| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 384470000 |
Cage structure
| 51 |
| 384473000 |
Reservoir, filter or lubrication circuit structure
| 36 |
| 384474000 |
Lubrication port
| 30 |
| 384463000 |
Solid lubricant feature
| 16 |
| 384467000 |
Cooling by lubricant
| 11 |
| 384469000 |
Porous or wick structure
| 9 |
| 384471000 |
With pressure or suction means | 5 |
| 20110222804 | WIND TURBINE GENERATOR - A wind turbine generator is provided in which damage to a rolling element due to running out of lubricant oil in a main bearing ( | 09-15-2011 |
| 20140248015 | ROLLING BEARING DEVICE - A lubricant supply unit that supplies lubricating oil to a raceway groove of an inner ring is fixed to an outer ring. The lubricant supply unit is provided with a first and second radially separated electrodes used to supply electric power from an external power source to the micropump. Each of the first and second radially separated electrodes is fixed to an outer face of a tank that is stationary relative to the micropump so as to be exposed on the outside of the lubricant supply unit. The first radially separated electrode is arranged so as to be apart from the second radially separated electrode. | 09-04-2014 |
| 20140341490 | BEARING DEVICE - An object of the present invention is to provide a bearing device which includes a lubricant supply device that is capable of supplying lubrication oil from a lubrication oil tank to a rolling bearing without time lag and without using a pump, and at a high level of energy efficiency. A bearing device is constituted by a rolling bearing and a lubricant supply device combined with each other. The lubricant supply device includes a lubrication oil tank which stores pressurized lubrication oil and has a lubrication oil discharge spout; an open/close valve which opens/closes the discharge spout of the lubrication oil tank; a driving section which operates the open/close valve; and an electric power source section which generates electric energy for operation of the driving section. The lubricant supply device is attached to the rolling bearing or to a spacer adjacent thereto. | 11-20-2014 |
| 20160084313 | ROLLING BEARING DEVICE - A rolling bearing device includes a rolling bearing and an oil supply unit. The oil supply unit includes a lubrication oil tank, a pump which sucks lubrication oil from the lubrication oil tank and discharges the lubrication oil from a discharge porta driving section which drives the pump and a generator section which supplies the driving section with electric energy. The oil supply unit is attached to a fixed-ring-side member of the rolling bearing or a spacer adjacent to the rolling bearing. The oil supply unit further includes a communication unit which transmits operation information of the oil supply unit to an outside. | 03-24-2016 |
| 20160102710 | ROLLING BEARING DEVICE - A lubricant supply unit that supplies lubricating oil to a raceway groove of an inner ring is fixed to an outer ring. The lubricant supply unit is provided with a first and second radially separated electrodes used to supply electric power from an external power source to the micropump. Each of the first and second radially separated electrodes is fixed to an outer face of a tank that is stationary relative to the micropump so as to be exposed on the outside of the lubricant supply unit. The first radially separated electrode is arranged so as to be apart from the second radially separated electrode. | 04-14-2016 |
| 384468000 |
Oil mist feature | 3 |
| 20080304780 | Bearing Device - The present invention relates to a bearing device in which an inner ring is sealed from an outer ring by seals and together with the outer ring forms a closed bearing unit with a built-in circulation circuit for a lubricating oil mist. Rolling elements and rolling tracks disposed in the circulation circuit and lubricated by the oil mist. Means are adapted to forming an oil mist of lubricating oil from a reservoir, and means are adapted to causing the oil mist to flow in the circulation circuit. The invention also relates to an application of the bearing device for rotatably supporting a rotor in a centrifugal separator and to a method for supporting a centrifugal separator rotor for rotation about an axis of rotation. | 12-11-2008 |
| 20120275737 | BEARING ASSEMBLY HAVING AN INTERNAL OIL MIST GENERATOR - A rolling element bearing includes a plurality of rolling elements disposed between at least one bearing inner ring and at least one bearing outer ring. A cage retains and guides the rolling elements between the at least one bearing inner ring and the at least one bearing outer ring. An annular extension extends from the cage. The annular extension has a rectangular contour when viewed in radial cross-section and has a surface roughness (R | 11-01-2012 |
| 20140105528 | ROLLING BEARING - A rolling bearing includes: a first raceway member having a first annular raceway surface; a second raceway member having a second annular raceway surface opposing the first raceway surface; a plurality of rolling elements arranged between the first raceway surface and the second raceway surface so as to roll; and a guide member formed integrally with or separately from the second raceway surface. The guide member including: an annular guide surface arranged at a position different form the second raceway surface in an axial direction; a plurality of flow paths which are separately provided in the axial direction and in which compressed air for supplying lubricating oil flows; and discharge openings which spray the compressed air to a guided surface. An annular cage that holds the plurality of rolling elements at given intervals in a circumferential direction and has the guided surface which opposes the guide surface such that the guided surface can slidably contact the guide surface. | 04-17-2014 |
| 384472000 |
Impeller | 3 |
| 20130084035 | Fractured-Outer-Race Full-Complement Ball-Bearing System For Use In A Turbocharger - A turbocharger ball-bearing assembly incorporates a cageless set of ceramic bearing balls operating within outer and inner bearing raceways, wherein the outer bearing raceway is on the inside of a fractured outer race. | 04-04-2013 |
| 20140093200 | SEALING DEVICE FOR AXLE BEARING - In the present invention, disclosed is a sealing device for an axle bearing wherein a lubricant is maintained on sliding contact surfaces, thereby suppressing elevation of torque due to the depletion of grease. A lubricant-adsorbing layer ( | 04-03-2014 |
| 20160053807 | BEARING FOR A ROTARY MACHINE - A bearing for a rotary machine includes an inner sleeve providing a first bearing surface and an outer sleeve circumscribing the inner sleeve and providing a second bearing surface in opposing relation to the first bearing surface. The bearing includes at least one tolerance ring for retaining the inner sleeve on a rotor shaft of the rotary machine and another tolerance ring for retaining the outer sleeve on a stator of the rotary machine. | 02-25-2016 |
