| Patent Number |
Title Of Patent |
Date Issued |
| RE33058 |
Multi-speed hub for bicycles or the like |
September 19, 1989 |
| The invention relates to a multi-speed hub for bicycles or the like having a gear shift system for more than three gears, wherein the hub transmission comprises a single planetary transmission with axially fixed planet carriers with stepped plant gears and with two different sun whee |
| 6116399 |
Friction clutch for a motor vehicle and an operation device for the operation, especially pneuma |
September 12, 2000 |
| An operation device for a friction clutch arranged in the drive train of a motor vehicle. The operation device includes a positioning servo arrangement with a pneumatic power cylinder arrangement. The pneumatic power cylinder arrangement acts on a clutch release sleeve arrangement. T |
| 6092637 |
Clutch with a sealing element, in particular an elastomer seal for use in annular cylinders such |
July 25, 2000 |
| A seal element, in particular an elastomer gasket for use in hydraulic annular cylinders, such as in clutches, with a radially outer and a radially inner seal lip, characterized by the fact that the seal lips are axially offset in relation to one another. |
| 6070863 |
Shock-absorbing strut for a motor vehicle |
June 6, 2000 |
| A piston-cylinder unit includes a cylinder in which a piston rod is located so that the piston rod can move axially. A first connection mechanism is connected to the cylinder, and a second connection mechanism is connected to the piston rod. A positioning cylinder, with a pressure medium |
| 6035979 |
Vibration damper and a vibration damper with a damping valve having an adjustable damping force |
March 14, 2000 |
| A damping valve for a vibration damper including a cylinder filled with damping medium. A piston rod with a piston is realized in the cylinder so that the piston rod can move axially and the piston can divide the cylinder into two working chambers. The damping valve is located inside a |
| 6026338 |
System to control a chassis vibration damping device |
February 15, 2000 |
| A system to control a chassis vibration damping device with a variable damping characteristic in a vehicle with the use of a single acceleration sensor and a subsequent processing of the signal by means of filters and of an additional signal of a primary detector, whereby the processing |
| 6024201 |
Disengaging mechanism for a friction clutch |
February 15, 2000 |
| A disengaging mechanism for a friction clutch which is arranged in a motor vehicle between an internal combustion engine and a transmission flanged to the internal combustion engine by a casing. The disengaging mechanism includes a guide pipe which is fastenable in the casing. A release |
| 6019683 |
Two part flywheel for a motor vehicle, the two part flywheel having a torsional vibration damper |
February 1, 2000 |
| A two part flywheel having a torsional vibration damper with a plurality of inertial masses, for installation in the drive train of a motor vehicle. The torsional vibration damper has three inertial mass systems. A first and a second inertial mass system are oriented so that they can rot |
| 6000508 |
Vibration damper and a damping valve with adjustable damping force for a vibration damper |
December 14, 1999 |
| A damping valve, in particular for a vibration damper, including a cylinder filled with damping medium in which a piston rod with a piston is housed. The piston rod can move axially and the piston divides the cylinder into two working chambers. The damping valve can be adjusted by means |
| 5988607 |
Self-pumping hydropneumatic strut with an internal level control |
November 23, 1999 |
| A self-pumping hydropneumatic strut with an internal level control, especially for automobiles, has a power cylinder. The power cylinder is under the pressure of at least one gas pad acting as a spring. The gas pad is placed in a high-pressure chamber, which high-pressure chamber is |
| 5988343 |
Clutch disc with a torsional vibration damper for a motor vehicle friction clutch |
November 23, 1999 |
| A torsional vibration damper, for installation in the clutch disc of a motor vehicle friction clutch, the damping spring system of which torsional vibration damper comprises at least three spring stages which are sized for different torque ranges of the torque to be transmitted betwe |
| 5988331 |
Vibration damper with adjustable damping force |
November 23, 1999 |
| Disclosed is a vibration damper with an adjustable damping force and a method of producing the same. The adjustable vibration damper has a container tube to which is connected a shut-off valve arrangement. A damping medium is fed to the shut-off valve arrangement via a high-pressure |
| 5976048 |
Torsional vibration damper with a lubricant feed for a planet gear |
November 2, 1999 |
