| FREUDENBERG-NOK GENERAL PARTNERSHIP Patent applications |
| Patent application number | Title | Published |
|---|
| 20130071772 | INTEGRALLY MOLDED GASKET FOR A FUEL CELL ASSEMBLY - A fuel cell membrane electrode assembly (MEA) comprising first and second gas diffusion layers and an ion exchange membrane disposed between the diffusion layers. Each diffusion layer includes an inner surface facing the membrane, an outer surface opposite the inner surface, and a side surface defining a perimeter of the diffusion layers. An outboard region extends about the diffusion layers at the perimeter. The outboard region surrounds an inboard region. The outboard region has a low density region proximate to the side surface and a high density region between the low density region and the inboard portion. A seal is mounted at the low density region. The high density region prevents portions of the seal from entering the inboard region thereby damaging the MEA. The seal includes a first rim having a smaller radius than a second rim. The smaller radius allows the seal to fit between adjacent support plates and increases the durability of the seal. | 03-21-2013 |
| 20130069314 | Multiple Use Installation Aid for Radial Shaft Seals - A shaft-sealing device comprising a sealing ring having a seal secured thereto, and a protective member engaged with the sealing ring. The said protective member includes a cylindrical member having a shaft-engaging surface and a seal-engaging surface, and an annular flange extends radially away from the shaft. The shaft-engaging surface is operable to be attached to the shaft during operation of the device, and the seal-engaging surface is operable to be in sealing contact with the seal during operation of the device. The annular flange is operable to engage the sealing ring. | 03-21-2013 |
| 20130049308 | Gasket Design For Molding Large Gaskets In A Deformed Shape - A gasket includes a plurality of corner sections each having a cross-section having a width of at least a first dimension. A plurality of deformable sections are disposed between a pair of the plurality of corner sections, each of the plurality of deformable sections having a cross-section having a width less than the first dimension and having a curved shape that is deformable to a straight shape in its installed condition. The deformable sections allow the gasket to be formed with a smaller molding footprint than the assembled gasket shape and the plurality of corner sections have a same angled orientation in its installed and un-installed positions. | 02-28-2013 |
| 20130049307 | Molded Deformable Shape Gasket For Molding Large Gaskets In A Deformed Shape - A gasket is provided including a plurality of corner sections each having a cross-section having a width of at least a first dimension. A plurality of deformable sections are disposed between a pair of the plurality of corner sections, each of the plurality of deformable sections have a plurality of reduced width segments. The plurality of deformable sections have a curved shaped that is deformable to a straight shape in its installed condition, wherein the deformable sections allow the gasket to be formed with a smaller molding footprint than the assembled gasket shape and the plurality of corner sections have a same angled orientation in its installed and un-installed molded positions. | 02-28-2013 |
| 20130032118 | Low Profile Valve Stem Seal In Cylinder Head - A valve stem seal assembly in an internal combustion engine includes a cylinder head including an aperture therein in communication with a cylinder bore and a recessed pocket surrounding the aperture. A valve guide is received in the aperture and a valve stem is received in the valve guide. A valve seal support includes a radially outwardly extending flange disposed against a surface of the cylinder head external to the recessed pocket and a cylindrical body that extends into the recessed pocket. A valve spring contacts the flange and a resilient seal is secured to the rigid valve seal support and in sealing engagement with the valve stem. | 02-07-2013 |
| 20120313329 | Vented Dual Lip Seal And Method Of Making - A method of making a dual lip seal is provided including the steps of molding first and second seals to a respective first and second insert. The first and second seals each include a body portion molded to the first and second inserts and including a seal lip extending from the body portion. The body portion of the first and second seals includes a side surface including at least one projection and at least one recess. The at least one projection and the at least one recess of the first and second seals are aligned so that the at least one recess of the first and second seals each receive a corresponding one of the at least one projection of the other of the first and second seals. A heating process is then applied to the first and second seals to bond the seals together via vulcanization. | 12-13-2012 |
| 20120298766 | Fuel Injector Tip Seal And Method Of Assembly - A method of installing a seal on a fuel injector includes installing a seal in a groove in an outer surface of the fuel injector. The seal is then clamped in a heated clamp portion at a temperature sufficient to soften a material of the seal to allow the material to flow into the seal groove. The seal is then cooled while being maintained in the clamped state to allow the heated material to set to a desired outer diameter size. The seal groove in the fuel injector may be provided with an extrusion zone into which the softened material of the seal is allowed to flow as the seal outer diameter is reduced to the desired diameter during the heating and clamping process. | 11-29-2012 |
| 20120267861 | 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, and a pressure relief lip engaging a valve guide. The pressure relief lip can have a sealing configuration and a venting configuration. The venting configuration can allow excess exhaust gases to vent from a combustion chamber. After the venting of excess exhaust gases, the pressure relief lip can close to the sealing configuration to prevent oil from entering the combustion chamber. The elastomeric body or the valve guide can include a pressure relief channel. The elastomeric body can also include a bumper engaging the valve guide. The pressure relief channel can be disposed in the bumper. | 10-25-2012 |
