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:
Nov. 23, 2010
Filed:
Jul. 21, 2008
Fanghui Shi, Rochester Hills, MI (US);
Chandrashekar Joshi, Bangalore, IN;
Annette Cusenza, Grosse Pointe Shores, MI (US);
Rohit S. Paranjpe, Rochester Hills, MI (US);
Fanghui Shi, Rochester Hills, MI (US);
Chandrashekar Joshi, Bangalore, IN;
Annette Cusenza, Grosse Pointe Shores, MI (US);
Rohit S. Paranjpe, Rochester Hills, MI (US);
Abstract
An engine control system comprises a coolant temperature weighting module that generates a weighting signal based on coolant temperature. A composite temperature generating module generates a composite temperature based on the coolant temperature, an oil temperature and the weighting signal. A delta friction torque module calculates delta friction torque of an engine based on the composite temperature. An engine operating parameter module that adjusts an engine operating parameter based on the delta friction torque.