Direct injection internal combustion engine
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United States of America Patent
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Apr 15, 2008
Grant Date -
Apr 21, 2005
app pub date -
Aug 27, 2004
filing date -
Feb 28, 2002
priority date (Note) -
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Abstract
A direct injection engine has a fuel injection valve that directs a spray of fuel to each side of a spark plug electrode. The fuel mixes with the air to define a region of relatively richer air-fuel mixture and a region of relatively leaner air-fuel mixture. The electrode is positioned within the relatively leaner region.
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