| 384465000 |
Centrifugal feature | 3 |
| 20140219596 | ROLLING BEARING UNIT - Radial passages ( | 08-07-2014 |
| 20160003301 | SHAFT BEARING WITH A SHAFT SEAL - A shaft bearing with a shaft seal, in particular for water pumps in motor vehicles, arranges a special radial shaft seal inside the outer bearing ring. The seal is made up of a stable rear wall arranged at a certain distance from the water-side of the shaft seal and fixed in the outer bearing ring, a secondary lip seal adjacent to a water-side of the rear wall, a support body solidly fixed in position in the outer bearing ring and adjacent to the secondary lip seal and a primary lip seal fixed in position adjacent to the support body on the water side, i.e. on the pressure side and opposite to the support body as well as opposite the outer bearing ring. Leakage openings are also arranged in the outer bearing ring, between the water-sided shaft seal of the shaft bearing and the rear wall which is arranged at a distance therefrom. | 01-07-2016 |
| 20160040720 | OIL DEFLECTOR AND OIL DEFLECTOR-BEARING ASSEMBLY - An oil deflector is provided comprising a ring-shaped body having a first face and an axial projection extending from the first face. The projection has a radially inwardly facing deflection surface. An oil deflector-bearing assembly includes a bearing, the oil deflector, and a carrier with a plurality of radial oil grooves. The second face of the oil deflector is arranged adjacent to an axial face of the bearing and the carrier is arranged adjacent to the oil deflector so that the projection is at least partially received in one of the oil grooves for deflecting an axial flow of oil. | 02-11-2016 |
| 384464000 |
Dipping, surface treatment or member versus lubricant density | 3 |
| 20090232432 | Lubricating grease and lubricating grease-enclosed roller bearing - The present invention provides lubricating grease which is excellent in durability at a high temperature, restrains a reaction from occurring between fluorine and steel, and has a long life; and a rolling bearing in which the lubricating grease is enclosed. The lubricating grease contains perfluoropolyether oil as a base oil thereof and fluorocarbon resin powder as a thickener thereof. The lubricating grease further contains an additive containing a substance capable of forming a film on a metal surface. The substance is a diurea compound having an —NH— bond in a molecular structure thereof, an organic-acid metal salt such as sodium sebacate, molybdate such as potassium molybdate or sodium molybdate, or a bismuth-containing compound such as bismuth sulfate. The rolling bearing has an inner ring and an outer ring disposed concentrically with each other, a plurality of rolling elements interposed between the inner ring and the outer ring, and a retainer dividedly holding the rolling elements. The lubricating grease is enclosed on the periphery of the rolling elements. | 09-17-2009 |
| 20110243487 | APPARATUS WITH SECONDARY LOAD PATH FOR VEHICLE WHEEL BEARING ASSEMBLY AND FEATURE TO INHIBIT CORROSION - The apparatus includes a first component mounted for rotation with the wheel and a second component spaced from the first component by a predetermined gap and not connected for rotation with the wheel. One of the first and the second components is displaced relative to the other upon a force to close the gap and contact the other component to form a load path for the force. The load path is a secondary load path that bypasses the bearing races, preventing excessive plastic deformation of the races. The apparatus is configured with at least one feature to inhibit corrosion of the first and second components at the gap. The feature may be an extension of the second component that localizes the gap to just a portion of the second component. Alternatively, coatings, shims, lubricants, and seals may be used alone or in combination to prevent corrosion at the gap. | 10-06-2011 |
| 20120308171 | BI-DIRECTIONAL TAPERED ROLLER BEARING ASSEMBLY WITH IMPROVED WEAR RESISTANCE - The wear resistance of a bi-directional tapered roller bearing is improved by applying a tribological coating to both the small and large end faces of the roller and to at least one of the rib faces of the bearing assembly. | 12-06-2012 |
| 384466000 |
Jet, baffle or valve | 1 |
| 20120114278 | ROLLING BEARING, PARTICULARLY SINGLE-ROW DEEP GROOVE BALL BEARING FOR A DUAL MASS FLYWHEEL IN A MOTOR VEHICLE - A single-row deep groove ball bearing made substantially of an inner ring and an outer ring disposed coaxially thereto and balls disposed between the rings. The balls roll in deep groove tracks in an outer face of the inner ring and in an inner face of the outer ring, and the balls are held at equal distances to each other in the circumferential direction by a housing. The interior of the bearing is sealed by two circular ring-shaped seals axially opposite each other. At least one of the seals is a lip seal, which has an angular profile. A shape-stable radial seal leg of the seal is attached to the outer ring and forms a gap seal with an axial side of the inner ring, and a sealing lip, which is an overpressure valve, is disposed under the inner ring and slidingly contacts the inner face of the inner ring. | 05-10-2012 |
| Entries |
| Document | Title | Date |
|---|
| 20080219610 | Waterproof Grease Composition and Wheel-Supporting Roller Bearing - The waterproof grease composition of the present application comprises a base oil that comprises at least one of mineral oil and synthetic oil and having a kinematic viscosity of from 10 to 400 mm | 09-11-2008 |
| 20090060405 | High speed bearing system with bind-free axial displacement - A rotary bearing system that supports a shaft for rotating machinery in a housing comprises: at least one stationary rotary bearing mounted in the housing for supporting a respective journal of the shaft in a desired axial and radial alignment; at least one slidable rotary bearing, with an outer surface mounted within a respective inner support surface of the housing to form a respective linear bearing such that each slidable bearing may slide axially along the inner support surface of the housing, for supporting another respective journal of the shaft with the desired radial alignment; and at least one layer of a crystalline material that exhibits a high degree of basal cleavage bonded to at least one of the linear bearing surfaces; wherein each layer of crystalline material allows each slidable rotary bearing to slide axially along each respective linear bearing to compensate for differences in the coefficient of expansion of the housing and the shaft so as to prevent the bearing system from binding due to extreme environmental conditions. | 03-05-2009 |
