Patent application number | Description | Published |
20080271301 | 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 supporting the seal assembly within the bore of the housing. A flexible member is mounted to the rigid carrier. The flexible member is formed from an elastomeric material that allows the flexible member to flex during use. A sealing element is retained by the flexible member about the outer running surface. The sealing element is formed from a non-polytetrafluoroethylene bearing grade plastic material having a hardness relatively greater than a hardness of the elastomeric material of the flexible member. The sealing element moves with the flexible member as the flexible member flexes. The sealing element extends along the outer running surface in a plurality of helically wound convolutions. | 11-06-2008 |
20100187768 | RADIAL SHAFT SEAL, RADIAL SHAFT SEAL ASSEMBLY AND METHOD OF INSTALLATION - A radial shaft seal configured for receipt in a housing and about a shaft to sealingly isolate an air side of the seal from an oil side of the shaft seal is provided. The seal includes a mounting portion and a seal lip having an annular sealing surface extending between an oil side end and a free air side end. An annular bridge is connected to the oil side end of the seal lip by a first hinge and to the mounting portion by a second hinge. The bridge extends from the first hinge to the second hinge in radially overlying relation to the seal lip. A projection extends from the first hinge away from the bridge toward the oil side of the seal to prevent the seal lip from inverting during the oil-side installation assembly. | 07-29-2010 |
20100187769 | RADIAL SHAFT SEAL, RADIAL SHAFT SEAL ASSEMBLY AND METHOD OF INSTALLATION - A radial shaft seal configured for receipt in a housing and about a shaft to sealingly isolate an air side of the seal from an oil side of the shaft seal is provided. The seal includes a mounting portion and a seal lip having an annular sealing surface extending between an oil side end and a free air side end. An annular bridge is connected to the oil side end of the seal lip by a first hinge and to the mounting portion by a second hinge. The bridge extends from the first hinge to the second hinge in radially overlying relation to the seal lip. An annular projection extends from the mounting portion axially away from the bridge. The projection has an oil side facing the seal lip and confronts the air side end of the seal lip upon the seal lip pivoting about the first hinge. | 07-29-2010 |
20110221143 | LOW TORQUE SHAFT SEAL WITH IMPROVED SEAL ELEMENT BOND JOINT - A shaft seal assembly includes a metal case having a wall extending cylindrically about a central axis with an annular leg extending radially inwardly from the wall toward the central axis. An elastomeric material is bonded to the leg, and a PTFE seal element is attached to the elastomeric material at a bond joint. The bond joint is spaced radially inwardly from the leg and in radial alignment with the leg and inhibits the elastomeric material from flexing. As such, the elastomeric material is isolated or substantially isolated from impacting the performance of the PTFE seal element during use. Accordingly, the bond joint provides a reliable seal of the PTFE seal element against a running surface of a shaft or wear sleeve. | 09-15-2011 |
20110227293 | RADIAL SHAFT SEAL ASSEMBLY WITH LUBRICATION RETENTION AND DEBRIS EXCLUSION FEATURE AND METHOD OF CONSTRUCTION THEREOF - A radial shaft seal assembly includes an outer case having an axially extending cylindrical outer rim and an axially extending cylindrical inner rim spaced radially from one another by an annular pocket. A radially extending first leg connects the outer rim to the inner rim and a second leg extends radially inwardly from the inner rim to a free end. The assembly includes a wear sleeve having an axially extending cylindrical wall with an outer surface providing a running surface and a flange extending radially outwardly from the running surface. A seal lip extends inwardly from the free end of the second leg into sealing abutment with the running surface. A first porous filter is received in the pocket, and a second porous filter extends in substantial abutment with the outer rim and the second leg of the outer case. | 09-22-2011 |
