公开(公告)号：US20190162149A1

公开(公告)日：2019-05-30

申请号：US16201016

申请日：2018-11-27

Applicant: DENSO CORPORATION

Inventor： Tsukasa YAMASHITA ,  Kazufumi SERIZAWA ,  Shinji ONISHI ,  Daisuke ITOMURA

IPC: F02M63/00

Abstract: A fuel injection valve includes a body that includes an injection hole through which fuel is injected, and a valve element that opens or closes the injection hole. The body includes a metallic base material configured to form the injection hole, a corrosion-resistant layer covering a surface of at least a part of the base material that forms the injection hole and being made of a less corrosive material than the base material, and a diffusion deterring layer located between the base material and the corrosion-resistant layer and made of a material that less easily allows a metal component of the base material to diffuse than the material of the corrosion-resistant layer.