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| Number | Title | Issue Date |
| 7435006 | Pulley bearing for engine auxiliares A bearing in which the thickness of the bottom of at least one of the inner ring and the outer ring is 50% or more of the diameter of the balls. Further, the bearing includes an outer ring having an outer diameter of 65 mm or less and balls having a diameter of 4 mm... | 10/14/2008 |
| 7377695 | Integral duplex bearings for rotating x-ray anode An x-ray target assembly is provided comprising a drive shaft and an outer shaft housing element. A primary integral duplex bearing assembly is positioned between the outer shaft housing element and the drive shaft and comprises a primary fixed outer race and a prim... | 05/27/2008 |
| 7282006 | Power transmission device with thermally compensating bearing preload mechanism A power transmission device includes a housing, a differential assembly having a case and a bearing assembly rotatably supporting the case within the housing. A preload is applied to the bearing assembly along a load path. A shim is positioned in the load path with ... | 10/16/2007 |
| 7175560 | Thermally compensating bearing preload arrangement in axle assembly A power transmission device includes a housing, a differential assembly having a case and a bearing assembly rotatably supporting the case within the housing. A preload is applied to the bearing assembly along a load path. A shim is positioned in the load path with ... | 02/13/2007 |
| 7175350 | Thermally compensated bearing system A shaft rotates in a housing on two single row tapered roller bearings mounted in opposition such that the raceways of the one bearing taper downwardly toward the raceways of the other bearing. The metal from which the housing is formed has a higher coefficient of t... | 02/13/2007 |
| 7056027 | Bearing for a rotatable shaft subject to thermal expansion A bearing for rotatably supporting a cylindrical shaft within a frame cylindrical support surface in which the shaft is subject to thermal expansion, the bearing being formed of a tubular member having opposed ends and having an axial passageway therethrough, the ou... | 06/06/2006 |
| 7004007 | Die cushion apparatus for hot stretch-forming A self-contained die cushion assembly for use in a stretch-forming process involving heated tooling. A lower plate is mounted below an upper plate that undergoes different thermal expansion than the lower plate. Guidance devices are mounted between the upper and low... | 02/28/2006 |
| 7001075 | Bearing hub A bearing hub for a gas turbine engine comprises an inner annular member defining a bearing chamber and an outer annular member extending around the inner annular member. Each annular member defines an aperture to receive a conduit which can extend to the bearing ch... | 02/21/2006 |
| 6834999 | Fan apparatus for chamber of handler The present invention relates to a fan apparatus for a chamber of a handler which prevents the breakage of a bearing housing by a guide recess and a key slidable to the guide recess along the axis varied due to a thermal stress generated in the axial direction of th... | 12/28/2004 |
| 6817774 | Method and apparatus for automatically dynamically adjusting prestressed bearings of shaft Method and apparatus for automatically dynamically adjusting prestressed bearings of shaft are provided. The apparatus comprises a sleeve assembly having outer and inner sleeves sandwiched between the bearings. An inner diameter of outer sleeve is smaller than an ou... | 11/16/2004 |
| 6731456 | Fluid dynamic bearing thermal compensation A hub and shaft are provided which are mounted for relative rotation by providing two conical bearings spaced apart along the shaft, and a bearing seat facing each conical bearing. Fluid is maintained in the gap between each cone and the facing bearing seat, support... | 05/04/2004 |
| 6684482 | Method for producing an alternator assembly housing member An alternator assembly 10 having a pair of housing members 11, 12 which cooperatively contain a stator 24, rotor 18, and bearing 29. The housing member 12 includes an integrally formed bearing sleeve member 40 which receives the bearing 29 and allows the ... | 02/03/2004 |
| 6599022 | Bearing apparatus A bearing apparatus including inner and outer rings and balls interposed therebetween, the apparatus being characterized in that it comprises: a low expansion ring press fit around the outer periphery of the outer ring, wherein the low expansion ring is made o... | 07/29/2003 |
