| 摘要 |
FIELD: shipbuilding; year-round transportation of passengers and cargoes in rivers and lakes covered with ice. SUBSTANCE: ship has underwater hull 1 with ballast tanks 2 and vertical hollow pillars 3 and 4 in which weather-works 6 is secured for possibility of change of fixed distance between it and underwater hull 1; heat-transfer agent is supplied inside vertical pillars for heating them; according to other version, pillars are provided with ice-cutting devices made in form of mills 11 for breaking layer of ice. EFFECT: extended functional capabilities. 4 cl, 3 dwg |
