Assignee: Ina Walzlager Schaeffler oHG

Location: Herzogenaurach, DE
No. of patents: 36

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Number	Title	Issue Date
6752249	Actuating unit for an electromechanically actuated disc brake An actuating unit for an electromechanically actuated disc brake for automotive vehicles which is composed of a drive unit or an electric motor, an actuating element forming one of two friction linings into engagement with a brake disc, and a reducing gear. A freewh...	06/22/2004
6634972	Chain tensioner A chain tensioner, includes a housing intended for attachment to a stationary machine element of an internal combustion engine, and a piston received in the housing for axial displacement against a strand of a chain to thereby implement a tensioning of th...	10/21/2003
6481401	Device for independent hydraulic actuation of the phase and axial position of a camshaft A device for independent hydraulic actuation of phase and axial positions of a camshaft of an internal combustion engine with a phase adjuster and an actuating piston arranged on a common axis for axial displacement of the camshaft. In order to reduce the...	11/19/2002
6478470	Needle bearing The invention relates to a needle bearing with an outer ring (1) terminating on both its ends in a collar (2, 3), and with bearing needles (4) guided in a cage in axis parallel disposition, as well as with a lubricant reservoir (9) arranged in the bearing...	11/12/2002
6443460	Elastic seal for a guide roller A guide roller with a sealing element (14) formed in one piece in a T-shape having a first axial sealing portion (15) that is placed securely onto a shoulder of the inner race, a second sealing portion (16) that extends radially outwardly and is located i...	09/03/2002
6431986	Constant-velocity universal joint of a tripod type A constant-velocity universal joint of a tripod type, includes a housing representing a first rotation part and having three tracks, each track having two flat running surfaces in parallel relationship, a second rotation part configured as a tripod spider...	08/13/2002
6416230	Snap cage for ball bearings A plastic snap cage for radial ball bearings includes thin-walled cup-like pocket elements spaced about the circumference and connected with each other in one piece through ribs, thereby forming pockets that are open in the axial direction to receive the ...	07/09/2002
6402382	Inner casing of a bearing for limited longitudinal movement The inner casing (1) of a rollerbearing permitting longitudinal movement over a limited travel path and designed for longitudinally displaceable mounting or guiding of a rod (8) is provided with an inwardly directed projection (9) on each of at least two ...	06/11/2002
6397801	Valve timing control apparatus of an internal combustion engine A valve timing control apparatus, includes a drive wheel in driving relation with the crankshaft and has a hollow space with at least one hydraulic working chamber demarcated by two boundary walls extending inwardly from an inner wall surface of the drive...	06/04/2002
6374692	Shift rocker for a change-speed gearbox, and process of making a shift rocker A shift device for a change-speed gearbox, includes a shift rocker having sidewalls for axially displacing a shift sleeve positively connected to a gear wheel clutch or synchronizing unit. A shift finger is fixedly mounted on a shift shaft and positively ...	04/23/2002
6336329	Hydraulic cylinder A hydraulic master cylinder for a clutch or brake of a motor vehicle is simultaneously optimized for cost-effective mass production and for functional properties....	01/08/2002
6318206	Shift rocker A shift rocker for use in a gear shift mechanism, includes a bracket of forked configuration, with the bracket having spaced-apart sidewalls in parallel relation for axially displacing a shift sleeve, and an arched cross member interconnecting the sidewal...	11/20/2001
6318205	Locking lever for a shift rocker A shift device for a change-speed gearbox, includes a plurality of shift rockers, each shift rocker being supported in a pivot bearing and rotatable by actuating a shift finger, fixedly mounted on a shift shaft. The shift rockers are provided to axially d...	11/20/2001
6318895	Linear rolling bearing element A linear rolling bearing element mounted to a running surface of a guide rail, includes a main body which having a rolling-element circuit for guiding the main body along a guide rail via a plurality of rolling elements, with the rolling-element circuit h...	11/20/2001
6267218	Clamp-type locking mechanism A clamp-type locking mechanism has a driven element rotatably arranged with respect to a holding element and having ramps which together with a track of the holding element define clamping gaps for receiving spring-loaded clamp rollers. An adjustment elem...	07/31/2001
6227715	Rolling bearing assembly for support of a steering shaft A bearing assembly includes a rolling bearing, having an inner ring, an outer ring, rolling bodies arranged between the inner ring and the outer ring, and a clamping ring, for supporting a steering shaft and a further bearing, for supporting a steering sh...	05/08/2001
6192842	Valve timing control apparatus of an internal combustion engine A valve timing control apparatus for adjusting a rotational relation of a camshaft relative to a drive unit of an internal combustion engine, includes a clutch unit positioned between the drive unit and the camshaft and including first and second sections...	02/27/2001
6119644	Hydraulic clearance compensation element A hydraulic clearance compensation element actuated by a cam of a camshaft and adapted for use with a valve drive, includes a casing closed on one end by a bottom which bears upon one end of a gas exchange valve, a pressure piston so received in the inter...	09/19/2000
5993067	Release bearing for actuating gearshift clutch of an automotive vehicle A release bearing (1) for actuating a gearshift clutch of an automotive vehicle comprises an angular contact ball bearing (3) in which forces are transmitted from one bearing raceway to another bearing raceway at an angle of pressure ଱ to the transv...	11/30/1999
5970930	Device for changing the opening and closing times of the gas-exchange valves in an internal-combustion engine In a device (1) for varying the opening and closing times of gas exchange valves of an internal combustion engine, an undesired start rattling occurring during the starting operation of the internal combustion engine due to an abutment of an adjusting pis...	10/26/1999
5927239	Apparatus for adjusting valve timing of gas exchange valves in an internal combustion engine Apparatus for adjusting the valve timing of gas exchange valves in an internal combustion engine, includes a driving unit in driving relationship with a crankshaft, a driven unit fixedly secured to an intake camshaft or exhaust camshaft, and an adjusting ...	07/27/1999
5896973	Clamp-type locking mechanism, in particular for adjusting a seat position A clamp-type locking mechanism includes a housing (1) with an inner cylindrical clamping surface (3) and with driving elements (5) and driven elements (4) positioned concentrically therewith. The driven element (4) is provided with clamping ramps (23, 24)...	04/27/1999
5839835	Self-aligning ball bearing A self-aligning ball bearing for steering shafts (7) of automotive vehicles having an elastic convexity (8) deviating from the circular shape and arranged in at least one peripheral section of at least one of the raceways (2, 4), preferably of the outer r...	11/24/1998
5832884	Device and method for operating a valve drive of an internal combustion engine A switchable supporting component (30) is to be designed in such a way that a pull-rod engaging at one end (35) of it can be fully operatively separated from the control cam. The invention effects this in that in the housing (31) there runs at least one f...	11/10/1998
5829399	Pressure fluid supply system for a variable camshaft adjustment Apparatus for adjusting a rotational relation between a camshaft and a timing pulley of an internal combustion engine of a type having a crankshaft for driving the timing pulley and a cylinder head for rotatably supporting the camshaft, includes a housing...	11/03/1998
5797798	Constant velocity universal joint A constant velocity universal joint of a tripod type includes an outer joint part with three circumferentially spaced axial guide tracks for respectively receiving a tripod unit which is connected to a tripod spider and guided on a ball-headed pin for ang...	08/25/1998
5794578	Valve timing control apparatus A valve timing control apparatus of an internal combustion engine includes an output element having a central bore and in mesh with an adjusting member which reciprocates between two axially spaced end positions, thereby defining two pressure compartments...	08/18/1998
5794512	Master cylinder A master cylinder for use in a hydraulically actuated clutch or brake system of a motor vehicle, includes a casing formed with a bore, and a piston unit axially displaceable within the bore. The piston unit includes a piston-shaft sleeve received in the b...	08/18/1998
5795257	Tensioning device for traction means with cone-type sliding bearing A tensioning device for a traction element includes a tensioner arm having a tension roller which is spring-loaded against the traction element. The tensioner arm is rotatably supported relative to a housing by means of a conical sliding bearing exhibitin...	08/18/1998
5778839	Finger lever for actuating a gas exchange valve A valve actuating mechanism which can be set to three different strokes for a gas exchange valve includes a finger lever actuated by a control cam with a single lift curve, with the finger lever being selectively connectable to a longitudinal guide in the...	07/14/1998
5720244	Switchable support element A support element (1) is designed to be disconnected by a lift movement of a control cam, and includes radially movable coupling elements (12). To disconnect the support element (1), the coupling elements (12) are moved inwards by hydraulic medium, while ...	02/24/1998
5702314	Device for damping spring vibrations The invention concerns a tensioner for traction drives which includes a base element and a tension roller support arranged partly concentric with each other, and further including a torsion spring which is guided on a bush and braces these two elements ag...	12/30/1997
5651335	Valve tappet A two-part tappet is designed to be adaptable to different cam contours. Radial bores (11, 12) are provided in the base sections (2, 3) for receiving at least one radially shiftable piston (13) for coupling the sections (2, 3)....	07/29/1997
5540529	Locking member A locking member being provided with a parallel to a side face running primary recess within an internal or external rim surface. This primary recess is dividing the member into a solid supporting portion and a first portion having a side face provided wi...	07/30/1996
5076717	Polymeric sliding sleeve for clutch release bearings A sliding sleeve made of polymeric material for clutch release bearings comprising a hollow cylindrical hub element (1) provided with a radially outwardly directed ring collar (3) on its outer surface, a ring-shaped metal flange (4) abutting against the s...	12/31/1991
4976660	Apparatus for tensioning V-belts, especially for automotive vehicles An apparatus is proposed for tensioning V-belts, especially for automotive vehicles, said apparatus comprising a length-variable link member (6) for tensioning a pulley against the V-belt. The link member comprises a casing (10) carrying a connection bear...	12/11/1990

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Assignee: Ina Walzlager Schaeffler oHG