EYES OF SHIP HULL WITH HIGHER ICEBREAKING CAPABILITY Russian patent published in 2014 - IPC B63B1/06 B63B35/08 

FIELD: transportation.

SUBSTANCE: invention relates to design of hull lines of a ship hull with higher icebreaking capability having a stem with a bulb. Eyes of a ship hull are proposed, having a bottom in the area of a midship frame with low or zero deadrise and boards close to vertical ones, comprising a bulb having in its upper part a straight or slightly bent rib, formed in the diametral plane during connection of the right and left surfaces of the bulb at the spatial angle of 30-150°, having an inclination forward to 30° to the plane of the waterline and crossing planes (levels) of the highest and lowest positions of the rated waterline of the ship in the head for different versions of its load. The upper surface of the bulb is made with gradual rise from its front part to the area of coupling with main hull lines, the length of the body part of the bulb in the longitudinal direction makes 4-5 theoretical spaces. Cross sections of the bulb vary slightly along the width from 1 to 3 of the theoretical frame. Coupling of the eyes with the bulb lines is made to form concavity of buttocks, stretching at the angle downwards from the start of coupling on the stem to the area of approximately 3-4 of the theoretical frame.

EFFECT: increased icebreaking capability of a ship and speed of its movement.

5 cl, 3 dwg