Fichtel & Sachs Ag

Mannesmann Sachs Ag

Matthias Fischer

Harald Jeppe

Reinhard Feldhaus

Hilmar Gobel

Bernd Peinemann

Andreas Orlamunder

Franz Hartig

Peter Wiggen

Rainer Ziss

Bernhard Schierling

Joachim Lindner

Norbert Lohaus

Jurgen Kleifges

Kurt Fadler

Dagwin Tomm

Rainer Wiedmann

Rudolf Bauerlein

Dieter Bernhard

Erich Feser

Gerda Rudolph

Martin Langfeldt

Peter Schultes

Winfried Feller

A friction clutch for a motor vehicle is embodied with a centrifugal mass device, which has at least one mass-bearing compensating system. At least one component of the centrifugal mass device is equipped, to form the compensating system, with at least one chamber that holds, to a predetermined degree of fullness, a fluid medium, whose position in the chamber changes when a torsional vibration occurs. The effect resulting from this position change depends on the density and viscosity of the medium, on the one hand, and, on the other hand, on the arrangement of the chamber, which determines the vibrational behavior of the medium, the shape of the chamber, which determines the movement resistance, and its degree of fullness.

Friction clutch with a compensating system

A torsional vibration damper has a first flywheel mass on the drive side and a second flywheel mass which is rotatable relative to the first flywheel mass and is connected therewith via a torsional damping device. At least one of the flywheel masses is provided with a grease chamber containing a viscous medium for at least partial accommodation of the torsional damping device. There is at least one opening which is provided with a closure and axially penetrates at least one wall of the flywheel mass for filling the grease chamber with the viscous medium. The closure is formed by a cover which is accommodated at the respective flywheel mass and movable in the axial direction relative to the opening. In a sealing position the cover covers the opening, and a filling position is removable from the opening by a connection piece which can be guided through the opening for filling the grease chamber.

Torsional vibration damper with a closure for openings for filling the

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 carrier. The wear compensation element is a worm gear that meshes with the worm to advance the wear compensation element along the clutch axis to compensate for wear. Axial play in the direction of the clutch axis is provided between the worm gear and the worm to detect wear of the friction linings.

Pressure plate arrangement for a motor vehicle friction clutch with

A clutch disc for a motor vehicle clutch which has an input part and an output part with relative rotational play. A friction device is located between the input part and output part. The friction device includes a friction disc located non-rotationally on the input part or on the output part, which friction disc has friction areas which have different coefficients of friction around its periphery, There also are contact areas which in the effective range of angular rotation of the clutch disc move essentially from one friction area at least partly to another friction area.

Clutch disc with a compound friction disc

An apparatus for modifying noise oscillations in a passenger compartment (12) of a motor vehicle (14) includes a memory device (38) for storing a plurality of predetermined oscillation patterns (SM), an operating condition determination device (18) for determining an operating condition (BZ) of the motor vehicle (14), a selector device (36) for selecting an oscillation pattern (SM) as a function of the determined operating condition (BZ) of the motor vehicle (14), and an oscillation generator device (39-42-44) for generating oscillations corresponding to the selected oscillation pattern (SM) into the passenger compartment (12) of the motor vehicle (14).

Apparatus and method for influencing oscillations in the passenger

Friction clutch, in particular for motor vehicles, consisting of a driving portion as a counterpressure plate, a pressure plate oriented so that it can move axially but not rotationally with respect to the counterpressure plate, a clutch plate with clutch linings which can be fixed between the two and which is located non-rotationally on a drive shaft, whereby the clutch plate is provided if necessary with a load and/or idle damper, whereby there are also pressure elements for the clutch plate and/or the damper. On such a friction clutch, the object of the invention is to realize different, predetermined moments of friction with the identical geometry of the friction device. The invention teaches that this object can be achieved by providing as the pressure element at least one permanent magnet and/or at least one magnet system and/or at least one electrically energized magnetic circuit.

Friction clutch, in particular for motor vehicles

A clutch plate for a motor vehicle friction clutch is proposed in which a lateral disc of a load torsional vibration damper of the clutch plate is radially centered on spring tongues which extend and project either axially or peripherally from a hub of the clutch plate. The spring tongues extend into a central opening in the lateral disc, and the spring tongues rest in the central opening under radial tension. Radially acting stops on the hub can be provided peripherally between the individual spring tongues to limit the spring travel.

