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.

Date of Patent:
Jan. 08, 2013

Filed:

Apr. 20, 2012
Applicants:

Gopichandra Surnilla, West Bloomfield, MI (US);

David Karl Bidner, Livonia, MI (US);

Peter Charles Moilanen, Clinton, MI (US);

Inventors:

Gopichandra Surnilla, West Bloomfield, MI (US);

David Karl Bidner, Livonia, MI (US);

Peter Charles Moilanen, Clinton, MI (US);

Assignee:

Ford Global Technologies, LLC, Dearborn, MI (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60T 7/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

Systems and methods of operating an engine, the engine including an injector configured to directly inject fuel into an engine cylinder. One example method comprises, during an engine cold start, performing compression direct fuel injection, and retarding a timing of the compression injection as a fuel alcohol content of the fuel increases.


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