1989-01-26
1990-07-24
Kashnikow, Andres
Ships
Ice breakers
114 42, B63B 3512, B63B 3508
Patent
active
049428373
ABSTRACT:
An icebreaker hull having laterally projecting hull components which define inclined upwardly and rearwardly sloped faces arranged in part above and in part below the vessels normal water line, and each hull component further including a longitudinally extending face cooperating with the inclined face to define a cutting edge. At least a second pair of similar projecting hull components adjacent the first components to define a second cutting edge downstream of the first cutting edge. One or more of these hull components may be movable from and to positions where they are stowed in streamline relationship to the hull.
REFERENCES:
patent: 3690281 (1972-09-01), Gray
patent: 3705564 (1972-12-01), Wilhelmsen
patent: 3931780 (1976-01-01), Waas
patent: 3983830 (1976-10-01), Morgan
patent: 4326476 (1982-04-01), Pole
patent: 4369725 (1983-01-01), Lord et al.
patent: 4436046 (1984-03-01), Braley
patent: 4506617 (1985-03-01), Waas et al.
patent: 4702187 (1987-10-01), Heideman et al.
patent: 4732101 (1988-03-01), Varges
Hellmann Jens-Holger
Holscher Richard
Janssen Hermann J.
Kleemann Alfred
Rupp Karl-Heinz
Kashnikow Andres
Thyssen Nordseewerke GmbH
Trainor Christopher G.
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