FIELD: internal combustion engines.
SUBSTANCE: invention can be used in fuel control systems for internal combustion engines (ICE). Disclosed is method of operation of self-ignition internal combustion engine (10), which is intended for operation with first fuel (diesel fuel) and / or with second fuel (gas fuel) or with mixture of two fuel. In the method, in the first operating mode, the internal combustion engine operates in the first partial range (58) of possible values of load-rotation speed with the mixture of the first and second fuel essentially stoichiometrically. And in the second partial range (60) of possible values of load and rotation speed, which is different from the first partial range (58), the engine only operates with the first fuel. In case of occurrence of detonation combustion, the share of the second (gas) fuel is reduced.
EFFECT: invention is aimed at improvement of operating characteristics of engine operating on two types of fuel.
9 cl, 3 dwg
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