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. 21, 2025
Filed:
Apr. 22, 2021
Ngk Spark Plug Co., Ltd., Nagoya, JP;
Niterra Co., Ltd., Nagoya, JP;
Abstract
A gas sensor including: a sensor element; a metallic shell; and a single-wall tubular protector. The protector has a gas introduction hole and a gas discharge hole disposed on a forward end side in relation to the gas introduction hole. The metallic shell has a fixing portion whose outer surface is fixed to a pipe, and a larger-diameter tool engagement portion located on a rear end side of the fixing portion and used to attach the gas sensor. A distance Lin the axial O direction between the gas introduction hole and the gas discharge hole is greater than a distance Lin the axial direction between the tool engagement portion and the gas introduction hole; and a forward end (a) of the sensor element is located on the forward end side in relation to the gas introduction hole.