Fuel injection valve
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United States of America Patent
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-
Dec 15, 2020
Grant Date -
Mar 28, 2019
app pub date -
Jan 13, 2017
filing date -
Feb 15, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An injection hole has an injection hole passage communicating an inner opening with an outer opening. The inner opening is smaller than the outer opening in cross-sectional area. The needle moves in a valve closing direction to abut against a valve seat to restrict a flow of fuel through the injection hole. A first inner wall of the injection hole is located on a valve closing direction side relative to an injection hole axis. A second inner wall of the injection hole is located on an opposite side of the injection hole axis from the valve closing direction side. The injection hole passage is defined by the first inner wall and the second inner wall.
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