| A torsional vibration damper is provided with a transmission element on the driving side, at least one planet carrier which is provided with at least one bearing for receiving a planet gear engaging with at least one ring gear, and a transmission element on the driven side. One of the |
| 5971117 |
Piston-cylinder aggregate with displacement-dependent dampening force field |
October 26, 1999 |
| A piston-cylinder aggregate comprising a cylinder in which an axially movable piston rod is arranged is provided. The piston rod has two pistons, which are separated from each other and which produce a damping force of a variable magnitude depending on the piston rod's stroke positio |
| 5964333 |
Friction clutch and a slave cylinder for the operation of a friction clutch |
October 12, 1999 |
| A slave cylinder for the operation of a friction clutch, especially in motor vehicles, with a housing, an inner portion, an annular or cylindrical piston which annular piston is positioned between the housing and the inner portion, a clutch release sleeve or clutch throwout sleeve or |
| 5960922 |
Hydraulic cylinder such as a clutch master or servant cylinder in a motor vehicle having a bleed |
October 5, 1999 |
| A cylinder for pressure media, in particular a hydraulic master or slave cylinder in motor vehicles, having a bleed element which can be screwed into an aperture in the cylinder casing and which bleed element is sealed against the casing. The bleed element is functionally connected in th |
| 5950483 |
Process for forming a casing cover having an annular recess for a torque converter |
September 14, 1999 |
| A hydrokinetic torque converter includes an impeller driven by an internal combustion engine, a turbine coupled to an output shaft, and a stator that can be blocked in one rotational direction, which together form a converter circuit filled with converter fluid, which is supplied from a |
| 5944610 |
Two-mass flywheel for a motor vehicle, which two-mass flywheel has an opening to receive lubrica |
August 31, 1999 |
| A torsional vibration damper for a flywheel with two inertial masses has two rotating elements which can rotate together and relative to one another. The rotating elements are connected to one another with rotational elasticity by a spring. The spring is located in a channel which is |
| 5941356 |
Pressure plate assembly for a motor vehicle friction clutch having a wear sensor and a device fo |
August 24, 1999 |
| A pressure plate subassembly for a motor vehicle friction clutch, which subassembly comprises an application plate or pressure plate which, when assembled in a motor vehicle friction clutch, is connected to a flywheel to rotate jointly around an axis and can be axially displaced with res |
| 5938560 |
Bicycle multi-gear hub with coaster brake |
August 17, 1999 |
| A bicycle multi-gear hub with a coaster brake includes a hub body, a driver, a planetary gear arrangement and a coaster brake mechanism. The braking effect of the coaster brake mechanism is always boosted in all possible gears by the planetary gear arrangement when the driver is back |
| 5937988 |
Throttle device for hydraulic actuator systems and for hydraulic actuator systems of clutches of |
August 17, 1999 |
| A throttle device for the directionally-dependent influencing of the flow velocity of the fluid in hydraulic actuator systems, in particular of friction clutches in motor vehicles, with a throttle located between a master cylinder and a slave cylinder in the hydraulic system. The throttl |
| 5937975 |
Vibration damper for a motor vehicle and a vibration damper having a damping valve with adjustab |
August 17, 1999 |
| A vibration damper has a cylinder filled with damping medium. In the cylinder, a piston rod with a piston is realized so that the piston can move axially. The piston divides the cylinder into two working chambers. The vibration damper also has a damping valve. The damping force of the |
| 5934433 |
Friction clutch having an actuator for automated operation |
August 10, 1999 |
| An actuator for automated operation of a friction clutch includes a drive that is connected with an input part of a gearing and an output part of the gearing that is movable into operative connection via a transmission member with a disengagement bearing of the friction clutch. The t |
| 5931735 |
Flywheel device with a seal |
August 3, 1999 |
| A flywheel device has a drive-side centrifugal mass and a second centrifugal mass, which is rotatable relative to the first centrifugal mass and is connected to the first centrifugal mass via a torsional damping device. At least one of the centrifugal masses has a grease chamber cont |
| 5927460 |
Clutch disk with a double facing spring |
July 27, 1999 |
| A clutch disk for a friction clutch, especially for internal combustion engines, with a hub, two friction disks which are arranged concentric to the hub and are connected thereto. A plurality of facing spring elements are connected with the friction disks so as to be rotationally fixed |
