JPH01105719U - - Google Patents
Info
- Publication number
- JPH01105719U JPH01105719U JP111388U JP111388U JPH01105719U JP H01105719 U JPH01105719 U JP H01105719U JP 111388 U JP111388 U JP 111388U JP 111388 U JP111388 U JP 111388U JP H01105719 U JPH01105719 U JP H01105719U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- trap
- catalyst
- particulates
- 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
- 239000003054 catalyst Substances 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims 3
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Description
第１図はこの考案の実施例を示す構成図、第２
図は減速運転状態時の制御要領を示す表、第３図
は制御装置内の回路のフローチヤート、第４図は
従来構造を示す図である。
１…排気管、３…触媒付トラツプ、７…ヒータ
装置、９，９Ａ…制御装置、１２，１３…圧力検
知器、１６…温度センサー。
Figure 1 is a configuration diagram showing an embodiment of this invention, Figure 2
The figure is a table showing the control procedure during deceleration operation, FIG. 3 is a flowchart of the circuit within the control device, and FIG. 4 is a diagram showing the conventional structure. DESCRIPTION OF SYMBOLS 1... Exhaust pipe, 3... Trap with catalyst, 7... Heater device, 9, 9A... Control device, 12, 13... Pressure detector, 16... Temperature sensor.
Claims (1)
を捕集する触媒付トラツプと、該触媒付トラツプ
をバイパスする排気バイパス通路と、該排気バイ
パス通路を開閉する開閉弁と、触媒付トラツプ上
流側に設置され、流入する排気ガスを加熱して排
気微粒子の燃焼を促進させるヒータ装置とを備え
た排気微粒子処理装置において、 内燃機関が減速運転状態を検知し、前記バイパ
ス通路開閉弁と前記ヒータ装置とを、排温及び排
気微粒子堆積量に応じて多段階に組合せ制御した
ことを特徴とする内燃機関の排気微粒子処理装置
。[Claims for Utility Model Registration] A trap with a catalyst that collects exhaust particulates in exhaust gas in an exhaust passage of an internal combustion engine, an exhaust bypass passage that bypasses the trap with a catalyst, and an on-off valve that opens and closes the exhaust bypass passage. and a heater device that is installed upstream of the trap with a catalyst and heats the inflowing exhaust gas to promote combustion of the exhaust particulates. 1. An exhaust particulate processing device for an internal combustion engine, characterized in that a passage opening/closing valve and the heater device are controlled in combination in multiple stages according to exhaust temperature and the amount of accumulated exhaust particulates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP111388U JPH01105719U (en) | 1988-01-09 | 1988-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP111388U JPH01105719U (en) | 1988-01-09 | 1988-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105719U true JPH01105719U (en) | 1989-07-17 |
Family
ID=31200715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP111388U Pending JPH01105719U (en) | 1988-01-09 | 1988-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003001038A1 (en) * | 2001-06-26 | 2003-01-03 | Isuzu Motors Limited | Regenerative control method for continuous regenerative diesel particulate filter device |
-
1988
- 1988-01-09 JP JP111388U patent/JPH01105719U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003001038A1 (en) * | 2001-06-26 | 2003-01-03 | Isuzu Motors Limited | Regenerative control method for continuous regenerative diesel particulate filter device |