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:
Jul. 19, 2016
Filed:
May. 23, 2013
Ngk Spark Plug Co., Ltd., Nagoya-shi, Aichi-ken, JP;
Hiroshi Isomura, Nagoya, JP;
Katsuyoshi Hidaka, Kitanagoya, JP;
NGK SPARK PLUG CO., LTD., Aichi, JP;
Abstract
A gas sensor including a detection element (), wherein a detection electrode (D) and a reference electrode (B) are provided on an outer circumferential surface (A) and an inner circumferential surface, respectively, of a closed-bottomed tubular solid electrolyte body (). A heater inserted into the tubular hole of the detection element () is in contact with the reference electrode at point Q. The detection electrode (D) is partially formed in the vicinity of a position which faces the point Q with the solid electrolyte body () intervening therebetween, and the surface area of the detection electrode (D) is 8% to 20% of the surface area of a detection portion ().