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Method for operating homogeneous charge compression ignition engines using conventional gasoline

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United States Patent

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8,689,767
April 8, 2014
View the Complete Patent at the US Patent & Trademark Office
Low Temperature Gasoline Combustion
A method for the operation of homogeneous charge compression ignition engines (HCCI) using gasoline or similar single-stage ignition fuels. Partial fuel stratification (PFS), intake pressure boosting and controlled BDC-intake temperatures, typically in the range of 95.degree. C. to about 125.degree. C., are used to reduce combustion pressure rise rates (PRR), and therefore, the knocking propensity of homogeneous charge compression ignition engines operating on gasoline or similar fuels.
13/ 230,320
September 12, 2011
123/295 123/299123/305
F02B 17/00 (20060101)
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STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under contract no. DE-AC04-94AL85000 awarded by the U.S. Department of Energy to Sandia Corporation. The Government has certain rights in the invention, including a paid-up license and the right, in limited circumstances, to require the owner of any patent issuing in this invention to license others on reasonable terms.