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. 23, 2020

Filed:

Nov. 09, 2016
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Lothar Diehl, Gemmrigheim, DE;

Gaetan Deromelaere, Yokohama, JP;

Michael Piwonski, Stuttgart, DE;

Peter Raffelstetter, Bietigheim-Bissingen, DE;

Thilo Lehre, Stuttgart, DE;

Thorsten Sahm, Waiblingen, DE;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/407 (2006.01); G01N 27/403 (2006.01); G01N 27/30 (2006.01);
U.S. Cl.
CPC ...
G01N 27/4071 (2013.01); G01N 27/30 (2013.01); G01N 27/403 (2013.01);
Abstract

A sensor element for detecting at least one property of a measuring gas in a measuring gas chamber, in particular for detecting a proportion of a gas component in the measuring gas or a temperature of the measuring gas, includes a ceramic layer construction that includes at least one electrochemical cell, the electrochemical cell having at least one first electrode, a second electrode, and at least one solid electrolyte connecting the first electrode and the second electrode. The second electrode is situated in the layer construction facing an electrode cavity that is in the layer construction. The second electrode has at least one outer diameter that is greater than a corresponding outer diameter of the electrode cavity.


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