| 6575634 | Thermal compensation without creep in a hydrodynamic bearing A hydrodynamic bearing is provided comprising a shaft having a pair of spaced apart conical bearings supporting a surrounding sleeve for rotations. The sleeve comprises a single piece rather than the two-piece design separated by a rubber expansion joint ... | 06/10/2003 |
| 6513988 | Bearing device for a threaded spindle of a machine tool A bearing device for a threaded spindle has a bearing housing with at least one receptacle configured to receive a bearing part of the threaded spindle. The at least one receptacle is a clamping bushing securing the bearing part by electromechanical eleme... | 02/04/2003 |
| 6508619 | Expansion turbine for low-temperature applications An expansion turbine for low-temperature applications containing a turbine stage into which a cold gas is admitted. A turbine rotor is mounted on a shaft. Also provided is a roller support for the shaft being lubricated with a minimum amount of oil or gre... | 01/21/2003 |
| 6471409 | Vehicle bearing device A bearing device includes a pair of bearings. One of the bearings is exposed to a higher temperature condition than the other. Each of the bearings has an outer ring, an inner ring, a plurality of rolling members disposed in a space between the outer ring... | 10/29/2002 |
| 6467959 | EGR valve with self-temperature compensated bearing An EGR valve having a self-compensating bearing assembly for use with a valve member having a shaft reciprocable within a valve body, includes a rigid bearing member for providing radial support and axial guidance to the valve shaft as the shaft reciproca... | 10/22/2002 |
| 6416228 | Rolling contact bearing for supporting heated rolls A rolling-contact bearing for a shaft journal wherein the outside diameter of the shaft journal is thermally insulated relative to the shaft through which a heat transfer medium flows. The bore of the inner race on the shaft journal is provided with a cer... | 07/09/2002 |
| 6398418 | Shaft having thermal expansion, thermal pre-load yielding and dynamic pre-load adjusting systems A shaft having thermal expansion, thermal pre-load yielding and dynamic pre-load adjusting systems. The shaft is made by the zero expansion or very low expansion materials. The shaft has two bearing assemblies. Each bearing assembly has two parallel beari... | 06/04/2002 |
| 6390683 | Heat insulation sleeve and bearing device for fixing roller A heat insulation sleeve and a bearing device using the heat insulation sleeve capable of reducing generation of periodical or sudden noises generated in the periphery of a fixing device are described. A flange of the heat insulation sleeve does not break... | 05/21/2002 |
| 6382837 | Device and method for holding a drum in a printer or copier A device and a method for the holding of a drum in a printer or copier. A star-shaped spring intercepting the differing longitudinal expansions of photoconductor drum and a shaft is arranged between an outer ring bearing the drum and an inner ring.... | 05/07/2002 |
| 6307292 | Galvanometer with axial symmetry and improved bearing design A galvanometer unit comprises a limited-rotation motor, which has axial symmetry of the major motor components including axial placement of the bearings, stator drive coils, and stator back iron with respect to the magnetic center of the rotor, and which ... | 10/23/2001 |
| 6293704 | Shaft mounting with enhanced stability A shaft rotates within a housing on a double row tapered roller bearing and remains extremely stable at all temperatures, even though the housing is formed from a light weight metal having a significantly greater coefficient of thermal expansion than the ... | 09/25/2001 |
| 6273614 | Rolling and bearing comprising a temperature compensating insert A rolling-contact bearing having a termal compensation insert. The bearing includes a first ring with a first ball race, a second ring with the second ball race, and a row of rolling bodies which obliquely contact the ball races. A compensating insert is ... | 08/14/2001 |
| 6250815 | Temperature compensating carrier bearing assembly A vehicle transmission is provided having a housing that includes a support with an opening. The transmission also has a shaft with an axis of rotation and an end portion disposed within the support opening. A floating bearing assembly is arranged between... | 06/26/2001 |
