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:
Jun. 21, 2016

Filed:

Mar. 12, 2009
Applicants:

Jason K. Bloms, Edwards, IL (US);

David Kapparos, Chillicothe, IL (US);

Tyler V. Richards, Peoria, IL (US);

Glenn B. Cox, Peoria, IL (US);

Matt Leustek, Metamora, IL (US);

Rajiv Nanjundareddy, Peoria, IL (US);

Vadiraj P. Kulkarni, Dunlap, IL (US);

Inventors:

Jason K. Bloms, Edwards, IL (US);

David Kapparos, Chillicothe, IL (US);

Tyler V. Richards, Peoria, IL (US);

Glenn B. Cox, Peoria, IL (US);

Matt Leustek, Metamora, IL (US);

Rajiv Nanjundareddy, Peoria, IL (US);

Vadiraj P. Kulkarni, Dunlap, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/00 (2006.01); F01N 3/10 (2006.01); F01N 3/02 (2006.01); F01N 3/025 (2006.01); F01N 9/00 (2006.01);
U.S. Cl.
CPC ...
F01N 3/0256 (2013.01); F01N 3/106 (2013.01); F01N 9/002 (2013.01); F01N 2560/08 (2013.01); F01N 2560/14 (2013.01); F01N 2900/08 (2013.01); F01N 2900/12 (2013.01); Y02T 10/47 (2013.01);
Abstract

An after-treatment device that includes a diesel particulate filter (DPF) requiring periodic regeneration includes a sensor providing a signal indicative of a soot accumulation and at least one device providing an operating parameter indicative of a work mode of the machine. A controller determines a soot level and a readiness level based on the work mode of the machine, and further classifies the soot level relative to a desired range for initiating a regeneration event and initiates the regeneration event when the soot level falls within the desired range.


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