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:
Oct. 06, 2015
Filed:
Feb. 24, 2012
Hiroshi Ito, Tokyo, JP;
Masami Haishima, Saitama, JP;
Koji Watanabe, Asaka, JP;
Kensuke Yagi, Fujimi, JP;
Hiroshi Ito, Tokyo, JP;
Masami Haishima, Saitama, JP;
Koji Watanabe, Asaka, JP;
Kensuke Yagi, Fujimi, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
In the present fault diagnosis method and the fault diagnosis system for an engine, an external diagnosis device: obtains continuous data on the incidences of misfire by misfiring cylinders from the vehicle's side with regard to the actually occurring misfire or past incidences of misfire; detects a misfire pattern, which is to be classified according to the presence of continuous incidences of misfire, on the basis of the continuous data; and narrows down a fault site in accordance with the misfire pattern.