Class / Patent application number | Description | Number of patent applications / Date published |
384493000 | Temperature compensation | 6 |
20080247698 | High-Speed Movable Bearing in Particular for the Mounting of a Main Spindle of a Machine Tool - According to the invention, the high-speed moving bearing is embodied as an automatically-compensating movable ball bearing with several adjacent races of balls with operation-dependent radial thermal expansion of the bearing rings, the bearing rings of which are only in supporting contact with one ball race in the cold state for the high-speed movable bearing, by means of a convex embodiment of the running surfaces for the roller bodies on the inner bearing ring. With increasing thermal expansion and expansion due to centrifugal force of both bearing rings, the further ball races come sequentially into such a contact position with both bearing rings as a result of an elastic radially-flexible embodiment of both bearing rings, that the bearing rings at the operating temperature for the high-speed moving bearing are in supporting contact with all ball races. | 10-09-2008 |
20090074339 | Resin-Made Cage and Bearing - It is an object of the present invention to provide a cage that can be used in a cryogenic-temperature environment or a vacuum without providing the cage with a complicated construction and without performing special treatment and a bearing using the cage. A cage made of resin has an annular main body having a plurality of pocket portions radially penetrating the main body; and a plurality of pocket members, provided on the annular main body, which hold rolling elements of a rolling bearing. The main body is a molding of a first resin composition consisting of a first resin and a solid lubricant mixed therewith; and at least a rolling element-retaining surface of each of the pocket members is made of a second resin composition containing fluorocarbon resin as a main component thereof. The molding of the first resin composition has a tensile strength of not less than 30 MPa and a heat-resistant temperature of not less than 200° C. The second resin composition is a fluorocarbon resin composition. The rolling bearing is constructed of an inner ring, an outer ring, the rolling elements interposed between the inner ring and the outer ring, and the cage. The rolling bearing is used for a turbopump, of a rocket engine, which uses a liquid fuel. | 03-19-2009 |
20120106884 | ROLLING BEARING ARRANGEMENT - A rolling bearing arrangement, which has at least one angular contact rolling bearing arranged within a housing and at least one lash compensation element that is supported axially in one direction on the housing and is capable of being biased against a bearing ring of the angular contact rolling bearing with the bearing ring being axially movable relative to the housing, and a U-shaped ring which has two radially opposing legs directed in an axial direction. The U-shaped ring rendering the lash compensation element radially immovable by positive engagement while being guided on the bearing ring of the angular contact rolling bearing for axial displacement relative to the bearing ring, and the axial section of the bearing ring projecting axially between the legs of the ring profile. | 05-03-2012 |
20120106885 | ROLLING BEARING - A rolling bearing which has at least one lash compensation element possessing temperature-dependent extendably arranged on one bearing ring of the rolling bearing. The lash compensation element is surrounded at least partially by an angular ring profile. The angular ring profile has at least one leg directed axially parallel to an axis of rotation of the angular contact roller bearing. The ring profile is retained by the leg by positive axial engagement for limited axial movement on the bearing ring such that the lash compensation element is supported by the ring profile by positive engagement so as to be radially immovable on the bearing ring while being guided for axial movement on the bearing ring. | 05-03-2012 |
20120195537 | THERMAL COMPENSATION ELEMENT WITH WAVE SPRING - A thermal compensation element which has an inner ring, an outer ring, and a washer. The washer is arranged within the inner ring and the outer ring is mounted over the inner ring, encapsulating the washer, which can be a split wave spring. The inner ring and the outer ring each have retention features to ensure they are retained relative to each other. The thermal compensation, which is positioned between a housing or a shaft, can account for variations in loading and/or temperature that may occur to a bearing and a shaft system when the shaft and an associated component are made of different materials and have different coefficients of thermal expansion by ensuring a proper axial preload is maintained on the bearing. | 08-02-2012 |
20160053812 | BEARING ASSEMBLY AND METHOD FOR ASSEMBLING AND MOUNTING SAID BEARING ASSEMBLY WITH A COMPONENT SUPPORTING SAID BEARING ASSEMBLY - A bearing assembly includes at least one ring arranged between first and second components, the second component being mounted for rotation relative to the first component. The bearing assembly includes a first layer of expandable material disposed axially between a first radial lateral surface of the at least one ring and one of the first and second components, and the first layer of expandable material has been irreversibly expanded by a heat treatment at a temperature above a first temperature threshold. | 02-25-2016 |