Method of operating a compression ignition internal combustion engine
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United States of America Patent
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Nov 26, 2013
Grant Date -
Apr 21, 2011
app pub date -
Jul 1, 2009
filing date -
Jul 3, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of operating a combustion ignition engine comprises introducing an amount of a compressibly non-ignitable fuel into the air induction system of a compression ignition engine during the intake stroke of the engine and then injecting an amount of compressibly ignitable fuel (e.g., Diesel fuel) in the cylinder chamber at a crank angle sufficiently advanced during the compression stroke of the compression ignition engine such that the compressibly ignitable fuel and incompressible non-ignitable fuel ignite and combust such that substantially all of the fuel in the cylinder is combusted, where the amount of compressibly non-ignitable fuel introduced into the cylinder has an energy content that is at least about 50% to at most about 99% of the total energy content of the total amount of fuel introduced.
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