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:
Dec. 12, 2006
Filed:
Feb. 15, 2006
Tatsuya Tahara, Toyota, JP;
Tatsuya Tahara, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
An engine ECU executes a program including the steps of: determining an airflow meter as abnormal when the number of times an injector is determined as abnormal (abnormality determination count C) is greater than a threshold value C() in all of a region where DI ratio r=100%, a region where DI ratio r=0%, and a region where 0%<DI ratio r<100%, and determining the airflow meter as normal when abnormality determination count C is smaller than the threshold value C() at least in any one region.
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