Fuel injector for an internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 5, 2000
Grant Date -
N/A
app pub date -
Sep 24, 1999
filing date -
Sep 29, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a fuel injector for an internal combustion engine having a tip portion which is separate from the injector body and in which a slit-like injection hole and a downstream portion of fuel reservoir communicated with the injection hole are formed, joining surfaces of the tip portion and the injector body being joined to each other, the fuel reservoir being positioned downstream of a seat portion of valve body, an upstream portion of the fuel reservoir being formed in the injector body, a first opening of the downstream portion of the fuel reservoir in the joining surface of the tip portion being chamfered, and the first opening being larger than a second opening of the upstream portion of the fuel reservoir in the joining surface of the injector body such that the first opening surrounds the second opening.
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