Fluid control apparatus having variable area flow restrictor
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United States of America Patent
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Jun 11, 2019
Grant Date -
Aug 9, 2018
app pub date -
Apr 4, 2018
filing date -
Jul 6, 2015
priority date (Note) -
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Abstract
A fluid regulator having a valve body defining an inlet, an outlet, a loading port, an access port, and a loading chamber disposed within the valve body and coupled to the loading port. A valve assembly is at least partially disposed between the inlet and the outlet and in communication with the loading chamber and is adapted to cooperate with the loading chamber to adjust fluid flow at the outlet by adjusting a fluid flow rate between the inlet and the outlet. A restrictor is at least partially disposed within the access port and the loading chamber and the valve assembly are adapted to be responsive to a change in loading pressure such that a modified rate is achieved and the restrictor is adapted to adjust a response speed in which the modified rate is achieved.
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