FIELD: engine devices and pumps.
SUBSTANCE: method for the engine (10) with turbocharge is that it provides dilution from dilution source (179) located at the engine inlet downstream of the throttle (159) in front of the compressor (121) and upstream of the intake throttle (114). Providing received dilution at the outlet of the unidirectional crankcase ventilation system (40), the inlet of which is connected to the engine inlet (10) upstream of the throttle (159) in front of the compressor (121). The valve opening amount (175) in the bypass conduit (173) is increased when the air flow in the intake passageway is larger than the threshold value, and the opening amount of the intake throttle (114) is greater than the threshold value. Invention versions are disclosed for engine with turbocahrge.
EFFECT: maintaining the required vacuum value under various engine operating conditions.
17 cl, 5 dwg
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