FIELD: machine building.
SUBSTANCE: invention can be used in supercharged internal combustion engines. Method for supercharged engine (10) consists in directing periodic signal to compressor bypass valve (CBV) (152) of compressor (122), (132). Throttling condition of compressor bypass valve (152) is shown on the basis of pressure changes at inlet of inlet throttle (158) in response to periodic signal. Invention discloses embodiment for engine with supercharge and engine system.
EFFECT: technical result consists in more reliable detection of recirculation valve condition deterioration.
20 cl, 8 dwg
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