Valve

Details Valve Valve

1990-02-23

1991-01-22

Walton, George L.

Fluid handling

Processes

Cleaning, repairing, or assembling

137315, 137881, 137886, 251214, 251215, 251900, F16K 1110, F16K 3150, F16K 4100

Patent

active

049862979

ABSTRACT:
A valve for controlling flow of air from a source of air under pressure such as a compressed air tank comprising an elongate body with first and second ends and first and second sides lying opposite one another. A transverse opening, extending between the first and second sides of the body adjacent its first end, has five coaxial sections of circular cross section having various diameters. The valve further includes a valve stem having a head with a pair of annular grooves in it, each holding an O-ring. The O-ring closest to the inner end of the head is engageable with a valve seat provided in of the transverse opening on inward movement of the stem to close the valve. A knob is attached to the valve stem to facilitate moving the stem. The valve stem with the O-rings in the grooves but without the knob is capable of assembly by inserting the stem into the opening from one side of the body.

REFERENCES:
patent: 2358228 (1944-09-01), Hoof
patent: 2669415 (1954-02-01), Gilroy
patent: 3200839 (1965-08-01), Gallagher
patent: 3731905 (1973-05-01), Piet
patent: 4120319 (1978-10-01), Krechel et al.
patent: 4187884 (1980-02-01), Loveless
patent: 4277031 (1981-07-01), Moumaneix
patent: 4615485 (1986-10-01), Larson et al.
patent: 4705076 (1987-11-01), Krechel et al.
patent: 4768550 (1988-09-01), Krechel et al.
patent: 4834131 (1989-05-01), Austin
patent: 4844414 (1989-07-01), Sable et al.

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