Submergible electrohydraulic drive unit for ramming and working

Details Submergible electrohydraulic drive unit for ramming and working Submergible electrohydraulic drive unit for ramming and working

1987-12-15

1989-04-04

Yost, Frank T.

Tool driving or impacting

Convertible

1731621, 173DIG1, 405228, 175 6, E02D 706, E02D 718

Patent

active

048177342

ABSTRACT:
A submergible electrohydraulic drive unit is a multi-purpose device for driving different underwater ramming and working devices and has a housing with a throughgoing central receiving space for a ramming pile or a respective ramming or working device, ring-shaped upper and lower supporting plates, an outer wall, an inner wall which forms the receiving space, and a plurality of pump units arranged between the inner wall and the outer wall and each having a hydraulic pump and an associated electric motor and individually or jointly limitedly movably spring-biased relative to the housing, one supporting plate having means for exchangeably mounting said device adjusted relative to said receiving space.

REFERENCES:
patent: 4043405 (1977-08-01), Kuhn
patent: 4479550 (1984-10-01), Kuhn et al.

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