FIELD: engines and pumps.
SUBSTANCE: engine equipped with systems enabling the operation includes at least one working chamber equipped with two end covers. Inside the chamber there installed is at least one piston of double action with two working surfaces, which divides the working chamber at least in two working volumes. Piston is connected at least to one stock at least of one movement converter without a piston rod, which provides the piston with the hold at dead points; at that, recovery system is pneumatic and provided with a receiver, and working chamber has the possibility of operating in compressor mode. Hold of piston is provided with the conditions for qualitative gas exchange, immediate injection and complete combustion of fuel mixture. Several operating modes of the engine are possible: as internal combustion engine, as wheel-driven compressor, as engine-driven compressor, and as pneumatic engine.
EFFECT: increasing economic and ecologic properties and specific power.
10 dwg, 23 cl
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