Hydraulic control system for automatic transmissions of motor ve

Details Hydraulic control system for automatic transmissions of motor ve Hydraulic control system for automatic transmissions of motor ve

1975-07-07

1978-04-11

Wyche, Benjamin W.

192 clutches and power-stop control

Clutches

Torque responsive

192 85AA, 192109F, 192 56F, F16D 2500, F16D 4320

Patent

active

040834425

ABSTRACT:
A hydraulic control system for automatic transmissions of motor vehicles without resorting to a one-way clutch wherein the fluid pressure to act on a piston member is controlled to effect a shift from a higher speed position to a lower speed position. The fluid pressure is controlled in accordance with the direction of rotation of multi-plate friction elements which are provided within the transmissions.

REFERENCES:
patent: 2642971 (1953-06-01), Hagenbook
patent: 2766864 (1956-10-01), Schilling et al.
patent: 3482669 (1969-12-01), Pegg
patent: 3675512 (1972-07-01), Hirozawa
patent: 3719259 (1973-03-01), Burez et al.
patent: 3900089 (1975-08-01), Iveg

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