| 20120187638 | Cast Gasket - A gasket is formed using a plurality of compression limiting inserts each having first and second surfaces, and at least one edge disposed between the first and second surfaces with an elastomeric sealing material bonded thereto. Opposite ends of each of the compression limiting inserts are aligned with, and spliced to, adjacent ones of the compression limiting inserts by the elastomeric sealing material. The plurality of compression limiting inserts are aligned to form a completed gasket. | 07-26-2012 |
| 20120137495 | Seal Installation Device and Method - A low cost and simple installation tool is designed to ease the installation of bonded pistons and lip seals in an automatic transmission or other industrial machine. The installation tool is in the form of a flexible circular disc that can be inserted in the gap between the bore and the shaft and pressed against the seal lip to flip the seal lip to its desired orientation while the disc is rolled around the circumference of the gap to orientate the entire seal in its proper position. | 06-07-2012 |
| 20120083544 | REINFORCED MICROCELLULAR URETHANE PRODUCTS - A microcellular urethane composition, comprising a polyol component, an isocyanate component having an isocyanate index ratio of from about 65 to about 145; and up to about 50% by weight of a nano-scale filler dispersed throughout the composition. Methods for producing a reinforced microcellular urethane component are also provided. | 04-05-2012 |
| 20120068419 | Zero Torque Membrane Seal - A low friction seal for sealing between a shaft and a bore and includes an inner case adapted to be mounted on the shaft. An outer case is adapted to be mounted within the bore. A seal element is mounted to the inner case and includes a base portion attached to the inner case. A membrane extends from the base portion and an axially extending leg extends from the membrane. A seal lip extends from the axially extending leg and sealingly engages a radially extending portion of the outer case. As the shaft rotates, the centrifugal forces tend to cause the membrane to flex and the torque loads applied by the dynamic seal are reduced to the point that the seal lip can lift off and apply zero torque load. | 03-22-2012 |
| 20110278797 | ULTRAVIOLET CURABLE SEALANT COMPOSITIONS - A curable sealant composition free from volatile organic compounds. The composition comprises a urethane acrylate oligomer present in an amount from about 20% to about 60% by weight. A liquid elastomer is present in an amount from about 20% to about 60% by weight, and at least one photoinitiator present in an amount from about 0.5% to about 10% by weight. A process for sealing a dynamic seal assembly in a housing bore is also provided. | 11-17-2011 |
| 20110260409 | Multiple Use Installation Aid For Radial Shaft Seals - A shaft-sealing device comprising a sealing ring having a seal secured thereto, and a protective member engaged with the sealing ring. The said protective member includes a cylindrical member having a shaft-engaging surface and a seal-engaging surface, and an annular flange extends radially away from the shaft. The shaft-engaging surface is operable to be attached to the shaft during operation of the device, and the seal-engaging surface is operable to be in sealing contact with the seal during operation of the device. The annular flange is operable to engage the sealing ring. | 10-27-2011 |
| 20110241296 | Energy Saving Seal With Main Lip And Dust Lip Hinge Point - A seal includes a mounting portion having an outer diameter surface adapted to be received in a bore. An axially extending leg extends from the mounting portion. A hinge portion is disposed at an end of the axially extending leg. The hinge portion has a generally round cross-section with a larger diameter than the end of the axially extending leg. A main seal lip and a dust lip extend from the hinge portion. | 10-06-2011 |
| 20110204583 | Gasket Having Dual Bead Orientation On Rigid Carrier With Adjoining Gasket Material - A gasket for engagement between a first adjoining structure and a second adjoining structure can include a rigid substrate, a first raised bead, a second raised bead, a first conformable member, and a second conformable member. The rigid substrate can have a generally uniform thickness and define a first major surface and a second major surface opposite the first major surface. The rigid substrate can include a support section. The first raised bead can be connected to the support section and protrude from the first major surface. The second raised bead can be connected to the support section and protrude from the second major surface and can be laterally spaced apart from the first raised bead. The first conformable member can be disposed on the first raised bead against the first major surface. The second conformable member can be disposed on the second raised bead against the second major surface. | 08-25-2011 |
| 20110204579 | Seal with Spiral Grooves and Mid-Lip Band - A dynamic seal advantageously utilizes a plurality of grooves on the active side or surface of the seal to capture a leaked lubricant and hydrodynamically pump the lubricant back into the lubricated side of the seal. The grooves are interrupted at an intermediate location by a continuous circumferential band that aids in preventing leakage past the band when the shaft is not rotating and the grooves on both sides of the band pump contaminants away from the sealing lip. | 08-25-2011 |
| 20110163507 | 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, a first sealing lip portion, and a first pocket portion. The first sealing lip portion has a substantially uniform axial dimension and is adapted to sealingly engage a shaft. The first pocket portion includes a plurality of pockets, each having an opening toward the first sealing lip portion. The plurality of pockets are each adapted to collect a working fluid when the shaft axially displaces in a first direction and to dispense the working fluid when the shaft axially displaces in a second direction. The assembly provides a lubricated shaft and seal that improves the effective life of the shaft seal. | 07-07-2011 |
| 20110119895 | 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 the radially extending flange of the sleeve member and frictionally engages the outer diameter surface of the seal. | 05-26-2011 |
