Icebreaker vessel

Details Icebreaker vessel Icebreaker vessel

1975-02-21

1976-10-12

Kunin, Stephen G.

Ships

Ice breakers

114 56, B63B 3508

Patent

active

039850919

ABSTRACT:
An icebreaker vessel formed of a pontoon-shaped forecastle, a wedge-shaped ship bottom with a center keel, at least one pair of additional marine propulsion and steering systems along the ship bottom on either side of the keel, trimming devices for lifting or lowering the forecastle by predetermined amounts, and driven wheel assemblies mounted along both sides of the forecastle. The pontoon-shaped forecastle portion is of a larger width than the remaining part of the ship's hull. The additional marine propulsion and steering systems may consist of Voith-Schneider propellers or of one or several pairs of jet propulsion units. Portions of the forecastle and the wheel assemblies may be heated by hot cooling water supplied from the vessel's engines.

REFERENCES:
patent: 2401126 (1946-05-01), Weaver et al.
patent: 2883957 (1959-04-01), Ehinger
patent: 2953113 (1960-09-01), Baer
patent: 3438350 (1969-04-01), Gallin
patent: 3636904 (1972-01-01), Blanchet
patent: 3742893 (1973-07-01), Stelling

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