FIELD: engines and pumps.
SUBSTANCE: present invention may be used in turbocharged internal combustion engines. Engine system comprises engine 110, first and second compressors (122) and (132) supplying air into engine (110), and first and second recirculation valves (152) and (153). Compressor (122) first recirculation valve (152) is made controlled on two limitation levels. Compressor (132) second recirculation valve (153) is made controlled on three or more limitation levels. Disclosed are method versions for supercharged engine with first and second compressors.
EFFECT: technical result consists in prevention of compressor oscillations upsurge while providing supercharging sufficient value to satisfy required power.
20 cl, 3 dwg
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