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:
Oct. 28, 2008
Filed:
Oct. 16, 2006
Gerald A. Szekely, Jr., Sterling Heights, MI (US);
Mark S. Huebler, Shelby Township, Macomb County, MI (US);
Scott E. Parrish, Farmington Hills, MI (US);
Gerald J. Schimelfening, Shelby Township, MI (US);
Andreas M. Lippert, Rochester Hills, MI (US);
Gerald A. Szekely, Jr., Sterling Heights, MI (US);
Mark S. Huebler, Shelby Township, Macomb County, MI (US);
Scott E. Parrish, Farmington Hills, MI (US);
Gerald J. Schimelfening, Shelby Township, MI (US);
Andreas M. Lippert, Rochester Hills, MI (US);
GM Global Technology Operations, Inc., Detroit, MI (US);
Abstract
A method and apparatus to operate a spray-guided spark-ignition direct fuel injection internal combustion engine are provided. The invention comprises injecting a first quantity of fuel during a combustion cycle. Spark ignition is initiated, and, injection of a second quantity of fuel is controlled effective to propagate a flame kernel generated by the spark ignition, after the initiation of the spark ignition during the combustion cycle.