JPS61167411U - - Google Patents
Info
- Publication number
- JPS61167411U JPS61167411U JP5141285U JP5141285U JPS61167411U JP S61167411 U JPS61167411 U JP S61167411U JP 5141285 U JP5141285 U JP 5141285U JP 5141285 U JP5141285 U JP 5141285U JP S61167411 U JPS61167411 U JP S61167411U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- upstream
- downstream
- exhaust gas
- detection means
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 3
- 239000002245 particle Substances 0.000 claims 3
- 239000003054 catalyst Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Description
図面は本考案の実施例を示し、第１図はエンジ
ンの排気ガス浄化装置の全体構成図、第２図は制
御回路の処理の流れを示す流れ図である。
１…エンジン、３…渦流室、６，１６…排気通
路、７…パテイキユレートフイルタ、８…上流側
フイルタ、８ａ…上流側端面、９…下流側フイル
タ、１０…溶液噴射手段、１７…排気バイパス通
路、１８，１９…バイパス弁、２８…制御回路、
２９，３０…指圧センサ。
The drawings show an embodiment of the present invention, and FIG. 1 is an overall configuration diagram of an engine exhaust gas purification device, and FIG. 2 is a flowchart showing the flow of processing in a control circuit. DESCRIPTION OF SYMBOLS 1...Engine, 3...Swirl chamber, 6, 16...Exhaust passage, 7...Particulate filter, 8...Upstream filter, 8a...Upstream end face, 9...Downstream filter, 10...Solution injection means, 17...Exhaust Bypass passage, 18, 19... bypass valve, 28... control circuit,
29, 30...Shiatsu sensor.
Claims (1)
レートフイルタを備えたエンジンの排気ガス浄化
装置において、前記パテイキユレートフイルタを
上流側フイルタと下流側フイルタとに分割して構
成し、前記パテイキユレートフイルタの上流に前
記可燃性粒子の燃焼を促進させる触媒溶液を噴射
供給する溶液噴射手段と、上流側フイルタおよび
下流側フイルタに設定量の可燃性粒子が捕集され
たことを検出する第１および第２捕集検出手段と
、該第１捕集検出手段の出力を受け排気ガスを上
流側フイルタ上流より下流側フイルタ上流へ導く
一方、第２捕集検出手段の出力を受け排気ガスを
下流側フイルタ下流へ導く排気バイパス手段とを
備えていることを特徴とするエンジンの排気ガス
浄化装置。 In an engine exhaust gas purification device equipped with a particulate filter that collects combustible particles in the exhaust system, the particulate filter is divided into an upstream filter and a downstream filter, and the particulate filter is divided into an upstream filter and a downstream filter. solution injection means for injecting and supplying a catalyst solution that promotes combustion of the combustible particles upstream of the rate filter; and a first means for detecting that a set amount of combustible particles have been collected in the upstream filter and the downstream filter. and a second collection detection means, which receives the output of the first collection detection means and guides the exhaust gas from upstream of the upstream filter to upstream of the downstream filter, and receives the output of the second collection detection means and directs the exhaust gas downstream. An exhaust gas purification device for an engine, comprising: an exhaust gas bypass means for guiding downstream of a side filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5141285U JPH0329532Y2 (en) | 1985-04-05 | 1985-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5141285U JPH0329532Y2 (en) | 1985-04-05 | 1985-04-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61167411U true JPS61167411U (en) | 1986-10-17 |
| JPH0329532Y2 JPH0329532Y2 (en) | 1991-06-24 |
Family
ID=30570435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5141285U Expired JPH0329532Y2 (en) | 1985-04-05 | 1985-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0329532Y2 (en) |
-
1985
- 1985-04-05 JP JP5141285U patent/JPH0329532Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0329532Y2 (en) | 1991-06-24 |
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