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| Number | Title | Issue Date |
| 8104972 | Bearing arrangement A number of machines such as gas turbine engines have asymmetric axial loading along a shaft (2, 3, 4). In order to accommodate for this asymmetric loading, known as an end bearing load, a load share bearing (103) is typically provided. However, specif... | 01/31/2012 |
| 7997804 | Rolling bearing apparatus A rolling bearing apparatus includes inner and outer rings in which a preload applying unit applies a preload to the outer ring. If a fluid pressure in a fluid supply passage is higher than a first set pressure, then fluid is supplied to a pressure chamber via a che... | 08/16/2011 |
| 7866894 | Hydraulically positioned shaft bearing attachment system and method A mounting system is disclosed for mounting a bearing assembly or other mechanical element to a shaft. The mounting system uses a tapered sleeve mechanism to secure the bearing assembly on the shaft. Specifically, a pressure loaded piston drives the sleeve from a pr... | 01/11/2011 |
| 7255483 | Thrust rollers A thrust roller bearing system comprising an inner rotating member, an outer rotating member and multiple rollers coupling the inner rotating member with outer rotating member. The inner and outer rotating members include thrust lips to enable the rollers to act as ... | 08/14/2007 |
| 7195439 | Tightening member A hydraulic nut having a first part connected around the first end of a fixing member the first part having an annular recess which opens to receive a second part forming an annular member which fits within the annular recess, wherein a pressurized medium chamber is... | 03/27/2007 |
| 7155826 | Motor spindle with improved machining precision and method for operating one such motor spindle A motor spindle includes a spindle shaft for receiving a tool. The spindle shaft is accommodated in the housing of the motor spindle in a fixed bearing and a loose bearing. The received tool enters into contact with the machined workpiece in a tool interface when th... | 01/02/2007 |
| 7025579 | Bearing system for high-speed rotating machinery A bearing system for a turbocharger shaft includes an elongated bearing carrier with two anti-friction ball bearings mounted in its ends and with a radially extending flange at one end that cooperates with stationary housing portions and carries thrust loads of the ... | 04/11/2006 |
| 6892562 | Fastening apparatus and method A fastening apparatus adapted for use with a chock and a roll which locates within the chock such that a first end of the roll projects through and beyond a first end of the chock and a second end of the chock is located relative to the roll. The apparatus comprises... | 05/17/2005 |
| 6684506 | Bearing assembly adjustable spacer and gage part adjustment method One or more force application members (e.g., a force transmission member and/or a hydraulic force application member) may be employed to provide a desired adjustment (e.g., a preload and/or a compression) to an adjustable spacer of a bearing assembly. The... | 02/03/2004 |
| 6220820 | Bearing preload A bearing arrangement, for example, for a variable pitch propeller, has a fluid operated actuator (42, 34, 40) for causing relative movement between bearing surfaces of races (12, 32) so as to preload bearings (30) held there between. Mechanical locking m... | 04/24/2001 |
| 6082907 | Pre-loading device for a radical-bearing unit Axially spaced radial bearing units (30, 50) for a shaft assembly are pre-loaded by hydraulic pressure. Each of the bearing units is mounted to an axially displaceable seat (40, 60). The pre-loading pressure between the two bearing units (30, 50) is maint... | 07/04/2000 |
| 5906164 | Coach coupling assembly Coach coupling assembly for coupling together two coaches of a railbound multi-unit set of coaches has a first coupling arm fixed to one of the coaches and a second coupling arm fixed to a second one of the coaches. The first coupling arm has a vertical t... | 05/25/1999 |
| 5857783 | Method and device for axially fixing a ring member to a shaft A method for joining a ring member, e.g. a bearing inner race ring, to a shaft so that the ring member is primarily prevented from axial motion relative to the shaft involves arranging the ring member over the shaft so that the shaft extends through a bor... | 01/12/1999 |
| 5600987 | Device for positioning and locking a chock on a roll pin during installation of a set of rolls in or removal from a roll stand A rolling mill has a rolling stand having two roll standards for supporting rolls having roll pins at opposite ends of each roll with bearings interposed between the standards and the pins. A chock (10) surrounds each bearing and is releasably secured wit... | 02/11/1997 |
| 5524988 | Rotary apparatus with gap-controlling A rotary apparatus, such as a pneumatic motor, is disclosed. The rotary apparatus comprises an end plate having a race cavity, a main rotor with a stub shaft extending from one end, and a bearing, which includes an outer race seated in the race cavity and... | 06/11/1996 |
| 5472285 | Apparatus for refining fiber material Apparatus for refining fibrous material comprising first and second opposed refining disks, at least one of said first and second opposed refining disks being rotatable, a rotary shaft for rotatably mounting said at least one of said first and second oppo... | 12/05/1995 |
| 5328269 | Method of and apparatus for preloading an anti-friction bearing A method of and apparatus for adjusting the preload of an anti-friction bearing is disclosed. A compressive load is applied to the opposite transverse faces of the outer races of a linear bearing by hydraulic or pneumatic cylinders. While the bearing asse... | 07/12/1994 |
| 5161899 | Bearing assembly for shafts, particularly expanding shafts of winding machines A bearing assembly supporting a support shaft to which a coupling shaft is to be coupled includes a bearing box (4) rotatably supporting a support shaft (5). A receiving part (12) is connected to the support shaft. The receiving part (12) has a profile po... | 11/10/1992 |
| 5160238 | Shaft travel devices such as vertical lift arm devices A shift travel device, exemplified by a vertical lift arm device, is described which provides for free rotation of its cylinder and arm about its shaft and free travel along the shaft without transfer of twist imposed by the arm and load to its shaft, con... | 11/03/1992 |
| 5029461 | Hydraulic fastener A hydraulic fastener for mounting bearing assemblies on the end of a roll in a rolling mill stand. The fastener includes a hydraulic ring cylinder component having a front face directed toward a roll and an inner cylindrical surface adapted to fit onto a ... | 07/09/1991 |
| 4989436 | System for axially shifting a roll in a roll stand A roll stand includes a generally stationary frame, a roll centered on an axis, and a radial-thrust bearing having an outer race fixed in the frame, an inner race fixed on the roll, and a plurality of rollers radially engaging the races and supporting the... | 02/05/1991 |
| 4973173 | Mounting method and rolling bearing arrangement A rolling bearing (12) is arranged to support a shaft (10) rotatably in a housing (13). In order to make simple mounting and dismounting of the bearing (12) possible this is first fitted with a loose fit to the shaft (10), whereupon the shaft (10) is caus... | 11/27/1990 |
| 4938615 | Roll neck bearing A mill roll is supported at its roll necks on tapered roller bearings, each having several cones and corresponding cups and rows of tapered rollers between the raceways of each cone and cup. Each bearing also has rib rings located at the ends of its cups ... | 07/03/1990 |
| 4808091 | Bearing support of the shaft of an exhaust gas tubine A bearing support of the rotor of an exhaust gas turbocharger with two inwardly disposed roller bearings in which, to assure a long length of life of the bearing, the roller members of the bearings are pressed constantly against their races so that they r... | 02/28/1989 |
| 4650364 | Arrangement for fastening a roll ring on an overhung roll shaft An arrangement for fastening a roll ring (5) to an overhung roll shaft (1) by means of a taper sleeve (8) which transmits essentially the entire torque and which is loaded axially by a spring (43) supported on an abutment (47) adjustable on the free end o... | 03/17/1987 |
| 4611934 | Device for preloading bearings A spindle is rotatably mounted within a housing on spaced-apart antifriction bearings. The inner races of the bearings are held solidly against shoulder portions of the spindle and the outer race of the front bearing is mounted against a shoulder in the h... | 09/16/1986 |
| 4611351 | Bearing mounting device This specification discloses a bearing mounting device in which while the hydraulic pressure in a hydraulic mechanism for applying a preload to a bearing is being adjusted in a state in which the fixing sleeve of a fixing mechanism for fixing the bearing ... | 09/09/1986 |
| 4571129 | Mandrel assembly An apparatus and method is provided for an air bearing support of a rotatable tooling bar, such as a boring bar. One or two mandrels may be provided for this tooling bar to form a complete mandrel assembly with the tooling bar. An air pressure expansible ... | 02/18/1986 |
| 4551032 | Mechanism for pre-loading bearings Apparatus is provided for mounting a rotatable member such as a machine tool spindle within a bore provided in a housing, the rotatable member being journaled in a number of bearings. A bearing support sleeve disposed within the bore to support the bearin... | 11/05/1985 |
| 4341426 | Clamp-up device for roll neck bearings A bearing for a mill roll is forced to and held in the proper position on the neck of the roll by a clamp-up device that fits around the roll neck between the bearing and a conventional splint hinged ring which serves as a backing for the device. The clam... | 07/27/1982 |
| 4333692 | Hydrostatic axial thrust bearing An axial thrust bearing having opposite support and load members and formed between the support and load members of a bearing cavity to which pressurized fluid is supplied. The cavity is surrounded by an axially movable floating seal ring disposed in a gr... | 06/08/1982 |
| 4027930 | Bearing assembly and method An antifriction roller bearing assembly having bearing members rolling in a depressed raceway of a circular inner race which has upstanding end flanges engagable with end faces of the bearing members. The end flanges on the race are circularly curved to p... | 06/07/1977 |
| 3957319 | Pillow block and bearing assembly A pillow block and bearing assembly having a housing with a lubricating chamber with a bearing disposed therein and with axially aligned holes on opposite sides for receiving a shaft. The bearing is disposed in the chamber and includes inner and outer rac... | 05/18/1976 |
