Fuel injection valve
AssigneesHitachi Automotive Systems, Ltd., Honda Motor Co., Ltd.
InventorsShusuke Akazaki, Atsushi Takaoku, Masahiro Soma
Life of this patent
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Abstract
A fuel injection valve that injects fuel directly into a cylinder of an internal combustion engine includes: a nozzle inserted into a fuel injection valve fitting hole formed in the cylinder; a cylindrical tip seal holder attached to the nozzle; and an annular seal member that is fitted to the tip seal holder and seals between an inner circumferential surface of the fuel injection valve fitting hole and an outer circumferential surface of the tip seal holder.
Claims7
A fuel injection valve that injects fuel directly into a cylinder of an internal combustion engine, comprising:
- a nozzle inserted into a fuel injection valve fitting hole formed in the cylinder;
- a cylindrical tip seal holder attached to the nozzle;
- and
- an annular seal member that is fitted to the cylindrical tip seal holder and that seals between an inner circumferential surface of the fuel injection valve fitting hole and an outer circumferential surface of the cylindrical tip seal holder, wherein
- an insertion groove for a signal line is formed on an inner circumferential surface of the cylindrical tip seal holder along a central axis of the cylindrical tip seal holder, and
- the signal line passes through an inner diameter side of the annular seal member.
Dependencies are inferred from the claim text.