Diesel engine piston
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United States of America Patent
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Sep 1, 2015
Grant Date -
Jan 24, 2013
app pub date -
Nov 4, 2011
filing date -
Jul 18, 2011
priority date (Note) -
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Abstract
A diesel engine piston having a combustion chamber may include a profile surface that protrudes toward a center axis of the combustion chamber from an inner wall thereof and includes a protrusion on the inner wall, the protrusion extending from the inner wall with a predetermined length, wherein the protrusion divides a spray fuel, which may be sprayed and atomized onto the protrusion, into a fuel flow at an upper portion of the combustion chamber and a fuel flow at a lower portion of the combustion chamber, respectively.
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