20110239749 | CYLINDER HEAD COMPRESSION SENSOR GASKET ASSEMBLY, METHOD OF CONSTRUCTION THEREOF AND METHOD OF SERVICING A PRESSURE SENSOR ASSEMBLY IN A CYLINDER HEAD COMPRESSION SENSOR GASKET ASSEMBLY - A cylinder head compression sensor gasket assembly includes a gasket body having a sealing portion configured to be clamped between an engine block and a cylinder head. The sealing portion has a plurality of through openings configured to register with separate cylinder bore in the engine block wherein the sealing portion establishes a gas-tight seal about the through passages. A plurality of pressure sensor assemblies are attached in sealed engagement with the gasket body with at least one of the pressure sensor assemblies being configured to sense pressure within a separate one of the through openings. An electrical connector is supported on the gasket body radially outwardly from the sealing portion. The electrical connector is configured in electrical communication with each of the pressure sensor assemblies. Accordingly, the electrical connector is accessible without having to disassemble the gasket body from being clamped between the cylinder head and the engine block. | 10-06-2011 |
20120068416 | DYNAMIC RADIAL SHAFT SEAL ASSEMBLY WITH COMBINATION DUST EXCLUSION THRUST PAD - A dynamic radial shaft seal assembly includes an inner wear sleeve having a cylindrical inner wall with a bore sized for receipt about a shaft and an outer running surface. The inner wear sleeve has a flange extending radially outwardly from the running surface. The assembly further includes an outer case having cylindrical outer wall configured for receipt in a housing and a rim extending radially inwardly from the outer wall. An elastomeric body is attached to the rim. The elastomeric body includes a main seal lip configured to engage the outer running surface of the inner wear sleeve and a plurality of thrust pads extending axially from the rim for engagement with the flange. The thrust pads are spaced circumferentially from one another by gaps. The elastomeric body further includes a first dust exclusion lip extending axially from the leg and bridging the gaps. | 03-22-2012 |
20120079878 | COMPRESSION SENSOR GASKET ASSEMBLY AND METHOD OF SERVICING A COMBUSTION PRESSURE SENSOR WITHIN A GASKET ASSEMBLY - A compression sensor gasket assembly includes a gasket body having opposite substantially planar sealing surfaces configured for sealing abutment with an engine block and a cylinder head. The gasket body has at least one through opening configured to register with a cylinder bore and a passage extends from an outer periphery of the gasket body between the opposite sealing surfaces. The gasket assembly includes a mounting flange fixed to the gasket body. The mounting flange extends outwardly from one of the substantially planar sealing surfaces. A pressure sensor assembly extends through the passage, and a mounting member is releasably fixed to the mounting flange to operably fix the pressure sensor assembly to the gasket body. The pressure sensor assembly is readily accessible, such that during service the pressure sensor assembly can be removed and serviced without having to remove the cylinder head from the engine block. | 04-05-2012 |
20120222472 | COMPRESSION SENSOR GASKET ASSEMBLY - A compression sensor gasket assembly includes a pressure sensor assembly having an annular, radially extending pressure sensor seal seat and a gasket body having opposite sides extending between an opening configured to register with a cylinder bore of an internal combustion engine and an outer periphery. The opposite sides of the gasket body are spaced from one another adjacent the opening by a known thickness and a circumferentially enclosed passage extends between the opposite sides into the opening. The passage has an annular, radially extending gasket seal seat. The gasket seal seat is formed within a distance equal to or less than about 3 times the thickness of the gasket body and the pressure sensor assembly is received at least in part the passage with the sensor seal seat being brought into operably sealed engagement with the gasket seal seat. | 09-06-2012 |
20120228829 | RADIAL SHAFT SEAL, RADIAL SHAFT SEAL ASSEMBLY AND METHOD OF INSTALLATION - A radial shaft seal configured for receipt in a housing and about a shaft to sealingly isolate an air side of the seal from an oil side of the seal is provided. The seal includes a mounting portion and a seal lip having a sealing surface extending between an oil side end and a free air side end. An annular bridge is connected to the oil side end of the seal lip by a first hinge and to the mounting portion by a second hinge. The bridge extends in radially overlying relation to the seal lip. A projection extends from the first hinge away from the bridge. A plurality of ribs extend radially inwardly from the projection. The ribs minimize friction between the seal and the shaft during installation and prevent the seal lip from inverting during the oil-side installation assembly. | 09-13-2012 |
