JPS5884558U - Protection device for smoke sensor in internal combustion engine - Google Patents
Protection device for smoke sensor in internal combustion engineInfo
- Publication number
- JPS5884558U JPS5884558U JP18087081U JP18087081U JPS5884558U JP S5884558 U JPS5884558 U JP S5884558U JP 18087081 U JP18087081 U JP 18087081U JP 18087081 U JP18087081 U JP 18087081U JP S5884558 U JPS5884558 U JP S5884558U
- Authority
- JP
- Japan
- Prior art keywords
- smoke sensor
- internal combustion
- combustion engine
- protection device
- smoke
- 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
Landscapes
- Optical Measuring Cells (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Testing Of Engines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案第１実施例の縦断正面図、第２図は本考
案第２実施例の縦断正面図、−第３図は第２図の■−■
視断面断面図４図は本考案第３実施例の縦断正面図、第
５図は第４図の■−■視断面断面図る。
１・・・・・・排気管、２．２ａ、 ２ｂ・・・・・・
箱体、６゜５ａ、 ５ｂ・・・・・・透光部、７・・・
・・・投光器、８・・・・・・受光器、９・・・・・・
シャッタ、１０・・・・・・アクチェータ。Fig. 1 is a longitudinal sectional front view of the first embodiment of the present invention, Fig. 2 is a longitudinal sectional front view of the second embodiment of the invention, - Fig. 3 is the ■-■ of Fig. 2.
4 is a longitudinal sectional front view of the third embodiment of the present invention, and FIG. 5 is a sectional view taken along the line 1--2 of FIG. 4. 1...Exhaust pipe, 2.2a, 2b...
Box body, 6゜5a, 5b...Transparent part, 7...
...Emitter, 8...Receiver, 9...
Shutter, 10... actuator.
Claims (1)
気系中に設けたスモークセンサーによって検出し、フル
スロットル近傍のスモーク濃度がある許容値を越えない
ように燃料噴射量を増減子るようにフィードバック制御
するにおいて、前記゛ スモークセンサーにはこれを排
気ガスに対して開閉するシャッタを設け、該シャッタを
機関のアイドリング又はこれに近い低回転域において閉
じるように関連したことを特徴とする内燃機関における
スモークセンサーの保護装置。The smoke concentration in the exhaust gas of a diesel engine is detected by a smoke sensor installed in the exhaust system, and feedback control is performed to increase or decrease the fuel injection amount so that the smoke concentration near full throttle does not exceed a certain allowable value. , the smoke sensor for an internal combustion engine, characterized in that the smoke sensor is provided with a shutter that opens and closes with respect to exhaust gas, and the shutter is closed when the engine is idling or in a low rotational range close to this. Protective device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18087081U JPS5884558U (en) | 1981-12-03 | 1981-12-03 | Protection device for smoke sensor in internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18087081U JPS5884558U (en) | 1981-12-03 | 1981-12-03 | Protection device for smoke sensor in internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5884558U true JPS5884558U (en) | 1983-06-08 |
Family
ID=29977850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18087081U Pending JPS5884558U (en) | 1981-12-03 | 1981-12-03 | Protection device for smoke sensor in internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5884558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008203048A (en) * | 2007-02-19 | 2008-09-04 | Toyota Motor Corp | Sensor for exhaust gas analysis |
-
1981
- 1981-12-03 JP JP18087081U patent/JPS5884558U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008203048A (en) * | 2007-02-19 | 2008-09-04 | Toyota Motor Corp | Sensor for exhaust gas analysis |
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