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. 08, 2013
Filed:
Feb. 09, 2010
Applicants:
Nicole Wermuth, Ann Arbor, MI (US);
Paul M. Najt, Bloomfield Hills, MI (US);
Hanho Yun, Oakland Township, MI (US);
Inventors:
Nicole Wermuth, Ann Arbor, MI (US);
Paul M. Najt, Bloomfield Hills, MI (US);
Hanho Yun, Oakland Township, MI (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D 43/00 (2006.01); F02B 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for operating a direct-injection internal combustion engine includes unevenly distributing load among a plurality of cylinders by operating a portion of the plurality of cylinders in a spark ignition mode and the remaining portion of the plurality of cylinders in a homogeneous charge compression ignition mode.