Shut-off valve assembly

Details Shut-off valve assembly Shut-off valve assembly

1981-07-29

1983-11-08

Chambers, A. Michael

Valves and valve actuation

Valve actuator surrounding pipe, inlet or outlet

251267, F61K 3144

Patent

active

044138067

ABSTRACT:
A hydraulic fluid system having a fluid shut-off valve assembly for controlling the flow of fluid from a reservoir to a pump. The shut-off valve assembly has a body coupled to the drain pipe of the reservoir. The body has a chamber accommodating a valving member that is moved with a rotatable member between open and closed positions. An annular elastic ring yieldably retains the valving means in the open position. The valving means is a tubular member having a fluid outlet passage and a head attached to the tubular member. When the valving means is in the closed position, the head blocks the flow of fluid through the fluid outlet passage. A connector is attached to the rotatable member for coupling a fluid carrying hose to the valve assembly.

REFERENCES:
patent: 495064 (1893-04-01), Schrader
patent: 544752 (1895-08-01), Strater
patent: 633069 (1899-09-01), Busha
patent: 841322 (1907-01-01), Hoxie
patent: 1339005 (1920-05-01), Speicher
patent: 1527926 (1925-02-01), Schopen
patent: 2125554 (1938-08-01), Franck
patent: 2300483 (1942-11-01), Berger et al.
patent: 2893421 (1959-07-01), Brown et al.
patent: 3606096 (1971-09-01), Campbell
patent: 3881448 (1975-05-01), Hallstrom

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