System for compensating heaving for an element hooked onto movable equipment
AssigneeIfp Energies Nouvelles
InventorClaude MABILE
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Abstract
The present invention relates to a motion compensation system for an element hanging from a mobile unit, the system comprising two blocks, at least two articulated arms, a compensation cylinder and a cable. According to the invention, at least one characteristic length of the articulated system (for example: the length of a link or the distance between two sheaves of two articulated arms) is adjusted according to the motion to be compensated for.
Claims15
A motion compensation system for an element hanging from a mobile unit, said system comprising a first block and a second block for hanging said element, said first block being connected to said mobile unit by at least two articulated arms, each articulated arm comprising at least one sheave, said system comprising a cable fastened to retaining means and running through the sheaves of said articulated arms and through said first and second blocks, said system further comprising at least one compensation cylinder linked to said first block and to said mobile unit, characterized in that it comprises a means for adjusting at least one characteristic length of said articulated arms according to said motion.
Dependencies are inferred from the claim text.