| 20090103844 | Rolling Bearing - To provide a rolling bearing assembly, in which a grease filled within the bearing assembly is utilized to achieve a high speed feature, a long life and a maintenance-free and a lubricant oil can be stably supplied from a minute gap, a stepped face continued from the raceway surface is provided in a stationary raceway ring unit of an inner and outer ring units in a direction away from rolling elements. A gap forming piece having a free end confronting the stepped face is provided to define therebetween a flow passage and a grease reservoir communicated with the flow passage. The rolling bearing assembly is so designed that a heat cycle can be induced in the grease reservoir and, base oil of the grease can be urged to flow out from the gap by the effect of a pressure variation caused by the temperature rise. | 04-23-2009 |
| 20090129713 | Angular Contact Ball Bearing and Joint Assembly for a Robotic Arm - It is aimed to increase the rigidity of an angular contact ball bearing of the type in which each ball contacts at least one of the raceways at two points, improve the lubricating environment of the balls, reduce the weight of the bearing while maintaining wear resistance and rigidity of the balls, reduce the weight of the bearing while maintaining wear resistance of the balls, improve the radial rigidity and axial rigidity of the bearing in a balanced manner, or to supply a sufficient amount of lubricating oil into an internal area between the two contact points between each ball and the raceway. | 05-21-2009 |
| 20090136170 | Water-Resistant Grease and Water-Resistant-Grease-Enclosed Rolling Bearing and Hub - The present invention provides water-resistant grease which improves the resistance to peeling which occurs from the surface of a bearing composed of carbon steel for machine structural use or the like even in a strict lubricating condition in which water may penetrate into the water-resistant grease during the operation of the bearing, and a rolling bearing and a hub bearing which use the water-resistant grease and have a long life. The water-resistant grease is composed of non-water-based base oil, a thickener, and a water dispersant used as an additive. The saturated amount of water dispersible in the water-resistant grease is 30 to 60 wt %. The water dispersant capable of dispersing the water in the water-resistant grease is a surface active agent. The non-water-based base oil is mineral oil. The thickener is a urea-based compound. The present invention also provides a rolling bearing and a hub bearing in which the water-resistant grease is enclosed. | 05-28-2009 |
| 20090148087 | Rolling bearing and rolling bearing assembly - There is provided a rolling bearing including an inner ring having an inner ring raceway surface, an outer ring having an outer ring raceway surface and a shoulder portion formed on one axial side of the outer ring raceway surface, a plurality of rolling elements which roll between the inner ring raceway surface and the outer ring raceway surface, and a cage adapted to hold the plurality of rolling elements at predetermined intervals in a circumferential direction and having a guided surface which confronts the shoulder portion of the outer ring in such a manner as to be brought into sliding contact therewith. The rotation of the cage is guided through sliding contact of the guided surface of the cage with a guiding surface of the shoulder portion of the outer ring. A guiding space which is a radial space between the guiding surface of the shoulder portion of the outer ring and the guided surface of the cage is made to increase as approaching the rolling elements. | 06-11-2009 |
| 20090169146 | CELLULAR ENCASEMENT PROTECTION SYSTEM FOR ROLLER ASSEMBLY - A roller assembly having a roller tube, a fixed shaft inside the roller tube, a bearing mounted on the shaft, an inner casing mounted on the bearing and rotatable with respect to the shaft, an outer casing fixedly mounted on the shaft, a shield cap mounted on the inner casing, and a seal member mounted between the roller tube, the shield cap and the inner casing for sealing the roller assembly. Facing walls of the inner casing and outer casing define inner cells and a first labyrinth path for reducing migration of contaminants through the inner cells. Facing walls of the outer casing and shield cap define outer cells and a second labyrinth path for reducing migration of contaminants through the outer cells. The facing walls of the outer casing and shield cap are provided with gel for further reducing migration of contaminants through the outer cells. | 07-02-2009 |
| 20090279824 | GREASE-ENCLOSED BEARING FOR INVERTER-DRIVING MOTOR - The present invention provides a grease-enclosed bearing, for an inverter-driving motor, which is inexpensive and capable of effectively restraining damage from being generated by electrolytic corrosion. The grease-enclosed bearing for the inverter-driving motor has an inner ring ( | 11-12-2009 |
| 20100092118 | GREASE COMPOSITION AND GREASE-ENCLOSED BEARING - The present invention provides a grease composition capable of effectively preventing a rolling surface of a grease-enclosed bearing from having hydrogen brittleness-caused peeling and the grease-enclosed bearing. The grease composition includes a base grease consisting of a base oil and a thickener and an additive added to the base grease. The additive contains at least an epoxy compound. A mixing ratio of the epoxy compound to 100 parts by weight of the base grease is set to 0.05 to 10 parts by weight. The grease-enclosed bearing using the grease composition includes an inner ring ( | 04-15-2010 |
| 20100119184 | Travel Assembly - A travel assembly is provided with a cylindrical spindle for being fixed on a body of a working vehicle, a rotary shaft arranged extending in an axial direction through the spindle and rotationally drivable by a driving source, a rim rotatably arranged on a side of an outer periphery of the spindle to permit mounting of a wheel thereon, a planetary gear reduction mechanism for transmitting rotation of the rotary shaft to the rim at a reduced speed, a bearing rotatably supporting the rotary shaft via a sleeve integrally fitted on the rotary shaft, and a retainer holding the bearing in place. A lube oil pipe for feeding lube oil to the rotary shaft is held in place by the retainer. The lube oil pipe branches within the retainer to form an oil passage. The oil passage has an opening through which the lube oil can be fed to rolling elements in the bearing. | 05-13-2010 |
