| Patent Number |
Title Of Patent |
Date Issued |
| RE37268 |
Adjusting cylinder of a camshaft adjusting device acted upon by a separate oil supply unit |
July 10, 2001 |
| A device provided on a internal combustion piston engine for changing the rotational relations between at least one camshaft (5) and a crankshaft (6) includes a hydraulic cylinder (4). This hydraulic cylinder (4) is acted upon by a supply unit (7, 14) which displaces gas cushions in the |
| 7108621 |
Chain tensioner |
September 19, 2006 |
| A tensioner for a chain, includes a tensioner piston bearing upon a chain and guided by a cylinder for movement in the direction of the chain. The cylinder and the piston define a pressure chamber for receiving hydraulic fluid, wherein hydraulic fluid is able to escape from the pressure |
| 7041020 |
Deflection pulley for a traction mechanism drive |
May 9, 2006 |
| The invention relates to a deflection pulley (1), intended for a traction drive, which includes a rolling-contact bearing as well as a ring body (4). A securing screw (8) as well as a spacer sleeve (9) serve as retaining elements. In order to provide a transport safety system (17), t |
| 6979131 |
Multiple-row radial bearing |
December 27, 2005 |
| A multiple-row radial bearing with at least one bearing race and pertaining rolling bodies, with the bearing race having at least one central collar, is characterized in that the central collar of the bearing race is formed by a single-piece ring (11), which is provided with a slot (12) |
| 6857977 |
Tensioner for a traction drive |
February 22, 2005 |
| The invention relates to a tensioner (1) for a traction drive with a rotationally fixed housing (2) to a side of which a rotatable swivel arm (10), provided with a rotatable tension roller, is associated. A torsion spring (7) is placed between the housing (2) and the swivel arm (10) for |
| 6822349 |
Linear motor |
November 23, 2004 |
| A linear motor includes a secondary part (1) having several permanent magnets (4) disposed behind one another with alternating orientation of the polarity, or excitation windings. These permanent magnets (4) or excitation windings are wound helically around a rotation axis. Furthermo |
| 6811507 |
Plate-link chain |
November 2, 2004 |
| A continuously variable, conical disk transmission including a torque-transmitting member in the form of a plate-link chain or a thrust link band. The chain includes plate links that are interconnected by pairs of rocker members that extend transversely relative to the chain movement |
| 6752249 |
Actuating unit for an electromechanically actuated disc brake |
June 22, 2004 |
| 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 freewheel mechanism that |
| 6659877 |
Adjustable-length shaft |
December 9, 2003 |
| In an adjustable-length shaft (1) for transmitting torques comprising a circular inner shaft component (2) that is mounted coaxially through a linear ball bearing for sliding telescopically in axial direction in a hollow outer shaft component (3), the inner shaft component (29 is mounted |
| 6651527 |
Self-balancing device |
November 25, 2003 |
| A self-balancing device for a rotating machine part, includes an unbalance compensation disk, which is made through a non-cutting process and surrounds a rotation axis of a rotating machine element. A plurality of compensating masses is freely movable in an interior space of the comp |
| 6648783 |
Tensioning device for traction means such as belts or chains |
November 18, 2003 |
| Tensioning device for traction means, such as belts or chains, with a housing-like part in which a tensioning mechanism and a spring elements tensioning the traction means are mounted, whereby the tensioning device can be placed in an assemblage of the traction means drive having a drive |
| 6634972 |
Chain tensioner |
October 21, 2003 |
| 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 the chain. An adjusting mechanism i |
| 6491150 |
Switchable silent ratchet |
December 10, 2002 |
| A switchable clamp-type locking mechanism with an output shaft (3) that rotates in relation to a housing (1) is provided. Furthermore, clamping elements, in particular clamping balls or clamping rollers (4) are provided that are pushed by a spring force into a clamping gap (16) in th |
| 6481401 |
Device for independent hydraulic actuation of the phase and axial position of a camshaft |
November 19, 2002 |
| 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 space needed and construction |
| 6478470 |
Needle bearing |
November 12, 2002 |
| 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. This bearing is characteriz |
| 6468172 |
Mechanical tensioner with acoustic dampening feature |
October 22, 2002 |
| A tensioner for a power transmission element of a traction drive, includes a housing, a swivel arm having a free end for connection to a rotatable tension roller which rests on the power transmission element, and a swivel bearing, including an axle for connection to the swivel arm and a |
| 6443460 |
Elastic seal for a guide roller |
September 3, 2002 |
| 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 inside a second groove of the oute |
