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:
May. 24, 2011
Filed:
Dec. 26, 2007
Applicants:
Yoshio Suzuki, Nagoya, JP;
Hideyuki Suzuki, Kasugai, JP;
Kunihiko Nakagaki, Nagoya, JP;
Inventors:
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/333 (2006.01);
U.S. Cl.
CPC ...
Abstract
A NOx-decomposing electrode is provided having a certain or a high NOx-decomposing/reducing ability, which is formed on a third solid electrolyte layer for decomposing a NOx to produce oxygen. The detecting electrode contains a noble metal Pt, a material ZrOof the third solid electrolyte layer, and a mixture containing silica (SiO) and alumina (AlO). Specifically, the detecting electrode contains 80% to 90% by weight of the Pt, 9.5% to 19.8% by weight of the ZrO, and 0.2% to 0.5% by weight of the mixture containing silica and alumina.