| 20100142872 | RESIN COMPOSITION FOR SLIDING MEMBER AND ROLLING BEARING - A resin composition for a sliding member is difficult to peel and whose component is difficult to elute when the resin composition is formed as a film on a surface of a mechanical part, even though the resin composition is used in environment where the sliding member contacts lubricating oil containing a sulfur-based additive or in atmosphere containing a sulfur-based compound. A resin composition for a sliding member to be used for a mechanical part having a surface thereof formed of said sliding member. The resin composition contains polyamide-imide resin having an elongation percentage of 60% to 120%, fullerene, and at least one disulfide selected from among molybdenum disulfide and tungsten disulfide. 0.1 to 10 vol % of the fullerene and 0.5 to 20 vol % of the disulfide are contained in an entirety of the resin composition. | 06-10-2010 |
| 20100166352 | BEARING APPARATUS - A bearing apparatus includes a rolling bearing ( | 07-01-2010 |
| 20100195946 | COATED BEARING - The invention concerns a bearing assembly comprising an inner ring, an outer ring and rolling elements, the inner ring and outer ring being rotatably coupled by means of the rolling elements. The rolling elements are disposed on opposing raceways within a bearing cavity and are retained in a cage. The bearing is provided with a lubricant and further comprises at least one sealing element, mounted in an annular gap between the inner and outer ring. To prevent the lubricant adhering to predetermined surfaces within the bearing cavity which do not require lubrication, at least one of these predetermined surfaces is provided with an oleophobic coating. One advantage of the invention is that the lubricant ages less quickly, leading to improved bearing service life. | 08-05-2010 |
| 20100247012 | Bearing Apparatus Featuring Electrorheological Fluid Lubrication - The present invention, as variously practiced, implements electrorheological fluid (ERF) as a bearing lubricant. Various modes of an inventive rolling element bearing apparatus provide for electrification of inventive electrode components, viz: (first mode) two annular disk electrodes, opposite each other and perpendicular to the two raceway surfaces; or, (second mode) electrically conductive inner and outer races, having an electrically conductive spacer therebetween; or, (third mode) plural electrodes, radially embedded in a race. An ERF lubricative coating remains on one or both raceway surfaces in accordance with Winslow effect principle (first and second modes) or edge effect principle (third mode). An inventive journal bearing apparatus provides for electrification of electrodes that are axially-longitudinally embedded in a journal bearing member, resulting in establishment of edge effect electric flux lines between adjacent electrode pairs, an ERF lubricative coating thereby remaining on the journal bearing member's inward facing surface, contiguous to the shaft. | 09-30-2010 |
| 20100266231 | ROLLING BEARING FOR ALTERNATOR - The object is to sufficiently suppress heat-up of a rolling bearing for an alternator, prevent deterioration of lubricating grease due to heat-up of the rolling bearing, and to extend the lubricating life of the rolling bearing. | 10-21-2010 |
| 20110002567 | BEARING DEVICE FOR DRIVING WHEEL - A driving-wheel bearing device includes: an outer race ( | 01-06-2011 |
| 20110026865 | Bearing Assembly - A bearing assembly includes at least one outer ring and an inner ring unit having at least two inner rings, each having a central bore. A supporting element extends through the central bores. Roller bodies are rotatably disposed between the at least one outer ring and each of the inner rings. Radially-outer bores extend through the inner ring unit or the supporting element in the axial direction and each receives a screw or bolt for affixing the bearing assembly on a bearing carrier. The radially-outer bores are spaced from the symmetry axis of the bearing assembly. At least one lubrication conduit is defined on or in at least one of the inner rings and is configured to communicate liquid lubricant to the roller bodies. | 02-03-2011 |
| 20110064344 | BEARING LUBRICATING STRUCTURE FOR ROTATING SHAFT - A bearing lubricating structure for a rotating shaft includes: a pair of bearings that are disposed spaced-apart in an axial direction within a support case, for rotatably supporting the predetermined rotating shaft around an axis thereof; and an oil supply port that is disposed on the support case, for supplying lubricating oil for lubricating the pair of bearings to between the pair of bearings, between the pair of bearings and between the oil supply port and the rotating shaft, a separator being disposed in the axial direction, for receiving the lubricating oil supplied from the oil supply port to prevent the lubricating oil from directly adhering to the rotating shaft, the separator being integrally fixed to the support case, and the separator having at its axially opposite ends thereof a pair of sidewalls confronting the pair of bearings and projecting from the opposite ends toward an inner circumferential surface of the support case to be in intimate contact with the inner circumferential surface, and the pair of sidewalls each including a communication hole that permits the lubricating oil supplied from the oil supply port to flow toward the pair of bearings at a predetermined flow rate. | 03-17-2011 |
| 20110085753 | AUXILIARY BEARING SYSTEM WITH OIL RING FOR MAGNETICALLY SUPPORTED ROTOR SYSTEM - An auxiliary bearing system having a sleeve through which a shaft extends. A gap may be defined between the sleeve and the shaft when a primary bearing system supports the shaft, and the sleeve may engage and rotate with the shaft when the primary bearing system does not support the shaft. An oil ring may extend circumferentially around the sleeve and rotate in response to the rotating sleeve when the sleeve engages and rotates with the shaft. The rotating oil ring may distribute lubricant within the auxiliary bearing system. | 04-14-2011 |
| 20110182537 | DRIVE UNIT OF A TRANSMISSION - A drive unit of a transmission includes, but is not limited to a main shaft. The main shaft includes, but is not limited to a bore formed along its center axis for the transport of lubricating oil. An oil transport line is provided via which a roller bearing arranged on an end section of the main shaft is at least indirectly connected to the bore. | 07-28-2011 |
| 20110200282 | VEHICLE DRIVE UNIT FOR DUMP TRUCK - A wheel drive motor ( | 08-18-2011 |
