Self draining valve

Details Self draining valve Self draining valve

1989-10-10

1990-12-04

Cohan, Alan

Fluid handling

Systems

Multi-way valve unit

137302, F16K 11076

Patent

active

049746375

ABSTRACT:
A self draining valve having a valve housing with a fluid entrance channel, a fluid exit passageway leading toward the direction of normal flow of fluid, and a fluid drain channel leading in a direction inconsistent with the normal flow of fluid; a cylindrical inner valve member rotatably positioned within the valve housing; and two continuous o-ring type seals positioned between the inner surface of the valve housing, and the outer surface of the inner valve member.

REFERENCES:
patent: 450763 (1891-04-01), Van Wie
patent: 1561736 (1925-11-01), Menige
patent: 1765139 (1930-06-01), Dyck
patent: 2123655 (1938-07-01), McDougal
patent: 2319347 (1943-05-01), Reed
patent: 3080146 (1963-03-01), Lombardi
patent: 3229720 (1966-01-01), Hirschowitz
patent: 3480042 (1969-11-01), Mueller

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