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:
Feb. 13, 2024
Filed:
Feb. 14, 2023
Applicant:
Ford Global Technologies, Llc, Dearborn, MI (US);
Inventors:
Xiaogang Zhang, Novi, MI (US);
Steven Wooldridge, Manchester, MI (US);
Gary Coulson, Ypsilanti, MI (US);
David Bruce Reiche, Livonia, MI (US);
Assignee:
Ford Global Technologies, LLC, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02D 41/06 (2006.01); F02D 13/02 (2006.01); F02D 41/40 (2006.01); F02P 5/15 (2006.01); F02D 41/38 (2006.01);
U.S. Cl.
CPC ...
F02D 41/064 (2013.01); F02D 13/0249 (2013.01); F02D 41/402 (2013.01); F02P 5/1506 (2013.01); F02D 2041/389 (2013.01); F02D 2200/021 (2013.01);
Abstract
Systems and methods for cold starting an internal combustion engine are described. In one example, fuel is delivered in four equal amounts into a cylinder during a cycle of the cylinder. The fuel is injected so as to reduce cylinder wall wetting, raise combustion stability, and increase exhaust system heating.