Clutch release system and method for operating a clutch...

F - Mech Eng,Light,Heat,Weapons – 16 – D

Patent

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Details

F16D 48/06 (2006.01)

Patent

CA 2732926

The invention relates to a method for operating a clutch release system of a vehicle having an electrically actuable clutch release unit which comprises a sensor for detecting a position of a release piston of the clutch release unit and which comprises a control unit which controls a release piston as a function of a detected position of a clutch actuating device, and having a further sensor for detecting the position of the clutch actuating device. According to the invention, a characteristic curve function F which describes a relationship between the position of the clutch actuating device and the position of the release piston is taken into consideration during the actuation of the clutch release system, in order to obtain a consistent clutch release at a defined position of the clutch actuating device despite progressive wear of the clutch release system. The invention also relates to a clutch release system.

L'invention concerne un procédé de fonctionnement d'un système de débrayage (10) d'un véhicule (12), avec un élément de débrayage (64) commandé électriquement, comprenant un capteur (14) destiné à détecter une position d'un piston de débrayage (20) de l'élément de débrayage (64) et un appareil de commande (22) qui commande un piston de débrayage (20) en fonction de la position détectée d'un dispositif d'embrayage (16) ainsi qu'un autre capteur (18) destiné à détecter la position du dispositif d'embrayage (16). Selon l'invention, il est prévu qu'une fonction caractéristique F (54) décrivant le rapport entre la position du dispositif d'embrayage (16) et la position du piston de débrayage (20) soit prise en compte dans l'actionnement du système de débrayage (10) afin d'obtenir un débrayage identique malgré l'usure croissante du système de débrayage (10), pour une position définie du dispositif d'embrayage (16). L'invention concerne en outre un système de débrayage (10).

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