Hydraulic control system for power shift transmission

Details Hydraulic control system for power shift transmission Hydraulic control system for power shift transmission

1976-08-02

1978-06-06

Wyche, Benjamin W.

192 clutches and power-stop control

Clutches

Operators

192 8719, 192109F, 192 4A, 74364, B60K 2902

Patent

active

040930513

ABSTRACT:
A hydraulic control system including a plurality of individual clutch valves for selective operation for controlling clutches in a power shift transmission. A modulating valve and a clutch valve release mechanism are included for modulating the clutch engaging pressure and the clutch disengaging pressure automatically. A single source of pressurized fluid provides pressurized fluid for operating the hydraulic actuators through the clutch valves and pressurized fluid to lubricate the power shift transmission having wet clutches which operate in hydraulic fluid.

REFERENCES:
patent: 3469472 (1969-09-01), Bislew
patent: 3543891 (1970-12-01), Mathers
patent: 3583422 (1971-06-01), Dach
patent: 3850273 (1974-11-01), Murakami
patent: 3998111 (1976-12-01), Blake

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