Device for the automatic actuation of a friction clutch

Details Device for the automatic actuation of a friction clutch Device for the automatic actuation of a friction clutch

1988-10-11

1990-11-20

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 0076, 192 355, 192 363, 192103R, B60K 4102, B60K 4122, B60K 4128

Patent

active

049711830

ABSTRACT:
A device for automatic actuation of a friction clutch in the transmission line of a motor vehicle between an internal combustion engine and a change-speed gear, including a setting drive system for positioning a clutch releaser of the friction clutch in dependence upon an ideal-position signal, an engine rotation rate sensor which generates an engine rotation rate signal corresponding to the rotation rate of the internal combustion engine, a sensor device generating a gear rotation rate signal corresponding to the input rotation rate of the change-speed gear, and a control system responding to the engine rotation rate sensor and controlling the setting drive system for the engagement and disengagement of the clutch, the control system, for the engagement of the clutch in the starting of the motor vehicle, generates the ideal position signal according to a predetermined characteristic in dependence upon the engine rotation rate signal, and increases the ideal-position signal, in dependence upon the engine rotation rate signal, by a proportion of the gear rotation rate signal which corresponds to a predetermined fraction of the gear input rotation rate.

REFERENCES:
patent: 4343387 (1982-08-01), Hofbauer
patent: 4403682 (1983-09-01), Norris et al.
patent: 4509625 (1985-04-01), Tellert
patent: 4651855 (1987-03-01), Grunberg

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