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Simultaneous dual mode combustion engine operating on spark ignition and homogenous charge compression ignition

United States Patent

June 22, 2004
View the Complete Patent at the US Patent & Trademark Office
An engine particularly suited to single speed operation environments, such as stationary power generators. The engine includes a plurality of combustion cylinders operable under homogenous charge compression ignition, and at least one combustion cylinder operable on spark ignition concepts. The cylinder operable on spark ignition concepts can be convertible to operate under homogenous charge compression ignition. The engine is started using the cylinders operable under spark ignition concepts.
Fiveland; Scott B. (Peoria, IL), Wiggers; Timothy E. (Morton, IL)
Caterpillar Inc (Peoria, IL)
10/ 014,076
December 11, 2001
The Government of the United States of America has rights in this invention pursuant to Contract No. DE-FC05-970R22605 awarded by the U.S. Department of Energy.