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2 139 809

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C1

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IPC

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Application

99105215/28, 1999-03-16

(24)

Start date

1999-03-16

(22)

Actual filing date

1999-03-16

(45)

Published

1999-10-20

(72)

Inventor

Kozin V.M.

(73)

Holder

Institut Mashinovedenija I Metallurgii Dvo Ran

METHOD OF BREAKING ICE COVER Russian patent published in 1999 - IPC

Abstract RU 2139809 C1

FIELD: shipbuilding; submerged vessels breaking ice cover by resonance flexure gravitational waves. SUBSTANCE: method consists in creation of hydraulic impact under ice by feeding air under ice to area of top of waves behind ship's hull at the moment of beginning of breaking ice cover. EFFECT: enhanced efficiency of ice breaking. 2 dwg

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RU 2 139 809 C1

Authors

Kozin V.M.

Dates

1999-10-20—Published

1999-03-16—Filed

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