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Compression ignition engine having fuel system for non-sooting combustion and method

United States Patent

October 28, 2014
View the Complete Patent at the US Patent & Trademark Office
A direct injection compression ignition internal combustion engine includes a fuel system having a nozzle extending into a cylinder of the engine and a plurality of spray orifices formed in the nozzle. Each of the spray orifices has an inner diameter dimension of about 0.09 mm or less, and define inter-orifice angles between adjacent spray orifice center axes of about or greater such that spray plumes of injected fuel from each of the spray orifices combust within the cylinder according to a non-sooting lifted flame and gas entrainment combustion pattern. Related methodology is also disclosed.
Bazyn; Timothy (Chillicothe, IL), Gehrke; Christopher (Chillicothe, IL)
Caterpillar Inc. (Peoria, IL)
13/ 162,652
June 17, 2011
STATEMENT OF GOVERNMENT INTEREST The present invention was made with government support pursuant to Department of Energy Contract No. DE-FC26-05NT42412. The United States Government may have certain rights in the present patent application.