Electrohydraulic control device for a drive train of a vehicle

Details Electrohydraulic control device for a drive train of a vehicle Electrohydraulic control device for a drive train of a vehicle

1993-03-25

1995-10-10

Culbreth, Eric D.

Motor vehicles

Manually actuated controlling devices

With transmission control

192 329, 192 358, 192 13R, B60K 2302

Patent

active

054563330

ABSTRACT:
An electrohydraulic control device for a drive train of a vehicle including an engine, a transmission, a source of pressurized fluid, and an input clutch driving connected between the engine and the transmission. The device includes a control lever or handle having a control member progressively manually movable between first and second positions, wherein the transmission is adapted to responsibly shift between a FORWARD and a REVERSE gear ratio in response to movement of the control member from the first position to the second position. An electronic control module is adapted to determine a transmission clutch relative speed as a function of the transmission output speed and the transmission input speed and responsively engage and disengage the input clutch during a directional shift.

REFERENCES:
patent: 5040648 (1991-08-01), Mitchell et al.
patent: 5042314 (1991-08-01), Rytter et al.

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