Compressed fluid saving device
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United States of America Patent
Stats
-
Sep 2, 1986
Issued Date -
N/A
app pub date -
Jun 12, 1985
filing date -
Mar 19, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a compressed fluid saving device positioned between the outlet of a distributor and the admission of a pneumatic jack. The device comprises a valve which is kept open, to allow the flow of driving fluid into one chamber of the jack from the start and right through the stroke, by the exhaust back-pressure escaping from the other chamber of the jack, and acting on the piston of said valve. When the back-pressure disappears, the valve closes under the action of a screw-adjustable spring.
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Family
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