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. 07, 2012
Filed:
Jul. 15, 2009
Jeff Doering, Canton, MI (US);
Brad Riedle, Northville, MI (US);
Rob Ciarrochi, Stockbridge, MI (US);
Hank Kwong, Farmington Hills, MI (US);
John Rollinger, Sterling Heights, MI (US);
Frederick Page, Canton, MI (US);
Jeff Travis, Dexter, MI (US);
Jeff Doering, Canton, MI (US);
Brad Riedle, Northville, MI (US);
Rob Ciarrochi, Stockbridge, MI (US);
Hank Kwong, Farmington Hills, MI (US);
John Rollinger, Sterling Heights, MI (US);
Frederick Page, Canton, MI (US);
Jeff Travis, Dexter, MI (US);
Ford Global Technologies, LLC, Dearborn, MI (US);
Abstract
A vehicle control method for a vehicle having powertrain with an internal combustion engine and a transmission having a clutch, the method comprising of transitioning through a lash region of the transmission during clutch slipping conditions in response to a driver tip-in; and during the transition, first retarding ignition timing past maximum torque timing while increasing engine airflow, and then second, advancing ignition timing from the retarded timing while continuing to increase engine airflow.