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:
Mar. 14, 2023

Filed:

Oct. 18, 2019
Applicant:

Denso Corporation, Kariya, JP;

Inventors:

Makoto Nakae, Kariya, JP;

Shota Imada, Kariya, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/407 (2006.01); G01N 33/00 (2006.01); G01N 27/409 (2006.01); F01N 11/00 (2006.01); B01D 53/94 (2006.01); F01N 3/10 (2006.01); G01N 27/41 (2006.01);
U.S. Cl.
CPC ...
G01N 27/4075 (2013.01); B01D 53/9454 (2013.01); F01N 3/10 (2013.01); F01N 11/007 (2013.01); G01N 27/409 (2013.01); G01N 27/4073 (2013.01); G01N 27/4077 (2013.01); G01N 27/41 (2013.01); G01N 33/0016 (2013.01); G01N 33/0036 (2013.01); F01N 2560/025 (2013.01);
Abstract

A gas sensor includes a sensor element, and the sensor element includes a bottomed tubular solid electrolyte, a detection electrode provided on an outer surface of the solid electrolyte, a reference electrode provided on an inner surface of the solid electrolyte. The detection electrode of the sensor element includes a detection electrode section provided at a position on a tip side of an axial direction, an attachment electrode section provided at a position on a base end side of the axial direction, and a lead electrode section provided at a position where the detection electrode section is connected to the attachment electrode section. An insulating layer is provided between a tube of the solid electrolyte and each of the attachment electrode section and the lead electrode section.


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