SUBMARINE Russian patent published in 1997 - IPC

FIELD: coast defence. SUBSTANCE: submarine is provided with ramjet water-and-gas engine and propeller for surface and submerged running. Ballast tank is used as reservoir for fresh and sea water; flexible partition separates fresh water for sea water. This partition is mounted horizontally. It separates upper portion of tank containing fresh water from its lower portion containing ballast water. Flexible partition may sag up and down thus making it possible to fill the entire tank with fresh or sea water. Engine is provided with spherical combustion chamber with ball- shaped thermoinertial evaporator mounted in its central portion. Combustion chamber is surrounded by dome-shape and circular chambers for feeding the compressed air or water to combustion chamber through radial tubes. Combustion chamber is also provided with injector for injection of diesel fuel and electric plug. EFFECT: enhanced reliability. 3 cl, 7 dwg