Fuel injection device
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United States of America Patent
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-
Oct 1, 2013
Grant Date -
Jan 19, 2012
app pub date -
Jul 11, 2011
filing date -
Jul 14, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A fuel injection device has therein a recovery channel provided in a first valve body, and a fuel channel provided in the first valve body and a second valve body. The fuel channel is opened by openings at a first end surface of the first valve body and a second end surface of the second valve body. One of the first end surface and the second end surface is provided with an end surface groove connected to the recovery channel. In the fuel injection device, the end surface groove is provided to enclose at least a part of the opening and is separated from the opening by a clearance, and one of the first valve body and the second valve body has a side surface groove extending in a circumferential direction at an outer periphery of the one of the first valve body and the second valve body.
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