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2 735 190

(13)

(51)

IPC

B63B35/08(2006-01-01)

(21) (22)

Application

2020113867, 2020-04-03

(24)

Start date

2020-04-03

(22)

Actual filing date

2020-04-03

(45)

Published

2020-10-28

(72)

Inventor

Kozin Viktor Mikhajlovich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Uchrezhdenie Nauki Khabarovskij Federalnyj Issledovatelskij Tsentr Dalnevostochnogo Otdeleniya Rossijskoj Akademii Nauk

METHOD OF ICE COVER DESTRUCTION Russian patent published in 2020 - IPC B63B35/08

Abstract RU 2735190 C1

FIELD: navigation.

SUBSTANCE: invention relates to navigation in ice conditions. Essence of invention consists in excitation of flexural-gravity waves in ice when underwater ship under ice moves at resonant speed. During movement of ship, its hinge and stern horizontal rudders are periodically shifted to positive and negative angles of attack in antiphase relative to each other with frequency of resonance flexural-gravity waves. Pitching moments arising at that are canceled due the ballast tanks.

EFFECT: enabling increase in the ice cover destruction efficiency.

1 cl

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RU 2 735 190 C1

Authors

Kozin Viktor Mikhajlovich

Dates

2020-10-28—Published

2020-04-03—Filed