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:
Jan. 12, 2021

Filed:

Dec. 07, 2016
Applicant:

Denso Corporation, Kariya, JP;

Inventors:

Keigo Mizutani, Nisshin, JP;

Keisuke Mizutani, Nisshin, JP;

Mitsunobu Nakato, Kariya, JP;

Takashi Araki, Kariya, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/407 (2006.01); G01N 27/416 (2006.01); G01N 27/406 (2006.01); G01N 27/409 (2006.01); G01N 27/41 (2006.01); G01N 27/419 (2006.01);
U.S. Cl.
CPC ...
G01N 27/4071 (2013.01); G01N 27/409 (2013.01); G01N 27/4067 (2013.01); G01N 27/41 (2013.01); G01N 27/416 (2013.01); G01N 27/419 (2013.01); G01N 27/4163 (2013.01);
Abstract

A gas sensor includes a pump cell unit that regulates the oxygen concentration of a measured gas using a pump electrode, a monitor cell unit that detects the residual oxygen concentration of the measured gas using a monitor electrode, and a sensor cell unit that detects the concentration of a specific gas component in the measured gas using a sensor electrode. Between a pump electrode lead part and the sensor electrode, there is arranged the monitor electrode. Between an upstream portion of the pump electrode lead part and a monitor electrode lead part, there is provided an interval wof 0.5 mm or more.


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