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1. 发明授权

US06776353B2 Fuel injector valve seat assembly with radially outward leading fuel flow passages feeding multi-hole orifice disk 有权
标题翻译：燃料喷射器阀座组件，具有径向向外引导的燃料流动通道供给多孔孔盘
公开(公告)号：US06776353B2
公开(公告)日：2004-08-17
申请号：US10015941
申请日：2001-12-17
申请人： Jayashree Moorthy , Wei-Min Ren
发明人： Jayashree Moorthy , Wei-Min Ren
IPC分类号： F02D700
CPC分类号： F02M61/186 , F02M61/18 , F02M61/1806 , F02M61/188
摘要： A fuel injector for use in a fuel injection system of an internal combustion engine that includes a body, valve seat, closure member, orifice plate and metering device. The closure member and the valve seat define a sealing surface, located on a virtual circle defining a sealing diameter. The orifice plate includes a third surface, a fourth surface and at least one orifice, located on a virtual circle on the orifice plate defining a first radius and between the third and fourth surfaces. The metering device has first and second faces contiguous to a third face. At least one of the first and third faces are spaced from one of the first and second surfaces of the valve seat to define a plurality of passages. Each passage has an outlet located on a virtual circle defining a second diameter greater than at least one of the first and the sealing diameters.
摘要翻译：一种用于内燃机的燃料喷射系统的燃料喷射器，其包括主体，阀座，关闭构件，孔板和计量装置。闭合构件和阀座限定了密封表面，其位于限定密封直径的虚拟圆上。孔板包括位于孔板上的虚拟圆上的第三表面，第四表面和至少一个孔，限定第一半径，并且在第三和第四表面之间。计量装置具有与第三面邻接的第一和第二面。第一和第三面中的至少一个与阀座的第一和第二表面之一间隔开以限定多个通道。每个通道具有位于虚拟圆上的出口，限定第二直径大于第一密封直径和密封直径中的至少一个。

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