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.

Date of Patent:
Aug. 06, 2019

Filed:

Apr. 25, 2011
Applicant:

Kenta Saitou, Osaka, JP;

Inventor:

Kenta Saitou, Osaka, JP;

Assignee:

YANMAR CO., LTD., Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/023 (2006.01); F01N 3/025 (2006.01); F01N 3/033 (2006.01); F01N 3/035 (2006.01); F01N 9/00 (2006.01); F02D 41/02 (2006.01); F02D 41/40 (2006.01); F02D 41/14 (2006.01); F01N 13/00 (2010.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
F01N 3/0235 (2013.01); F01N 3/0253 (2013.01); F01N 3/035 (2013.01); F01N 3/0335 (2013.01); F01N 9/002 (2013.01); F01N 13/0097 (2014.06); F02D 41/021 (2013.01); F02D 41/025 (2013.01); F02D 41/029 (2013.01); F02D 41/1448 (2013.01); F01N 2550/04 (2013.01); F01N 2900/1602 (2013.01); F02D 41/0002 (2013.01); F02D 41/405 (2013.01); F02D 2200/0802 (2013.01); F02D 2200/0812 (2013.01); Y02T 10/26 (2013.01); Y02T 10/47 (2013.01);
Abstract

An exhaust gas purification system of a working machine is operable to reduce a loss of a working time caused by a point that it takes a long time to renew an exhaust gas purification device by throttle devices. The exhaust gas purification system of the working machine is provided with a common rail type engine which is mounted to the working machine, an exhaust gas purification device which is arranged in an exhaust system of the engine, and at least one of the intake air throttle device and the exhaust gas throttle device. It is provided with mode selection input means which selects whether an auxiliary renewing mode is executed or a forced renewing mode is executed in the case that a clogged state of the exhaust gas purification device is equal to or more than a prescribed level.


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