METHOD OF BREAKING ICE COVER Russian patent published in 2002 - IPC

Abstract RU 2188897 C1

FIELD: ice-breaking jobs. SUBSTANCE: hovercraft 2 is set in motion at excitation of flexural gravitational waves in ice at resonance speed which is determined by maximum increment (as compared with motion over hard horizontal surface) increment of intensity of electric current excited by piezoelectric elements fitted in thrust bearing of propeller 3. EFFECT: enhanced efficiency of determination of speed at which ice broken intensively. 2 dwg

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RU 2 188 897 C1

Authors

Kozin V.M.

Pogorelova A.V.

Dates

2002-09-10Published

2001-02-13Filed