Transmission breather control valve and vent

Details Transmission breather control valve and vent Transmission breather control valve and vent

1991-04-01

1991-11-05

Fox, John C.

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

33727, 74606R, F16K 1500

Patent

active

050624474

ABSTRACT:
This invention relates to automatic transmissions and more particularly to valves for controlling and limiting automatic transmission breathing to reduce oxidation of the operating fluid fill. The valve permits relief of any residual pressure within the transmission housing for checking the operating fluid level.

REFERENCES:
patent: 2953939 (1960-09-01), Rains
patent: 3314306 (1967-04-01), Barclae
patent: 3686973 (1972-08-01), Davison, Jr. et al.
patent: 3693651 (1972-09-01), Gifford
patent: 3722321 (1973-03-01), Walker et al.
patent: 4330940 (1982-05-01), Leitgeb

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