Title:
ICEBREAKING VESSEL AND METHOD OF BREAKING ICE
Document Type and Number:
WIPO Patent Application WO/2011/120527
Kind Code:
A3
Abstract:
To keep the water around an off-shore installation (1) free from a harmful impact of ice, a vessel (5) is used to deploy an anchor (6) in a position at a distance from the off-shore installation (1) and in a direction which, seen from the off-shore installation (1), is substantially in parrallel with the direction of movement (P) of the ice. By means of the machinery of the vessel, which preferably comprises azimuth propellers, 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 thenpropellers can be used to crush and dispose of the ice without using energy to hold the vessel up against the pressure of the ice.
Inventors:
ELMBO NIELS PETER (DK)
Application Number:
PCT/DK2011/050104
Publication Date:
November 17, 2011
Filing Date:
March 31, 2011
Export Citation:
Assignee:
MAERSK SUPPLY SERVICE AS (DK)
ELMBO NIELS PETER (DK)
ELMBO NIELS PETER (DK)
International Classes:
B63B21/50; B63B35/08; E02B17/00
Domestic Patent References:
| WO2009099337A1 | 2009-08-13 | |||
| WO2007136273A1 | 2007-11-29 | |||
| WO2010103170A2 | 2010-09-16 | |||
| WO2008116964A1 | 2008-10-02 |
Foreign References:
| US3872814A | 1975-03-25 | |||
| FR2924677A1 | 2009-06-12 | |||
| US3965835A | 1976-06-29 |
Attorney, Agent or Firm:
LUND OLSEN, Lau (Hellerup, DK)
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