Valve unit for controlling the delivery pressure of a gas
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United States of America Patent
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-
Dec 21, 1999
Grant Date -
N/A
app pub date -
Jan 23, 1997
filing date -
Apr 2, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A valve unit comprises a single electromagnetic actuator for controlling both an ON-OFF valve for cutting off the gas and a modulation valve; the latter is subject to independent resilient loads for regulating the minimum pressure delivered and for regulating the pressure up to the maximum pressure at the modulation stage.
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