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

1978-01-26

1980-08-12

Krizmanich, George H.

192 clutches and power-stop control

Clutches

Operators

192 7, 192 56F, 74869, F16D 1900

Patent

active

042168520

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: 2781871 (1957-02-01), Altekruse
patent: 2849086 (1956-08-01), Martin
patent: 3327815 (1967-06-01), Crosswhite
patent: 3482669 (1969-12-01), Foster-Pegg
patent: 3675512 (1972-07-01), Hirozawa
patent: 3703110 (1972-11-01), Uozumi
patent: 3707890 (1973-01-01), Ito
patent: 3709067 (1973-01-01), Ito
patent: 3719259 (1973-03-01), Burcz et al.
patent: 3733932 (1973-05-01), Uozumi et al.
patent: 3900089 (1975-08-01), Ivey

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