| 20110255815 | DEVICE FOR ROTATABLY COUPLING TWO COAXIAL CONNECTING ELEMENTS - The invention is directed to a device for rotatably coupling two coaxial connecting elements, at least one of which is configured as a circular ring, and each of which has at least one annular surface that faces the corresponding surface of the respective other connecting element but is spaced apart therefrom by a gap, such that they are rotatable in opposite directions about an imaginary axis (axis of rotation) at the center of the annular connecting element and approximately perpendicular to the ring plane, wherein disposed in the gap between the two connecting elements is a rotary joint, configured as a single- or multi-row rolling bearing, for absorbing axial and radial loads and tilting moments, wherein at least one annular connecting element comprises, on its surface facing the gap, a continuously circumferential, planar shoulder having an oblong or elongated cross section and extending away from the gap to a freely terminating, peripheral circumferential edge. | 10-20-2011 |
| 20120039554 | Housing With A Direct Flow Path For Hardware Lubrication - The present invention provides a housing that encloses a bearing. The housing includes a side wall upon which a lubricant is dispersed. The side wall has a sloped portion and a collection area is fluidly associated with the side wall. A fluid circuit is integral with the side wall such that the fluid circuit is configured to direct the lubricant into the collection area. | 02-16-2012 |
| 20120163744 | ZIRCONIA-ALUMINA CERAMIC MATERIALS - The present invention provides a ceramic material comprising: a first phase comprising zirconia, yttrium and cerium, wherein the yttrium and cerium are present in a molar ratio of 0.15 to 0.5 and in a combined amount of 5 to 15 mol %, a second phase comprising alumina, and a third phase comprising metal aluminate platelets. | 06-28-2012 |
| 20120170883 | Apparatus and Method for Controlled Release of Lubricant Additives in Bearing and Gear Assemblies - A structure ( | 07-05-2012 |
| 20120177313 | SEAL CLEANING AND LUBRICATING BEARING ASSEMBLY FOR A ROTATING FLOW DIVERTER - A rotating flow diverter has a lubricated sealed bearing assembly for isolating bearing elements from wellbore fluids under pressure. The sealed bearing assembly is supported between an outer bearing housing and an axially rotatable quill. The bearing assembly further has bearing elements with a bearing lubricant under pressure and a seal assembly. The seal assembly has at least one sealing element which comprises a body, the body having an outer peripheral wall, an inner sealing surface having a plurality of sealing lips and an annular cavity, and a loading ring for compressionally fitting within the annular cavity to urge the sealing surface radially inwardly for sealing engagement with tubulars. | 07-12-2012 |
| 20120213460 | DRIVE UNIT FOR MOTOR VEHICLES HAVING AN ELECTRICAL MOTOR - A drive unit for motor vehicles having which has at least one electrical motor and at least one transmission assembly. The electrical motor and the transmission assembly are operatively connected to one another by at least one shaft and the shaft is rotatably mounted by at least one first rolling bearing which sits in a rotary union for the shaft in the transmission assembly. | 08-23-2012 |
| 20120269472 | ROLLING BEARING - There is provided a rolling bearing which inhibits spalling of a rolling element and has a long service life even under rigorous environments. The rolling bearing comprises grease for lubricating rolling contact parts and/or sliding contact parts between a first raceway surface and a rolling elements and/or between a second raceway surface and a rolling elements, wherein the grease comprises a base oil, a thickener and an extreme pressure additive, the thickener is a diurea compound obtained by allowing an amine mixture comprising alkylphenylamine, alkyl group of which has 8 to 16 carbon atoms, and cyclohexylamine, to react with a diisocyanate compound, an amount of cyclohexylamine in the total amount of the alkylphenylamine and cyclohexylamine is from 91 to 99% by mole, and a reaction temperature of the extreme pressure additive with iron is 260° C. or lower. | 10-25-2012 |
| 20120275735 | ROLLING BEARING - A rolling bearing is provided. The rolling bearing includes an inner ring, an outer ring, a plurality of rolling elements disposed in a space between the inner ring and the outer ring, and a grease composition enclosed in the space. The grease composition including (A) a lithium soap thickener, (B) a base oil which is an ester synthetic oil obtained by an esterification reaction of trimethylolpropane with a fatty acid; and (C) (c-1) a 1-naphthylamine antioxidant and (c-2) a diphenylamine antioxidant, a total amount of (c-1) and (c-2) ranging from 1.0 to 10 mass % based on an entire amount of the grease composition, and a blending ratio of (c-1) and (c-2) ranging from 30:70 to 70:30 in terms of mass ratio. | 11-01-2012 |
| 20120275736 | BEARING ASSEMBLY - A bearing assembly has a bearing chamber, an inner mandrel having a first load bearing shoulder and an outer housing having an second load bearing shoulder. The first and second load bearing shoulders are opposed and are within the bearing chamber. Seals retain a bearing lubricant within the bearing chamber. A cylindrical stack of bearings are positioned between the first and second load bearing shoulders. Each row of bearings has an inner race supporting the first load bearing shoulder and an outer race supporting the second load bearing shoulder. The bearing assembly may be incorporated into a downhole tool. The downhole tool may continue to be operated after the seals fail by flowing a working fluid through the bearings. | 11-01-2012 |
| 20120314984 | ROLLING BEARING - A rolling bearing used in a power transmission device for transmitting power such as turning force, includes a magnet for holding in a lubrication portion of the rolling bearing. A lubricating magnetic fluid for lubricating the lubrication portion is provided on at least one side of an outer race of the rolling bearing, and an annular yoke made of a magnetic material loosely fitted to a rotating shaft is provided on the opposite side of said magnet relative to said outer race. | 12-13-2012 |
| 20120321233 | TWO-PIECE RETAINER AND TWO-PIECE ROLLER BEARING - An object of the present invention is to prevent loss of oil film and improve lubrication performance of the bearing by eliminating angled portions at butting surfaces in a two-piece retainer. A two-piece retainer is made by assembling a pair of semi-annular retainer parts into an annular structure. As assembled, lubricant reservoir grooves are formed, each by two arc-shaped groove wall surfaces which are formed on both sides of the butting surface, and by a groove bottom which is formed at a region including the butting surface. | 12-20-2012 |
