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    • 4. 发明公开
    • ASPIRATOR AND EJECTOR SYSTEM
    • ASPIRATOR UND EJEKTORSYSTEM
    • EP3022431A4
    • 2017-01-18
    • EP14826613
    • 2014-07-17
    • DAYCO IP HOLDINGS LLC
    • FLETCHER DAVEGRAICHEN BRIANGILMER MATTNIEDERT ANDYLONG STEVE
    • F02M35/10
    • F02M35/10229F02M35/10157Y02T10/144
    • An engine system having a flowpath between a junction upstream of a turbocharger and an intake manifold that includes an ejector and an aspirator connected in parallel relative to one another within the flowpath is disclosed. The motive flow through the ejector is in the opposite direction relative to the direction of the motive flow through the aspirator, and both the ejector and the aspirator have a suction port fluidly coupled to a device requiring vacuum. The engine system also includes a first check valve disposed in control of the motive flow through the ejector and a second check valve disposed in control of the motive flow through the aspirator and may also include a control valve in fluid communication within the flowpath upstream or downstream of the ejector and the aspirator that controls the flow into and/or out of both thereof.
    • 公开了一种发动机系统,其具有在涡轮增压器上游的接头与包括喷射器的进气歧管之间的流路和在流路内相对于彼此并联连接的吸气器。 通过喷射器的动力流动相对于通过抽吸器的动力流动的方向相反,并且喷射器和抽吸器都具有流体耦合到需要真空的装置的吸入口。 发动机系统还包括设置在控制通过喷射器的动力流动的第一止回阀和设置成控制通过吸气器的动力流动的第二止回阀,并且还可以包括在上游或下游的流动路径内流体连通的控制阀 的喷射器和吸气器,其控制流入和/或流出两者的流体。