Configuration for the pressure supply to an automatic selector d

Details Configuration for the pressure supply to an automatic selector d Configuration for the pressure supply to an automatic selector d

1992-05-28

1993-08-31

Lorence, Richard M.

192 clutches and power-stop control

Transmission control and clutch control

Common control

192 8713, B60K 4122, F16D 2511

Patent

active

052400930

ABSTRACT:
A pressure supply to an automatic selector device of a change-speed gearbox, controls working pressure via a multi-path valve device. The working pressure is supplied either only to clutch actuators of two drive clutches located in the force path before the change-speed gearbox or to selector actuators for the actuation of selector clutches producing the force path within the change-speed gearbox. The clutch actuator of one drive clutch is subjected to a load-dependent main pressure in the latter case.

REFERENCES:
patent: 3274858 (1966-09-01), Meyer et al.
patent: 3352392 (1967-11-01), Black et al.
patent: 4723643 (1988-02-01), Numazawa et al.
patent: 4848530 (1989-07-01), Chess
patent: 5101942 (1992-04-01), Pruss et al.

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