Piston for an internal combustion engine
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United States of America Patent
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Mar 16, 2004
Grant Date -
Oct 31, 2002
app pub date -
Apr 25, 2002
filing date -
Apr 27, 2001
priority date (Note) -
Expired
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Abstract
A piston for an internal combustion engine is provided which has at a top surface thereof a cavity for causing a mixture charge drawn from an intake port into a combustion chamber so as to flow with a rotational motion about a horizontal axis to flow toward a spark plug. A combustion chamber structure for an internal combustion engine is also provided.
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