Gas-pressure controller
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United States of America Patent
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-
Sep 23, 1997
Grant Date -
N/A
app pub date -
Oct 10, 1995
filing date -
Apr 13, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The gas-pressure controller according to the present invention is characterised in that an obturator disc (9) is connected to a valve spindle (7) on the inlet side so that it can move axially. The obturator disc (9) is pressed by an elastic component in the 'open' direction and opens to give a flow channel (3) when the output pressure is above a minimum value. The obturator disc (9) closes off the flow channel (3) when the output pressure drops below the minimum value leaving an extremely small flow aperture (12). The gas-pressure controller proposed is intended for use in medium-pressure applications. The controller starts up again automatically after a gas failure.
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