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. 29, 2008
Filed:
Sep. 11, 2006
Jesse M. Gwidt, Brighton, MI (US);
David P. Sczomak, Troy, MI (US);
Matthew A. Wiles, Royal Oak, MI (US);
Michael J. Lucido, Northville, MI (US);
Jesse M. Gwidt, Brighton, MI (US);
David P. Sczomak, Troy, MI (US);
Matthew A. Wiles, Royal Oak, MI (US);
Michael J. Lucido, Northville, MI (US);
GM Global Technology Operations, Inc., Detroit, MI (US);
Abstract
A fuel injection system for a direct fuel injection (DFI) engine is provided. The system includes: injection mode module selects a fuel injection mode to be one of a single injection mode and a dual injection mode during DFI engine idle operation based on a torque request; and a fuel injection command module that commands fuel injection events based on a crankshaft position and the fuel injection mode.