Fluid pressure regulator

Details Fluid pressure regulator Fluid pressure regulator

1988-04-28

1990-01-16

Hepperle, Stephen M.

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

137115, G05D 1620

Patent

active

048936464

ABSTRACT:
A fluid pressure regulator comprises a housing defining a cylindrical chamber, an inlet opening for introducing fluid under pressure into the chamber, an outlet opening for allowing fluid to leave the chamber at a regulated pressure, and a bleed orifice in communication with a space at constant pressure. The outlet opening and the inlet opening are in open communication. A ferromagnetic piston member is fitted in the chamber and is slidable within a range of positions such that the bleed orifice is partially covered by the piston. The ferromagnetic piston member is biased at a substantially constant force when it is that range of positions.

REFERENCES:
patent: 1454409 (1923-05-01), Richter
patent: 2219441 (1940-10-01), Carnes
patent: 2402499 (1946-06-01), Lawrence
patent: 2667895 (1954-02-01), Pool et al.
patent: 2700395 (1955-01-01), Young
patent: 3397717 (1968-08-01), Tenkku et al.
patent: 3908688 (1975-09-01), Gandrud
patent: 4417312 (1983-11-01), Cronin
patent: 4488574 (1984-12-01), Bartholomaus
patent: 4548233 (1985-10-01), Wolfges
patent: 4796661 (1989-01-01), Hishinuma et al.

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