The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 04, 1989
Filed:
Dec. 15, 1987
Hans Kuehn, Hamburg, DE;
Bomag-Menck GmbH, Boppard, DE;
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.