| 20120321234 | CONICAL BEARING - In a cage, parallel portions are formed that face a raceway surface of a inner ring in a radial direction and that extend in an axial direction from a small diameter side of a tapered raceway surface toward a side of a large flange part. Grooves extending in the axial direction are formed on inner surfaces of the parallel portions. Between the tapered raceway surface of the inner ring and the inner surfaces of the parallel portions, gaps are formed that allow gear oil to be retained in the grooves through agency of surface tension of the gear oil when the cage is stationary relative to the inner ring. | 12-20-2012 |
| 20130016936 | DUAL MODEL SCAVENGE SCOOP - A system for removing oil from a bearing compartment has a port connected to an end wall of the compartment through which the oil exits the compartment, a scavenge scoop connected to the port for collecting the oil, and a separation device connected to the scavenge scoop for creating an oil collection region. | 01-17-2013 |
| 20130016937 | ROLLING BEARINGAANM Tsutsui; HideyukiAACI MieAACO JPAAGP Tsutsui; Hideyuki Mie JPAANM Oohira; KouyaAACI MieAACO JPAAGP Oohira; Kouya Mie JPAANM Ito; NaokoAACI MieAACO JPAAGP Ito; Naoko Mie JP - The present invention provides a rolling bearing in which the peeling resistances of a DLC film formed on raceway of inner and outer rings and a sliding surface of a cage are improved to allow the intrinsic properties of the DLC film to be displayed so that the rolling bearing is excellent in its resistance to seizing, wear, and corrosion. A rolling bearing ( | 01-17-2013 |
| 20130094792 | DEVICE FOR SUPPLYING A FLUID INTO A ROLLING CHAMBER OF A ROLLING-ELEMENT BEARING - A rolling-element bearing assembly includes a device for supplying a fluid into a rolling chamber of a rolling-element bearing. The device includes a fluid supply ring disposed in the axial direction lateral to the rolling-element bearing, and at least one fluid conduit for conveying the fluid from the fluid supply ring into the rolling chamber. One end of the conduit protrudes into the rolling chamber so as to be disposed axially between a rotation-induced air cushion and the rolling elements and/or a raceway surface of the rolling element bearing. | 04-18-2013 |
| 20130170777 | GREASE COMPOSITION AND ROLLING BEARING - The present invention provides a grease composition having an excellent fretting wear resistance in a wide temperature region from low to high temperatures and particularly even at low temperatures and a rolling bearing in which the grease composition is packed. A grease composition ( | 07-04-2013 |
| 20130182983 | BEARING ADJUSTER ASSEMBLY - A bearing adjuster assembly is provided. The bearing adjuster assembly may have a housing, a bearing, an adjuster ring, a retainer ring, and a seal assembly. The adjuster ring exerts a force upon the bearing. The retainer ring inhibits rotation of the adjuster ring. The seal assembly inhibits movement of the retainer ring. | 07-18-2013 |
| 20130195391 | BEARING AND SHAFT WHEEL ASSEMBLY BALANCING TECHNIQUES AND EQUIPMENT FOR TURBOCHARGERS - An exemplary clamp for clamping a bearing cartridge and shaft subassembly of a turbocharger includes an upper portion, a lower portion where the upper portion and the lower portion form a bore having a bore diameter sized to clamp a bearing cartridge and a fluid passage defined in part by the upper portion, the lower portion or the upper portion and the lower portion where the fluid passage includes an opening to the bore. Various other exemplary devices, systems, methods, etc., are also disclosed. | 08-01-2013 |
| 20130301969 | METHOD FOR PRODUCING BEARING RING, BEARING RING, AND ROLLING BEARING - A method for producing a bearing ring of a rolling bearing includes the steps of: preparing a formed body constituted of hypereutectoid steel; forming an annular heated region heated to a temperature of at least an A | 11-14-2013 |
| 20130315520 | BEARING AND METHOD OF INHIBITING CRACK PROPAGATION IN A BEARING COMPONENT - The present invention relates a bearing comprising a liquid lubricant and at least one ceramic component ( | 11-28-2013 |
| 20130322802 | BALL BEARING AND HYBRID VEHICLE TRANSMISSION - A ball bearing includes an inner ring having a raceway surface, an outer ring having a raceway surface, a plurality of rolling elements rollably disposed between the raceway surface of the inner ring and the raceway surfaces of the outer ring, and a resin cage configured to retain the plurality of rolling elements between the inner ring and the outer ring. The cage is a crown type cage having an annular base portion and a plurality of pockets formed in an axial end face of the annular base portion, in which the pockets retain the rolling elements. An axial distance between an axial position of a center of gravity of the cage and a curvature center of a spherical or cylindrical inner surface of each of the pockets is 0.6 or more times a radius of curvature of the inner surface. A hybrid vehicle transmission has this ball bearing. | 12-05-2013 |
| 20130343685 | ROLLING BEARING WITH A LATERAL FILLING OPENING - The invention concerns a rolling bearing ( | 12-26-2013 |
| 20140193110 | Grease Composition and Wheel Supporting Rolling Bearing Unit Having Grease Composition Packed Therein - There is provided a grease composition decreasing the load sensitivity to a running torque, maintaining necessary performances for a wheel supporting rolling bearing unit, and maintaining a good lubricated condition for a long time, and, a wheel supporting rolling bearing unit having the grease composition packed therein. The grease composition contains base oil, thickeners, rust inhibitors, and anti-wear agents, the base oil contains mineral oil, synthetic oil or blend oil of the mineral oil and the synthetic oil, a mix ratio (mass ratio) of the mineral oil and the synthetic oil is 0:100 to 20:80, a kinematic viscosity of the base oil at a temperature of 40° C. is 70 to 150 mm | 07-10-2014 |
| 20140199009 | GREASE COMPOSITION AND ROLLING DEVICE - The present invention relates to: a grease composition that includes a base oil which has a pressure-viscosity coefficient as measured at 40° C. of 33 GPa | 07-17-2014 |
| 20140205226 | ROLLING DEVICE - The rolling device of the present invention is a rolling device that is equipped with an inner ring, an outer ring, and a plurality of rolling elements disposed between the inner ring and the outer ring so as to freely roll, and that is packed with a lubricant composition containing a gelling agent in which a difference between a worked consistency and an unworked consistency is 40-130, and this rolling device has low-torque characteristics, is excellent in terms of recovery property and heat resistance, is free from lubricant leakage, and has a long life. | 07-24-2014 |
| 20140219595 | HARD FILM, HARD FILM FORMED BODY, AND ROLLING BEARING - The present invention provides a hard film which has high wear resistance and excellent peeling resistance and can be prevented from peeling off a base material over a long period of time and a hard film formed body on which the hard film is formed. A hard film ( | 08-07-2014 |
