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.
Patent No.:
Date of Patent:
Mar. 31, 2020
Filed:
Oct. 27, 2017
Applicant:
Ngk Insulators, Ltd., Nagoya-shi, Aichi, JP;
Inventors:
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/406 (2006.01); F01N 11/00 (2006.01); G01N 27/407 (2006.01); F01N 13/00 (2010.01);
U.S. Cl.
CPC ...
G01N 27/4067 (2013.01); F01N 11/00 (2013.01); F01N 13/008 (2013.01); G01N 27/4071 (2013.01); G01N 27/4075 (2013.01); F01N 2550/00 (2013.01); F01N 2560/02 (2013.01); F01N 2560/20 (2013.01); Y02T 10/47 (2013.01);
Abstract
A gas sensor includes a sensor element made of an oxygen-ion conductive solid electrolyte, at least one electrode provided to the sensor element so as to contact a measurement gas, and a controller configured to control the gas sensor. The sensor element is heated, by a heater provided to the sensor element, at a temperature higher than an operating temperature set in advance for a predetermined time period at start of the gas sensor, and then the temperature of the sensor element is decreased to the operating temperature.