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:
Aug. 17, 2021
Filed:
Feb. 27, 2019
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Justin Badger, Plymouth, MI (US);
Kenneth Frederick, Dearborn, MI (US);
Robert Hurley, Plymouth, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/023 (2006.01); F02D 13/02 (2006.01); F02D 41/02 (2006.01); F02D 41/14 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
F01N 3/023 (2013.01); F02D 13/0207 (2013.01); F02D 13/0261 (2013.01); F02D 41/0002 (2013.01); F02D 41/029 (2013.01); F02D 41/0245 (2013.01); F02D 41/1446 (2013.01); F02D 41/1448 (2013.01); F01N 2430/085 (2013.01); F01N 2430/10 (2013.01); F02D 2041/001 (2013.01);
Abstract
Systems and methods for operating a spark ignition engine that includes a particulate filter in the engine's exhaust system are described. In one example, the spark ignition engine is prevented from exceeding a threshold engine load when the engine is supplying power to an electric machine so that engine emissions may be reduced.