Method for driving a hydraulic submerged tool
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United States of America Patent
Stats
-
Oct 23, 1990
Grant Date -
N/A
app pub date -
Mar 14, 1989
filing date -
Mar 15, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method for driving a hydraulic submerged tool whereby the hydraulic pressure energy is generated in a submerged power converter, being driven by pressurized surrounding water which after the energy transfer is exhausted into the surrounding water, said power converter consisting of one or more work cylinders (1, 2), each by means of a floating piston (3, 4) being divided in a space (5, 6) filled with the pressurized surrounding water and a space (7, 8), filled with a hydraulic work medium, switching means (17, 18) being provided, for alternately connecting said space (5, 6) either to a feed conduct (13) for pressurized surrounding water, or to an exhaust (14).
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