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公开(公告)号：EP3215770A4
公开(公告)日：2018-07-11
申请号：EP15857143
申请日：2015-11-06
CPC分类号： F16J15/164 , B60T13/00 , F02M35/00 , F02M35/10229 , F16J15/025 , F16K15/02 , F16K15/023 , F16K15/141
摘要： Check valves are disclosed that have a housing defining an internal cavity having a first port and a second port both in fluid communication therewith, and having a first seat defined by a first elastomeric V-ring seal and a second seat. and a check valve plate within the internal cavity that is translatable, in response to pressure differentials, between a closed position against the first seat and an open position against the second seat within the internal cavity of the housing. The first elastomeric V-ring seal includes a body having an interference fit to an annular channel defined by the housing and a lip extending from the body in a direction that defines a generally V-shaped void, viewed in cross-section, opening in a direction away from and generally perpendicular to the flow through the elastomeric V-ring seal into the internal cavity.
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公开(公告)号：EP3186123A4
公开(公告)日：2018-02-28
申请号：EP15835849
申请日：2015-08-20
发明人： FLETCHER DAVID E , GRAICHEN BRIAN M , MILLER JAMES H , BRAVO REX , GILMER MATTHEW C , HAMPTON KEITH , NIEDERT ANDREW D , VASHUK DENIS
IPC分类号： B60T13/52
CPC分类号： F02M35/10157 , F02M35/10229 , F04F5/00 , Y02T10/144
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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