Pressure regulator with outlet overpressure security
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United States of America Patent
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Sep 5, 2023
Grant Date -
Jun 1, 2023
app pub date -
Feb 23, 2021
filing date -
Feb 26, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A regulator for compressed gas, comprising a body with a gas inlet, a gas outlet and a gas passage fluidly interconnecting the gas inlet and gas outlet; a pressure reducer with, in the gas passage, a shut-off device and a movable assembly operatively connected to the shut-off device and delimiting with the body a regulating chamber downstream of the shut-off device; a pressure relief device in the gas passage downstream of the regulating chamber; and a flow restriction in the gas passage upstream of the shut-off device, dimensioned for reducing the gas pressure at the gas outlet under a maximum pressure value when the pressure relief device is opened and the shut-off device is opened.
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