JPH0226717U - - Google Patents
Info
- Publication number
- JPH0226717U JPH0226717U JP10513788U JP10513788U JPH0226717U JP H0226717 U JPH0226717 U JP H0226717U JP 10513788 U JP10513788 U JP 10513788U JP 10513788 U JP10513788 U JP 10513788U JP H0226717 U JPH0226717 U JP H0226717U
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- catalytic converter
- deterioration
- detection device
- temperature 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
- 239000003054 catalyst Substances 0.000 claims description 8
- 230000006866 deterioration Effects 0.000 claims description 4
- 230000003197 catalytic effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１，２図は本考案に係る触媒の劣化検出装置
の一実施例を示す図であり、第１図はその全体構
成図、第２図はその触媒の劣化と触媒温度の関係
を示す図、第３図は従来の排出ガスの温度検出装
置を示す全体構成図である。
１１……触媒コンバータ、１３……三元触媒、
１４，１５……温度センサ、１９……比較器。
Figures 1 and 2 are diagrams showing an embodiment of a catalyst deterioration detection device according to the present invention, with Figure 1 being an overall configuration diagram thereof, and Figure 2 being a diagram showing the relationship between catalyst deterioration and catalyst temperature. , FIG. 3 is an overall configuration diagram showing a conventional exhaust gas temperature detection device. 11...Catalytic converter, 13...Three-way catalyst,
14, 15... Temperature sensor, 19... Comparator.
Claims (1)
内に温度センサを設け、該温度センサは該触媒コ
ンバータ内に収容された触媒内の上流側と下流側
の所定位置に複数固定され、これらの温度センサ
の出力に基づいて該触媒の劣化が判別されるよう
に構成したことを特徴とする触媒の劣化検出装置
。 A temperature sensor is provided in the catalytic converter disposed in the exhaust system of the engine, and a plurality of temperature sensors are fixed at predetermined positions on the upstream side and downstream side of the catalyst housed in the catalytic converter. 1. A catalyst deterioration detection device characterized in that the deterioration of the catalyst is determined based on the output of the catalyst.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10513788U JPH0226717U (en) | 1988-08-08 | 1988-08-08 | |
| US07/379,134 US5060473A (en) | 1988-07-13 | 1989-07-13 | System for detecting deterioration of catalyst in catalytic converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10513788U JPH0226717U (en) | 1988-08-08 | 1988-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0226717U true JPH0226717U (en) | 1990-02-21 |
Family
ID=31337481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10513788U Pending JPH0226717U (en) | 1988-07-13 | 1988-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0226717U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008526471A (en) * | 2004-12-30 | 2008-07-24 | エミテック ゲゼルシヤフト フユア エミツシオンス テクノロギー ミツト ベシユレンクテル ハフツング | Honeycomb body provided with at least partially ceramic honeycomb structure and measurement sensor housing and method for manufacturing the honeycomb body |
| JP2017089400A (en) * | 2015-11-03 | 2017-05-25 | 株式会社デンソー | Exhaust emission control system and purification control device |
-
1988
- 1988-08-08 JP JP10513788U patent/JPH0226717U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008526471A (en) * | 2004-12-30 | 2008-07-24 | エミテック ゲゼルシヤフト フユア エミツシオンス テクノロギー ミツト ベシユレンクテル ハフツング | Honeycomb body provided with at least partially ceramic honeycomb structure and measurement sensor housing and method for manufacturing the honeycomb body |
| JP2017089400A (en) * | 2015-11-03 | 2017-05-25 | 株式会社デンソー | Exhaust emission control system and purification control device |