Pressure regulator
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United States of America Patent
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Dec 29, 2015
Grant Date -
Mar 20, 2014
app pub date -
Sep 11, 2013
filing date -
Sep 14, 2012
priority date (Note) -
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Abstract
A pressure regulator includes a body having a gas inlet for a gas having an inlet pressure and a gas outlet for the gas having an outlet pressure lower than the inlet pressure and a passage connecting the outlet to the inlet. A regulator piston is arranged to control the outlet pressure of the gas by moving closer to and further away from a pressure regulator seat, and a regulating elastic element is arranged to bias the regulating piston in a direction away from the pressure regulator seat, against the force of gas at outlet pressure acting on the regulator piston in a direction towards the pressure regulator seat. The passage is fluidly connected to a floating piston, arranged to move in response to increased inlet pressure by compressing a stabilizing elastic element. The stabilizing elastic element is connected to the regulating elastic element via a connection element.
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