FIELD: machine building.
SUBSTANCE: invention can be used in internal combustion engines with turbo-superchargers with compressors. Method of operation of the engine consists in providing basic line (202) of surging of the compressor and line (204) of soft surging of the compressor. Work is performed with combination of compressor surge line (202) and compressor soft (204) surging line into combined compressor surge line (230). Recirculation valve is controlled in accordance with the combined compressor surge line (230) of the compressor. Embodiments of engine operation method and engine system are disclosed.
EFFECT: technical result consists in reduction of compressor surging.
13 cl, 4 dwg
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