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:
May. 27, 2014
Filed:
Apr. 28, 2011
Buso Takigawa, Kanagawa-ken, JP;
Umerujan Sawut, Kanagawa-ken, JP;
Tohti Gheyret, Kanagawa-ken, JP;
Norichika Kojima, Kanagawa-ken, JP;
Tsutomu Murakami, Kanagawa-ken, JP;
Buso Takigawa, Kanagawa-ken, JP;
Umerujan Sawut, Kanagawa-ken, JP;
Tohti Gheyret, Kanagawa-ken, JP;
Norichika Kojima, Kanagawa-ken, JP;
Tsutomu Murakami, Kanagawa-ken, JP;
Nikki Co., Ltd., Atsugi, JP;
Abstract
When control to maintain a constant engine rotation number is executed, the electronic control unit constantly monitors an error of detected throttle position data with respect to a desired throttle control value, executes a first stage of a failure judgment method to judge that a failure of a throttle control system has occurred in a case where an absolute value of the error exceeds a predetermined threshold value continuously for a predetermined time or longer, and executes a second stage of the failure judgment method to judge that a serious failure has occurred in the system in a case where a detected engine rotation number exceeds a predetermined rotation number continuously for a predetermined time or longer, to perform predetermined operations in accordance with the judgment results.