Pressure regulator

Details Pressure regulator Pressure regulator

G - Physics

05

D

G05D 16/02 (2006.01) G05D 16/06 (2006.01)

Patent

CA 2154685

A pressure regulator includes a housing hav- ing a chamber that receives a pressure responsive member (30). The pressure responsive member (30) includes an internal charge (90) that allows a movable portion (68) of the regulator to react in response to pressure differentials. A preferred embodiment of the regulator includes a dampening member defined by an o-ring (82) that exerts a drag on the pressure responsive member (30) to address oscillations associated with high flow rates. The dampening force can be varied according to the sub- ject invention. Moreover, a normally planar poppet retaining member reduces manufacturing costs of the regulator and allows for a highly polished sur- face to address concerns with impurities. A biasing arrangement (120) is also incorporated into the reg- ulator to assure that the poppet (68) seals against the valve seat (70) if the internal pressure charge of the regulator is lost.

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