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:
Nov. 09, 2010
Filed:
Oct. 30, 2007
Applicants:
Takashi Nakashima, Aichi, JP;
Yuichi Yamada, Aichi, JP;
Masashi Ando, Aichi, JP;
Inventors:
Assignee:
NGK Spark Plug Co., Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gas sensor () including a protector () for protecting a detection portion () of a sensor element (). The protector () has an inner protector () and an outer protector (). A diameter r of an exhaust hole () formed in the inner protector () and an axial distance h between a front endof the sensor elementand the exhaust hole () satisfy a relation r≦2h/15+⅓.