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. 03, 2018
Filed:
Jan. 23, 2015
Applicant:
Ngk Spark Plug Co., Ltd., Nagoya-shi, Aichi, JP;
Inventors:
Assignee:
NGK SPARK PLUG CO., LTD., Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/407 (2006.01); G01N 27/409 (2006.01);
U.S. Cl.
CPC ...
G01N 27/4071 (2013.01); G01N 27/409 (2013.01);
Abstract
A gas sensor element () configured as a laminate of an oxygen pump cell () and an oxygen concentration detection cell () with a spacer () sandwiched therebetween. The spacer () has a gas detecting chamber () formed therein and electrodes () and () of the cells () and (), respectively, facing the chamber (). A leakage section () is faces the gas detecting chamber () (measuring chamber).