Clutch plate for a motor vehicle friction clutch

The clutch disc for a motor vehicle friction clutch comprises a hub (1) on which side discs (7, 9) are rotatably mounted, arranged axially spaced, rigidly joined together, carrying the clutch linings (17). A hub plate (19) joined with the hub (1) solid in rotation, but with rotary play, is coupled rotationally elastically by means of springs (23) with the side discs (7, 9). Mounted axially between the hub plate (19) and one of the side discs (7) is a friction ring (41) of plastic material from which there protrude lugs (39) engaging into recesses (61) of the side disc (7). The lugs (39) guide the friction ring (41) solid in rotation but axially movable on the lateral disc (7). Axially mounted between the frictional ring (41) in frictional contact with the hub plate (19) and the side disc (7) is a disc spring (43) which applies with a plurality of flexible tongues protruding from its inner circumference on the friction ring (41). The flexible tongues engage in recesses of the friction ring (41). The friction ring carries on its inner circumference radially springing clamps (63) over which, together with the disc spring (43) it can be mounted by snapping on the side disc (7) or on a constructional part connected with the side disc (7).

Clutch disc for a motor vehicle friction clutch

A clutch disk for a motor vehicle friction clutch is proposed of which the torsional vibration damper, designed for idle running, is arranged radially between a hub and springs of a torsional vibration damper designed for load running. The idling damper is arranged axially between a hub disk and one of the lateral disks of the load damper torsionally elastically coupled to the hub disk. The idling damper comprises an input part, produced from plastics material, which is non-rotatably connected to the hub disk coupled with rotational play but otherwise non-rotatably to the hub. The output part of the idling damper also consists of plastics material and is non-rotatably connected to the hub. Helical springs, couple the output part torsionally elastically to the input part. Pairs of projections, shaped on the input part, enclose the springs between themselves and are supported through the pockets on the hub disk. Additional supporting elements, which engage in openings in the hub disk, are shaped on the outer periphery of the input part. The input part also forms a friction face of a friction device designed for load running. A friction face of a friction device, designed for idle running, is shaped on a tubular attachment of the output part. Entry bevels and catch shoulders are shaped on the projections of the input part for assembly purposes. The components of the idling damper can be oriented, relative to the hub flange, during assembly by means of a guiding tool.

Clutch disk for a motor vehicle friction clutch

A clutch disc with torsional vibration damper is proposed in which synthetic plastics material guide parts are arranged between a hub disc protruding from a hub and two side discs arranged axially on both sides of the hub disc, which guide parts, stressed axially by a spring, fix the side discs axially on the hub disc and guide them radially on the hub, by means of formed-on collars. The guide parts are coupled rotationally elastically through springs of an idling damper with the hub disc and at the same time determine the friction moment in idling.

Clutch disc

The invention relates to the production of a multi-part hub part for a clutch disc, wherein all parts are joined together by a weld. Different designs are possible, depending on the various welding processes. The apertures for damper springs can be produced very exactly in the hub disc owing to the production in individual parts. It is also possible to arrange lubricant reservoirs in a simple manner in the region of the points of separation of the individual components.

Hub part for a clutch disc

It is proposed for the clutch disc of a motor vehicle friction clutch that one of the lateral discs of a torsional vibration damper of the clutch disc be mounted via a radially resilient mounting ring on a cylindrical bearing face of a hub of the clutch disc. The mounting ring has a closed annular part which is fixed radially and axially in a central opening of the lateral disc and, on its internal periphery, has a substantially conical, preferably radially slotted, radially resilient connecting region. On its internal periphery, the connection region is provided directly or via a shaped-on tube region with a cylindrical opposing bearing face which rests substantially without initial tension on the bearing face of the hub. Spacer blocks limit the radial spring path and are used for the non-rotational guidance of the mounting ring on the lateral disc.

Clutch disc for a friction clutch

The invention relates to a clutch disc including an idling damping device and an under-load damping device, wherein the idling damping device is active between two hub parts coupled with each other by a toothing having play in the circumferential direction. In order to avoid the load-change impact, centrifugal weights are provided between the two parts. The centrifugal weights frictionally couple the two parts by means of a self-intensifying effect.

The torsional vibration damper suitable for the clutch disc of a motor vehicle friction clutch comprises an idling damper, the springs of which are retained in recesses of a toothing which couple the hub of the damper with a disc part, with limited play in rotation. The end faces of the spring lie for the one part on stop edges of the disc part and for the other part on stop edges of two retaining discs which annularly enclose the hub. The retaining discs are coupled non-rotatably, by axial bent-out portions, with a hub disc of the hub, and for assembly are pushed axially on to the hub. The retaining discs can be produced simply and fitted without problem. FIG. 1.

Growing community of inventors

Eltingshausen, Germany

Matthias Fischer