MOTOR BOAT Russian patent published in 2012 - IPC B63H23/00 B63H21/14 F01C1/00 

FIELD: transport.

SUBSTANCE: invention relates to ship building. Motor boat comprises hull, cabin, power plant, forward and reverse reduction gearbox, disengaging coupling, propeller screw and internal control station. Power plant represents a rotary-piston diesel including frame, horizontal cylinder stopped by front and rear covers with aligned inlet and discharge openings communicated via pipelines with exhaust tubes and rotary air blower. Said cylinder accommodates Z-shaped rotor with seals make integral with the shaft with ends fitted into openings of said covers. Rotor opposite ends are provided with triangular ledges with their apices facing the side opposite to rotor rotation. Pistons with seals made up of segments with their spherical surfaces turned to cylinder inner surface are arranged on rotor opposite sides to displace radially thereabout. Every piston has ledge and inclined guide to enter the slot, and rotor inclined channel. Rotor and pistons are mounted in transverse plane with respect to the shaft. Pistons with rotor make two combustion chambers furnished with injectors connected with fuel feed system. Rotor free ends carry flywheel, air blower rotor and drive gear to engage with high-pressure fuel, oil and water pump drive gears. Starter gear engages with flywheel rim.

EFFECT: higher engine efficiency, reduced vibration.

21 dwg