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:
Oct. 02, 2012
Filed:
Oct. 13, 2006
Applicants:
Shigeki Mori, Komaki Aichi, JP;
Masaki Mizutani, Komaki Aichi, JP;
Nobuo Furuta, Kasugai Aichi, JP;
Yuuya Nakayama, Kasugai Aichi, JP;
Inventors:
Shigeki Mori, Komaki Aichi, JP;
Masaki Mizutani, Komaki Aichi, JP;
Nobuo Furuta, Kasugai Aichi, JP;
Yuuya Nakayama, Kasugai Aichi, JP;
Assignee:
NGK Spark Plug Co., Ltd., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/407 (2006.01); G01N 27/41 (2006.01);
U.S. Cl.
CPC ...
Abstract
This invention provides a gas sensing device and gas sensor including a porous portion in which a first porous portion absorbs phosphorus and silicone sufficiently so as to suppress generation of clogging in a second porous portion meeting demands for intensifying the performance and accuracy of a gas sensor, so that the accuracy of detection of air-fuel ratio is further improved.