Vacuum system for motor vehicles, comprises component which is connected to a venturi nozzle which is arranged inside the suction pipe

摘要

The system comprises a component which requires vacuum, and which uses the suction pipe (1) of the engine as vacuum source. The component is connected to a venturi nozzle (2) which is arranged inside the suction pipe. The venturi nozzle is coaxially arranged in the suction pipe, and its flow cross-section (18) is only partially covered. The venturi nozzle, in the flow direction, is arranged after the throttle valve in the suction pipe.