Icebreaking vessel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 16, 2015
Grant Date -
Oct 6, 2011
app pub date -
Mar 31, 2011
filing date -
Mar 31, 2010
priority date (Note) -
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Abstract
A vessel and method for breaking ice drifting in a predominant direction relative to an offshore installation such as a drilling vessel. The vessel is used to deploy an anchor in a position at a distance from the offshore installation and in a direction which, seen from the offshore installation, is substantially in parallel with the direction of movement of the ice. By means of the machinery of the vessel, the direction of the anchor line is adjusted and so is the orientation of the vessel relative to the anchor line to the effect that the propellers can be used to crush and dispose of the ice without using motive energy to hold the vessel against the pressure of the ice.
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