System for compensating heaving for an element hooked onto movable equipment

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...

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Bibliographische Detailangaben
1. Verfasser:	Mabile, Claude
Format:	Patent
Sprache:	eng
Schlagworte:	CAPSTANS CRANES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING EQUIPMENT FOR SHIPPING FIXED CONSTRUCTIONS HAULING HOISTING HOISTS LIFTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TACKLES, e.g. PULLEY BLOCKS TRANSPORTING WINCHES
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Beschreibung
Zusammenfassung:	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.