Title:
ガスセンサ及びガスセンサの保護部材
Document Type and Number:
Japanese Patent JP7332520
Kind Code:
B2
Abstract:
A gas sensor (1) including a sensor element (10); a metallic shell (138); a tubular outer surface member (190) attached directly or indirectly to the metallic shell, constitutes an outer surface of the gas sensor, and extends toward a rear end side in relation to the metallic shell; and a tubular protection member (210, 220) which is detachably fixed to a fixation region C1, C2 of an outer circumference of the outer surface member. The protection member includes a first arc portion (212), a second arc portion (222), and a fixation portion (214,224) brought into contact with and is fixed to the fixation region. When the protection member fixed to the outer circumference of the outer surface member by fixing the fixation portion to the fixation region is viewed in the axial O direction, the first arc portion and the second arc portion cover in total at least 90% of the entire circumference of the outer surface of the outer surface member.
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Inventors:
Liu Sun Chao
Kazuhiro Kamimae
Takehiro Oba
Motohiko Nakamura
Kenji Masuda
Kazuhiro Kamimae
Takehiro Oba
Motohiko Nakamura
Kenji Masuda
Application Number:
JP2020060446A
Publication Date:
August 23, 2023
Filing Date:
March 30, 2020
Export Citation:
Assignee:
Nippon Special Ceramics Co., Ltd.
International Classes:
G01N27/409
Domestic Patent References:
| JP2004245663A | ||||
| JP2016095223A |
Foreign References:
| CN104847468A |
Attorney, Agent or Firm:
Kenichiro Akao
Akira Shimoda
Akira Shimoda