Precision valve assembly

Details Precision valve assembly Precision valve assembly

1982-09-30

1985-08-27

Cohan, Alan

Valves and valve actuation

Reciprocating valve

Diaphragm

251 611, 137510, F16K 712

Patent

active

045373876

ABSTRACT:
A precision valve assembly for controlling the flow of fluids delivered to a patient has a valve element mounted on a flexible diaphragm. A controlled actuator displaces a portion of the diaphragm surface, flexing it, and by a leverage action, moves the valve closer to or away from the valve seat.

REFERENCES:
patent: 1180807 (1916-04-01), Vedder
patent: 3011758 (1961-12-01), McFarland
patent: 3511472 (1970-05-01), Zimmerman
patent: 3984081 (1976-10-01), Hoganson
patent: 4375882 (1983-03-01), Schreiber, Jr.

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