20120235362 | LOW TORQUE RADIAL SHAFT SEAL ASSEMBLY - A shaft seal assembly includes a metal case having an annular leg extending radially inwardly to a free end with opposite oil and air sides of the leg facing respective oil and air sides of the seal assembly. An elastomeric material bonded to the leg forms a main body adjacent the free end and a primary seal lip radially inwardly from the main body. The primary seal lip has a sealing surface that extends between an air side end and free oil side end. The air side end is attached to an annular bridge via a first hinge and the bridge is operably attached to the main body via a second hinge. The first and second hinges each have a thickness that is less than a thickness of the bridge and the thickness of the first hinge is less than a thickness of the primary seal lip. | 09-20-2012 |
20120280457 | HYDRODYNAMIC SEAL WITH INCREASED FLEXIBILITY SEALING ELEMENT - A hydrodynamic shaft seal assembly includes a PTFE seal member having outer and inner sections. The outer section is affixed to an annular carrier. The inner section is free and includes at least one hydrodynamic groove in direct running contact with a rotating shaft or wear sleeve. A mid-portion of the seal member is formed between the inner and outer sections. The mid-portion is thinned and includes one or more annular undulations formed therein to improve flexibility of the inner section relative to the outer section. The seal assembly may include one or more excluder features. A rubber casing is molded about portions of the carrier. Preferably, one or more annular undulations are formed in a coining operation during the rubber molding process. | 11-08-2012 |
20120319358 | RADIAL SHAFT SEAL, RADIAL SHAFT SEAL ASSEMBLY AND METHOD OF INSTALLATION - A radial shaft seal configured for receipt in a housing and about a shaft to sealingly isolate an air side of the seal from an oil side of the shaft seal is provided. The seal includes a mounting portion and a seal lip having an annular sealing surface extending between an oil side end and a free air side end. An annular bridge is connected to the oil side end of the seal lip by a first hinge and to the mounting portion by a second hinge. The bridge extends from the first hinge to the second hinge in radially overlying relation to the seal lip. An annular projection extends from the mounting portion axially away from the bridge. The projection has an oil side facing the seal lip and confronts the air side end of the seal lip upon the seal lip pivoting about the first hinge. | 12-20-2012 |
20130042674 | COMPRESSION SENSOR GASKET ASSEMBLY AND METHOD OF CONSTRUCTION THEREOF - A compression sensor gasket assembly includes a gasket body and a pressure sensor assembly having a sensor tip and an externally threaded portion. The gasket body has opposite sides extending between an opening configured to register with a cylinder bore of an internal combustion engine and an outer periphery. A notch extends into the outer periphery to a recessed surface. A sensor receptacle configured for at least partial receipt of the pressure sensor assembly extends from the recessed surface to the opening. A nut is disposed in the notch with internal threads of the nut being aligned for threaded engagement with the externally threaded portion of the pressure sensor assembly. The nut has bifurcated fingers extending laterally outwardly from an outer surface. The bifurcated fingers have inner surfaces bonded to at least one of the opposite sides of the gasket body to facilitate proper orientation of the pressure sensor assembly. | 02-21-2013 |
20130049306 | RADIAL SHAFT SEAL WITH DUST EXCLUSION AND HYDRODYNAMIC SEALING FEATURE - A radial shaft seal configured for receipt in a housing and about a shaft to sealingly isolate an air-side of the shaft seal from an oil-side of the shaft seal is provided. The seal includes an annular mounting portion and a seal lip operably attached to the mounting portion. The seal lip has an annular inner sealing surface extending axially between an oil-side end and a free air-side end. The inner sealing surface has a first groove region extending along the shaft in sealed engagement therewith and a second groove region extending along the shaft in sealed engagement therewith. The first groove region and the second groove region are spaced axially from one another by an intermediate non-grooved region. The first groove region is configured to direct contamination toward the air-side of the seal and the second groove region is configured to direct lubrication toward the oil-side of the seal. | 02-28-2013 |
