Fluid flow control valve

Details Fluid flow control valve Fluid flow control valve

1987-07-15

1988-10-25

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

91375A, 91467, F15B 1304

Patent

active

047796464

ABSTRACT:
A valve for controlling fluid flow comprising first and second relatively movable valve members. The first valve member has a first fluid cavity. The second valve member has a second fluid cavity. The second valve member has a land partially defining the second fluid cavity. The land has an outer surface portion and edges on the opposite sides of the outer surface portion. The land has edges on the respective opposite sides of the surface portion. The valve members are relatively movable from the neutral position for directing fluid flow between the first and second fluid cavities across one edge of the land upon relative movement therebetween. A groove in the surface portion of the land provides a reservoir of fluid to be drawn into the fluid flow across the one edge of the land.

REFERENCES:
patent: 4218041 (1980-08-01), Bernat
patent: 4313467 (1982-02-01), Lang
patent: 4471808 (1984-09-01), Thomsen et al.
patent: 4512548 (1985-04-01), Keller
patent: 4540024 (1985-09-01), Bacardit
patent: 4570736 (1986-02-01), Waldorf
patent: 4651776 (1987-03-01), Nakano et al.

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