Pressure regulator

Details Pressure regulator Pressure regulator

1984-08-06

1987-12-29

Hershkovitz, Abraham

Fluid handling

Pressure modulating relays or followers

Plural series units

137 82, 137486, F15B 500

Patent

active

047153970

ABSTRACT:
A pressure regulator (75) of a flow control system includes a pair of orifices (140 and 145), the effective areas of which are controlled by a pair of flexible closures (150 and 155) unidirectionally stiffened against fluid flow thereagainst. The closures remain flexible in an opposite direction so that when one of the closures is fouled with contaminants, it does not impede the operation of the remaining closure.

REFERENCES:
patent: 2883995 (1959-04-01), Bialous et al.
patent: 3134425 (1964-05-01), Oppenheimer et al.
patent: 3446229 (1969-05-01), Howland
patent: 3771543 (1973-11-01), Wiggins
patent: 3874405 (1975-04-01), Thayer
patent: 3894552 (1975-07-01), Bowditch
patent: 4131130 (1978-12-01), Ruby
patent: 4449548 (1984-05-01), Tutherly

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