Transmission check valve

Details Transmission check valve Transmission check valve

1999-06-23

2000-11-07

Green, Mary Ann

Machine element or mechanism

Elements

Gear casings

13754313, F16H 5702, F16K 1506

Patent

active

061420379

ABSTRACT:
A check valve which fits within a multi-diametered shouldered cavity formed within a pump valve body of a transmission. The check valve assembly has a movable valve element with a head to seal an annular aperture in a separator plate of the transmission. The valve element further has a stem axially extending into the cavity. The stem has an enlarged annular end. A base retainer has a spline formation in a central opening which allows the enlarged annular end of the stem to be inserted therein. After relative rotation between the base retainer and the stem of the valve element, the valve element is captured to the base retainer. A spring is captured between the stem of the valve element and the base retainer to bias the head of the valve element against the aperture provided in the transmission separator plate.

REFERENCES:
patent: 469853 (1892-03-01), Gibson
patent: 1183981 (1916-05-01), Johnson
patent: 2879794 (1959-03-01), Costello
patent: 4437492 (1984-03-01), Taylor
patent: 4982826 (1991-01-01), Holbrook

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