Detent mechanism and transmission speed range selector valve

Details Detent mechanism and transmission speed range selector valve Detent mechanism and transmission speed range selector valve

1979-09-05

1981-10-06

Krizmanich, George H.

192 clutches and power-stop control

Transmission control and clutch control

Common control

192 362, 192 4C, 192 13R, 74481, 1375961, 13762569, 251297, B60K 4124, F16D 6704, F16K 1110, F15B 1115

Patent

active

042930596

ABSTRACT:
A transmission speed range selector valve pressure biased to the high speed range position and spring biased toward the low speed range position. A detent mechanism for retaining the valve in the low speed range arrests the movement of the valve when the pressure of the pressure biasing fluid decreases allowing the spring to move the valve toward the low speed range and thereby downshift the transmission when fluid is throtted to the speed range selector valve.

REFERENCES:
patent: 2998732 (1961-09-01), Nelson
patent: 3093158 (1963-06-01), Tennis
patent: 3253614 (1966-05-01), McCav, Jr.
patent: 3476148 (1969-11-01), McMillen
patent: 3640146 (1972-02-01), Barnes
patent: 3722542 (1973-03-01), Matthews et al.
patent: 3738379 (1973-06-01), Wilke
patent: 3780762 (1973-12-01), Matthews et al.
patent: 3837359 (1974-09-01), Nelson et al.
patent: 3855875 (1974-12-01), Hansen
patent: 3866880 (1975-02-01), Schexnayder

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