| Patent Number |
Title Of Patent |
Date Issued |
| 6988718 |
Spring strut, optionally with internal level regulation |
January 24, 2006 |
| A wheel-guiding spring strut, optionally with internal level regulation, including a shock strut, optionally constructed as a self-pumping hydropneumatic spring strut, a piston rod supported at an upper supporting bearing, and a coil spring which is fixed between the spring strut and |
| 6911791 |
Method and device for the reduction of load cycle oscillations in the drive train of a motor veh |
June 28, 2005 |
| Load cycle oscillations in the drive train of a motor vehicle are reduced by detecting a change in available torque in the drive train, determining the period of a load cycle oscillation, and, at the commencement of the available torque change, applying at least one additional torque pul |
| 6860369 |
Vibration damper with variable damping force |
March 1, 2005 |
| A vibration damper with variable damping force, includes a cylinder filled with damping medium and in which a piston fastened to a piston rod axially moveably therein. The piston divides the working cylinder into two working spaces. The damping force for the directions of rebound and com |
| 6837356 |
Clutch release arrangement |
January 4, 2005 |
| A release arrangement for a hydraulically actuated clutch in a motor vehicle has an energy accumulator connected with a hydraulic system. The energy accumulator is connected with a pedal via a kinematic arrangement which adapts the pedal forces to the pedal path. It is possible to adapt |
| 6799665 |
Hydrodynamic torque converter |
October 5, 2004 |
| A hydrodynamic torque converter includes a converter housing and a turbine wheel which is arranged in the converter housing and is rotatable with respect to the converter housing about a rotational axis of the converter The torque converter further includes a lockup clutch for producing |
| 6796216 |
Guide for the piston rod of a piston-cylinder assembly |
September 28, 2004 |
| Guide for the piston rod of a piston-cylinder assembly, especially for a vibration damper, a shock-absorbing strut, or a level-control device. The guide has a guide body with an outer end surface holding a piston rod seal, where the piston rod is installed in the guide and sealed with |
| 6793058 |
Clutch disk arrangement for a multi-disk clutch |
September 21, 2004 |
| A clutch disk arrangement for a multi-disk clutch includes a hub element connectable to a shaft for rotation with the shaft about an axis of rotation. A carrier arrangement has a first carrier element and a second carrier element. The first carrier element is connected to the hub so that |
| 6787959 |
Electrical machine and electrical system |
September 7, 2004 |
| An electrical machine with a stator component and a rotor component, wherein the stator component carries the winding of the electrical machine, which has a number of coils. An electronic power unit is provided to control the electrical machine. To obtain an electrical machine, which |
| 6778899 |
Process and control unit for determining the crankshaft angle of an engine and drive train |
August 17, 2004 |
| In an engine having a crankshaft and a camshaft, the current angular position of a rotor fixed to the crankshaft is detected, and a top dead center (TDC) position of the crankshaft is determined based on the current angular position of the rotor, wherein the TDC position is one of an |
| 6764405 |
Drive arrangement |
July 20, 2004 |
| A drive arrangement for a motor vehicle includes a drive shaft, a coupling device, and a coupling arrangement. The drive shaft is connectable with the coupling device for transmission of force solely via the coupling arrangement. The coupling arrangement has a first toothing arrangement |
| 6742412 |
Drive system |
June 1, 2004 |
| A drive system that includes a drive shaft, which is or can be brought into torque-transmitting connection with a drive train, a secondary drive system for transmitting torque between the drive shaft and at least one auxiliary unit, and at least one vibration-damping device including a |
| 6732846 |
Friction clutch |
May 11, 2004 |
| A friction clutch comprising a flywheel having a rotational axis; a housing assembly which can be fixed to the flywheel for rotation in common about the rotational axis; a pressure plate mounted in the housing assembly so that it is free to move in the axial direction but is essentially |
| 6725988 |
Hydrodynamic clutch device |
April 27, 2004 |