| 20110115168 | Seal With Snap-In Back-Up Ring - A seal for a reciprocating rod includes an annular body having inner and outer seal lips extending axially from the annular body. The annular body includes a recess including a generally radially extending wall portion and a chamfered axially extending wall surface that is angled relative to a central axis of the annular body. A back-up ring is provided with an angled mating surface such that the backup ring is snap-fit in the recess of the annular body. | 05-19-2011 |
| 20110049815 | Low Load Offset Seal - A seal is provided for insertion in a bore in an outer member and engaging an inner member received in the bore. The seal includes an outer annular insert having a first diameter and an inner annular insert having a second diameter smaller than the first diameter. An elastomeric body includes an outer portion over-molded on the outer annular insert and an inner seal over-molded on the inner annular insert and including an intermediate web extending between the outer portion and the inner portion. The web extends both axially and radially relative to a center axis of the outer annular insert. The inner seal includes an inboard sealing surface and the outer portion including an outboard sealing surface. | 03-03-2011 |
| 20110024990 | 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 portion. The axially extending barrel portion terminates in a radially extending leg portion which extends inwardly from an end of the axially extending portion. A generally conically shaped seal portion extends from an end of the radially extending portion and the seal portion includes a radially inner face engaging the shaft and a radially outer face having a stiffening bead integrally formed thereon. The stiffening bead reduces the seal's propensity for “bell mouthing” while the axially extending barrel portion provides improved shaft followability for the dynamic seal. | 02-03-2011 |
| 20110024989 | 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 portion. The axially extending barrel portion terminates in a radially extending leg portion which extends inwardly from an end of the axially extending portion. A generally conically shaped seal portion extends from an end of the radially extending portion and the seal portion includes a radially inner face engaging the shaft and a radially outer face having a stiffening bead integrally formed thereon. The stiffening bead reduces the seal's propensity for “bell mouthing” while the axially extending barrel portion provides improved shaft followability for the dynamic seal. | 02-03-2011 |
| 20110024666 | Reduced Inertia Valve Stem Seal Flange - A valve stem seal including a radially outwardly extending flange that includes one or more circumferential grooves to allow the flange to flex and lay flat against a support surface and protect the flange from fatigue. | 02-03-2011 |
| 20100314840 | 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 disposed therein. A second seal portion is axially spaced from the first seal portion and a flexible membrane extends axially between the first and second seal portions. The second seal portion engages an inner diameter of a bore in a cover member and includes a reinforcing insert therein. The sensor seal takes up a small radial space yet allows for radial offset of the sensor body relative to the bore of the cover member. | 12-16-2010 |
| 20100295252 | Two-Piece Valve Stem Seal - A valve stem seal utilizes a multi-piece construction to reduce the required manufactured tolerances and/or improve the stress handling capabilities. The valve stem seal can include a first member or can which can be assembled to a second member or spring seat. The can and/or spring seat can have a plurality of axially extending resilient fingers that are biased such that when assembled the fingers are bent against the bias due to the engagement between the can and the spring seat. The fingers on the spring seat allow the spring seat to bend or move relative to the can to accommodate the loading of a valve spring on the spring seat. The use of resilient fingers on the can and/or the spring seat reduces the manufacturing tolerances required for the valve stem seal. | 11-25-2010 |
| 20100264604 | 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 portion. The axially extending barrel portion terminates in a radially extending leg portion which extends inwardly from an end of the axially extending portion. A generally conically shaped seal portion extends from an end of the radially extending portion and the seal portion includes a radially inner face engaging the shaft and a radially outer face having a stiffening bead integrally formed thereon. The stiffening bead reduces the seal's propensity for “bell mouthing” while the axially extending barrel portion provides improved shaft followability for the dynamic seal. | 10-21-2010 |
| 20100258991 | Jounce Bumper Assembly - A jounce bumper assembly is provided and may include a support member for supporting a bumper and adapted to be mounted to a vehicle. The support member may include a base member having a center and a radius, and a projection extending from the base member and away from the bumper. The projection may include a length greater than the radius of the base member and may be formed from a portion of the base member having a longitudinal axis that is skewed from the center of the base member. | 10-14-2010 |
| 20100244390 | Lip Seal With Inversion Prevention Feature - A dynamic shaft seal assembly is provided including a dynamic seal for engaging a rotary shaft. The dynamic seal includes a mounting portion that is mounted within a casing and has an axially extending barrel portion extending from a radially inner end of the mounting portion. The axially extending barrel portion terminates in a radially extending leg portion which extends inwardly from an end of the axially extending portion. A generally conically shaped seal portion extends from an end of the radially extending portion and the seal portion includes a radially inner face engaging the shaft and a radially outer face having a stiffening bead integrally formed thereon. The mounting portion defines a bumper spaced from the axially extending barrel portion by a gap distance that is designed to prevent the seal lip from inverting under sustained high pressure or pressure spikes. | 09-30-2010 |
