Assignee: Freudenberg-NOK General Partnership

Location: Plymouth, MI
No. of patents: 159

Number	Title	Issue Date
8124679	Electrostatically dissipative fluoropolymers A composition of fluoropolymer and dispersed conductive particulate provides an electrically conductive polymeric material resistant to static charge buildup. Radiation curing, especially electron beam radiation curing, is favored for curing fluoroelastomer-based pr...	02/28/2012
8112887	Two-piece shipping cap for a seal A seal shipping system includes a seal having an outer diameter surface and an inner sealing lip. A sleeve member having a cylindrical body and a radially extending flange extending from the cylindrical body engages the inner sealing lip. An annular collar surrounds...	02/14/2012
8083237	Tube seal components A tube seal is provided including a rigid cylindrical tube and an elastomeric seal body molded to the outer surface of the cylindrical tube. The rigid cylindrical tube includes a recessed annular groove at each end thereof for receiving the elastomeric seal body the...	12/27/2011
8066287	Dynamic seal A dynamic shaft seal assembly is provided including a dynamic seal for engaging a rotary shaft. The dynamic seal includes a base portion that is mounted within a casing and has an axially extending barrel portion extending from a radially inner end of the base porti...	11/29/2011
8061716	Locking joint seal A locking joint seal includes a ring-shaped body made from poly tetra fluoroethylene and having a first end and a second end. The first and second ends each include mutually engageable first and second locking features. The first locking feature including a first ax...	11/22/2011
8048550	Fluoroelastomer gasket compositions A gasket elastomer precursor of admixed fluoroelastomer particulate, curing agent, and metallic oxide reduction-agent optionally admixed with any of microspheres, inert particulate, PTFE particles. In one embodiment, the composition is applied to a substrate and cur...	11/01/2011
8028852	Two-piece shipping cap for a seal A seal shipping system includes a seal having an outer diameter surface and an inner sealing lip. A sleeve member having a cylindrical body and a radially extending flange extending from the cylindrical body engages the inner sealing lip. An annular collar surrounds...	10/04/2011
8028415	Method of installing a pinion seal to a carrier/bearing cage and an axle A unitized pinion seal assembly has a seal portion and a sleeve portion that are assembled in an interference fit relationship. The unitized pinion seal assembly is assembled to a carrier bearing cage and an axle companion flange with proper spacing between non-seal...	10/04/2011
8016293	Contaminant exclusion seal A seal assembly for sealing a space between a rotating shaft and a housing. In this regard, the seal assembly includes a rotating component connected to the shaft, and a stationary component connected to the housing. A first seal is connected to the rotating compone...	09/13/2011
8011673	Dynamic seal A dynamic shaft seal assembly is provided including a dynamic seal for engaging a rotary shaft. The dynamic seal includes a base portion that is mounted within a casing and has an axially extending barrel portion extending from a radially inner end of the base porti...	09/06/2011
8011669	Valve stem seal with gas relief features A valve stem seal can include an elastomeric component having a first portion for having a sealed engagement with a valve stem, a second portion for engaging a valve guide, and a pressure relief lip extending from the second portion. The first portion can be configu...	09/06/2011
8002287	Hand assemblable fuel injector seal A seal adapted to sealingly engage an outer member and an inner member in an installed position includes a first portion, a second portion and an intermediate portion. The first portion is adapted to sealingly engage a sealing surface of the outer member in the inst...	08/23/2011
7964667	High temperature elastomers with low hydrocarbon vapor permeability An elastomer blend is made by admixing fluoroelastomer and fluorinated silicone polymer (with optional filler and/or conductive particulate) into a polymeric admixture in weight ratios to provide a low vaporous hydrocarbon permeation rate and high thermal strain val...	06/21/2011
7963526	Prelubricated multi-lipped radial shaft seal with large radial offset accommodation A radial shaft seal is provided for accommodating large radial offset of the shaft relative to a housing. The seal includes an annular retainer insert provided for engaging the seal to a fixed housing. An annular elastomeric seal body is molded to the retainer inser...	06/21/2011
7931125	Shaft seal with lubrication device 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 seal includes an annular body portion,...	04/26/2011
7891670	Multi-directional shaft seal A dynamic seal provides for the return of captured lubricant to the lubricant side regardless of the direction of rotation between the seal and the shaft. The seal uses bi-directional pumping elements to facilitate the hydrodynamic pumping of the captured lubricant ...	02/22/2011
7887062	Radial shaft seal with large radial offset accommodation A radial shaft seal is provided for accommodating large radial offset of the shaft relative to a housing. The seal includes an annular retainer insert provided for engaging the seal to a fixed housing. An annular elastomeric seal body is molded to the retainer inser...	02/15/2011
7845740	Unitized seal with integral spacer A unitized seal assembly is provided for installation between linkages of a chain drive designed for tracked vehicles. The seal assembly facilitates field preventative maintenance on the drive chain by utilizing an integral spacer that holds the critical sealing sur...	12/07/2010
7863365	Robust magnetizable elastomeric thermoplastic blends Polymeric binder blended from thermoplastic and uncured elastomer binds magnetizable particulate in segmentally magnetizable materials used for encoder targets used in encoders and assemblies where encoders determine rate of motion. The polymeric binder has a dynami...	01/04/2011
7854433	Dynamic seal A dynamic shaft seal assembly is provided including a dynamic seal for engaging a rotary shaft. The dynamic seal includes a base portion that is mounted within a casing and has an axially extending barrel portion extending from a radially inner end of the base porti...	12/21/2010
