Valve with flow force compensator

Details Valve with flow force compensator Valve with flow force compensator

1984-01-27

1986-10-14

Cohan, Alan

Fluid handling

Self-proportioning or correlating systems

Self-proportioning flow systems

137118, 60422, F15B 1306

Patent

active

046166718

ABSTRACT:
A valve that directs flow from an inlet to at least two outlets, and which counterbalances flow induced forces that tend to restrict flow to one of its outlets. The valve has a valve chamber formed in a housing, and the inlet communicates fluid to the valve chamber. A valve member is movable in the valve chamber to communicate fluid from the inlet to the two outlets. The valve member has a land which fluid flows across as the fluid flows from the inlet to one of the outlets, and the fluid flowacross that land creates a force which acts on the valve member urging the valve member in a first direction in which flow across the land to the one outlet is restricted. Means communicates fluid pressure from the other outlet to the valve member to apply a force to the valve member that urges the valve member in a second direction that is opposite the first direction, to counterbalance the flow induced forces on the valve member.

REFERENCES:
patent: 3355994 (1967-12-01), Malott
patent: 3914939 (1975-10-01), Purdy
patent: 3916932 (1975-11-01), Thorson
patent: 3979907 (1976-09-01), Paul
patent: 4488569 (1984-12-01), Rau

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