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2. 发明公开

EP3207242A1 CONTROL VALVE OF A FUEL INJECTOR 审中-公开
标题翻译：燃油喷射器的控制阀
公开(公告)号：EP3207242A1
公开(公告)日：2017-08-23
申请号：EP15771935.2
申请日：2015-09-29
申请人： Delphi International Operations Luxembourg S.à r.l.
发明人： GLOGLO, Arnaud , LESIEUR, Cyrille , THIBAULT, Thierry , CHERON, Antonin
IPC分类号： F02M63/00 , F02M47/02
CPC分类号： F02M47/027 , F02M63/0071 , F02M63/0078
摘要： A control valve (16) of a fuel injector is provided with a cylindrical valve body (42) extending along a main axis from an upper face (44) to a lower face (46), said body (42) being provided with a large cylindrical shallow recess (48) opening in said upper face (44) and in the bottom of which opens a valve distributor bore (50) axially extending toward the lower face (46). The control valve further has a magnetic armature-stem assembly (62) and, guiding means (56) for slidably guiding the armature-stem assembly (62) into the valve bore (50) and with seating means (70, 72, 74), distinct and independent means from the guiding means (56), for opening or closing a fluid communication between a high pressure conduit (112) and a return conduit (110), both conduits opening in said bore (50).
摘要翻译：燃料喷射阀的控制阀（16）具备从上表面（44）沿着主轴线向下表面（46）延伸的圆筒状的阀体（42），该阀体（42）具有大的在所述上表面（44）中开口的圆柱形浅凹槽（48），其底部开口朝向下表面（46）轴向延伸的阀分配器孔（50）。控制阀还具有磁性衔铁杆组件62以及用于将衔铁杆组件62可滑动地引导到阀孔50中并且具有座位装置70,72,74的引导装置56，，与引导装置（56）不同且独立的装置，用于打开或关闭高压导管（112）和返回导管（110）之间的流体连通，两个导管在所述孔（50）中开口。

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