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. 30, 2020

Filed:

Jan. 31, 2019
Applicant:

Magneti Marelli S.p.a., Corbetta, IT;

Inventors:

Umberto Di Martino, Castelfranco Emilia, IT;

Lorenzo Francia, Pianoro, IT;

Daniele Benassi, Bologna, IT;

Assignee:

MAGNETI MARELLI S.p.A., Corbetta, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 9/00 (2006.01); F01N 13/00 (2010.01); G01N 15/10 (2006.01); F01N 3/023 (2006.01); F02D 41/14 (2006.01);
U.S. Cl.
CPC ...
F01N 13/0093 (2014.06); F01N 3/0232 (2013.01); F01N 9/005 (2013.01); F02D 41/1445 (2013.01); G01N 15/10 (2013.01); F01N 2560/08 (2013.01); F01N 2900/1606 (2013.01); F01N 2900/1611 (2013.01); F02D 2041/1433 (2013.01); F02D 2200/0812 (2013.01);
Abstract

A method to determine the actual quantity of metal powders or ashes trapped in a particulate filter, which involves determining an estimated value of the quantity of metal powders trapped in the particulate filter based on an estimation model; determining a measured value of the quantity of metal powders trapped in the particulate filter; updating the estimated value of the quantity of metal powders trapped in the particulate filter as a function of the measured value; and determining the actual quantity of metal powders or ashes trapped in a particulate filter as a function of the update of the estimated value of the quantity of metal powders trapped in the particulate filter.


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