METHOD OF BREAKING THE ICE COVER Russian patent published in 2023 - IPC B63B35/08 

FIELD: navigation in ice conditions.

SUBSTANCE: when implemented during the movement of the vessel, outboard water is sucked into the vessel using a pump located in its water flow channel, while the water intake part of the channel is located on the upper surface of the bow of the vessel at the location of the foot of the flexural-gravity wave, and the channel outlet is in the stern extremity. The pump is turned on and off periodically with the frequency of resonant flexural-gravity waves for a time equal to half their period. The flow of water leaving the channel is directed under the maximum peak of the flexural-gravity waves.

EFFECT: excitation of additional resonant bending-gravity waves in the ice, which will increase the ice-breaking ability of the vessel.

1 cl, 1 dwg