| A hydrodynamic clutch device, particularly a hydrodynamic torque converter or fluid coupling, comprises a housing arrangement, a turbine wheel which is arranged in the housing arrangement so as to be rotatable with respect to the housing arrangement about an axis of rotation, a lockup cl |
| 6723180 |
Friction clutch comprising a friction element formed of flake graphite alloy |
April 20, 2004 |
| A gray cast iron alloy for a friction element of a friction clutch, which may be brought into frictional contact with a clutch disk by a friction surface of the friction element, contains: 3.0-3.4 percent by weight C, 1.8-2.3 percent by weight Si, 0.4-0.8 percent by weight Mn, 0.0-0.35 |
| 6719297 |
Piston ring, in particular for a piston of a vibration damper |
April 13, 2004 |
| Piston ring including a covering surface which covers a circumferential surface of a piston, and supporting segments having retaining surfaces which engage the upper and lower sides of the piston. The piston ring has a butt joint which enables the piston ring to be elastically deformable |
| 6719112 |
Torsion damping mechanism with auxiliary mass |
April 13, 2004 |
| A torsion damping mechanism with a torsion damper with an input side and an output side, where the input side and the output side are connected elastically to each other by spring-type stored energy elements for rotation in common auxiliary mass which can rotate coaxially to the tors |
| 6715595 |
Torsional vibration damper |
April 6, 2004 |
| A torsional vibration damper for a hydrodynamic clutch device particularly for coupling a turbine wheel hub with a turbine wheel shell and/or for coupling a lockup clutch arrangement with a turbine wheel, includes a primary side and a secondary side which is rotatable about an axis of |
| 6712362 |
Primary seals for master-slave cylinder systems |
March 30, 2004 |
| In a master/slave cylinder system for clutches or brakes, primary seals have bevels which interact with similar bevels of formations on housings of the respective cylinders. Along with the lowest possible friction in the region of the sealing lips, this permits carrying out uncomplicated |
| 6702087 |
Pressure plate assembly for a friction clutch |
March 9, 2004 |
| A pressure plate assembly for a friction clutch including a housing having an axis of rotation; a pressure plate mounted in the housing with freedom to move axially relative to the housing; a stored-energy element mounted in the housing and transmitting force along a path from the housin |
| 6702084 |
Clutch operator arrangement |
March 9, 2004 |
| A clutch operator arrangement for introducing an actuating force into a friction clutch includes a ball screw arrangement. |
| 6702082 |
Leaf spring arrangement, especially for attaching the pressure plate of a pressure plate assembl |
March 9, 2004 |
| A leaf spring arrangement, especially for connecting a pressure plate to a housing, comprises a plurality of adjacent leaf spring elements, where each leaf spring element has a first attachment area for establishing the connection the pressure plate, a second attachment area for establis |
| 6702079 |
Hydrodynamic clutch arrangement |
March 9, 2004 |
| A hydrodynamic clutch arrangement, particularly a torque converter or fluid coupling, includes a housing arrangement, a turbine wheel provided in the housing arrangement, and a lockup clutch arrangement by which a torque transmitting connection can be produced selectively between the tur |
| 6700280 |
Drive unit with an electric machine |
March 2, 2004 |
| A drive unit with a drive and an electric machine, the drive being equipped with a drive shaft and the electric machine with a stator and a rotor. The rotor is coaxial to the stator and connected to the drive shaft for the transmission of torque, where the stator and the rotor interact w |
| 6698561 |
Hydrodynamic clutch device |
March 2, 2004 |
| A turbine impeller rotates around a rotational axis in a housing unit, and a bridging clutch unit has a clutch element connected in an essentially nonrotatable fashion to the turbine impeller. The clutch element has friction area which can be brought into frictional contact with an o |
| 6688445 |
Clutch regulating device with torque sensor and displacement sensor |
February 10, 2004 |
| A clutch system comprises a clutch arrangement, an adjusting device for actuating the clutch arrangement, a displacement sensor arrangement for detecting a first quantity relating to the movement of a component which displaces when an actuating process is carried out, and a torque sensor |
