Pressurized fluid mechanism with two cubic capacities and closed circuit applying same
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United States of America Patent
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-
Mar 26, 1991
Grant Date -
N/A
app pub date -
Oct 16, 1989
filing date -
Oct 19, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a hydraulic motor capable of presenting two active cubic capacities of different values, as described in FR-A-2 481 755, and comprising in particular a shuttle valve presenting an inner conduit, wherein a bleeding conduit is arranged in the member for selecting the cubic capacity and communicates with the inner conduit of the shuttle valve, which it connects to an evacuation, while a calibrated restriction is disposed in the bleeding conduit. One application is the production of refrigeration of the hydaulic fluid for supplying this mechanism in closed circuit.
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