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:
Sep. 03, 2013
Filed:
Dec. 23, 2010
Yasuhiro Ishiguro, Nagakute-cho, JP;
Katsunori Yazawa, Kasugai, JP;
Hiroshi Inagaki, Komaki, JP;
Keiji Suzuki, Kitanagoya, JP;
Tetsuma Shimozato, Nagoya, JP;
Yasuhiro Ishiguro, Nagakute-cho, JP;
Katsunori Yazawa, Kasugai, JP;
Hiroshi Inagaki, Komaki, JP;
Keiji Suzuki, Kitanagoya, JP;
Tetsuma Shimozato, Nagoya, JP;
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
An oxygen sensor control apparatus () obtains a correction coefficient for calibrating the relation between oxygen concentration and an output value of an oxygen sensor (), when a fuel cut operation of an internal combustion engine () is performed. The apparatus includes average output value calculation means; inter-fuel-cut average output value calculation means; and correction coefficient calculation means.