| 20140254968 | GREASE COMPOSITION FOR ROLLING BEARING AND ROLLING BEARING - The present invention provides: a grease composition for rolling bearings which includes a base oil and a diurea compound incorporated therein as a thickener, the base oil including at least one oil selected from trimethylolpropane fatty acid ester oils and pentaerythritol fatty acid esters or a mixed oil which includes the at least one oil and another lubricating oil and having a kinematic viscosity at 40° C. of 19-35 mm | 09-11-2014 |
| 20140270613 | RADIAL ROLLER BEARING, ROTARY MACHINE INCLUDING RADIAL ROLLER BEARING, AND METHOD FOR DESIGNING RADIAL ROLLER BEARING - The properties of a lubricating oil are utilized to avoid excessive quality in terms of the circularity of roller members while reducing the noise from a radial roller bearing alone during rotation and thereby reducing the noise from a rotary machine. A radial roller bearing includes an outer ring member ( | 09-18-2014 |
| 20140334756 | BEARING ASSEMBLY - A bearing assembly includes two tapered roller bearings having inner and outer rings and tapered rollers therebetween. The inner rings are mounted to a first machine part, and the outer rings are mounted on an adapter sleeve on a second machine part. The adapter sleeve has a first end axially fixed relative to the second machine part and a second end axially spaced from an axial stop of the second machine part by an axial gap. At a non-operating temperature, such as 20° C., the gap has a width of about 30 μm to 250 μm, and at an operating temperature of over 50° C. the gap disappears and the second end contacts the axial stop. The width of the gap at the non-operating temperature is selected to produce a predetermined preload on the bearing assembly at the operating temperature. | 11-13-2014 |
| 20140355919 | Oil-mist-free and high-speed electric spindle - An oil-mist-free and high-speed electric spindle is provided by the present invention, which is capable of avoiding an environmental pollution caused by oil mist, avoiding harming the physical health of an employee, and saving energy. The oil-mist-free and high-speed electric spindle of the present invention includes a shell, a stator and a rotator. Using a bearing provided on a bearing providing position of the shell, the stator and the rotor are separated by a gap and freely rotatably supported on the shell. A labyrinth sealing structure, which covers the bearing providing position, is provided on an outside of the bearing providing position. The labyrinth sealing structure has a channel which opens to an atmosphere. And a through-hole is provided on the shell, wherein one end of the through-hole opens to the shelter, and the other end of the through-hole is connected with the channel of the labyrinth sealing structure. And the bearing providing position is filled with a lubricating grease which is a total synthesis grease of polyurea that is mainly composed of a base oil and contains a nanometer anti-wear additive. Popularizing the electric spindle of the present invention is expected to save approximately 3 billion kilowatt-hours of electricity and over 60 thousand tons of high quality lubricating grease per year. | 12-04-2014 |
| 20140355920 | BEARING ASSEMBLY - A bearing assembly includes at least one outer ring and an inner ring unit including first and second inner rings, the inner ring unit having a central, axial bore extending through the first and second inner rings, and a plurality of attachment bores for attaching the bearing assembly to a bearing carrier. A first plurality of roller bodies is disposed between the at least one outer ring and the first inner ring and a second plurality of roller bodies is disposed between the at least one outer ring and the second inner ring. A pin extends through the central axial bore of the first inner ring and through the central axial bore of the second inner ring, and the pin maintains a predetermined preload on the bearing assembly by holding the first inner ring in a fixed position relative to the second inner ring. | 12-04-2014 |
| 20140363112 | ROLLING BEARING - Retained austenite amounts of surface layer parts of an inner ring and an outer ring are set at more than 0% by volume. A ball (rolling element) is obtained by processing a raw material including alloy steel in which an Si content is 0.3 to 2.2% by weight and an Mn content is 0.3 to 2.0% by weight and Si/Mn is 5 or less (by mass) and then performing thermal treatment including carbonitriding or nitriding. Si.Mn nitride including nitride of silicon (Si) and nitride of manganese (Mn) is present in a rolling surface of the ball in a range of 1.0 to 20.0% by area. An N content of a surface layer part of the ball is 0.2 to 2.0% by weight, and a retained austenite amount is 0 (exclusive) to 50% (inclusive) by volume and the following formula (1) is satisfied. | 12-11-2014 |
| 20150023622 | GREASE COMPOSITION AND ROLLING DEVICE - A grease composition which is excellent in seizure resistance can be provided without deteriorating resistance to stirring, in the rolling device, and a rolling device in which the grease composition intervenes to a predetermined portion can be also provided by use of a grease composition comprising a base oil, a thickener and an amine antioxidant, the thickener being a diurea compound obtained by allowing an amine mixture comprising alkylphenylamine, an alkyl group of which has 8 to 16 carbon atoms, and cyclohexylamine, to react with a diisocyanate compound, the amount of cyclohexylamine in the amine mixture being 91 to 99% by mole, and the amount of the amine antioxidant in the grease composition being 21% by mass or more. | 01-22-2015 |
| 20150030272 | METHOD FOR OPERATING A ROLLER BEARING ASSEMBLY, AND ROLLER BEARING DEVICE THEREFOR - A roller bearing device ( | 01-29-2015 |
| 20150030273 | ROLLING BEARING ASSEMBLY - A rolling bearing assembly, comprising at least a rolling bearing outer ring ( | 01-29-2015 |
| 20150086146 | HIGH SPEED BALL BEARING FOR DENTAL OR MEDICAL HANDPIECES - A bearing assembly for use in a medical, surgical, or dental handpiece that enables spindle rotation for a supported rotary tool at high speeds. The bearing assembly incorporates annular gap shields at each axial end to prevent contaminate ingress and to retain lubricating grease within the bearing assembly to avoid re-lubrication after each use or sterilization cycle. | 03-26-2015 |
