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. 06, 2020
Filed:
Dec. 06, 2018
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Stephen George Russ, Canton, MI (US);
Ethan D. Sanborn, Saline, MI (US);
Joseph Lyle Thomas, Holt, MI (US);
Gopichandra Surnilla, West Bloomfield, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/30 (2006.01); F02D 41/24 (2006.01); F02D 41/02 (2006.01);
U.S. Cl.
CPC ...
F02D 41/3094 (2013.01); F02D 41/2432 (2013.01); F02D 41/2467 (2013.01); F02D 41/3005 (2013.01); F02D 41/029 (2013.01); F02D 2200/0812 (2013.01); F02D 2200/70 (2013.01); F02D 2250/38 (2013.01);
Abstract
Methods and systems for simultaneously operating port fuel injectors and direct fuel injectors of an internal combustion engine are described. In one example, port fuel injection timing is adjusted to reduce particulate matter formation in the engine so that particulate filter loading may be reduced until a time when the particulate filter may be purged.