Multiple clutch control system employing clutch status monitor

Details Multiple clutch control system employing clutch status monitor Multiple clutch control system employing clutch status monitor

1981-03-06

1983-04-19

Krizmanich, George H.

192 clutches and power-stop control

Transmission control and clutch control

Common control

192 8718, 74665G, B60K 4122, F16D 2510

Patent

active

043802788

ABSTRACT:
A multiple clutch control system for controlling the operation of clutches in a multiple speed transmission of the type wherein the gear ratio of the transmission is altered by engaging one hydraulically operated clutch while simultaneously disengaging another hydraulically operated clutch includes circuitry responsive to the hydraulic pressure applied to the clutches for preventing simultaneous engagement of two clutches in the event that one of the clutches fails to disengage after another clutch has been engaged.

REFERENCES:
patent: 2936864 (1960-05-01), Schjolin et al.
patent: 2946241 (1960-07-01), Snyder
patent: 3163270 (1964-12-01), Zingsheim
patent: 3762518 (1973-10-01), Hilpert
patent: 4219109 (1980-08-01), Ushijima et al.
patent: 4234066 (1980-11-01), Toyota et al.

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