7854432	Dynamic seal A dynamic shaft seal assembly is provided including a dynamic seal for engaging a rotary shaft. The dynamic seal includes a base portion that is mounted within a casing and has an axially extending barrel portion extending from a radially inner end of the base porti...	12/21/2010
7798497	Tight package sensor seal A tight package sensor seal includes a first seal portion engaging an outer surface of a sensor body and including a stop surface floatingly engaging a peripheral face surrounding a bore in a cover member. The first seal portion includes a reinforcing insert dispose...	09/21/2010
7790305	Gas diffusion layers with integrated seals having interlocking features A membrane electrode assembly (MEA) is provided for a fuel cell and includes gas diffusion layers with integrated seals having interlocking features. The interlocking features of the gas diffusion layers allow the MEA to be constructed with a catalyst coated membran...	09/07/2010
7775528	Bi-directional pattern for dynamic seals A bi-directional dynamic seal advantageously provides for the return of captured lubricant to the lubricant side regardless of a direction of relative rotation between the seal and the shaft. The seal utilizes a pattern of symmetrical pumping elements to facilitate ...	08/17/2010
7770897	Dynamic seal A dynamic shaft seal assembly is provided including a dynamic seal for engaging a rotary shaft. The dynamic seal includes a base portion that is mounted within a casing and has an axially extending barrel portion extending from a radially inner end of the base porti...	08/10/2010
7753379	Gasket with transition sealing feature A gasket can include a body adapted to form a seal in an engagement region between two members. A first sealing portion can be formed in the body and define a first plane. A second sealing portion can be formed in the body and occupy a space outside of the first pla...	07/13/2010
7753377	Shaft seal having shaft offset compensating capability A shaft seal includes an elastomeric annular body having a radially inwardly protruding annular lip. An annular outer case receives the elastomeric annular body. An annular inner case is embedded into the elastomeric annular body. An annular insert is positioned adj...	07/13/2010
7718736	Base resistant FKM-TPV elastomers A processable rubber composition contains a double cured fluorocarbon elastomer dispersed in a matrix of a thermoplastic polymeric material. The cured elastomer contains repeating units derived from one or more fluorine-containing monomers, and further contains low ...	05/18/2010
7712745	Unitized pinion seal for an axle A unitized pinion seal assembly has a seal portion and a sleeve portion that are assembled in an interference fit relationship. The unitized pinion seal assembly is assembled to a carrier/bearing cage and an axle companion flange with proper spacing between non-seal...	05/11/2010
7703755	High retention strength jounce bumper assembly A jounce bumper assembly is provided including a cup-shaped member adapted to be mounted to a vehicle. A spacer formed of an appropriate engineered material is mounted within the cup-shaped member and a jounce bumper is mounted to the spacer. The cup-shaped member i...	04/27/2010
7703744	Core push-in seal A solenoid valve may include a housing, a solenoid coil, and a plunger. The solenoid coil may be disposed about an external portion of the housing and the plunger may be slidably disposed within the housing. The plunger may include a recess in a first end thereof ha...	04/27/2010
7687180	Overmolded support plate for fuel cell A fuel cell component is provided including a support plate, a membrane electrode assembly, and a resilient member. The support plate defines a bore extending between a first surface and a second surface. The membrane electrode assembly engages the second surface of...	03/30/2010
7673479	Seal seat ring component with locking and venting features A seal assembly includes a ring component for coupling a seat component to a shaft. The ring component includes a first portion having an annular shape and configured to have a sealed engagement with the shaft. The ring component also includes a second portion havin...	03/09/2010
7670709	Fuel cell seal with integral bridge The invention is drawn to a gasket (34) for use in an individual fuel cell (20). The gasket (34) includes at lest one generally rigid bridge (44) or (46) that extends across the fluid flow channels in adjacent separator plates (...	03/02/2010
7662886	Dynamic vulcanization of fluorocarbon elastomers containing peroxide cure sites Processable rubber compositions contain a vulcanized elastomeric material dispersed in a matrix of a thermoplastic polymeric material. The vulcanized elastomeric material is a peroxide cure polymeric material containing repeating units derived from fluorine-containi...	02/16/2010
7658387	Reinforced elastomeric seal A dynamic seal is provided which is made of a processable rubber composition containing a matrix of vulcanized elastomeric material with powder filler dispersed therein. In a preferred embodiment, the elastomeric material contains a micro powder which has repeating ...	02/09/2010
7658386	Retrofittable severe duty seal for a shaft The present invention discloses a seal and a method of sealing dynamic shaft applications. The seal comprises an inner portion, an outer portion, a faceplate, and at least one flexible member located between the inner and outer portions. The method comprises providi...	02/09/2010
7640917	Gas direct injector tip seal A fuel injector tip seal is provided including improved resistance to the heat and pressures of combustion gas. According to one aspect, the tip seal is formed from polytetrafluoroethylene and between 10 and 35 percent carbon fiber. The material offers improved surf...	01/05/2010
7608216	Methods for preparing articles from processable and dimensionally stable elastomer compositions Methods for preparing a shaped rubber article, comprising admixing at least one thermoplastic material and at least one elastomer material to provide a processable and dimensionally stable rubber composition, shaping the composition, and irradiating the composition ...	10/27/2009
7588234	Airspring sleeve An air spring sleeve. The sleeve comprises an elastomer body having two plies. Each ply comprises a cord embedded in the elastomer body. Each cord is wound about the sleeve in an opposing direction from the other and each having a helix angle. The first cord helix a...	09/15/2009

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Assignee: Freudenberg-NOK General Partnership