FIELD: engines and pumps.
SUBSTANCE: proposed ICE comprises compression ratio variator and valve open-close moment controller. Compression ratio in operation at low load as compared to that at high load increases while alcohol-bearing fuel is used as the fuel. Compression ratio at low load engine decreases when alcohol concentration in fuel is high as compared with low alcohol concentration in said fuel.
EFFECT: ruled out overexpansion in using alcohol-bearing fuel.
6 cl, 26 dwg
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