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:
Dec. 24, 2013
Filed:
Sep. 10, 2008
Hiroshi Masuda, Osaka, JP;
Michihiko Hara, Osaka, JP;
Shuji Shiozaki, Osaka, JP;
Hiroshi Matsuyama, Osaka, JP;
Hiroshi Masuda, Osaka, JP;
Michihiko Hara, Osaka, JP;
Shuji Shiozaki, Osaka, JP;
Hiroshi Matsuyama, Osaka, JP;
Yanmar Co., Ltd., Osaka, JP;
Abstract
An engine exhaust gas purifier includes a filter, a hydraulic load mechanism, a clog detector and a forced actuation valve. The filter purifies the exhaust gas of the engine. The hydraulic load mechanism is driven by the engine's power. The clog detector detects a clogging state of the filter. The forced actuation valve forcibly increases an actuation amount of the hydraulic load mechanism. The filter is regenerated by increasing an engine load while maintaining an engine rotating speed, by increasing the actuation amount of the hydraulic load mechanism with an actuation of the forced actuation valve on the basis of detection information of the clog detector.