| 20100229617 | Swaging Operation For Relieving Stress From A Bushing Flange - A swaging process is utilized for reducing the diameter of an outer ring of a bushing using a swaging tool including a gap or profile in the area of a flange of the outer ring in order to prevent or reduce the stresses that are formed in the flange radii area. | 09-16-2010 |
| 20100219588 | Seal with Spiral Grooves and Contamination Entrapment Dams - A dynamic seal utilizes a groove on the active side of the seal to capture a leaked lubricant and pump the lubricant back into the lubricated side of the seal. The groove stops short of the leading edge of the seal that faces the lubricant side forming a static dam between the termination point of the groove and the seal edge. When the fluid pressure within the groove exceeds the opening pressure for the seal lip, the lubricant within the groove is pumped back into the lubricant side of the seal. The groove can have an induction zone wherein the fluid pressure rise is gradual and a booster zone wherein the fluid pressure rise is relatively faster than in the induction zone. The booster zone is disposed adjacent the static dam. Bars are provided across the spiral grooves to prevent contaminants from reaching and becoming trapped in the booster zone. | 09-02-2010 |
| 20100207332 | 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 therein to create a mechanical connection to resist the seal body from being pulled away from the cylindrical tube. The tube seal is also incorporated into a diameter reducing tube seal, an integrated tube seal and filter design and an integrated tube seal and valve design. | 08-19-2010 |
| 20100139096 | 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-sealing components, and without a spacer mounted between the two portions. | 06-10-2010 |
| 20100127437 | Tolerance Eliminating Assembly Retainer - A jounce bumper assembly is provided including a retainer to secure a dust shield and a jounce bumper to a top mount. The retainer has a base portion adapted to engage an end of the jounce bumper. The retainer further includes a retainer clip adapted to retain mating surfaces of the dust shield and top mount in tension thereby eliminating or reducing noise and loose assembly due to tolerance stack-up of the jounce bumper assembly. | 05-27-2010 |
| 20100090141 | Solenoid Plunger Core 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 having a seal assembly located therein and including a pin member inserted into the recess and an elastomeric sealing element molded around the pin member while inserted into the recess of the plunger. | 04-15-2010 |
| 20100084823 | Hydraulically Balanced Radial Seal - A hydraulically balanced radial seal is configured so that the hydraulic pressure of the fluid being sealed causes the primary dynamic sealing lip to be axially stretched longer and also incorporates a secondary static sealing lip whose beaded interior locks into a receiving groove in the exterior surface of the dynamic sealing lip and effects a seal between the two lips. The secondary static sealing lip being so disposed as to cause it to be compressed and shortened by the hydraulic pressure of the fluid being sealed an amount comparable to that which the primary dynamic sealing lip is being stretched under the same pressure, keeping the two lips locked together. This unique construction maintains the favorable hydraulic balance initially designed into the seal, enabling it to accommodate hydraulic pressures of over 225 psi. | 04-08-2010 |
| 20100083653 | Mass Damper - A counterbalance system for counterbalancing vibrations of a machine, including a housing adapted to be mounted to the machine. A hydraulic chamber is disposed within the housing and has a first and a second diaphragm on opposite sides thereof. A hydraulic fluid is disposed in the hydraulic chamber. A first air chamber is on a first side of the first diaphragm opposite the hydraulic chamber and a second air chamber is disposed on a second side of the second diaphragm opposite the hydraulic chamber. The hydraulic fluid acts as a mass and the diaphragms and air chambers act as a spring and damper of a mass damper system for counterbalancing vibrations of the machine. | 04-08-2010 |
| 20100025938 | Bearing Seal - A bearing seal is provided with an annular outer casing having an axially extending portion and a radially inwardly extending portion. A sleeve member is disposed within the annular casing and includes an axially extending portion adapted to be attached to a rotating shaft and a radially outwardly extending portion. An annular seal including a seal body is mounted to the annular casing. A first seal lip extends axially from the seal body and engages the radially outwardly extending portion of the sleeve member. A dual contact lip extends from the seal body and includes a first seal portion and a second seal portion each contacting the sleeve member at axially spaced locations. | 02-04-2010 |
| 20090295147 | 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 the radially extending flange of the sleeve member and frictionally engages the outer diameter surface of the seal. | 12-03-2009 |
| 20090289424 | Ball Joint Dust Seal With Lubricating Flutes - A ball joint seal is provided including an annular seal body including a first axial end and a second axial end. The first axial end acts as a dynamic seal end and includes at least one axially extending seal lip and at least one radially inwardly extending seal lip. The axially extending seal lip and the radially inwardly extending seal lip includes a channel extending therethrough that allows grease to migrate from the ball joint to the axial sealing surface of the dynamic seal. The grease that is allowed to migrate from the ball joint to the sealing surfaces of the dynamic seal help to lubricate these surfaces to improve the service life of the seal and, ultimately, the ball joint assembly. | 11-26-2009 |
| 20090267307 | High Pressure Tube Seal - A high pressure tube seal is provided including a rigid cylindrical tube having an elastomeric seal body molded to an outer surface of the cylindrical tube. The elastomeric seal body includes a pair of raised seal bead portions at opposite ends of the seal body and a pair of recessed groove portions adjacent to the pair of recessed seal bead portions. A pair of anti-extrusion rings are disposed in the recessed groove portion in the cylindrical tube and includes a radially outwardly extending annular portion disposed between a pair of recessed groove portions of the elastomeric seal body. The anti-extrusion rings provide increased pressure sealing capability as compared to conventional tube seal designs. | 10-29-2009 |