| 6416230 |
Snap cage for ball bearings |
July 9, 2002 |
| 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 balls. The radially inwardly and/ |
| 6402382 |
Inner casing of a bearing for limited longitudinal movement |
June 11, 2002 |
| 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 opposing lateral surfaces (1a, 1c |
| 6397801 |
Valve timing control apparatus of an internal combustion engine |
June 4, 2002 |
| 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 wheel. Mounted in fixed rota |
| 6386162 |
Variable valve drive for load control of a positive ignition internal combustion engine |
May 14, 2002 |
| A fully variable valve drive (10) for throttle-free load control of an internal combustion engine is proposed. It is particularly characteristic of the invention, that a transmission component (4) is provided for a valve activation component (13) that is produced with two distinguishable |
| 6383113 |
Toroidal transmission |
May 7, 2002 |
| A roller transmission, in particular toroidal transmission, with infinitely variable transmission ratio, includes a friction wheel (6) disposed between a driving disk (2) and driven disk (3) and rotatably mounted to a swingable carrier (7). The friction wheel has a circumferential fricti |
| 6382154 |
Device for changing the timing of intake and exhaust valves in an internal combustion engine |
May 7, 2002 |
| A device for changing the timing of valves in an internal combustion engine which includes a crankshaft-coupled component and a camshaft-coupled component is provided. The camshaft-coupled component is hydraulically rotatable and lockable with respect to the crankshaft-coupled component |
| 6374785 |
Arrangement for rotary angle positioning of a camshaft relative to the crank shaft of an interna |
April 23, 2002 |
| This invention pertains to a vane-cell positioning device with an external rotor (1) driven by the crankshaft of an internal combustion engine and an internal rotor (2) fixed to and turning with a camshaft which has pivoting vanes (15) that fit inside vane mounting notches (16), said van |
| 6374692 |
Shift rocker for a change-speed gearbox, and process of making a shift rocker |
April 23, 2002 |
| 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 engages a shift slot of the shift |
| 6370976 |
Gear shifting drum for a variable-speed gearbox |
April 16, 2002 |
| A gear shifting drum (2) for a gear shifting device of variable-speed gearboxes for motor vehicles has a curved path (11a to 11c) for guiding an engagement member (13) of the gearshift fork (12a to 12c), wherein the gearshift fork (12a to 12c) is directly connected to a synchronization |
| 6367983 |
Needle bearing cage and method for producing the same |
April 9, 2002 |
| The invention relates to a window cage (1) for a needle bearing. The pockets (5) of said window cage are formed by punched out sections and by a stamping process with material displacement in a cage strip (9) which is then bent round. According to the invention, the window cage (1) is |
| 6363897 |
Device for changing the control timing of the gas exchange valves of an internal combustion engi |
April 2, 2002 |
| A hydraulic camshaft-adjusting device of the rotary piston type having a drive gear (2) and an impeller. The drive gear (2) has a cavity formed from a perimeter wall and two side walls (5, 6) inside of which at least one hydraulic working chamber is formed from at least two boundary wall |
| 6357754 |
Seal for a bearing bush |
March 19, 2002 |
| The sealing arrangement for a bearing bushing includes a reinforced seal (2) which is arranged in force-fitting manner against the inner wall (4) of the bearing bushing (1). The reinforcement (3) of the seal (2) forms a radially inwardly directed arm (14) for attachment of a rotary shaft |
| 6345596 |
Engageable cam follower or engageable lifter element |
February 12, 2002 |
| An engageable cam follower (1) for acting on a pushrod in the valve train of an internal combustion engine is provided. This cam follower (1) includes of a thin-walled hollow cylindrical housing (2) in whose borehole (3) is positioned an internal element (4) axially movable with respect |
| 6330748 |
Method of making formed bodies |
December 18, 2001 |
| A method of making a formed body from iron alloys, in particular a cage for use in a radial roller bearing, axial roller bearing or linear roller bearing, includes the steps of treating a metal strip by heat treatment or thermochemical treatment for providing the metal strip with desired |
| 6322254 |
Bearing assembly for a threaded drive |
November 27, 2001 |
| A bearing assembly for a threaded drive, includes two grooved ball bearings arranged in side-by-side disposition and suited to one another for adjustment of a desired prestress, and a restraining element which holds the grooved ball bearings in place and is provided with a flange, direct |
| 6318895 |
Linear rolling bearing element |
November 20, 2001 |
| 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 having a load-bearing track and |
| 6318322 |
Valve drive of an internal combustion engine |
November 20, 2001 |