| 20150139580 | BOTTOM BRACKET ASSEMBLY FOR LOW-SPEED ROTATION - A bottom bracket assembly for low-speed rotation is formed of a main body having an axial hole running therethrough, a spindle inserted into the axial hole, and a pivotal assembly having a self-lubricating bearing, a bushing, and a ball valve, each of which is made of a self-lubricating material. The self-lubricating bearing is sleeved onto the spindle and located at one end of the axial hole. The ball valve includes a through hole running through an axis thereof and sleeved onto one end of the spindle relative to the self-lubricating bearing. The external diameter of the bushing is smaller than the internal diameter of the axial hole. The bushing includes a spherical bushing aperture for engagement with the ball valve to make the bushing deflected on the center of the ball valve and thus the rotation of the spindle remains stable and smooth. | 05-21-2015 |
| 20150299611 | GREASE COMPOSITION AND ROLLING BEARING - A grease composition containing base oil, a thickener, and an additive, wherein said additive contains at least one kind selected from among a phosphite ester shown by a chemical formula (1) or a phosphite ester shown by a chemical formula (2); a content of said phosphite ester is 0.5 to 4 parts by weight for 100 parts by weight which is a total of an amount of said base oil and that of said thickener; and said additive contains neither phosphite esters other than said phosphite ester shown by said formula (1) or by said formula (2) nor phosphate esters having organic groups whose carbon number is not less than three: | 10-22-2015 |
| 20150307805 | GREASE-ENCLOSED BEARING - A grease-enclosed bearing having enclosed therein a grease composition containing a thickener which is a diurea compound represented by Formula (1) or a mixture thereof, and a base oil containing an alkyldiphenyl ether oil and a poly-α-olefin oil as an optional component in a mass ratio of alkyldiphenyl ether oil:poly-α-olefin oil=from 40:60 to 100:0: | 10-29-2015 |
| 20150330451 | ROLLING BEARING AND GREASE COMPOSITION USED THEREIN - A rolling bearing including a plurality of rolling elements rollably provided between an inner ring and an outer ring and having enclosed therein a grease composition obtained by adding three kinds of antirust agents which are a carboxylic acid-based antirust agent, a carboxylate-based antirust agent and an amine-based antirust agent, to a base oil which contains at least one kind of a mineral oil and a synthetic oil and has a kinematic viscosity of 200 to 400 mm | 11-19-2015 |
| 20150330453 | Fluid Seal for a Rotating Assembly - A fluid seal for sealing a gap region for rolling elements rotationally connecting a shaft and an outer structure of a rotating assembly. In embodiments described, the fluid seal includes an inner capillary seal and an outer capillary seal radially and axially spaced from the inner capillary seal. The inner and outer capillary seals are formed along a passageway having an axial portion and a radial portion formed along capillary surfaces of a fluid seal structure and opposed transverse and upright surfaces. In embodiments disclosed, the fluid seal structure includes a seal ring and cap or a seal plate structure. In another embodiment, a flange portion of the shaft forms the fluid seal structure. | 11-19-2015 |
| 20150354633 | ROLLING BEARING AND ITS PACKAGING METHOD - To provide a rolling bearing in which a favorable antirust performance can be obtained while reducing an amount of antirust oil than before, after removing chloride ions and sulfate ions from the entire surface of the bearing, antirust oil is provided to adhere thereto at an average film thickness of 4.5 μm to 10 μm, and the entire bearing is covered with a volatile corrosion inhibitor film such that a space between the volatile corrosion inhibitor film and the bearing is kept in a pressure-reduced condition. | 12-10-2015 |
| 20160061264 | BEARING - A rolling element bearing comprising inner and outer rings; a plurality of rolling elements disposed between opposing surfaces of the inner and outer rings; and a bearing shield comprising a first member having an annular surface facing the plurality of rolling elements, the first member either (1) extending from the inner ring towards the outer ring (defining a gap between the first member and the outer ring) and the inner ring having a low surface energy surface adjacent the gap, or (2) extending from the outer ring towards the inner ring (defining a gap between the first member and the inner ring) and the inner ring comprises a low energy surface adjacent the gap. The low energy surfaces each have a surface energy of ≦0.028 N/m. | 03-03-2016 |
| 20160115943 | OIL DISCHARGING SYSTEM FOR MAIN SHAFT BEARING OF WIND TURBINE GENERATOR - The present invention provides an oil discharging system for a main shaft bearing of a wind turbine generator, including: a main shaft bearing, a bearing seal, a bearing end cover, a waste oil through hole, at least one thumb wheel; the bearing seal is sleeved to an end of the main shaft bearing, the bearing end cover is engaged with the bearing seal to encircle the outside of the bearing seal; the waste oil through hole is provided on the bearing end cover; the at least one thumb wheel is provided on the bearing seal, enables the waste oil been discharged from the waste oil through hole after the thumb wheel acts upon. Since the thumb wheel rotates with the main shaft bearing, so that the waste oil discharge from the waste oil through hole effectively, thus pollutions to the wind turbine generator and surroundings thereof are reduced. | 04-28-2016 |
| 20160138654 | FLOATING WIND TURBINE BEARING SEAL WITH ENHANCED PROFILE - A bearing seal assembly is provided for sealing a sealing gap defined by a first race and a second race of a bearing. The bearing seal assembly includes a resilient seal having a cross-sectional profile, wherein the profile defines a flexing portion, and the resilient seal further has a first pressure-bearing side and a second side opposite the first pressure-bearing side. The flexing portion is configured to flex to form an energized seal that seals the sealing gap when a pressure is applied to the first side of the resilient seal, wherein the cross-sectional profile is symmetric about a horizontal axis and asymmetric about a vertical axis. The cross-sectional profile specifically may be a K-shaped profile, and the flexing portion comprises arms defined by the K-shaped profile. The assembly may include a wear strip section positioned outside of the profile of the resilient seal, with a removable blast shield. | 05-19-2016 |
| 20160160923 | ROLLING BEARING - A rolling bearing that can prevent peeling on a surface of an iron-based metal member by hydrogen brittleness even under a severe environment is provided. The rolling bearing | 06-09-2016 |
| 20160169287 | ROLLING BEARING COMPRISING A SEALING FLANGE | 06-16-2016 |
| 20160201726 | ROLLING DEVICE | 07-14-2016 |
| 20160252134 | BEARING ASSEMBLY FOR A TURBOCHARGER, AND A METHOD FOR MANUFACTURING A BEARING ASSEMBLY FOR A TURBOCHARGER | 09-01-2016 |
