JPS61187453U - - Google Patents
Info
- Publication number
- JPS61187453U JPS61187453U JP7048985U JP7048985U JPS61187453U JP S61187453 U JPS61187453 U JP S61187453U JP 7048985 U JP7048985 U JP 7048985U JP 7048985 U JP7048985 U JP 7048985U JP S61187453 U JPS61187453 U JP S61187453U
- Authority
- JP
- Japan
- Prior art keywords
- solid electrolyte
- gas diffusion
- outside surfaces
- electrode
- electrodes formed
- 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.)
- Granted
Links
- 238000009792 diffusion process Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 4
- 239000001301 oxygen Substances 0.000 claims 4
- 229910052760 oxygen Inorganic materials 0.000 claims 4
- 239000007789 gas Substances 0.000 claims 3
- 239000007784 solid electrolyte Substances 0.000 claims 2
- 230000003197 catalytic effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Description
第１図は本考案の空燃比検出器の一実施例の断
面図、第２図は本考案の検出器の出力特性の一例
を示すグラフ、第３図ないし第５図は本考案の検
出器の別の実施例の素子先端部分の断面図、第６
図は本考案の検出器の更に別の実施例の断面図、
第７図は従来の空燃比検出器の一例の断面図、第
８図は従来の検出器の出力特性の一例を示すグラ
フである。
図中、１，１′，１″，１，４，１８，１９
……素子、２……拡散孔、３ａ，３ｂ，５ａ，５
ｂ，１３……電極、６……シール材、７……発熱
体、８……管状ヒータ、９，１０，１１……リー
ド金具、１２……絶縁管、１４……ガス拡散層、
１５，１６……セラミツクフイルター、１７……
出力調整孔、２０……定電流電源、２１……定電
圧電源、２２，２３……リード線、２４……電流
測定器。
Figure 1 is a sectional view of an embodiment of the air-fuel ratio detector of the present invention, Figure 2 is a graph showing an example of the output characteristics of the detector of the present invention, and Figures 3 to 5 are the detectors of the present invention. 6th sectional view of the element tip portion of another embodiment of
The figure is a sectional view of yet another embodiment of the detector of the present invention.
FIG. 7 is a cross-sectional view of an example of a conventional air-fuel ratio detector, and FIG. 8 is a graph showing an example of the output characteristics of the conventional detector. In the figure, 1, 1', 1'', 1, 4, 18, 19
...Element, 2...Diffusion hole, 3a, 3b, 5a, 5
b, 13... Electrode, 6... Sealing material, 7... Heating element, 8... Tubular heater, 9, 10, 11... Lead metal fittings, 12... Insulating tube, 14... Gas diffusion layer,
15, 16... Ceramic filter, 17...
Output adjustment hole, 20... constant current power supply, 21... constant voltage power supply, 22, 23... lead wire, 24... current measuring device.
Claims (1)
続して酸素ポンプを構成した酸素イオン透過性固
体電解質よりなる第１の素子と、ガス拡散孔又は
ガス拡散層を設け内外両面に電極を形成し該電極
を電圧源に接続して限界電流式酸素センサを構成
した酸素イオン透過性固体電解質よりなる第２の
素子とを備えてなり、前記第１の素子の外面と前
記第２の素子の内面との間に空間を設け且つ該第
２の素子の外面に形成した電極が排気ガスに対し
て浄化触媒作用を有しない材料よりなることを特
徴とする空燃比検出器。 A first element made of an oxygen ion-permeable solid electrolyte with electrodes formed on both the inside and outside surfaces and connected to a DC power source to form an oxygen pump, and a gas diffusion hole or gas diffusion layer provided with electrodes formed on both the inside and outside surfaces. and a second element made of an oxygen ion-permeable solid electrolyte, the electrode of which is connected to a voltage source to constitute a limiting current type oxygen sensor, and the outer surface of the first element and the second element are connected to each other. An air-fuel ratio detector characterized in that the electrode formed on the outer surface of the second element and having a space between it and the inner surface is made of a material that does not have a purifying catalytic effect on exhaust gas.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7048985U JPH0641167Y2 (en) | 1985-05-13 | 1985-05-13 | Air-fuel ratio detector |
| DE19863615960 DE3615960A1 (en) | 1985-05-13 | 1986-05-12 | SENSOR FOR DETERMINING A AIR-FUEL RATIO |
| US06/862,718 US4712419A (en) | 1985-05-13 | 1986-05-13 | Air/fuel ratio detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7048985U JPH0641167Y2 (en) | 1985-05-13 | 1985-05-13 | Air-fuel ratio detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61187453U true JPS61187453U (en) | 1986-11-21 |
| JPH0641167Y2 JPH0641167Y2 (en) | 1994-10-26 |
Family
ID=30607105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7048985U Expired - Lifetime JPH0641167Y2 (en) | 1985-05-13 | 1985-05-13 | Air-fuel ratio detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0641167Y2 (en) |
-
1985
- 1985-05-13 JP JP7048985U patent/JPH0641167Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0641167Y2 (en) | 1994-10-26 |
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