Flow control valve for passing two fluids in opposite directions

Details Flow control valve for passing two fluids in opposite directions Flow control valve for passing two fluids in opposite directions

1998-11-09

1999-08-03

Ferensic, Denise L.

Fluid handling

Systems

Plural noncommunicating flow paths

137504, 137513, 1375125, 1375137, 1375143, 13751627, F16K 3112

Patent

active

059311916

ABSTRACT:
A flow control valve includes a piston moveable in a cylindrical chamber between an inlet opening and an outlet opening. The piston head has a maximum diameter smaller than the wall of the chamber to define a fixed orifice. The opposite end of the piston has a sleeve which partially blocks the outlet opening depending upon the position of the piston in the chamber which in turn depends upon the pressure differential across the fixed orifice.

REFERENCES:
patent: 2471798 (1949-05-01), Thomas
patent: 2584418 (1952-02-01), Branson
patent: 4211253 (1980-07-01), Ekman
patent: 4221234 (1980-09-01), Kruschik
patent: 4991624 (1991-02-01), Fowler et al.
patent: 5232028 (1993-08-01), Sunderhaus et al.
patent: 5603352 (1997-02-01), Tavor

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