Electronic fuel injection valve
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United States of America Patent
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Jun 22, 2004
Grant Date -
N/A
app pub date -
Feb 6, 2002
filing date -
Aug 6, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In an electronic fuel injector used in a combustion system using gas fuel, the present invention suppresses wearing of worn portions to make control of stable supply of gas fuel possible by forming a surface reforming layer (nitrided layer etc.) having wear resistance on a surface of a structural material of worn portions of the electronic fuel injector.
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