Orifice scheduling ball check valve

Details Orifice scheduling ball check valve Orifice scheduling ball check valve

1992-08-31

1998-10-27

Hepperle, Stephen M.

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

137493, 13751625, 137568, F16K 1718

Patent

active

058266127

ABSTRACT:
A check valve for use in an hydraulic control circuit includes separator plates each having an orifice of predetermined size and a ball retained between the separator plates, adapted to close one of the orifices and to open a port and parallel passages communicating with a chamber in which a ball is retained. The ball chamber is in continual communication with the orifice that is not closed by the ball.

REFERENCES:
patent: 2418634 (1947-04-01), Hallerstrom
patent: 3683957 (1972-08-01), Sands
patent: 4439984 (1984-04-01), Martin
patent: 4612766 (1986-09-01), Eder
patent: 4872475 (1989-10-01), Xiang-Wei
Toyota, Lexus 1990 Repair Manual, vol. 1, p. AT-95.

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