Electrically controlled flow regulator valve with transient dampening
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United States of America Patent
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Aug 24, 1999
Grant Date -
N/A
app pub date -
Apr 9, 1998
filing date -
Apr 9, 1998
priority date (Note) -
Expired
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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.
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