JPH0344659U - - Google Patents
Info
- Publication number
- JPH0344659U JPH0344659U JP10521689U JP10521689U JPH0344659U JP H0344659 U JPH0344659 U JP H0344659U JP 10521689 U JP10521689 U JP 10521689U JP 10521689 U JP10521689 U JP 10521689U JP H0344659 U JPH0344659 U JP H0344659U
- Authority
- JP
- Japan
- Prior art keywords
- zirconia tube
- sensor body
- outside
- covers
- catalyst layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims 3
- 239000011241 protective layer Substances 0.000 claims 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
Description
第１図および第２図は本考案の実施例を示し、
第１図はジルコニアチユーブの縦断面図、第２図
はジルコニアチユーブの先端側を拡大して示す部
分詳細断面図、第３図ないし第６図は従来技術を
示し、第３図は酸素センサの縦断面図、第４図は
ジルコニアチユーブの縦断面図、第５図はジルコ
ニアチユーブの先端側を拡大して示す部分詳細断
面図、第６図は検出信号の特性線図である。
１……センサ本体、５……ジルコニアチユーブ
、５Ａ……開口端、５Ｂ……閉塞端、７……内側
電極、８……外側電極、９…白金蒸着層（触媒層
）、１０……保護層、２１……多孔質層。
1 and 2 show an embodiment of the present invention,
Fig. 1 is a longitudinal sectional view of a zirconia tube, Fig. 2 is a partially detailed sectional view showing an enlarged tip side of the zirconia tube, Figs. 3 to 6 show conventional technology, and Fig. 3 is an oxygen sensor. FIG. 4 is a vertical cross-sectional view of the zirconia tube, FIG. 5 is a partially detailed cross-sectional view showing an enlarged front end of the zirconia tube, and FIG. 6 is a characteristic line diagram of a detection signal. DESCRIPTION OF SYMBOLS 1... Sensor body, 5... Zirconia tube, 5A... Open end, 5B... Closed end, 7... Inner electrode, 8... Outer electrode, 9... Platinum vapor deposited layer (catalyst layer), 10... Protection Layer 21... Porous layer.
Claims (1)
られ、先端側が該センサ本体外に突出して閉塞端
となつたジルコニアチユーブとからなり、該ジル
コニアチユーブの内、外面には内側電極、外側電
極を設けると共に、該ジルコニアチユーブの外面
には、該外側電極を外側から覆う触媒層と、該触
媒層を外側から覆う保護層とを設けてなる酸素セ
ンサにおいて、前記ジルコニアチユーブには保護
層の外側にカルシウムを含有させた多孔質層を設
けたことを特徴とする酸素センサ。 It consists of a sensor body and a zirconia tube whose base end is attached to the sensor body and whose distal end protrudes outside the sensor body to become a closed end, and inner and outer electrodes are provided on the inner and outer surfaces of the zirconia tube. In addition, in the oxygen sensor, the zirconia tube has a catalyst layer that covers the outer electrode from the outside and a protective layer that covers the catalyst layer from the outside on the outer surface of the zirconia tube. An oxygen sensor characterized by having a porous layer containing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10521689U JPH0344659U (en) | 1989-09-07 | 1989-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10521689U JPH0344659U (en) | 1989-09-07 | 1989-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0344659U true JPH0344659U (en) | 1991-04-25 |
Family
ID=31653985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10521689U Pending JPH0344659U (en) | 1989-09-07 | 1989-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0344659U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002228631A (en) * | 2001-01-31 | 2002-08-14 | Ngk Spark Plug Co Ltd | Gas sensor and its manufacturing method |
| WO2016147768A1 (en) * | 2015-03-17 | 2016-09-22 | トヨタ自動車株式会社 | Gas sensor element |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6214055A (en) * | 1985-07-12 | 1987-01-22 | Japan Electronic Control Syst Co Ltd | Oxygen sensor |
| JPH01119755A (en) * | 1987-11-02 | 1989-05-11 | Japan Electron Control Syst Co Ltd | Oxygen sensor in internal combustion engine |
| JPH02222830A (en) * | 1988-11-01 | 1990-09-05 | Ngk Spark Plug Co Ltd | Oxygen sensor for prevention of poisoning from si |
-
1989
- 1989-09-07 JP JP10521689U patent/JPH0344659U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6214055A (en) * | 1985-07-12 | 1987-01-22 | Japan Electronic Control Syst Co Ltd | Oxygen sensor |
| JPH01119755A (en) * | 1987-11-02 | 1989-05-11 | Japan Electron Control Syst Co Ltd | Oxygen sensor in internal combustion engine |
| JPH02222830A (en) * | 1988-11-01 | 1990-09-05 | Ngk Spark Plug Co Ltd | Oxygen sensor for prevention of poisoning from si |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002228631A (en) * | 2001-01-31 | 2002-08-14 | Ngk Spark Plug Co Ltd | Gas sensor and its manufacturing method |
| JP4520648B2 (en) * | 2001-01-31 | 2010-08-11 | 日本特殊陶業株式会社 | Gas sensor and manufacturing method thereof |
| WO2016147768A1 (en) * | 2015-03-17 | 2016-09-22 | トヨタ自動車株式会社 | Gas sensor element |
| JP2016173323A (en) * | 2015-03-17 | 2016-09-29 | 株式会社日本自動車部品総合研究所 | Gas sensor element |
| CN107076697A (en) * | 2015-03-17 | 2017-08-18 | 丰田自动车株式会社 | Gas sensor element |
| US10371659B2 (en) | 2015-03-17 | 2019-08-06 | Toyota Jidosha Kabushiki Kaisha | Gas sensor element |
| DE112016001244B4 (en) * | 2015-03-17 | 2020-11-05 | Denso Corporation | Gas sensor element |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0284603U (en) | ||
| JPH0344659U (en) | ||
| JPS63113954U (en) | ||
| JPS5931054U (en) | oxygen sensor | |
| JPH0171661U (en) | ||
| JPH0171660U (en) | ||
| JPH0187246U (en) | ||
| JPH0312163U (en) | ||
| JPS5953267U (en) | oxygen sensor | |
| JPS62203446U (en) | ||
| JPS6237721U (en) | ||
| JPS63113956U (en) | ||
| JPS6189160U (en) | ||
| JPS6253572U (en) | ||
| JPH0185663U (en) | ||
| JPS63161357U (en) | ||
| JPS63159760U (en) | ||
| JPS6383653U (en) | ||
| JPH0297658U (en) | ||
| JPH0353204U (en) | ||
| JPH0245453U (en) | ||
| JPH03123260U (en) | ||
| JPS632587U (en) | ||
| JPS6338054U (en) | ||
| JPS5891154U (en) | oxygen concentration sensor |