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| Number | Title | Issue Date |
| 8181971 | Sealing ring A sealing ring has a sealing element with at least one fastening part and at least one sealing part provided with a sealing edge. The sealing element is essentially of rotational symmetry. The sealing edge, at least over a portion of a circumference thereof, is posi... | 05/22/2012 |
| 8056904 | Low torque hydrodynamic lip geometry for bi-directional rotation seals A hydrodynamically lubricating geometry for the generally circular dynamic sealing lip of rotary seals that are employed to partition a lubricant from an environment. The dynamic sealing lip is provided for establishing compressed sealing engagement with a relativel... | 11/15/2011 |
| 7959159 | Sealing arrangement In order to provide a seal arrangement for sealing between a first medium space filled with a first medium and a second medium space filled with a second medium which ensures reliable sealing between the medium spaces with very low leakage values even over a prolong... | 06/14/2011 |
| 7918463 | Reciprocating seal A reciprocating seal used, for example, for a shock absorber. A main seal lip has a two-step lip structure including a first lip and a second lip and a plurality of protrusions extending in the direction of the shaft are formed on a sliding contact surface of the se... | 04/05/2011 |
| 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 |
| 7828300 | Sealing device for reciprocating shaft To stabilize frictional force to the reciprocating shaft without affecting sealing ability, a sealing device for a reciprocating shaft comprises a main lip 11, a whole periphery of which slidably and tightly contacts with an outer peripheral surface of a shaf... | 11/09/2010 |
| 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 |
| 7770898 | Stabilizing geometry for hydrodynamic rotary seals A hydrodynamic sealing assembly including a first component having first and second walls and a peripheral wall defining a seal groove, a second component having a rotatable surface relative to said first component, and a hydrodynamic seal comprising a seal body of ... | 08/10/2010 |
| 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 |
| 7562878 | Low torque hydrodynamic lip geometry for bi-directional rotation seals A hydrodynamically lubricating geometry for the generally circular dynamic sealing lip of rotary seals that are employed to partition a lubricant from an environment. The dynamic sealing lip is provided for establishing compressed sealing engagement with a relativel... | 07/21/2009 |
| 7506875 | Sealing device On a seal lip, first screw projections are arranged from an atmosphere side slope surface to the middle of a sliding surface, and second screw projections are arranged on the sliding surface. The end section on the sliding surface side of a first screw projection ha... | 03/24/2009 |
| 7494130 | 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 ... | 02/24/2009 |
| 7419165 | Seal assembly and method of manufacturing the same A seal assembly and method for the manufacture thereof is provided. The seal assembly provides a dynamic fluid seal between a housing having a bore and a shaft having an outer running surface rotating within the bore. The seal assembly comprises a rigid carrier for ... | 09/02/2008 |
| 7380797 | Wheel support bearing assembly To provide a wheel support bearing assembly in which the frictional resistance can be effectively reduced while effects of minimizing leakage of the filled lubricant and ingress of dust and muddy water from outside of the bearing assembly are secured, the wheel supp... | 06/03/2008 |
| 7322579 | Spline shaft seal assembly The present invention relates to seals and, in particular, to a seal that retains lubrication between the interface of a spline shaft and a sleeve shaft, which move relative to each other. The seal body has a flexible body with an axis and alternating projections an... | 01/29/2008 |
| 7316386 | Valve stem seal assembly A valve stem seal assembly having a retainer body that includes an annular interior passageway defined by a wall is disclosed. At least one internal sprue extends between top and bottom ends of the retainer body and are formed within the wall. A channel is concentri... | 01/08/2008 |
| 7284759 | Mounting guard ring A mounting guard ring for a sealing ring with at least one sealing lip, surrounding a sleeve-shaped protective ring with a supporting surface for the sealing lip disposed at the outer periphery and a holding device shaped as a grip, the protective ring being provide... | 10/23/2007 |
| 7284758 | Textured seal for reduced wear The present invention relates to seals having textured features. The present invention particularly relates to seals having contact surfaces with said features wherein the contact surface seals properly and is resistant to wear. The contact surface is able to perfor... | 10/23/2007 |
| 7229077 | Ordered elastomeric composite material Ordered elastomeric composites comprise an ordered arrangement of a number of first elastomeric phases distributed uniformly within a continuous matrix second elastomeric phase. The second phase can be formed from an elastomeric material that is relatively harder th... | 06/12/2007 |
| 7228866 | Rinsing device for a sealing system, and process for using the same The invention relates to a flushing device for a sealing system on a housing element with a sealing surface and an associated closing element with a radially outer elastic seal, comprising at least one source for a flushing medium, an annular channel arranged in the... | 06/12/2007 |
| 7172201 | Sealing ring, especially radial shaft seal A sealing ring has a sealing disk having a fastening part and a seal part. The fastening part is connected to a first stationary machine part and the seal part seals a movable machine part and is oriented in an axial direction toward an atmosphere side or a medium s... | 02/06/2007 |