| 20090261650 | 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 surfaces together at all times, and has a seal head that can be easily removed from the outer link bore of a chain link. Removal of the seal head from the outer link bore causes as-installed clearance passageways between the seal head and seat portions and the spacer to forcefully close and prevent abrasive particles from getting inside the seal and reaching the interior interface junction of the dynamic sealing surfaces during seal maintenance. The seal assembly also includes additional sealing features that provide improved performance. | 10-22-2009 |
| 20090258963 | LIQUID ACRYLIC ELASTOMER - Curable compositions of epoxy-functional acrylic resins having low viscosity and high epoxy functionality, gaskets, seals, elastomeric pottings, and coatings, and other articles prepared therefrom, and methods for preparation of these. | 10-15-2009 |
| 20090203846 | KETONE-RESISTANT FKM/TPV BLENDS - Thermoplastic vulcanizate compositions prepared from fluorothermoplastic matrix and dispersed fluoroelastomeric regions, and articles comprising the thermoplastic vulcanizate, exhibiting improved resistance to polar organic solvents. | 08-13-2009 |
| 20090194952 | 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 in response to relative rotation. The seal includes a valve portion that can change a pumping rate of particular pumping elements such that more lubricant is pumped toward the lubricant side than the non-lubricant side. | 08-06-2009 |
| 20090194948 | 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 axially extending portion overlapping a second axially extending portion of the second locking feature in an assembled condition. | 08-06-2009 |
| 20090194920 | Integrated Suspension Control Device - A suspension device is provided having a casing that defines a cavity, which further defines a stop face. A piston is slidably disposed in the cavity and offset from the stop face, wherein the piston is operable to move axially relative to the stop face when a force is imparted on at least one of the casing and the piston. A spring is disposed in the cavity and between the stop face and the piston, wherein the spring communicates with the piston and the end face and is operable to compress as the piston moves toward the end face and absorb the force. A friction damper is disposed in the cavity and operable to generate frictional drag between the piston and the casing, wherein the frictional drag inhibits axial movement of the piston in the cavity. | 08-06-2009 |
| 20090189051 | Integral Rebound, Shear, And Fastener For Isolation Mount - An isolation mount is provided including a frame bracket having an aperture therein. A fastener is received in the aperture. The fastener includes a threaded shaft and a cone-shaped head portion integrally formed with the threaded shaft. The cone-shaped head portion includes a narrow end and a relatively wider end with the narrow end being closer to the threaded shaft than the wider end and a tool engaging portion on the head portion. An elastomeric member is disposed between the fastener and the frame bracket. The design integrates multiple features into a single element thereby greatly improving the assembly process and cost of the isolation mount. | 07-30-2009 |
| 20090173421 | Flatless Hybrid Isolated Tire - A tire includes a rigid outer ring, a rigid inner ring, and an intermediate ring interconnecting the rigid outer ring and the rigid inner ring. The intermediate ring is biasingly compressible in a first direction and rigid in a second direction. The intermediate ring may include a plurality of lattice members and a resiliently compliant elastomer. The plurality of lattice members may be disposed within the resiliently compliant elastomer. The rigid outer ring and the rigid inner ring may include a solid cross-section. | 07-09-2009 |
| 20090166506 | Engine Mount With Two Piece Core - An engine mount, includes a pair of identical core members each having an aperture extending there through and having anti-rotation features engaging one another. A pair of elastomeric bushings are provided on an exterior surface of respective ones of the pair of core members. A pair of outer rings surround respective ones of the elastomeric bushings. An engine bracket has a base portion adapted to be mounted to an engine and an annular body receiving the pair of outer rings. A frame bracket has a mount portion adapted to be attached to a vehicle frame and first and second arms extending from the mount portion and disposed on opposite ends of the pair of identical core members. | 07-02-2009 |
| 20090146382 | 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 configured to extend away from or within the second portion, and the second portion can have a channel formed therein. The pressure relief lip can have a sealing configuration and a venting configuration. The venting configuration can allow excess exhaust gases to vent from a combustion chamber. After the venting of excess exhaust gases, the pressure relief lip can close to the sealing configuration to prevent oil from entering the combustion chamber. | 06-11-2009 |
| 20090145393 | 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, and a pressure relief lip engaging a valve guide. The pressure relief lip can have a sealing configuration and a venting configuration. The venting configuration can allow excess exhaust gases to vent from a combustion chamber. After the venting of excess exhaust gases, the pressure relief lip can close to the sealing configuration to prevent oil from entering the combustion chamber. The elastomeric body or the valve guide can include a pressure relief channel. The elastomeric body can also include a bumper engaging the valve guide. The pressure relief channel can be disposed in the bumper. | 06-11-2009 |
| 20090108538 | Two-Component Seal With Integral Locking Feature To Prevent Relative Rotation - A rotary seal is provided. The rotary seal includes an annular seal element having a sealing surface. The seal element further includes a surface opposite of the sealing surface including a first coupling portion. The rotary seal also includes an annular energizer including a second coupling portion complementary to the first coupling portion. The first and second coupling portions engage so as to inhibit relative rotation between the seal element and the energizer. | 04-30-2009 |
