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公开(公告)号：US20240151199A1
公开(公告)日：2024-05-09
申请号：US18281013
申请日：2022-02-02
Applicant: Hitachi Astemo, Ltd.
Inventor： Takatoshi IIZUKA , Takao MIYAKE , Masashi SUGAYA
CPC classification number: F02M61/1806 , F02M45/08
Abstract: A fuel injection device includes a nozzle holder; a fixed core; an anchor; and a valve member. The valve member has a plunger rod and a spacer. The plunger rod is provided with a shaft portion, and an engaging portion that engages with the anchor during a valve opening operation. The spacer has an accommodating portion in which the engaging portion is accommodated and forms a predetermined gap between the engaging portion and the anchor when the valve is closed. Further, the accommodating portion and the engaging portion are in line contact or point contact.
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