Fuel injection spray patterns for opposed-piston engines
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United States of America Patent
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Sep 2, 2014
Grant Date -
Mar 29, 2012
app pub date -
Aug 15, 2011
filing date -
Aug 16, 2010
priority date (Note) -
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Abstract
A combustion chamber for an opposed-piston engine includes a squish zone defined between circumferential peripheral areas of opposing end surfaces of the pistons, a cavity defined by one or more bowls in the end surfaces, and at least one injection port that extends radially through the squish zone into the cavity. The cavity has a cross-sectional shape that imposes a tumbling motion on air flowing from the squish zone into the cavity. Opposing spray patterns of fuel are injected into the combustion chamber. In some aspects, the opposing spray patterns are injected along a major axis of the combustion chamber.
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