| 20090108536 | Actuator Seal - A seal is provided for sealing between an outer perimeter opening having upper and lower edges and an inner assembly having first and second members. The seal includes an outer perimeter seal including a reinforcing insert molded therein. The outer perimeter seal includes a first seal bead at a first axial end and a second seal bead at a second axial end. A flexible diaphragm portion extends radially inward from the outer perimeter seal. An inner perimeter seal is connected to a radially inner end of the flexible diaphragm portion. The inner perimeter seal includes a first seal bead on a first surface of the inner perimeter seal and a second seal bead on a second surface of the inner perimeter seal. The inner perimeter seal being adapted to be inserted between the first and second members of the inner assembly. | 04-30-2009 |
| 20090105385 | ELASTOMER GUM POLYMER SYSTEMS - Elastomer precursor gum (for any of fluoroelastomer, acrylic acid ester rubber/polyacrylate rubber, ethylene acrylic rubber, silicone, nitrile butyl rubber, hydrogenated nitrile rubber, natural rubber, polyurethane, and styrene butadiene rubber) and non-gum polymer are admixed with optional electrically conductive particulate and/or optional filler to provide either a continuous phase of polymer with dispersed gum portions, a continuous phase of elastomer precursor gum with dispersed polymer portions, or an interpenetrated structure of elastomer precursor gum and polymer. Curing is optionally enabled with techniques such as electron beam radiation. | 04-23-2009 |
| 20090102218 | Body Mount Assembly With Hydraulic Damping Capability - A body mount assembly for reducing vibration between a vehicle body and a frame. The body mount includes a hydraulic radial bushing including an inner sleeve and an outer sleeve coaxial with the inner sleeve and having a hydraulic damping system disposed between the inner sleeve and the outer sleeve. A bottom retainer is positioned below a first end of the hydraulic radial bushing. An upper retainer is positioned above a second end of the hydraulic radial bushing. A flange bracket includes an axial sleeve portion coaxially surrounding the radial bushing and a plate portion extending from an end of the axial sleeve portion and including mounting apertures adapted for mounting the flange bracket to the vehicle frame. A vertical isolator is disposed between the upper retainer and the flange bracket. | 04-23-2009 |
| 20090102141 | Low Load Annular Gasket - A cap for a fuel tank filler neck includes a stem portion adapted for threaded engagement with the fuel tank filler neck, and an annular gasket. The stem portion includes an upper rim and a lower rim forming an annular groove adapted to receive the annular gasket. The annular gasket includes an upper flange having an upper lip, a lower flange, and a body portion interconnecting the upper flange and the lower flange to form a substantially horseshoe-shaped cross section. The lower flange may resiliently deflect inward in response to a compression load between the upper rim and a seal surface disposed on the filler neck. The compression load causes the lower flange and the upper lip to seal against the seal surface. | 04-23-2009 |
| 20090095238 | TUNABLE HYBRID BRACKET ASSEMBLY - A motor vehicle engine and cooling fan arrangement mounted together by means of a tunable bracket assembly. The bracket assembly includes a bracket member, a washer and a bushing. The bracket member has an angled configuration for attenuating vehicular noise, vibration and harshness and the washer integrally formed therewith. The bushing is received in the bracket member for attenuated attachment to the vehicle engine. | 04-16-2009 |
| 20090072494 | 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 therein to create a mechanical connection to resist the seal body from being pulled away from the cylindrical tube. The tube seal is also incorporated into a diameter reducing tube seal, an integrated tube seal and filter design and an integrated tube seal and valve design. | 03-19-2009 |
| 20090050462 | INTEGRATED CONDUCTIVE RADIO BUTTON - An integrated conductive button, includes a housing and a printed circuit board mounted in proximity to the housing. The printed circuit board includes at least one electric contact portion disposed thereon and a button member is supported by the housing and includes at least one elongated post having a conductive elastomeric material disposed on a tip of the at least one elongated post. An elastomeric web skirt surrounds the at least one elongated post and is disposed against a seat surface of the housing. Upon pressing the button member, the elastomeric web skirt buckles to allow the conductive elastomeric material on the tip of the elongated post to contact the at least one electric contact on the printed circuit board. | 02-26-2009 |
| 20090033168 | Load Generating Encoder Wheel - A shaft assembly, includes an elongated shaft and a flywheel mounted to an end of the shaft. An encoder is mounted to the shaft and includes an annular support ring having a radially inwardly extending portion and an axially extending portion extending from a radially outer end of the radially inwardly extending portion. The radially inwardly extending portion defines a spring section which is compressed between the flywheel and the end of the shaft, and an encoder material is disposed on the axially extending portion of the annular support ring. | 02-05-2009 |
| 20090033039 | Gasket with asymmetric bead arrangement - An asymmetric bead formed in a gasket is provided. The gasket defines a plane. The bead includes a first half emboss portion positioned at a first angle to the plane of the gasket. A bead top portion is positioned parallel to the plane of the gasket and is connected to the first half emboss portion. A second half emboss portion is positioned at a second angle to the plane of the gasket and is connected to the bead top portion. The first angle is greater than the second angle so that the length of the first half emboss portion is shorter than the second half emboss portion and therefore, has a smaller surface area being acted on by a higher pressure fluid on the first half emboss portion so that the forces acting on the first and second half emboss portions are equalized. | 02-05-2009 |
