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. 22, 2015
Filed:
Apr. 28, 2011
Yasuo Noma, Osaka, JP;
Taichi Togashi, Osaka, JP;
Tomohiro Fukuda, Osaka, JP;
Atsushi Ohta, Osaka, JP;
Katsunari Jounouchi, Osaka, JP;
Yasuo Noma, Osaka, JP;
Taichi Togashi, Osaka, JP;
Tomohiro Fukuda, Osaka, JP;
Atsushi Ohta, Osaka, JP;
Katsunari Jounouchi, Osaka, JP;
Yanmar Co., Ltd., Osaka, JP;
Abstract
An exhaust gas purification device is arranged in an exhaust gas route of a common rail type engine. At least one of an intake air throttle device and an exhaust gas throttle device are arranged in intake and exhaust systems of the engine. In the case that a clogged state of the exhaust gas purification device becomes equal to or more than a prescribed level, an auxiliary renewing mode which raises the temperature of an exhaust gas from the engine by actuating at least one of the intake air throttle device and the exhaust gas throttle device is executed, and in the case that the clogged state of the exhaust gas purification device is not improved even by executing the auxiliary renewing mode, a forced renewing mode which supplies a fuel into the exhaust gas purification device by a post injection is executed.