| A valve drive (1) including of a hydraulic support element (2), a finger lever (18) supported on the support element (2), and a cam (25) of a camshaft (26), is provided with opening mechanisms (27, 28, 29) for the forcible opening of a check valve (14) of the support element (2) during |
| 6318206 |
Shift rocker |
November 20, 2001 |
| 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 sidewalls. Connected to the cross member |
| 6318205 |
Locking lever for a shift rocker |
November 20, 2001 |
| 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 displace respectively connected |
| 6286384 |
Locking mechanism for a selector shaft of a change-speed gearbox for preventing inadvertent shif |
September 11, 2001 |
| A shift control apparatus for use in a change-speed gearbox of motor vehicles includes a housing, a selector shaft axially slidably and rotatably supported in the housing and operatively connected to a gear selector lever for axial displacement of the selector shaft to realize a pres |
| 6273044 |
Valve actuating lever |
August 14, 2001 |
| The present invention pertains to a valve actuating lever having a non-cut formed oblong base body which is configured essentially symmetrical to a longitudinal symmetry plane extending essentially longitudinally therefrom, a valve contact area arranged on a first end of said base body, |
| 6267218 |
Clamp-type locking mechanism |
July 31, 2001 |
| 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 element is swingable to a limited ext |
| 6234929 |
Tensioner |
May 22, 2001 |
| A tensioner for traction means such as a belt, includes a housing which accommodates a cylinder for guiding a hydraulically dampened, spring-loaded plunger in an axial direction for tensioning the traction means. The interior space of the housing is closed by a cover which has a guid |
| 6227715 |
Rolling bearing assembly for support of a steering shaft |
May 8, 2001 |
| 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 shaft. The rolling bearing is furth |
| 6227336 |
Linear guide |
May 8, 2001 |
| A linear guide having a carrier body that can be moved along a guide track is provided having a brake device with brake shoes acting upon the guide track and a piston which is located in a pressure chamber which can be displaced by a pressure medium in the carrier body. The brake device |
| 6213076 |
Cylinder head assembly of an internal combustion engine |
April 10, 2001 |
| A tappet (1) for a valve drive of an internal combustion engine is so designed as to be switchable for different valve lifts and includes an outer circular ring shaped section (5) which encloses a circular section (6). Both sections (5, 6) are acted upon by cams of different lifts, and |
| 6212965 |
Shiftable clamping-type locking mechanism |
April 10, 2001 |
| A shiftable clamping-type locking mechanism, includes two track-defining elements and a plurality of clamping members, e.g. rollers or balls, arranged between the tracks of the elements and so spring-biased as to seek a clamped position. The clamping members are shiftable by a control |
| 6193623 |
Tensioner with improved damping device |
February 27, 2001 |
| A tensioner for a driving member includes a piston (4) guided slidably in a housing (1) and spring-loaded against the driving member. The tensioner further includes a damping device (9, 18) for damping movements of the piston through discharge of hydraulic fluid, such as engine oil, from |
| 6192842 |
Valve timing control apparatus of an internal combustion engine |
February 27, 2001 |
| 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 connected to the camshaft and |
| 6186301 |
Synchronizing device for a manual transmission, in particular synchronizer element with integrat |
February 13, 2001 |
| A synchronizer element for use in a synchronizing device of a manual transmission, includes a hub secured in fixed rotative engagement on a gearshaft, and a guide member fixedly secured to the hub and having a splined outer circumference formed with at least one pocket for receiving |
| 6182626 |
Lever-type cam follower for a valve drive of an internal combustion engine |
February 6, 2001 |
| A lever-type cam follower for a valve drive of an internal combustion engine for operating at least one gas exchange valve, includes a main body exhibiting a substantially U-shaped configuration and comprised of two spaced-apart side walls extending in a longitudinal direction and a cros |
| 6155942 |
Traction wheel for tension element |
December 5, 2000 |
| A device for tensioning a traction mechanism, preferably a chain, which includes a traction wheel, preferably a sprocket (1), rotatably mounted on a hollow axle (3). Within the hollow axle (3), a hollow piston element (5, 6) is arranged, which is biased against the hollow axle (3) using |
| 6145640 |
Synchronizing device |
November 14, 2000 |
| The invention relates to an indexing gear (21) for a synchronizing device (1) for a geared speed change transmission installed in motor vehicles to which a coupling body (22) as well as a friction ring (23) are allocated. In accordance with the invention, the indexing gear (21), the coup |