| 20090028733 | Compressor Valve Plate Assembly with Integrated Gasket - A valve plate assembly is provided including a plastic plate having a plurality of apertures therethrough, including at least one suction passage and at least one exhaust passage. A suction reed valve is disposed over the suction passage and an exhaust reed valve is disposed over the exhaust passage. A cylinder gasket is molded to a first side of the plastic plate and is adapted to seal around a cylinder of a cylinder housing. The cylinder gasket is recessed in a groove in the plastic plate. An end cap gasket is molded to a second side of the plastic plate and is adapted to seal against an end cap of a compressor. The end cap gasket is recessed in a groove in a second side of the plastic plate. The reed valves contact the plastic plate and are, therefore, quieter than a reed valve that is operated against a metal plate. The integration of the gasket into the recessed grooves of the plastic valve plate eliminates potential leak paths that exist with current designs. The use of a plastic valve plate also greatly reduces the weight and cost of the valve plate assembly. The valve plate assembly also provides an assembly which can be shipped to a customer in one piece for easier handling and installation. | 01-29-2009 |
| 20090022922 | 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-containing monomers and at least one peroxide cure site monomer. In one embodiment the matrix forms a continuous phase and the vulcanized elastomeric material is in the form of particles forming a non-continuous phase. The compositions are made by combining a radical curing system, a fluorocarbon elastomer material, and a fluoroplastic material, and heating the mixture at a temperature and for a time sufficient to effect vulcanization of the elastomeric material, while mechanical energy is applied to mix the mixture during the heating step. Shaped articles may be readily formed from the rubber compositions according to conventional thermoplastic processes such as blow molding, injection molding, and extrusion. Examples of useful articles include seals, gaskets, O-rings, and hoses. | 01-22-2009 |
| 20090020930 | Strut Top Mount With Dual Axial Rate Tuning - A mount assembly for use in a vehicle includes a primary component sandwiched between a pair of secondary components. The primary component is secured to a first member of the vehicle, and the secondary components are secured to a second member of the vehicle. The primary component has a tuned performance characteristics different than the tuned performance characteristics of the secondary components. Each of the secondary components function in series with the primary component between the first and second members such that the mount assembly has multi-rate decoupled dynamic stiffness performance. | 01-22-2009 |
| 20090020929 | Strut Top Mount With Axial Hydraulic Element - A hydraulic element for use in vehicle mount applications includes a housing, a spring assembly disposed within the housing, and an external component outside of the housing. A first chamber is defined between the spring assembly and the housing. Furthermore, a second chamber is defined within the external component and is in fluid communication with the first chamber. With the external component providing the second chamber outside of the housing, the hydraulic element can be formed with a relatively compact configuration. | 01-22-2009 |
| 20080314365 | 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 surface finish and deformation resistance as well as improved thermal conduction and keeps thermal expansion low as compared to conventional fuel injector tip seal designs. According to a further aspect, a revised seal groove design is provided that allows for expansion and deformation of the tip seal and creates more pressure to the outside diameter face when pressure is applied at the tip. According to another aspect, the tip seal is formed of a flat disk-shaped seal body that can be assembled on the fuel injector by an assembly cone device that allows the disk-shaped seal body to be flipped to a ring-shaped configuration in its assembled position. | 12-25-2008 |
| 20080309025 | HYBRID MOUNTING PROVIDING SEALING AND NVH FUNCTION FOR STRUCTURES - A hybrid mounting system is provided for mounting components together with a gasket there between. The mounting system provides soft or hard mount bolt locations, depending on application, at areas identified as high frequency path or problem areas while hard or soft mount bolt connections, depending on application, are utilized at areas identified as non problem or path areas. The hybrid mounting system can be utilized in applications involving industrial machinery, automotive applications and other applications where two components are mounted together with a gasket there between. | 12-18-2008 |
| 20080303184 | 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 precursor articles into desired electrically conductive articles. | 12-11-2008 |
| 20080284113 | Gasket Having Formed Load Bearing Compression Limiting Features - A gasket is provided with a metallic substrate formed from a flat sheet of metal and is deformed to provide a raised beam portion that creates a load bearing compression limiting feature to control stresses on the over molded gasket material. | 11-20-2008 |
| 20080284112 | GASKET HAVING FORMED LOAD BEARING COMPRESSION LIMITING FEATURES - A gasket is provided with a metallic or plastic substrate formed to provide a raised bead portion that has a concave surface that is filled with over molded elastomeric material to create a load bearing compression limiting feature to control compression on the over molded gasket material. | 11-20-2008 |
| 20080284110 | 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 insert and includes a flexible axially extending portion extending from an inner surface of the retainer insert. A seal portion extends from a radially inward end of the flexible portion and includes first and second seal lips and an elastomeric bearing surface disposed between the first and second sealing lips. The bearing surface includes a plurality of raised pads adapted to engage the shaft. The pads each include a rounded edge on lateral sides thereof for encouraging the creation of a lubricating film between the pads and shaft. The pads are lubricated by a lubricant disposed in a lubricant chamber disposed between the first and second seal lips. | 11-20-2008 |
