Icebreaking additional propulsion system and icebreaking...

Details Icebreaking additional propulsion system and icebreaking... Icebreaking additional propulsion system and icebreaking...

B - Operations, Transporting

63

B

B63B 35/08 (2006.01)

Patent

CA 2693328

An icebreaking additional propulsion system includes at least one retractable thruster capable of vertically moving into and out of a hull of a ship. The retractable thruster includes a pair of guide rods vertically installed within the hull, a column vertically movable along the guide rods, a drive unit mounted to an upper end of the column for vertically moving and swiveling the column, and a propeller attached to a lower end of the column for generating propelling power.

L'invention concerne un système de propulsion supplémentaire pour navire brise-glace comprenant au moins un propulseur rétractable capable de se déplacer verticalement dans et hors d'une coque de navire. Le propulseur rétractable comprend une paire de tiges de guidage installées verticalement à l'intérieur de la coque, une colonne verticalement mobile le long des tiges de guidage, une unité d'entraînement montée sur une extrémité supérieure de la colonne pour se déplacer verticalement et faire basculer la colonne, et une hélice fixée à une extrémité inférieure de la colonne pour générer une puissance de propulsion.

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