Bottom construction for a ship

Details Bottom construction for a ship Bottom construction for a ship

B - Operations, Transporting

63

B

114/11

B63B 35/08 (2006.01)

Patent

CA 1276508

ABSTRACT The invention relates to a ship that is adapted for operating in ice-filled waters and has a general frame form defining a substantially horizontal bottom surface, two side surfaces, a stern and a bow portion that breaks the ice advantageously. The bottom surface comprises one or a greater number of cavities, extending to or located on both sides of the longitudinal symmetry plane of the ship, in which cavity or cavities there are arranged movable sheetlike elements. The sheetlike elements have a first position, in which said elements form a generally continuous part of the bottom surface, and a second position, in which said elements form, below the bottom surface, a substantial- ly vertical wedge-shaped structure that converges in the direction from the stern of the hull towards the bow of the hull. The elements are provided with power units which effect said elements to bring about their movement from one position to another, said movement taking place by means of turning around a swivelling axis arranged in the longitudi- nal direction of said elements.

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