Icebreaker attachment

Details Icebreaker attachment Icebreaker attachment

1996-05-10

1997-08-26

Sotelo, Jesus D.

Ships

Ice breakers

114248, B63B 3508

Patent

active

056601310

ABSTRACT:
A self-powered icebreaker attachment for connection to a parent vessel. In the preferred embodiment, the icebreaker attachment includes a spoon-shaped bow, an ice knife positioned aft of the bow, and a propulsion system including fully rotatable Z-drives. Preferably, the icebreaker attachment is itself a flotable vessel whose propulsion system can be coordinated with the propulsion system of the parent vessel to minimize ice-breaking-related forces on the parent vessel. The propulsion systems of the two vessels can be controlled by either the crew of the parent vessel or of the icebreaker attachment vessel.

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patent: 4326476 (1982-04-01), Pole
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patent: 5038695 (1991-08-01), Varges
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patent: 5218917 (1993-06-01), Harjula et al.
patent: 5325803 (1994-07-01), Jans et al.
patent: 5460110 (1995-10-01), Eronen et al.
Model and Full-Scale Tests with an Innovative Icebreaker Bow, Transactions, vol. 94, pp. 325-351, (1986).

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