Friction clutch arrangement

Details Friction clutch arrangement Friction clutch arrangement

2007-05-08

2007-05-08

Rodriguez, Saul (Department: 3681)

192 clutches and power-stop control

Clutches

Operators

C192S089240

Reexamination Certificate

active

11010659

ABSTRACT:
A friction clutch arrangement includes a clutch housing mounted to a flywheel, a pressure plate, a clutch disk mounted on a transmission shaft, and a diaphragm spring which loads the pressure plate toward the flywheel to engage the clutch. A disengagement device includes a sliding sleeve which is axially displaceable on the shaft to introduce a disengagement force to the clutch spring via an force action point, thereby producing a characteristic curve of disengagement force versus disengagement travel of the sleeve. During disengagement, a compensation device introduces a compensation force counter to the pressing force in a predefined section of the characteristic curve, thereby reducing the disengagement force in the predefined section. A switchable force transmission device changes the effective force transmission ratio of the pressing force and the disengagement force during disengagement in a predetermined manner, thereby optimizing the disengagement stroke of the pressure plate.

REFERENCES:
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patent: 6029792 (2000-02-01), Beitler et al.
patent: 6176361 (2001-01-01), Travers et al.
patent: 6695116 (2004-02-01), Ziegler et al.
patent: 38 06 642 (1989-09-01), None
patent: 40 02 713 (1990-08-01), None
patent: 195 47 559 (1996-06-01), None
patent: 197 08 041 (1998-09-01), None

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