JPS61139465U - - Google Patents
Info
- Publication number
- JPS61139465U JPS61139465U JP2337085U JP2337085U JPS61139465U JP S61139465 U JPS61139465 U JP S61139465U JP 2337085 U JP2337085 U JP 2337085U JP 2337085 U JP2337085 U JP 2337085U JP S61139465 U JPS61139465 U JP S61139465U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- atmosphere
- opened
- cooling system
- gas sensor
- 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
- 238000001816 cooling Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第１図は、本考案の実施例による排気ガスセン
サの冷却システムに用いられた排気ガスセンサの
断面図、第２図は、本考案の実施例による排気ガ
スセンサの冷却システムを示す回路図である。
１……排気ガスセンサ、２……排気マニホルド
（排気ガス通路）、７……素子、１１ａ，１１ｂ
……吸気通路、１５……負圧導管、１６……切換
弁、２５……三元触媒。
FIG. 1 is a sectional view of an exhaust gas sensor used in an exhaust gas sensor cooling system according to an embodiment of the present invention, and FIG. 2 is a circuit diagram showing the exhaust gas sensor cooling system according to an embodiment of the present invention. 1...Exhaust gas sensor, 2...Exhaust manifold (exhaust gas passage), 7...Element, 11a, 11b
...Intake passage, 15...Negative pressure conduit, 16...Switching valve, 25...Three-way catalyst.
Claims (1)
の素子の一部を排気ガス通路の中へ突出させた排
気ガスセンサの冷却システムにおいて、前記素子
を大気側に開口させるとともに、機関の吸気通路
から前記素子の内部へ負圧導管を導入し、前記負
圧導管に、冷間時、大気をブリードする切換弁を
設けたことを特徴とする排気ガスセンサの冷却シ
ステム。 In an exhaust gas sensor cooling system in which a part of a cylindrical element protrudes into the exhaust gas passage in order to detect the oxygen concentration in the exhaust gas, the element is opened to the atmosphere and the element is opened to the atmosphere, and the cylindrical element is opened to the atmosphere side and is A cooling system for an exhaust gas sensor, characterized in that a negative pressure conduit is introduced into the inside of the element, and the negative pressure conduit is provided with a switching valve that bleeds the atmosphere when it is cold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2337085U JPS61139465U (en) | 1985-02-20 | 1985-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2337085U JPS61139465U (en) | 1985-02-20 | 1985-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61139465U true JPS61139465U (en) | 1986-08-29 |
Family
ID=30516544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2337085U Pending JPS61139465U (en) | 1985-02-20 | 1985-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61139465U (en) |
-
1985
- 1985-02-20 JP JP2337085U patent/JPS61139465U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62117244U (en) | ||
| JPS61139465U (en) | ||
| JPS6441659U (en) | ||
| JPS61152961U (en) | ||
| JPS6231715U (en) | ||
| JPS62117220U (en) | ||
| JPS61152962U (en) | ||
| JPS61137826U (en) | ||
| JPS61126070U (en) | ||
| JPS61152960U (en) | ||
| JPS63130660U (en) | ||
| JPH0352363U (en) | ||
| JPS63141821U (en) | ||
| JPS61159612U (en) | ||
| JPS61190459U (en) | ||
| JPS60190924U (en) | Exhaust gas purification device | |
| JPH0332162U (en) | ||
| JPH0243447U (en) | ||
| JPS60159814U (en) | Engine exhaust purification device | |
| JPS6163464U (en) | ||
| JPS6148957U (en) | ||
| JPS61159617U (en) | ||
| JPS62167160U (en) | ||
| JPS6369715U (en) | ||
| JPS62108700U (en) |