Jack-up platform
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United States of America Patent
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Jun 4, 2013
Grant Date -
Oct 18, 2012
app pub date -
Feb 10, 2012
filing date -
Mar 20, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A jack-up platform (1) has a hull (2) and at least three longitudinally movable support legs (3) for the hull (1), at least one of the support legs (3) has at least one variable speed drive (8, 8A1 to 8F2) as a part of a leg driving mechanism, wherein the platform (1) has a closed-loop control unit (7) for the driving mechanism, the closed-loop control unit (7) being connected with the variable speed drive (8, 8A1 to 8F2) via a bi-directional electronic bus (16) for transmitting control parameters (M*,M,N,R).
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