Internal Combustion Engine Having Piston Configured For Reduced Particulate Emissions, And Method
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United States of America Patent
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Issued Date -
Dec 5, 2013
app pub date -
Jun 4, 2012
filing date -
Jun 4, 2012
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Abandoned
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Abstract
An internal combustion engine includes a housing having a cylinder bore defining a bore diameter of 260 mm or greater, a fuel injector coupled to the housing, and a crankshaft rotatably coupled to the housing. A piston is coupled to the crankshaft and movable to increase a fluid pressure within the cylinder bore to an autoignition pressure, and includes a combustion face defining a plurality of valve pockets in a compound combustion bowl. Spray orifices in the fuel injector define a spray angle greater than 145°, and the combustion bowl has a diameter from 190 mm to 230 mm such that combustion of injected fuel yields a BMEP of 1600 kPa or greater and 0.25 grams particulate matter or less per bkW·h energy output of the internal combustion engine.
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