| 6210043 | Float control for pillow block bearing A support assembly comprising an elongated shaft, a bearing assembly at opposite terminal ends of said shaft paralleled in a pillow block, support means for each of said pillow blocks and means mounting one of said bearing assemblies for adjustable axial ... | 04/03/2001 |
| 6206572 | Bearing device It is an object of the invention to provide a bearing device in which the bearing performance is not lowered even when the temperature is changed. In order to attain the object, the bearing device has a shaft and a sleeve. The shaft is made of stainless alloye... | 03/27/2001 |
| 6190048 | Compliant foil fluid film radial bearing A compliant foil fluid film radial bearing having a contoured profile bearing rotor to provide for the greater thermal expansion of the hot end of the compliant foil fluid film radial bearing at operating temperature. The rotor may have a uniform taper ov... | 02/20/2001 |
| 6158895 | Bearing device for machine tool spindle Two angular contact ball bearings (5, 7) are arranged in a backside combination manner for supporting a machine tool spindle (3), a spindle head body (1) serves as a bearing case for holding the angular bearings, an inner collar (9) is disposed between in... | 12/12/2000 |
| 6135641 | Hybrid duplex bearing assembly having thermal compensation Disclosed is a bearing assembly with thermal compensation. The bearing assembly includes a bearing mechanism defined by a pair of races and a plurality of bearing elements. The races are manufactured from a material having a coefficient of thermal expansi... | 10/24/2000 |
| 6120186 | Lighter bearing assembly The invention relates to a lighter bearing assembly, in which the bearing includes an outer sleeve and an inner sleeve that rotate in relation to each other, the outer sleeve being set in a bearing block and the inner sleeve being set on a shaft, and one ... | 09/19/2000 |
| 6065877 | Thermal compensation for fluid dynamic bearing using bimetal parts A bimetallic part is formed from metals or comprises metals with different thermal expansion coefficients. A first element defines the part and defines one surface of the bearing gap and has a first coefficient of expansion and a second element is wholly ... | 05/23/2000 |
| 5941645 | Bearing assembly A bearing assembly comprises a piston mounted within and capable of reciprocating with respect to a fixed bearing shell. The bearing shell is provided with openings for the supply of a bearing medium, such as compressed air, into a clearance between the p... | 08/24/1999 |
| 5857782 | Bearing assembly insert and housed self aligning bearing assembly A two-piece annular bearing ring seat with an annular concave spherical inside surface is adapted to slidably receive a spherical outer surface of a bearing ring. An annular strap having a coefficient of thermal expansion higher than the coefficient of th... | 01/12/1999 |
| 5843282 | Heated roll bearing system The invention is directed to an apparatus to produce layers of material, such as paper, carton or cardboard, under use of at least one roll that can be heated in a controlled manner, in particular a dryer cylinder, with tubing attached to the end of the r... | 12/01/1998 |
| 5803611 | Marine bearing assembly A marine bearing assembly for a propeller shaft suitable for a vessel which travels in intensely cold seawater where a conventional bearing, as a result of its contraction, would seize the shaft and prevent it from rotating. The assembly includes a cylind... | 09/08/1998 |
| 5785431 | Method and arrangement for temperature-independent mounting in a bearing A method and apparatus for obtaining temperature-independent mounting of a shaft made of a first material having a first coefficient of thermal expansion, in a bearing which interacts with the shaft and which is made of a second material having a second c... | 07/28/1998 |
| 5775816 | Bearing arrangement A device is proposed for centering a bearing bushing on a shaft wherein the bushing is made of a material, such as a ceramic, that is sensitive to tensile stress. At lower operating temperatures the bushing exhibits a degree of play relative to the shaft,... | 07/07/1998 |
| 5743655 | Self-acting fluid dynamic bearing support and method of assembling thereof A self-acting gas- dynamic or hydrodynamic bearing support for units rotating with a speed of about 10,000 rpm or higher consists of a stationary shaft (16) and a rotating bearing member (20) put on shaft with a radial gap of about 1 to 2 μm. A distingui... | 04/28/1998 |