| 6679366 |
Clutch release arrangement |
January 20, 2004 |
| A release arrangement for a hydraulically actuated clutch in a motor vehicle has an energy accumulator connected with a hydraulic system. The energy accumulator is connected with a pedal via a kinematic arrangement which adapts the pedal forces to the pedal path. It is possible to adapt |
| 6672444 |
Pressure plate assembly |
January 6, 2004 |
| A pressure plate assembly for a friction clutch includes a housing for mounting to a centrifugal mass; a pressure plate, which is mounted in the housing with freedom to move in the same direction as that in which a rotational axis (A) extends; a stored-energy element; and a wear-comp |
| 6669568 |
Torque converter coupling |
December 30, 2003 |
| A driving coupling for the torque transmission in the transmission line of a motor vehicle includes a shaft-hub coupling provided with longitudinal toothings for the releasable coupling of a crankshaft with a coaxially arranged hydrodynamic torque converter. The longitudinal toothings of |
| 6666314 |
Thrust plate assembly for a friction clutch |
December 23, 2003 |
| A pressure plate is held so as to be movable axially with respect to the housing by means of at least one leaf spring arrangement which is secured in a first coupling area to a first mounting area of the pressure plate and is secured in a second coupling area to a second mounting area of |
| 6662923 |
Pressure plate assembly |
December 16, 2003 |
| A pressure plate assembly for a friction clutch includes a housing for mounting to a flywheel; a pressure plate, held in the housing with the freedom to move in the same direction as that of a rotational axis (A); a stored-energy element; and a wear-compensating device acting in the path |
| 6655518 |
Housing arrangement for a pressure plate assembly, pressure plate assembly for a friction clutch |
December 2, 2003 |
| On a housing for a pressure plate assembly of a friction clutch, at least one mass part is provided, especially a motion stop for a clearance-producing arrangement of the pressure plate assembly provided for detecting wear. An imbalance-compensating formation is provided on the housi |
| 6655505 |
Parking brake actuating device for a parking brake arrangement in a motor vehicle |
December 2, 2003 |
| A parking brake actuating device includes a rotary lever arrangement in operative connection with a compensation device providing an idle path and a restoring element for controlling the rotary lever arrangement. The rotary lever arrangement controls the engagement of a blocking member w |
| 6651787 |
Vibration damper |
November 25, 2003 |
| A vibration damper includes a cylinder in which a piston rod is guided so as to be axially movable. A first piston is mounted stationary on the piston rod and a second piston is mounted so as to be displaceable axially on the rod against a spring force. The cylinder has a work space at t |
| 6651547 |
Guide for the piston rod of a piston-cylinder assembly |
November 25, 2003 |
| Guide for the piston rod of a piston-cylinder assembly, especially for a vibration damper, a shock-absorbing strut, or a level-control element, where the guide body holds the cylinder tube and the outside tube and simultaneously centers the piston rod in a central bore. The guide body |
| 6644451 |
Release mechanism for a double clutch assembly |
November 11, 2003 |
| A release bearing is provided for transmitting release force to a corresponding force accumulator of each of the first and second clutch regions of the double clutch assembly, the release bearings being arranged in succession in the direction of an axis of rotation. Each of the release |
| 6640946 |
Hydrodynamic clutch arrangement |
November 4, 2003 |
| A hydrodynamic clutch arrangement, particularly a torque converter or fluid coupling, includes a housing arrangement, a turbine wheel provided in the housing arrangement, a lockup clutch arrangement by which a torque transmitting connection can be produced selectively between the turbine |
| 6634379 |
Switching valve with flow direction-dependent cross-section |
October 21, 2003 |
| Switching valve with a valve body, which separates two working spaces filled with a fluid. The valve body has pass-through openings which are covered except for an inlet cross-section, where the inlet cross-section is controlled by a switching disk as a function of the direction of flow |
| 6626276 |
Clutch disk |
September 30, 2003 |
