Flow washer

Details Flow washer Flow washer

1982-09-20

1984-07-03

Bryant, III, James E.

Pipes and tubular conduits

With flow regulators and/or baffles

Restrictors

23953314, F15D 102

Patent

active

044573430

ABSTRACT:
A flow control employing elastically deformable washer received in a cavity having a single contoured flow orifice having a plurality of inwardly extending projections formed on the periphery of the orifice. At inlet pressures at and below a predetermined threshold, the projections form the periphery of the single orifice and at pressures above threshold the washer is deformed in the cavity and the projections come into mutual contact thereby forming a plurality of smaller elongated orifices instead of a single large orifice. The elongated plural orifices tend to minimize velocity increases caused by increased pressure.

REFERENCES:
patent: 2515073 (1950-07-01), Binnall et al.
patent: 2775984 (1957-01-01), Dahl
patent: 2910093 (1959-10-01), Dahl
patent: 2989086 (1961-06-01), Dahl
patent: 3006378 (1961-10-01), Erickson et al.
patent: 3444897 (1969-05-01), Erickson
patent: 3779468 (1973-12-01), Spencer
patent: 4105050 (1978-08-01), Hendrickson et al.
patent: 4193545 (1980-03-01), Havens

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