Butterfly type two-way check valve for an automatic transmission

Details Butterfly type two-way check valve for an automatic transmission Butterfly type two-way check valve for an automatic transmission

1997-11-20

1999-08-24

Hepperle, Stephen M.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

747331, 137513, F16K 11052

Patent

active

059412704

ABSTRACT:
An improved two-way check valve for controlling the flow of fluid to an element from either one of a pair of hydraulic sources in a hydraulic automatic transmission, the check valve having a flow cavity in which a pivotal flapper valve is mounted so as to alternately cover one of two inlet openings to the cavity.

REFERENCES:
patent: 1789855 (1931-01-01), White et al.
patent: 2017033 (1935-10-01), McGuffin
patent: 2161813 (1939-06-01), Groeniger
patent: 4996894 (1991-03-01), Holbrook et al.

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