FIELD: engines and pumps.
SUBSTANCE: rotary ICE comprises expansion piston, compression piston, combustion and expansion chamber 1, compression chamber 2α, 2β and pressure chamber 3α, 3β. Combustion and expansion chamber 1 may receive expansion piston. Compression chamber 2α, 2β may receive compression piston. Expansion piston circular trajectory radius exceeds that of compression piston. Expansion piston circular trajectory radius is selected to be maximum possible proceeding from engine size. Compression piston circular trajectory radius is selected to be minimum possible proceeding from engine shaft radius. Pressure chamber 3α, 3β is arranged to allow fluid to pass between compression chamber 2α, 2β and combustion and expansion chamber 1. Pressure chamber 3α, 3β may communicate compression chamber 2α, 2β and combustion and expansion chamber 1 by intaking air or fuel-air mix under pressure.
EFFECT: higher engine torque.
14 cl, 25 dwg
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