Method for breaking ice, motor-driven watercraft and its use

B - Operations – Transporting – 63 – B

Patent

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Details

B63B 35/12 (2006.01) B63B 35/08 (2006.01)

Patent

CA 2628713

The invention relates to a method for breaking ice with a motor-driven watercraft with three hulls, i.e. a trimaran (4), comprising a middle hull (3), a propulsion device (9), a right (1 ) and a left (2) side hull and a deck (5), where said three hulls are attached. In the method according to the invention ice is broken with the middle hull (3) of the trimaran. The invention also relates to a motor-driven watercraft with three hulls, i.e. a trimaran (4), comprising a middle hull (3), a propulsion device (9), a right (1) and a left (2) side hull and a deck (5), where said three hulls are attached. In the trimaran (4) according to the invention the propulsion device (9) is arranged in the middle hull (3) and a keel (7) in the longitudinal direction of the middle hull is arranged in the bow (3a) of the bottom of the middle hull for breaking ice. The invention also relates to the use of a trimaran (4) for breaking ice.

La présente invention concerne un procédé pour briser la glace avec un bateau à moteur à trois coques, à savoir un trimaran (4), qui comprend une coque médiane (3), un dispositif de propulsion (9), une coque de côté droit (1) et gauche (2) et un pont (5), où sont fixées lesdites trois coques. Dans le procédé selon l'invention, la glace est brisée avec la coque médiane (3) du trimaran. L'invention concerne également un bateau à moteur avec trois coques, à savoir un trimaran (4), qui comprend une coque médiane (3), un dispositif de propulsion (9), une coque de côté droit (1) et gauche (2) et un pont (5) où sont fixées lesdites trois coques. Dans le trimaran (4) selon l'invention, le dispositif de propulsion (9) est agencé dans la coque médiane (3), une quille (7) étant agencée dans l'axe longitudinal de la coque médiane est agencée dans la proue (3a) du fond de la coque médiane pour briser la glace. L'invention concerne également l'utilisation d'un trimaran (4) pour briser la glace.

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