TWO-STROKE PISTON ENGINE Russian patent published in 2014 - IPC F02B33/22 F02B29/06 

FIELD: engines and pumps.

SUBSTANCE: proposed engine comprises working cylinders with intake openings, bypass valves, air compression chamber with discharge openings, pistons with con-rods of working cylinders, piston with con-rods and levers of compressor, crankshaft with compressor drive driving gear, compressor crankshaft with driven gear, cylinder head with compressor intake valves, discharge valves, fuel nozzles and combustion chambers. In compliance with this invention, air is fed from compressor compression chamber into working cylinder via compressor discharge opening, bypass valve and working cylinder intake opening at exhaust stroke at purge of working cylinder and at intake and compression strokes at filling of working cylinder. With compressor piston at TDC, working cylinder piston cuts off the intake opening to close the bypass valve.

EFFECT: higher efficiency.

5 dwg