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. 30, 2017
Filed:
May. 22, 2015
Hyundai Motor Company, Seoul, KR;
Hyundai Motor Company, Seoul, KR;
Abstract
A fault diagnosis method of an exhaust gas post-processing system may include a detection step detecting any one or more of an operating state of a lean NOx trap or a state of an urea tank, a determination step determining whether the state of the lean NOx trap or the urea tank detected at the detection step satisfies a corresponding condition to block monitoring of a purification efficiency of the exhaust gas post-processing system, and a blocking step blocking the monitoring of the purification efficiency of the exhaust gas post-processing system when the state of the lean NOx trap or the urea tank at the determination step satisfies the corresponding condition to block the monitoring of the purification efficiency of the exhaust gas post-processing system.
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