Icebreaking method and icebreaker

Details Icebreaking method and icebreaker Icebreaking method and icebreaker

1998-02-26

1999-12-07

Basinger, Sherman

Ships

Ice breakers

114 41, B63B 3508

Patent

active

059965207

ABSTRACT:
A relatively wide vessel is assisted through an ice field by an icebreaker having a relatively narrow hull. The icebreaker includes two steerable propulsion mechanisms at the opposite ends respectively of the hull, and the propulsion mechanisms are used to propel the icebreaker through the ice field in a direction at a substantial angle to its keel line, thereby opening in one pass of the icebreaker a passage having a width substantially greater than the waterline width of the icebreaker.

REFERENCES:
patent: 4170187 (1979-10-01), Schirtzinger
patent: 4350114 (1982-09-01), Schirtzinger
patent: 5038695 (1991-08-01), Varges
patent: 5218917 (1993-06-01), Harjula et al
patent: 5403216 (1995-04-01), Salmi et al.

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