Actuating drive with valve units for actuating a friction clutch

Details Actuating drive with valve units for actuating a friction clutch Actuating drive with valve units for actuating a friction clutch

1998-05-13

2000-01-18

Lorence, Richard M.

192 clutches and power-stop control

Transmission control and clutch control

Common control

192 361, 192 85R, 192103F, B06K 4122

Patent

active

060150319

ABSTRACT:
An actuating drive for actuating a friction clutch and an automated shift transmission, having valve units which enable a switching operation, on the one hand, of the friction clutch, and on the other hand, of the shift transmission. It is possible for a change to the switching state at the friction clutch to be triggered by a gear selection device. The valve unit that is assigned to the friction clutch is assigned a switching device which has a link between the actuating cylinder for the slot selection and the hydraulic circuit that is connected to the actuating cylinder for actuating the friction clutch and enables the driving, as required, of one or the other actuating cylinder.

REFERENCES:
patent: 3752284 (1973-08-01), Brittain et al.
patent: 3942393 (1976-03-01), Forster et al.
patent: 4172505 (1979-10-01), Rabus et al.
patent: 4343387 (1982-08-01), Hofbauer

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