FIELD: engines and pumps.
SUBSTANCE: internal combustion engine (ICE) with split cycle includes crankshaft (52), compression (72) and expansion (74) pistons, compression (66) and expansion (68) cylinders, bypass channel (78, 79) and fuel injector (96). Compression piston (72) performs inlet and compression strokes per one revolution of crankshaft (52). Expansion piston (74) performs expansion and outlet strokes per one revolution of crankshaft (52). Bypass channel (78, 79) that connects compression (66) and expansion (68) cylinders and includes compression (86) and expansion (88) bypass valves with high pressure cavity between it. Fuel injector (96) is installed in pressure cavity of bypass channel (78, 79). Fuel injection with fuel injector (96) to bypass channel is performed fully during compression stroke of compression piston (66). Also, method for increasing air pressure in engine with split cycle is described. It consists in fuel injection with fuel injector (96) to bypass channel fully during compression stroke of compression piston.
EFFECT: reducing flammable mixture temperature at inlet and better mixing of air with fuel.
17 cl, 12 dwg
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