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Engine and method for operating an engine

United States Patent

7,467,621
December 23, 2008
View the Complete Patent at the US Patent & Trademark Office
A method of operating an engine is provided. The method may include supplying a combustible combination of reactants to a combustion chamber of the engine, which may include supplying a first hydrocarbon fuel, hydrogen fuel, and a second hydrocarbon fuel to the combustion chamber. Supplying the second hydrocarbon fuel to the combustion chamber may include at least one of supplying at least a portion of the second hydrocarbon fuel from an outlet port that discharges into an intake system of the engine and supplying at least a portion of the second hydrocarbon fuel from an outlet port that discharges into the combustion chamber. Additionally, the method may include combusting the combustible combination of reactants in the combustion chamber.
Lauper, Jr.; John Christian (East Peoria, IL), Willi; Martin Leo (Dunlap, IL), Thirunavukarasu; Balamurugesh (Peoria, IL), Gong; Weidong (Dunlap, IL)
Caterpillar Inc. (Peoria, IL)
11/ 589,870
20080098995
October 31, 2006
GOVERNMENT RIGHTS This invention was made with Government support under the terms of Contract No. DE-FC26-01CH11079 awarded by the Department of Energy. The Government may have certain rights in this invention.