Fluid pressure modulating apparatus for a fluidically actuated f

Details Fluid pressure modulating apparatus for a fluidically actuated f Fluid pressure modulating apparatus for a fluidically actuated f

1975-12-02

1978-05-02

Wyche, Benjamin W.

192 clutches and power-stop control

Elements

Thrust members, retarders, and stops

192 075, 192 8719, 13750515, F16D 2510

Patent

active

040869946

ABSTRACT:
This invention relates to a fluid pressure supplying method for fluidically actuating a frictional engaging apparatus in a vehicle transmission, including the steps of supplying high pressure to actuate the frictional engaging apparatus, reducing the high pressure to a lower pressure when the frictional engaging apparatus is initially engaged, and increasing the fluid pressure to line pressure in the frictional engaging apparatus after the frictional engaging apparatus is fully engaged, thereby smoothly engaging the frictional engaging apparatus without giving a shock to the apparatus and reducing the engaging time of the frictional engaging apparatus.

REFERENCES:
patent: 3389770 (1968-06-01), Golan et al.
patent: 3583422 (1971-06-01), Dach
patent: 3618424 (1971-11-01), Golan et al.
patent: 3674121 (1972-07-01), Copeland
patent: 3709065 (1973-01-01), Starling
patent: 3722646 (1973-03-01), Oguma
patent: 3809201 (1974-05-01), Miyanishi et al.
patent: 3820417 (1974-06-01), Allen
patent: 3896705 (1975-07-01), Patton

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