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. 19, 2015
Filed:
Oct. 20, 2009
Masanori Otsubo, Nagoya, JP;
Takaya Yoshikawa, Kasugai, JP;
Tomohiro Tajima, Kasugai, JP;
Masao Tsuzuki, Kakamigahara, JP;
Masanori Otsubo, Nagoya, JP;
Takaya Yoshikawa, Kasugai, JP;
Tomohiro Tajima, Kasugai, JP;
Masao Tsuzuki, Kakamigahara, JP;
NGK SPARK PLUG CO., LTD., Aichi, JP;
Abstract
A gas sensor () has an inner protector () and an outer protector (); the inner protector () has an inner wall portion () having an inner gas inlet () for introducing gas to be measured into the interior of the inner protector (); the outer protector () has an outer wall portion () having an outer gas inlet () for introducing the gas to be measured into the interior of the outer protector (); a clearance of 1.35 mm or less is provided between the detection portion () and at least a portion of the inner wall portion (); and when the gas sensor () is in use, the inner protector () is higher in temperature than the outer protector ().