JPH01115826U - - Google Patents
Info
- Publication number
- JPH01115826U JPH01115826U JP1061988U JP1061988U JPH01115826U JP H01115826 U JPH01115826 U JP H01115826U JP 1061988 U JP1061988 U JP 1061988U JP 1061988 U JP1061988 U JP 1061988U JP H01115826 U JPH01115826 U JP H01115826U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- exhaust pressure
- output
- throttle valve
- exhaust passage
- 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
- 230000008929 regeneration Effects 0.000 claims description 2
- 238000011069 regeneration method Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 1
Description
第１図は本考案の一実施例を示す構成図、第２
図は走行距離とフイルタ排出量との関係を示す線
図、第３図はエンジン回転数と排圧との関係を示
す図、第４図はエンジン回転数とバルブ開度との
関係を示す線図、第５図乃至第８図はそれぞれ本
考案に係る装置の作用を説明するためのフローチ
ヤートである。
１０……排気通路、１２……フイルタ、１４…
…再生用補助燃焼装置、１６……電磁弁、２０…
…排気圧力センサ、２２……コントローラ、２４
……エンジン回転数センサ、２６……エンジン負
荷センサ。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
Figure 3 is a diagram showing the relationship between mileage and filter emissions, Figure 3 is a diagram showing the relationship between engine speed and exhaust pressure, and Figure 4 is a line showing the relationship between engine speed and valve opening. 5 to 8 are flowcharts for explaining the operation of the apparatus according to the present invention. 10...exhaust passage, 12...filter, 14...
...Auxiliary combustion device for regeneration, 16...Solenoid valve, 20...
...Exhaust pressure sensor, 22...Controller, 24
...Engine speed sensor, 26...Engine load sensor.
Claims (1)
イルタと、フイルタより上流側の排気通路に設け
られ、排気ガスを燃焼する再生用補助燃焼器と、
排気通路中に挿入された弁体の開度に応じて排圧
を調整する絞り弁と、排気通路中の排圧を検出す
る排気圧力センサと、エンジン回転数を検出する
エンジン回転数センサと、排気圧力センサとエン
ジン回転数センサの出力を取り込み、エンジン回
転数センサの出力に対応した基準排圧と排気圧力
センサの出力とを比較し、該比較結果に応じて絞
り弁の開度を制御する絞り弁制御手段とを有する
ことを特徴とするデイーゼル機関の排気浄化装置
。 a filter that collects particulates in the exhaust passage; a regeneration auxiliary combustor that is provided in the exhaust passage upstream of the filter and burns the exhaust gas;
A throttle valve that adjusts the exhaust pressure according to the opening degree of a valve body inserted into the exhaust passage, an exhaust pressure sensor that detects the exhaust pressure in the exhaust passage, and an engine rotation speed sensor that detects the engine rotation speed. The output of the exhaust pressure sensor and engine speed sensor is taken in, the reference exhaust pressure corresponding to the output of the engine speed sensor is compared with the output of the exhaust pressure sensor, and the opening degree of the throttle valve is controlled according to the comparison result. 1. An exhaust purification device for a diesel engine, comprising a throttle valve control means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1061988U JPH01115826U (en) | 1988-01-29 | 1988-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1061988U JPH01115826U (en) | 1988-01-29 | 1988-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01115826U true JPH01115826U (en) | 1989-08-04 |
Family
ID=31218440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1061988U Pending JPH01115826U (en) | 1988-01-29 | 1988-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01115826U (en) |
-
1988
- 1988-01-29 JP JP1061988U patent/JPH01115826U/ja active Pending
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