| 7156399 | Sealing device and sliding member A sealing device comprises a sealing member brought into contact with a contact surface so as to be slidable in a predetermined sliding direction. The sealing member comprises a sliding contact portion containing a high polymer material to be brought into sliding co... | 01/02/2007 |
| 7147229 | Shaft seal assembly with retaining ring and washer A shaft seal assembly (10) features an annular carrier (14), an annular shaft seal element (16) and an annular felt washer (18) in an integral assembly that can be installed in one step using a simple push-on tool. The washer (18) ... | 12/12/2006 |
| 7134671 | Lip seal having increased contact force at interface and apparatus incorporating the same A seal having a body portion, at least one lip portion extending from the body portion, and a protrusion formed on the at least one lip portion. The lip portion and protrusion formed thereon may each include an arcuate segment wherein the arcuate segment of the prot... | 11/14/2006 |
| 7121716 | Mixing equipment sealing device A shaft sealing arrangement for sealing bores around a pair of stirrer shafts that emerge through a wall of an associated mixing vessel includes a pair of generally cylindrical shaft sealing assemblies designed to be carried on adjacent stirrer shafts, each gland as... | 10/17/2006 |
| 7100924 | Elastomeric hinged seal A hydrodynamic PTFE seal for a rotating part including a first portion supported by a flexible, elastomeric member and a second portion extending from the first portion past the elastomeric member along the rotating part. The second or trailing portion of the seal i... | 09/05/2006 |
| 7090222 | Shaft sealing assembly for vacuum processing apparatus Herein disclosed is a shaft sealing apparatus which comprises a vacuum casing formed with a vacuum chamber, a driving shaft having an outer cylindrical surface and movably extending in the vacuum chamber of the vacuum casing, and a sealing ring in the form of an ann... | 08/15/2006 |
| 7080841 | Hub seal adapter A hub seal adapter has an outer diameter and thickness dimensioned to removably fit into the internal bore of a standard automotive hub in the same position that the grease seal would normally occupy, and be retained in the hub by the same snap ring as would be used... | 07/25/2006 |
| 7070017 | Rotating apparatus for construction machine A swing mechanism for a construction machine having a grease bath seal. A grease bath can be disposed on a vehicular base carrier of the machine, and can be coupled with a swing frame. The grease bath seal can then act to prevent intrusion of pollutants or other for... | 07/04/2006 |
| 7066467 | Sealing device for water pump bearings A sealing device for a water pump bearing employs a seal member without an axial lip, and having only a radial lip. The sealing device includes an annular seal member which is fixed to a shoulder portion of one end in an axial direction of an outer race of a water p... | 06/27/2006 |
| 7066471 | Lip-type shaft seal A lip-type shaft seal is made of elastic material with a Shore A hardness of ≦75, includes a radial sealing lip, which has a sealing edge to bear against a rotating component and terminates in a axial sealing lip, which has a sealing edge to rests in installed sta... | 06/27/2006 |
| 7063329 | Seal/method for improved retention of the sealing element in annular grooves A fitting having an axial end with a front face having an annular groove of half dovetail configuration for receiving a seal. The annular groove having a generally flat base portion, a first and a second side wall generally perpendicular with the base portion and a ... | 06/20/2006 |
| 7055828 | Shaft seal A lubricant seal assembly has an outer seal component and a separate inner wear sleeve. The outer seal component has a carrier and a PTFE seal element which lays down against the wear sleeve to provide a seal collar extending to an oil side of the seal assembly. The... | 06/06/2006 |
| 7055824 | Lip-type high pressure seal A high pressure shaft seal (10A) for use in a refrigerating machine wherein carbon dioxide is used as a refrigerant in lieu of “Freon”. The seal has a sealing lip (24A) made of a non-elastomeric polymer material such as nylon that has a small gas p... | 06/06/2006 |
| 7052020 | Hydrodynamic rotary seal A hydrodynamically lubricating rotary seal for partitioning a lubricant from an environment has a generally circular seal body, a sloping dynamic sealing lip, and an energizer. The dynamic sealing lip is provided for establishing compressed sealing relation with a r... | 05/30/2006 |
| 7040474 | Bonded clutch piston 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 pisto... | 05/09/2006 |
| 7040628 | Large diameter polytetrafluoroethylene or like seals A large-diameter PTFE seal. The lip of the seal is made from a long strip of PTFE bound together at the ends with the aid of a patching tape to form a closed loop. The loop is then flanged and placed between an inner and an outer case, together with a rubber-like ga... | 05/09/2006 |
| 7025357 | Shaft seal having lip supports 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 inser... | 04/11/2006 |
| 7004471 | Radial lip seal A radial lip seal including an annular support with a radially extending portion having an inner periphery. An annular seal lip formed of elastomeric material such as polytetrafluoroethylene is connected to the inner periphery. The lip has an inner side adapted to s... | 02/28/2006 |
| 6994352 | Rotation shaft seal A rotation shaft seal to seal liquid, which is poor of lubricant liquid, stably for a long time. In a rotation shaft seal, provided with a rubber lip portion having a sliding inner peripheral edge portion which contacts a rotation shaft to seal liquid on a pressure ... | 02/07/2006 |