| A clutch disk has a hub area with a rotational axis, the hub area carrying a friction lining assembly radially outside of the hub area. A damper mass assembly can move circumferentially around the rotational axis relative to the hub area and the friction lining assembly against the actio |
| 6622842 |
Clutch disk |
September 23, 2003 |
| A clutch disk including a hub area and a plurality of friction lining elements carried on the hub area, which are arranged in sequence around the circumference relative to the clutch disk rotational axis, and provide at least part of the friction surface area, where the friction lining |
| 6622841 |
Clutch disk |
September 23, 2003 |
| A clutch disk includes a hub area and a plurality of friction lining elements, which are supported on the hub area and arranged in sequence in the circumferential direction relative to a clutch disk rotational axis (A). These elements provide at least part of an associated friction s |
| 6622840 |
Double clutch assembly |
September 23, 2003 |
| A double clutch assembly comprising a first clutch area for the optional production of a torque-transmitting connection between a drive element and a first driven element, a second clutch area for the optional production of a torque-transmitting connection between the drive element and a |
| 6622839 |
Multiple clutch arrangement |
September 23, 2003 |
| A multiple clutch arrangement includes a drive member, first and second output members, a first clutch arrangement for selective activation of a first torque transmission path between the drive member and the first output member, and a second clutch arrangement for selective activation o |
| 6622836 |
Release system for a clutch assembly |
September 23, 2003 |
| A release system for a clutch assembly comprises a release slide, which is or can be connected to a stored-energy element of the clutch assembly to execute release movements, and at least one brake element, which can move along with the release slide during the execution of release movem |
| 6620049 |
Drive arrangement |
September 16, 2003 |
| A drive arrangement for a motor vehicle includes a drive shaft, a coupling device, and a coupling arrangement. The drive shaft is connectable with the coupling device for transmission of force solely via the coupling arrangement. The coupling arrangement has a first toothing arrangement |
| 6619455 |
Clutch disk |
September 16, 2003 |
| A clutch disk includes a hub area and a plurality of friction lining elements arranged in sequence in the circumferential direction relative to a clutch disk rotational axis, each providing at least part of an associated friction surface area. The friction lining elements are intende |
| 6609601 |
Friction clutch |
August 26, 2003 |
| Friction clutch for use in the drive train of a motor vehicle with an input part, a clutch housing, at least one clutch disk in working connection with a takeoff element, and a pressure plate working together with the input part, the force of a stored-energy element acting on the pressur |
| 6603234 |
Method for producing a winding, and winding for electrical machines, as well as an electrical ma |
August 5, 2003 |
| In a method for producing a winding for electrical machines, a plurality of conductor elements are fitted on a winding former or stator tooth. The conductor elements are aligned parallel to one another in a predetermined order and are placed alongside one another in a slot while being fi |
| 6591957 |
Pressure plate assembly and pretensioning spring for a pressure plate assembly |
July 15, 2003 |
| A pressure plate assembly for a friction clutch includes a housing arrangement; a pressure plate held in the housing arrangement with freedom to rotate in the same direction as that in which a rotational axis extends; a stored-energy element; and a wear-compensating device, acting in |
| 6588567 |
Pressure plate assembly |
July 8, 2003 |
| A pressure plate assembly for a friction clutch includes a housing, a pressure plate held in the housing arrangement with freedom to move axially, and a stored-energy element transmitting force along a path between the housing and the pressure plate. A wear-compensating device acting |
| 6588566 |
Pressure plate assembly |
July 8, 2003 |
| A pressure plate assembly for a friction clutch includes a housing; a pressure plate held in the housing with freedom to move in the same direction as that in which a rotational axis (A) extends; a stored-energy element; and a wear-compensating device acting in the path of force tran |
