Title:
ガスセンサ
Document Type and Number:
Japanese Patent JP6904881
Kind Code:
B2
Abstract:
In a circular cross section obtained by cutting a protector along a plane which is orthogonal to an axial direction and passes through gas introduction holes, the gas introduction holes are arranged asymmetrically in the circumferential direction of a circumferential wall of the protector. When the circular cross section is bisected into first and second divisional regions by a straight line which passes through the center of the circular cross section and does not pass through any gas introduction holes, the total opening area of gas introduction holes located in the first divisional region is smaller than the total opening area of gas introduction holes located in the second divisional region.
Inventors:
Tomoki Fujii
Takehiro Ohba
Takehiro Ohba
Application Number:
JP2017207889A
Publication Date:
July 21, 2021
Filing Date:
October 27, 2017
Export Citation:
Assignee:
Nippon Special Ceramics Co., Ltd.
International Classes:
G01N27/409
Domestic Patent References:
| JP2012002805A | ||||
| JP8510332A | ||||
| JP1296159A | ||||
| JP2004245828A | ||||
| JP2017058358A | ||||
| JP2015200628A |
Foreign References:
| US20150075253 |
Attorney, Agent or Firm:
Hiroki Nakajima