Flow control valve assembly minimizing generation and entrapment

Details Flow control valve assembly minimizing generation and entrapment Flow control valve assembly minimizing generation and entrapment

1991-07-12

1992-11-24

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

With means to bias valve open

25112917, 251303, 251368, 137901, F16K 3106

Patent

active

051656558

ABSTRACT:
A hermetically sealed, precision fluid valve assembly including a ball valve element is disclosed. The assembly includes a valve element retainer comprising a thin, flexible member having a first portion operatively associated with the valve element and a second portion, extending from the first, secured to the body of the valve assembly. The valve element retainer guides the motion of the valve element and is designed to reduce friction and eliminate the generation and entrapment of contaminants, thereby minimizing hysteresis in the operation of the valve.

REFERENCES:
patent: 2349209 (1944-05-01), Taylor
patent: 4558587 (1985-12-01), Fruzzetti
patent: 4852605 (1989-08-01), Gouhier
patent: 4911405 (1990-03-01), Weissgerber

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