Method for driving a hydraulic submerged tool

Details Method for driving a hydraulic submerged tool Method for driving a hydraulic submerged tool

1989-03-14

1990-10-23

Yost, Frank T.

Tool driving or impacting

Processes

173 52, 173DIG1, 173DIG4, 175 6, E02D 710

Patent

active

049644734

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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patent: 4650008 (1987-03-01), Simson
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