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公开(公告)号：USD780296S1
公开(公告)日：2017-02-28
申请号：US29533486
申请日：2015-07-17
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公开(公告)号：USD821302S1
公开(公告)日：2018-06-26
申请号：US29530829
申请日：2015-06-19
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公开(公告)号：USD796006S1
公开(公告)日：2017-08-29
申请号：US29591037
申请日：2017-01-16
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公开(公告)号：USD796005S1
公开(公告)日：2017-08-29
申请号：US29591032
申请日：2017-01-16
-
公开(公告)号：USD802095S1
公开(公告)日：2017-11-07
申请号：US29591034
申请日：2017-01-16
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公开(公告)号：USD796634S1
公开(公告)日：2017-09-05
申请号：US29591029
申请日：2017-01-16
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公开(公告)号：USD821546S1
公开(公告)日：2018-06-26
申请号：US29622740
申请日：2017-10-19
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公开(公告)号：USD795392S1
公开(公告)日：2017-08-22
申请号：US29591027
申请日：2017-01-16
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公开(公告)号：US10273978B2
公开(公告)日：2019-04-30
申请号：US14830864
申请日：2015-08-20
申请人： David E. Fletcher , Brian M. Graichen , James H. Miller , Rex Bravo , Matthew C. Gilmer , Keith Hampton , Andrew D. Niedert , Denis Vashuk
发明人： David E. Fletcher , Brian M. Graichen , James H. Miller , Rex Bravo , Matthew C. Gilmer , Keith Hampton , Andrew D. Niedert , Denis Vashuk
摘要： An evacuator for supplying vacuum to a device in a boosted engine air system is disclosed. The evacuator defines a body comprising a converging motive section, a diverging discharge section, at least one suction port, and a Venturi gap located between an outlet end of the converging motive section and an inlet end of the diverging discharge section. A lineal distance is measured between the outlet end and the inlet end. The lineal distance is decreased in length if higher suction vacuum at a specific set of operating conditions is required and the lineal distances is increased in length if higher suction flow rate at the specific set of operating conditions is required.
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10.发明授权公开(公告)号：US10024339B2
公开(公告)日：2018-07-17
申请号：US14725642
申请日：2015-05-29
申请人： David E. Fletcher , Brian M. Graichen , James H. Miller , Rex Bravo , Matthew C. Gilmer , Keith Hampton , Andrew D. Niedert
发明人： David E. Fletcher , Brian M. Graichen , James H. Miller , Rex Bravo , Matthew C. Gilmer , Keith Hampton , Andrew D. Niedert
CPC分类号： F04F5/54 , F02B37/162 , F04F5/16 , F04F5/20
摘要： Ejector assemblies and engine systems have a pressure regulator in fluid communication with an ejector. The pressure regulator receives boost pressure and selectively allows the boost pressure to pass through a valve opening therein under selected engine conditions and into the ejector as regulated boost pressure. Both the pressure regulator and the ejector each have a conduit defining a passageway that includes a Venturi gap separating the passageway into a converging section and a first diverging section that both narrow toward the Venturi gap. The pressure regulator has a piston operatively connected to a valve mechanism positioned for movement therewith to control the passage of the boost pressure through the valve opening, and the valve mechanism defines a passage therethrough that includes a gradually narrowing portion that is narrower than the valve opening.
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