| 5927457 |
Pressure plate arrangement for a motor vehicle friction clutch with automatic wear compensation |
July 27, 1999 |
| A motor vehicle friction clutch with automatic wear compensation has a wear compensation element, which wear compensation element can rotate around a clutch axis. The friction clutch also includes an adjustment device, which adjustment device includes a worm rotatably mounted on a carrie |
| 5921140 |
Index shifter for a bicycle transmission and a method of making an index shifter for a bicycle t |
July 13, 1999 |
| An index shifter (1) for a bicycle transmission is placed on a handle bar (3). The index shifter has a housing (2) and a notch element (4) with notches (5), which notch element is connected with a rotatable handgrip and with one of the ends of a control cable (7). The housing has an oblo |
| 5916329 |
Casing for an operating pull for shifting the gear levels of a bicycle gear |
June 29, 1999 |
| A casing for accommodating an operating pull for the purpose of attaching the operating pull to a bicycle gear, especially to a multiple-gear hub with a shifting wheel. The shifting wheel is placed, coaxially to the hub axis, at one of the ends of the hub. The shifting wheel is in contac |
| 5915488 |
Hybrid non-rail tired vehicle with safety mechanism |
June 29, 1999 |
| The components of a vehicle, in particular of a non-rail vehicle, which is powered by an electric motor traction propulsion system, can be protected against the damaging effects of accelerations which occur during operation by reducing the operating power supplied to a propulsion motor o |
| 5911628 |
Flywheel device with a seal for a grease chamber |
June 15, 1999 |
| A flywheel device has a first flywheel mass that is drivable and rotates around a rotational axis and a second flywheel mass that can be deflected relative to the first at least by a limited rotational angle. The second flywheel mass is drive-connected to the first flywheel mass by a tor |
| 5911293 |
Motor vehicle friction clutch with automatic wear adjustment |
June 15, 1999 |
| A motor vehicle friction clutch with automatic wear adjustment comprises a flywheel which rotates about a rotational axis, a clutch housing positioned with contact on the flywheel to turn with the flywheel, a pressure plate that is non-rotationally connected to the clutch housing and |
| 5909790 |
Clutch plate with friction disk supported by idle spring and hub |
June 8, 1999 |
| A clutch disk with a torsional vibration damper, with an idling system and a load system. The clutch disk including a hub disk mounted with play on a hub via a toothing, cover plates arranged at both sides of the hub disk coaxially thereto, and pre-damper having springs. The hub disk bei |
| 5908099 |
Friction clutch with pre-damper |
June 1, 1999 |
| A friction clutch, especially for motor vehicles, with a carrier plate, which interacts with a pre-damper and has friction linings and acts on a flywheel, especially a dual-weight flywheel. The flywheel is connected to the crankshaft of an internal combustion engine. The pre-damper has a |
| 5899308 |
Friction clutch for a motor vehicle |
May 4, 1999 |
| A friction clutch with a flywheel and a clutch housing has the flywheel and clutch housing connected to one another by means of a preferably cylindrical wall located in the radially outer portion of the clutch housing. The cylindrical wall can extend in a ring-shaped manner around th |
| 5896969 |
Switchable ratchet freewheel for multiple-gear hubs for bicycles |
April 27, 1999 |
| A switchable ratchet freewheel, under load, for multiple-gear hubs on bicycles includes a bolted pawl, a drive, a switch bush, as well as a switch ring. The switch ring, which has a positive-fit connection to the pawl, can either be lifted by a bulge on the switch bush, which acts in |
| 5893435 |
Vibration damper for a motor vehicle, the vibration damper having a decompression stop boundary |
April 13, 1999 |
| Vibration damper, in particular a shock absorbing strut, with an essentially U-shaped decompression stop boundary bracket, which bracket is fastened to a container tube, and in the event of a rebound of a vehicle axle comes into contact with a chassis-side support surface. The bracket |
| 5884743 |
Clutch plate with centering feature |
March 23, 1999 |
| A clutch plate in which the support of the hub provides for pivoting as well as radial compliance relative to the remaining components. This support is accomplished by a component, which is centered directly or indirectly on the hub plate of the load compliance, whereby the load spri |
| 5884741 |
Friction clutch for a motor vehicle with wear adjustment |
March 23, 1999 |
