FIELD: engines and pumps.
SUBSTANCE: invention discloses the turbosupercharger bypass valve control. In compliance with one version, turbosupercharger bypass valve is opened at engine cold starting to down the turbosupercharger rotor rpm. This allows decreasing the noise created by turbosupercharger at starting and operation.
EFFECT: decreased noise, vibrations and LF oscillations.
15 cl, 4 dwg
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