Icebreaker bow and hull form

Details Icebreaker bow and hull form Icebreaker bow and hull form

1991-08-30

1993-01-05

Basinger, Sherman

Ships

Ice breakers

B63B 3508

Patent

active

051760924

ABSTRACT:
An icebreaker ship has a V-shaped bow and an S-shaped stem line with a wedge extending from the bottom of the stem line below the design waterline of the ship towards the sides until maximum width is reached. The wedge is incorporated into the hull by means of a knuckle between the top of the wedge and the hull envelope of the ship. Upon breaking of the ice by the bow, the cusps of ice move downwardly into the water along the sides of the bow until the wedge is contacted. The cusps of ice are tripped and moved away from the ship's sides and under the unbroken ice, thus protecting the propellers and leaving a clearer channel behind the icebreaker.

REFERENCES:
patent: 3530814 (1970-09-01), Rastorguev
patent: 4715305 (1987-12-01), Wilkman et al.

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