FIELD: machine building.
SUBSTANCE: invention can be used in systems of vehicles using vacuum. Method for engine (12) is that, through controller (50) point to open check valve (74) positioned in the channel (84) connecting vacuum reservoir (38) to intake manifold (24) when the vacuum in intake manifold (24) exceeds the vacuum level in vacuum tank (38) by an amount greater than the threshold level. In response to the instruction, actively controlled valve (91) is closed upstream of aspirator's (160) stimulating inflow (162). Outlet (164) of mixed aspirator (160) flow is connected to channel (84) between stop valve (74) and intake manifold (24). Version of the method for the engine and an engine system are disclosed.
EFFECT: technical result consists in reducing the noise from the aspirator in the formation of rarefaction.
18 cl, 3 dwg
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