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:
Jun. 25, 2013
Filed:
Jul. 28, 2010
Christopher E. Whitney, Commerce, MI (US);
Andrew W. Baur, Flushing, MI (US);
Alfred E. Spitza, Jr., Brighton, MI (US);
Zhong LI, Novi, MI (US);
Jeffrey M. Kaiser, Highland, MI (US);
Christopher E. Whitney, Commerce, MI (US);
Andrew W. Baur, Flushing, MI (US);
Alfred E. Spitza, Jr., Brighton, MI (US);
Zhong Li, Novi, MI (US);
Jeffrey M. Kaiser, Highland, MI (US);
Abstract
An engine control system includes a desired manifold absolute pressure (MAP) module, a MAP to torque module, a threshold determination module, and a fuel economy (FE) mode module. The desired MAP module determines a desired MAP for operation of an engine in one of a cylinder deactivation mode and a low-lift mode based on a difference between a desired vacuum and an air pressure upstream of a throttle valve. The MAP to torque module determines a desired torque output of the engine for operation in the one of the cylinder deactivation mode and the low-lift mode based on the desired MAP. The threshold determination module determines an entry torque based on the desired torque output. The FE mode module selectively triggers operation in the one of the cylinder deactivation mode and the low-lift mode based on a comparison of the entry torque and a torque request.