Multiple port valve

Details Multiple port valve Multiple port valve

1989-06-20

1989-11-14

Rivell, John

Fluid handling

Systems

Multi-way valve unit

137595, 251314, F16K 518, F16K 11085

Patent

active

048800325

ABSTRACT:
A multiple port valve body has a cylindrical bore with at least two pairs of oppositely disposed inlet and outlet ports communicating therewith and a cylindrical valve member rotatably positioned in said cylindrical bore. Transverse passageways in the cylindrical valve member register with the inlet and outlet ports in a first position and oversize resilient elastic rubber plugs under compression are positioned in oppositely disposed pockets in the cylindrical valve member register with said inlet and outlet ports when the cylindrical valve member has been rotated on its axis approximately 90.degree. to a second position, the resilient elastic rubber plugs acting to bulge into the inlet and outlet ports to insure positive sealing thereof.

REFERENCES:
patent: 1681394 (1928-08-01), Carlson
patent: 2088632 (1937-08-01), Benjamin
patent: 2125542 (1938-08-01), Catterlin
patent: 2154945 (1939-04-01), Kyes
patent: 2164295 (1939-06-01), Mott
patent: 2334875 (1943-11-01), Hufferd
patent: 2663315 (1953-12-01), Snyder
patent: 2868499 (1959-01-01), Kaminsky
patent: 3530892 (1970-09-01), Charlop
patent: 3552439 (1971-01-01), Siver
patent: 3945603 (1976-03-01), Fraser
patent: 4511120 (1985-04-01), Conley et al.
patent: 4789000 (1988-12-01), Aslanian

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