use with a rack bushing and seal retainer wherein the rack bushing is made of a thermoplastic material and includes a face with a plurality of cooling cavities. The rack seal includes a body member, an annular sealing face, and a retainer air side which is in constant con |
| 5875550 |
Steer spindle bullet tool |
March 2, 1999 |
| A spindle bullet for mounting a hub on a steer spindle of a steer axle. The spindle bullet includes a body member in contact with a reduced diameter portion. The body member includes a circular cavity. A circular channel connects an end of the reduced diameter portion and the cavity. |
| 5791658 |
Seal design with bi-directional pumping |
August 11, 1998 |
| A shaft seal of the type utilizing a metal support element or seal case which fits or is inserted into a housing. The seal includes a seal element extending radially inward which when disposed over the shaft causes the seal to flex about a flex section thus applying a contacting force to |
| 5775284 |
Two-piece valve stem seal |
July 7, 1998 |
| A two piece valve stem seal assembly including a first rigid cylindrical shell having a flange portion and an end wall at a top portion. The valve stem seal assembly also includes a second rigid cylindrical shell having an outwardly radially extending seat portion and an inner radially |