| A friction clutch with a mechanism to automatically adjust for the wear of the friction linings by an adjustable-width device. The adjustable-width device includes at least one adjustment element. The adjustment element is centered with respect to the axis of rotation opposite the pressu |
| 5884740 |
Friction clutch |
March 23, 1999 |
| A friction clutch for arrangement in the power train of a motor vehicle. The friction clutch includes a flywheel mass arrangement to be fastened to an input shaft rotating about an axis of rotation. A pressure plate unit with a clutch housing is held at the flywheel mass arrangement. A |
| 5878856 |
Flywheel device with a system of plain bearings |
March 9, 1999 |
| A flywheel device has at least two inertial masses which can rotate relative to one another against the action of elastic elements of a damping device, one of which inertial masses, namely the output-side inertial mass which is farther from a drive system, such as for example the cra |
| 5875866 |
Controlling mechanism for operating a gear-shift-lever shift of a gearbox for motor vehicles |
March 2, 1999 |
| A controlling mechanism, particularly for operating a gear-shift-lever shaft of a gearbox for motor vehicles, having controlling units for introducing a sensor-monitorable rotational or translational movement to the gear-shift-lever shaft. A first controlling unit is connected to a s |
| 5862901 |
Friction clutch that produces pressure force with two springs |
January 26, 1999 |
| A friction clutch, wherein the pressure force is obtained from the interaction of two different types of spring. A plate spring, which is unable by itself to apply the pressure force for transmitting the torque, is used, and at least one additional spring, which produces a force effect |
| 5860502 |
Hydraulically operated clutch assembly for a motor vehicle having a detachable plug-type connect |
January 19, 1999 |
| A detachable plug-type connector, in particular for the connection of a pressure line to a hydraulic cylinder with a pin-shaped inner part, which pin-shaped inner part can be inserted in a boring of an outer part. Between the outer part and the inner part there is a seal. The seal sits |
| 5860498 |
Shock absorber for a motor vehicle |
January 19, 1999 |
| A shock absorber for a motor vehicle has a single-tube construction with an adjustable damping force. The shock absorber includes a cylinder tube and a piston rod guide inside which a piston rod with a piston is located so that the piston can move axially. The piston divides the cylinder |
| 5857665 |
Self-pumping hydropneumatic shock absorbing strut with internal level regulation |
January 12, 1999 |
| Self-pumping hydropneumatic shock absorbing strut with internal level regulation, in particular for motor vehicles, with a work cylinder which is filled with oil, is under the pressure of at least one gas cushion which is located in at least one high pressure chamber and acts as a sp |
| 5857546 |
Multiple-disk friction clutch |
January 12, 1999 |
| A multiple-disk friction clutch, especially for motor vehicles, with a hub which has an internal toothing and can be placed on a gear shaft so as to be rotationally fixed relative thereto. At least two clutch disks are connected with the hub so as to be rotationally fixed relative theret |
| 5850899 |
Friction clutch for a transmission of a motor vehicle and a clutch disc for a friction clutch |
December 22, 1998 |
| A friction clutch for a transmission of a motor vehicle has a clutch disc with corresponding friction linings, wherein the friction linings are configured such that a ratio of the outside diameter thereof to an inside diameter thereof is less than about 1.41 and preferably falls in the r |
| 5848677 |
Vibration damper for a motor vehicle and a piston cylinder assembly; such as for a vibration dam |
December 15, 1998 |
| A piston cylinder assembly which includes a work cylinder, a piston and a piston rod, which piston rod carries the piston and extends out of the work cylinder in a sealed manner, as well as a ring-shaped equalization chamber formed by two tubes is disclosed. The equalization chamber is |
| 5848676 |
Shock absorbing strut with an aluminum container for a motor vehicle |
December 15, 1998 |
| A vibration damper for a motor vehicle is taught, which vibration damper has a cylinder tube in which a piston rod which is centered by a piston rod guide can move axially. A container tube encloses the cylinder tube, and the container tube is made of a material which has a significantly |
| 5847272 |
Function testing device for an actuator system such as a automatic friction clutch used with a m |
December 8, 1998 |
| To be able to verify the function of the actuator system of an automatic clutch or of an automatic transmission of a motor vehicle as a function of the current conditions, including while the motor vehicle is in motion is necessary, the invention teaches that a test circuit actuates the |