| 20080265523 | Asymmetric Gasket - The asymmetric gasket counteracts the twisting tendency of a gasket in radiused portions. The design also energizes the seal in higher pressure applications to further increase the seal force and uniformity. The result is the minimization of potential for gasket roll and maximized seal pressure and stability. The gasket includes a gasket body having an upper surface and a lower surface each adapted to engage one of the two members being sealed. The gasket body has a radiused portion having an asymmetric cross section wherein the intermediate portion of the outboard surface extends radially outward from the outboard edges of the upper and lower surfaces to a greater extent than the intermediate portion of the inboard surface extends radially inward from the inboard edges of the upper and lower surfaces. | 10-30-2008 |
| 20080258406 | 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 insert and includes flexible axially extending portion extending from an inner surface of the retainer insert. A seal portion extends axially from a radially inward end of the radially inwardly extending portion and includes a seal lip with a garter spring disposed radially outward of the sealing lip and an elastomeric bearing surface disposed adjacent to the sealing lip. The bearing surface includes a plurality of raised pads adapted to engage the shaft. The pads each include a rounded edge on lateral sides thereof for encouraging the creation of a lubricating film between the pads and shaft. The pads are lubricated by direct exposure to the fluid being sealed. | 10-23-2008 |
| 20080237999 | DUST BOOT RETENTION SYSTEM - A dust boot retention system includes a jounce bumper having an end portion with an outer diameter and an annular recessed groove adjacent to the end portion. A dust boot is attached to the jounce bumper and has an upper flange including a radially inwardly extending portion and an axially extending portion extending from an innermost portion of the radially inwardly extending portion. The axially extending portion has an inner diameter smaller than the outer diameter of the end portion of the jounce bumper. A rate ring secures the dust boot to the jounce bumper. The rate ring includes an inner diameter smaller than the outer diameter of the end portion of the jounce bumper. The rate ring includes an annular recessed channel in a first end thereof for receiving the axially extending portion of the dust boot. The rate ring and the upper flange are press fit over the end portion of the jounce bumper whereby the rate ring is received in the annular recessed groove and secures the end portion of the dust boot to the jounce bumper. | 10-02-2008 |
| 20080231002 | 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 disposed therein. A second seal portion is axially spaced from the first seal portion and a flexible membrane extends axially between the first and second seal portions. The second seal portion engages an inner diameter of a bore in a cover member and includes a reinforcing insert therein. The sensor seal takes up a small radial space yet allows for radial offset of the sensor body relative to the bore of the cover member. | 09-25-2008 |
| 20080226862 | Barrier Gasket - A barrier gasket ( | 09-18-2008 |
| 20080217864 | Wide Range Temperature and Pressure Hydraulic Cylinder Sealing System - A seal system for a reciprocating cylinder includes a buffer seal, a rod seal, and a wiper seal. The buffer seal includes a dynamic seal lip and a static lip extending from a hinge portion. The hinge portion of the static lip allows fluid to escape past the outer diameter of the seal when the rod is retracted thereby releasing any pressure build-up between the rod seal and buffer seal. The axial face portion of the dynamic seal lip includes axially extending notches therein. The notches prevent the buffer seal from sticking to the axial wall of the groove and provide a consistent path for the fluid to energize the annular groove between the static and dynamic lips during the extension phase which is necessary for the function of the seal. The back-up ring is an integrated part of the buffer seal, used to provide superior extrusion resistance. The rod seal includes an annular seal body having a dynamic seal lip angularly extending radially inwardly and axially from the seal body, and a static lip angularly extending radially outwardly and axially from the seal body. An axial face portion of the dynamic seal lip and the static lip each include radially extending notches therein. The notches prevent the seal from sticking to the axial walls of the groove the rod seal is installed in and provides a consistent path for the fluid to energize the annular groove created by the static and dynamic lip during the extension phase. The back-up ring is an integrated part of the rod seal, used to provide superior extrusion resistance. | 09-11-2008 |
| 20080210897 | 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 having a seal assembly located and retained therein through a mechanical engagement therewith. | 09-04-2008 |
| 20080199761 | 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 membrane between two gas diffusion layers with the integrated seals of the gas diffusion layers interlocking the gas diffusion layers together to complete the MEA. | 08-21-2008 |
| 20080199760 | Gas Diffusion Layer With Integrated Seal for Use in a Fuel Cell - A membrane electrode assembly is provided for use in a fuel cell and utilizes an external manifold and seal structure which are molded directly to the gas diffusion layers. The integrated manifold and gas diffusion layers are formed as duplicate components which can be oriented 180 degrees offset to one another to create the MEA assembly with a catalyst coated membrane disposed therebetween. The integrated manifold and seal structures can be held together by heat pressing or other known connection techniques. | 08-21-2008 |
| 20080197581 | 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 plane. A first transition portion is formed between the first and second portions. The first transition portion defines a first width in the engagement region that is greater than a second width defined in the first and second portion adjacent to the first transition portion. | 08-21-2008 |
