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:
Sep. 23, 2014

Filed:

Mar. 08, 2013
Applicant:

Kubota Corporation, Osaka, JP;

Inventors:

Yuuki Ishii, Sakai, JP;

Katsushi Inoue, Sakai, JP;

Assignee:

KUBOTA Corporation, Osaka-shi, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/02 (2006.01); F01N 9/00 (2006.01); F01N 3/023 (2006.01);
U.S. Cl.
CPC ...
F01N 3/00 (2013.01); F01N 9/002 (2013.01); F01N 3/023 (2013.01); Y02T 10/47 (2013.01); F01N 2900/0422 (2013.01); F01N 2900/0601 (2013.01);
Abstract

Provided is an exhaust gas processing device for a diesel engine which can carry out sufficient regeneration processing of a DPF. A DPF regeneration control section continues normal regeneration processing by a DPF regeneration control section when an accelerated regeneration starting operation section does not perform accelerated regeneration starting operation after notification of accelerated regeneration requiring information is started. The DPF regeneration control section prohibits the normal regeneration processing, and an accelerated regeneration re-requirement notification section starts notification of accelerated regeneration re-requiring information, when a PM accumulation amount estimate becomes equal to or higher than an accelerated regeneration re-requirement determination value J. Thereafter, the regeneration processing of the DPF is not carried out unless the accelerated regeneration starting operation section starts the accelerated regeneration starting operation to cause the DPF regeneration control section to carry out the accelerated regeneration processing by the DPF regeneration section.


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