Multi-port valve

Details Multi-port valve Multi-port valve

1988-02-05

1989-01-24

Cohan, Alan

Fluid handling

Systems

Multi-way valve unit

137872, F16K 1104

Patent

active

047995130

ABSTRACT:
A valve comprising a cylinder with a number of inlet and outlet ports at one end having movable therein a resiliently surfaced piston, wherein the valve is closed by movement of the piston to a position wherein the resilient surface simultaneously closes all of the ports. Means is provided to normally urge the valve toward an open position and closing means which may be highly pressurized air is provided to move the piston to a valve closed position.

REFERENCES:
patent: 2054640 (1936-09-01), Stenger
patent: 2638927 (1953-05-01), Walker
patent: 3583441 (1971-06-01), Grant
patent: 3680595 (1972-08-01), Boulton
patent: 4464340 (1984-08-01), Lennox

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