Direct injection gasoline engine
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United States of America Patent
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-
Aug 31, 2004
Grant Date -
Apr 10, 2003
app pub date -
Jan 23, 2002
filing date -
Oct 9, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
In a center injection type of direct injection engine, since it has an ignition plug and an injector arranged in proximity, there occurs the problem that a sprayed liquid fuel directly strikes the ignition plug and causes the plug to misfire. A notch is to be provided at a portion of the injector end so as to form a coarse-grained portion and a dense portion in sprays of fuel, and the injector is disposed so that the coarse-grained portion is directed towards the ignition plug. It is possible to avoid the misfiring of the ignition plug and thus prolong the life of the plug, by preventing a liquid fuel from directly striking the plug.
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