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:
May. 08, 2018

Filed:

Jun. 12, 2013
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Michael Bessen, Stuttgart, DE;

Karola Herweg, Stuttgart, DE;

Mathias Klenk, Tuebingen, DE;

Benjamin Gaertner, Neureut, DE;

Assignee:

ROBERT BOSCH GMBH, Stuttgart, DE;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 11/00 (2006.01); G01N 33/00 (2006.01); G01N 15/06 (2006.01); F02D 41/14 (2006.01); F02D 41/22 (2006.01); G01M 15/10 (2006.01); G01N 27/04 (2006.01); G01R 31/02 (2006.01); F02D 41/20 (2006.01);
U.S. Cl.
CPC ...
G01N 33/0006 (2013.01); F02D 41/1466 (2013.01); F02D 41/1494 (2013.01); F02D 41/222 (2013.01); G01M 15/102 (2013.01); G01N 15/0606 (2013.01); G01N 15/0656 (2013.01); G01N 27/04 (2013.01); G01R 31/02 (2013.01); F02D 2041/2086 (2013.01); Y02T 10/40 (2013.01);
Abstract

A method for checking the function of a sensor for detecting soot is provided, the sensor including at least two measuring electrodes situated on a substrate made of an electrically insulating material, and a heating element, the method including: carrying out a first current-voltage measurement at a first temperature to ascertain a first measured variable, carrying out a second current-voltage measurement at a second temperature to ascertain a second measured variable, and forming a difference between the first measured variable and the second measured variable.


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