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. 01, 2011
Filed:
Feb. 28, 2008
Douglas J. Moening, Farmington, MI (US);
Igor Anilovich, Walled Lake, MI (US);
John W. Siekkinen, Novi, MI (US);
Jayson S. Schwalm, Farmington Hills, MI (US);
Daniel J. Wickman, Plymouth, MI (US);
Douglas J. Moening, Farmington, MI (US);
Igor Anilovich, Walled Lake, MI (US);
John W. Siekkinen, Novi, MI (US);
Jayson S. Schwalm, Farmington Hills, MI (US);
Daniel J. Wickman, Plymouth, MI (US);
Abstract
A system comprises a post oxygen performance diagnostic (POPD) module that performs a POPD of a post oxygen sensor, wherein the POPD includes a deceleration fuel cutoff (DFCO) portion. A torque converter control module adjusts operation of a torque converter clutch (TCC). The POPD module and the torque converter control module operate the TCC to control engine speed above a predetermined engine speed during the DFCO portion of the POPD. A method comprises performing a POPD of a post oxygen sensor, wherein the POPD includes a deceleration fuel cutoff (DFCO) portion and adjusting operation of a torque converter clutch (TCC) to control engine speed above a predetermined engine speed during the DFCO portion of the POPD.