ICE-TYPE TANKER HULL (VERSIONS) Russian patent published in 2006 - IPC B63B25/12 B63B35/08 B63B3/20 B63B3/60 

FIELD: shipbuilding; construction of ice-type tankers.

SUBSTANCE: tanker hull has bottom, inner bottom, vertical sides, ballast tanks, upper deck and cargo zone with cargo tanks located on larger part of its length. Sides are of double construction on larger part of length of cargo zone and are provided with ice strengthening members and outer and inner plating forming inter-side space divided vertically by upper inter-side platform located in upper third of tank height. Inner plating of side in some tanks is structurally combined with respective longitudinal bulkheads directed towards it. Longitudinal bulkheads are flat in construction and are provided with vertical pillars on section extending from double bottom as far as upper inter-side platform and with longitudinal stiffeners on section from upper inter-side platform as far as upper deck; framing members are located inside inter-side space.

EFFECT: enhanced damage resistance and durability of tanker.

17 cl, 4 dwg