METHOD OF BREAKING ICE COVER Russian patent published in 2003 - IPC

FIELD: ice-breaking jobs. SUBSTANCE: submarine vessel 2 excites resonance flexural gravitational waves 3 in ice 1 during her motion at resonance speed. After excitation of resonance flexural gravitational waves 3, speed of vessel 2 is reduced and at the moment when conning tower 5 of vessel reaches first oscillation loop 4 determined by means of echo sounder 6, speed of vessel is again increased to previous magnitude and conning tower planes 8 are placed in vertical position. EFFECT: enhanced efficiency. 1 dwg