公开(公告)号：US20150337782A1

公开(公告)日：2015-11-26

申请号：US14819037

申请日：2015-08-05

Applicant: Hitachi Automotive Systems, Ltd.

Inventor： YOSHIHITO YASUKAWA ,  Motoyuki ABE ,  Hideharu EHARA ,  Tohru ISHIKAWA ,  Eiji ISHII

IPC: F02M51/06 ,  F02M61/18

CPC classification number: F02M51/061 ,  F02M61/162 ,  F02M61/1806 ,  F02M61/1813 ,  F02M61/182 ,  F02M61/1833

Abstract: Fuel injection valve with conical valve seat surface that abuts a valve body to seal fuel, fuel injection orifices having an inlet opening formed on the valve seat surface, wherein fuel sprays injected from the plurality of fuel injection orifices include a first fuel spray constituted by a fuel spray injected from at least one fuel injection orifice and a second fuel spray constituted by a plurality of fuel sprays injected at an outer periphery of the first fuel spray, and a fuel injection orifice that injects the first fuel spray constituted with a plane that includes an orifice axis connecting a center of an inlet with a center of an outlet of the fuel injection orifice, parallel to a center axis of the fuel injection valve intersecting a plane, a conical apex that forms the valve seat surface to form an inclination angle that is larger than 0°.

Abstract translation: 具有锥形阀座表面的燃料喷射阀，其邻接阀体以密封燃料，具有形成在阀座表面上的入口的燃料喷射孔，其中从多个燃料喷射孔喷射的燃料喷射包括第一燃料喷雾， 从至少一个燃料喷射孔喷射的燃料喷雾和由在第一燃料喷雾的外周边喷射的多个燃料喷雾构成的第二燃料喷雾;以及燃料喷射孔，其喷射由包括 将入口的中心与燃料喷射孔的出口的中心连接的孔轴平行于与平面交叉的燃料喷射阀的中心轴线，形成阀座表面的锥形顶点以形成倾斜角， 大于0°。