20130249170 | RADIAL SHAFT SEAL WITH STATIC AND HYDRODYNAMIC SEALING FEATURES - A radial shaft seal configured for receipt in a housing and about a shaft to sealingly isolate an air-side of the shaft seal from an oil-side of the shaft seal is provided. The seal includes an annular mounting portion; an elastomeric seal body connected to the mounting portion, and a seal lip connected to the seal body. The seal lip has an annular inner sealing surface extending axially between an oil-side end and a free air-side end. The inner sealing surface has a first groove region and a circumferentially continuous annular static band. The first groove region is spaced axially from the static band and extends between the static band and the oil-side end to pump lubrication toward the oil-side of the seal. The static band prevents the lubrication from leaking from the oil-side to the air-side of the seal. | 09-26-2013 |
20140265152 | Scavenger Pump Seal and Radial Shaft Seal Assembly Therewith - A scavenger pump seal and radial shaft seal assembly therewith are provided. The scavenger pump seal includes an inner case configured for fixed attachment to a shaft for conjoint rotation with the shaft and an outer case configured for fixed receipt in a housing in which the shaft rotates. The inner case has an innermost wall sized for a press fit on the shaft and an outermost wall. An absorbent member is fixed to the inner case with the outermost wall overlying the absorbent member, thereby preventing the absorbent member from moving radially outwardly. The outer case has an outermost wall sized for fixed receipt in the housing, and facilitates preventing the egress of oil to the external environment. | 09-18-2014 |
Patent application number | Description | Published |
20090301892 | PROCESS AND APPARATUS FOR PLATING ARTICLES - A process and apparatus utilizing at least one conformable anode ( | 12-10-2009 |
20120114971 | WEAR RESISTANT LEAD FREE ALLOY SLIDING ELEMENT METHOD OF MAKING - A sliding element | 05-10-2012 |
20130113164 | PISTON RING WITH A WEAR-RESISTANT COBALT COATING - A piston ring is provided having a bottom surface, a top surface, an inner diameter surface and at least one running surface. A wear protection coating substantially entirely of cobalt is applied to the at least one running surface to protect the base material of the piston ring. Specifically, during operation of an engine, the more durable cobalt wear resistant coating, not the base material which may be steel or cast iron, is in sliding contact with a cylinder wall. The cobalt coating may be applied through, for example, electrodeposition or plasma spraying. | 05-09-2013 |
20140260959 | WEAR RESISTANT PISTON RING COATING - A method of manufacturing a coated piston ring includes applying a layer of an aluminum-based material to an outside surface of a ring body formed of an iron-based material, such as steel. The layer of an aluminum-based material is applied by thermal spraying. The method further includes an environmentally friendly heat treatment process causing the aluminum-based material to combine with the iron-based material of the ring body and form a wear resistant coating of aluminum iron (Al | 09-18-2014 |
Patent application number | Description | Published |
20110257319 | Emulsions Of High Viscosity Silicone Polyethers - A process is disclosed for making an aqueous emulsion of a silicone polyether having a viscosity greater than 10 kYa-s at 25 QC by combining; an SiH terminated silicone polyether copolymer having an HLB of less than 7, an organopolysiloxane having terminal unsaturated groups, a hydrosilylation catalyst, and an emulsifier to form an oil phase, and then admixing water to the oil phase to form an emulsion. | 10-20-2011 |
20130149259 | SACCHARIDE SILOXANE COPOLYMERS AND METHODS FOR THEIR PREPARATION AND USE - A novel saccharide siloxane copolymer is useful in personal care compositions. The saccharide siloxane copolymer may be used as a universal emulsifier to prepare low odor emulsions for personal care applications. | 06-13-2013 |
20130149260 | EMULSIONS CONTAINING SACCHARIDE SILOXANE COPOLYMER EMULSIFIERS AND METHODS FOR THEIR PREPARATION AND USE - An emulsion contains a saccharide siloxane copolymer as an emulsifier. The emulsion is useful in formulating personal care products. | 06-13-2013 |
20130149261 | EMULSIONS CONTAINING SACCHARIDE SILOXANE COPOLYMER EMULSIFIERS AND METHODS FOR THEIR PREPARATION AND USE - A saccharide siloxane copolymer is useful as an emulsifier. Emulsions prepared with the saccharide siloxane copolymer are useful in personal care products. | 06-13-2013 |
20140371317 | Silicone Resin Emulsions - The present disclosure relates to compositions comprising: i) an aqueous silicone emulsion comprising; A) 0.5 wt % to 95 wt % of a silicone gum, resin, or PSA, B) 0.1 to 90 wt % of an ethylene oxide/propylene oxide block copolymer, and sufficient amount of water to sum all ingredients of the silicone gum emulsion to 100 weight percent, ii) a healthcare active, and iii) an optional enhancer(s). | 12-18-2014 |