MOTOR BOAT Russian patent published in 2011 - IPC B63B35/73 B63H21/12 F02B61/04 

FIELD: transport.

SUBSTANCE: invention relates to ship building. Motor boat comprises hull, cabin, cockpit, internal control station, power plant, shut-off clutch with forward and reverse reduction gear, propeller screw and control mechanisms. Power plant is made up of several identical units. Each unit is made up of hollow vertical torus accommodating valve in its top section and with its bottom section communicated with the inlet and outlet chambers of screw propulsor. Rotors of all propulsors are fitted on common shaft. Torus central part is provided with water-tube heater arranged on one side with its furnace communicated with pump unit that comprises air heater, injector, fluid fuel feed pump, igniter and drive motor. Tor opposite side is provided with water-tune cooler communicated with cooling system that comprises compressor, cooling radiator, drying filter, capillary nozzle opened inside evaporator case and drive motor. Cooling system is filled with Freon. Inner chamber of each torus is filled with low-boiling fluid, a working medium of power plant. Power plant control mechanisms are connected with water-tube heater fuel and air feed control system and water-tube cooler cooling degree control system.

EFFECT: reduced heat losses, fuel savings and increased self-dependency of navigation.

6 dwg