Method and apparatus for damping an actuator on a fluid regulator
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United States of America Patent
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Jan 12, 2016
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app pub date -
Sep 14, 2012
filing date -
Sep 14, 2012
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Abstract
A damped actuator for a fluid regulator includes a diaphragm disposed in a housing, and a damper arranged to stabilize movement of the diaphragm in response to changes in pressure inside the housing. The damper includes a ball check valve arranged to allow air to exhaust out of the housing when above a preselected pressure. The damper may include interchangeable components so as to be modifiable to have different set point pressures to achieve different backpressures inside the housing.
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