Automatic purger for a hydraulically controlled double diaphragm pump
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United States of America Patent
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-
Dec 24, 1985
Grant Date -
N/A
app pub date -
May 23, 1985
filing date -
May 25, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The automatic purger has an intermediate chamber (11) one of the walls of which is formed by an elastic diaphragm (10), termed front diaphragm, whereas the other wall is formed by a second elastic diaphragm (12), termed rear diaphragm. This chamber is connected to a purger (20) formed by a body (21) defining a small internal enclosure (22) in which an element (25), which is highly permeable to the gas, is disposed. The invention is applicable to a hydraulically controlled or actuated pump of the reciprocating or displacement type.
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