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. 12, 2008
Filed:
Jun. 03, 2003
Katsuhiko Kawamura, Yokohama, JP;
Katsuhiko Kawamura, Yokohama, JP;
Nissan Motor Co., Ltd., Yokohama-shi, JP;
Abstract
A valve timing correction control apparatus for an internal combustion engine is provided. The engine includes a plurality of banks and variable valve operating mechanisms disposed at the respective banks for variably controlling valve timings of intake valves separately at the respective banks. The valve timing correction control apparatus comprises air/fuel ratio sensors provided to exhaust systems of the respective banks, and a control unit that corrects the valve timings of the intake valves at the respective banks in accordance with deviations of air/fuel ratios detected by the respective air/fuel ratio sensors. A valve timing correction control method is also provided.