The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 18, 2005
Filed:
Dec. 19, 2003
Kevin P. Duffy, East Peoria, IL (US);
Andrew J. Kieser, Morton, IL (US);
Jonathan P. Kilkenny, Peoria, IL (US);
Kevin P. Duffy, East Peoria, IL (US);
Andrew J. Kieser, Morton, IL (US);
Jonathan P. Kilkenny, Peoria, IL (US);
Caterpillar Inc, Peoria, IL (US);
Abstract
A method and apparatus for balancing a combustion phasing between a plurality of cylinders located in an engine. The method and apparatus includes a determining a combustion timing in each cylinder, establishing a baseline parameter for a desired combustion timing, and varying actuation of at least one of a plurality of intake valves, each intake valve being in fluid communication with a corresponding cylinder, such that the combustion timing in each cylinder is substantially equal to the desired combustion timing.