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. 07, 2002
Filed:
Jun. 20, 2000
Hiroshi Miyata, Aichi, JP;
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
A gas sensor having improved heat resistance and oil resistance. A portion of a cylindrical cover attached to a metallic shell is formed of a bendable resin tube . When the sensor is installed in a location susceptible to oil splashes, a rubber member having intercommunicating holes formed therein can be moved to a position where the rubber member is less susceptible to oil splashes, through appropriate bending of the resin tube . Thus, entry of oil into the interior of the sensor is avoided. Also, since the resin tube is bendable, the length of the resin tube can be increased so long as an ambient space around the installed sensor permits, thereby decreasing heat transmitted from the metallic shell to the rubber member