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. 13, 2016
Filed:
Jun. 10, 2011
Makoto Hoshi, Fujisawa, JP;
Akira Hanari, Fujisawa, JP;
Keiichirou Misumi, Fujisawa, JP;
ISUZU MOTORS LIMITED, Tokyo, JP;
Abstract
A combustion diagnosis device for a diesel engine having a plurality of cylinders, including an engine speed sensor for detecting a rotational speed of each cylinder, an injection correction amount calculation unit for calculating an amount of correction for fuel injection of each cylinder in accordance with the engine speed sensor, a rotational fluctuation calculation unit for calculating a rotational fluctuation of each cylinder in accordance with the engine speed sensor, and a combustion state determination unit for determining a combustion state of a determination-target cylinder in accordance with the rotational fluctuation when the correction amount calculated by the injection correction amount calculation unit reaches an upper limit threshold value.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile