Electrically controlled flow regulator valve with transient damp

Details Electrically controlled flow regulator valve with transient damp Electrically controlled flow regulator valve with transient damp

1998-04-09

1999-08-24

Hepperle, Stephen M.

Fluid handling

Processes

Cleaning, repairing, or assembling

137501, 251 52, 251 53, G05D 706

Patent

active

059412674

ABSTRACT:
An electrically controlled flow regulator valve assembly having a diaphragm operated pressure regulator valve with a solenoid operated valve for by-passing the diaphragm to control flow to the regulator valving chamber. In one embodiment the regulator valving chamber communicates through a small restricting orifice with a closed dampening chamber. In another embodiment a second closed dampening chamber is formed to communicate through a second small restrictive orifice with a chamber on the inlet pressure side of the diaphragm.

REFERENCES:
patent: 1640842 (1927-08-01), Loomis
patent: 2881794 (1959-04-01), Baldwin et al.
patent: 3357448 (1967-12-01), Martin
patent: 4250914 (1981-02-01), Ferrentino
patent: 4462566 (1984-07-01), French
patent: 4691619 (1987-09-01), Kervagoret

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