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:
Jul. 14, 2015
Filed:
Sep. 07, 2011
Takeshi Oouchida, Osaka, JP;
Keiichirou Yuzaki, Osaka, JP;
Takashi Miyamoto, Osaka, JP;
Tadao Hirai, Osaka, JP;
Takeshi Oouchida, Osaka, JP;
Keiichirou Yuzaki, Osaka, JP;
Takashi Miyamoto, Osaka, JP;
Tadao Hirai, Osaka, JP;
Yanmar Co., Ltd., Osaka, JP;
Abstract
In a working vehicle provided with an engine which is mounted to a travel machine body, a common rail type fuel injection device which injects fuel to the engine, a continuously variable transmission which shifts power from the engine, and the exhaust gas purification device which is arranged in an exhaust system of the engine, in the case that an engine operating point Q relating to a rotating speed N and a torque T of the engine is in a low-speed and low-torque side incapable of self-renewing the exhaust gas purification device, the engine operating point Q is changed to a high-speed and low-torque side capable of self-renewing the exhaust gas purification device, and a change gear ratio of the continuously variable transmission is changed and regulated in such a manner that a vehicle speed V of the travel machine body is not changed.