JPH0437826U - - Google Patents
Info
- Publication number
- JPH0437826U JPH0437826U JP7856090U JP7856090U JPH0437826U JP H0437826 U JPH0437826 U JP H0437826U JP 7856090 U JP7856090 U JP 7856090U JP 7856090 U JP7856090 U JP 7856090U JP H0437826 U JPH0437826 U JP H0437826U
- Authority
- JP
- Japan
- Prior art keywords
- flow path
- exhaust gas
- oxidation catalyst
- cylinder group
- exhaust
- 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 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims 2
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
図は本考案の一実施例を示す概略構成図である
。
１……エンジン、２……第１気筒群、３……第
２気筒群、４……酸化触媒、５……第１排気流路
、６……第２排気流路、７……バイパス流路、８
……流路切換弁、９……アクチユエータ、１０…
…コントローラ。
The figure is a schematic configuration diagram showing an embodiment of the present invention. 1... Engine, 2... First cylinder group, 3... Second cylinder group, 4... Oxidation catalyst, 5... First exhaust flow path, 6... Second exhaust flow path, 7... Bypass flow Road, 8
...Flow path switching valve, 9...Actuator, 10...
…controller.
Claims (1)
るエンジンにおいて、 部分負荷時に燃料を噴射される第１気筒群から
排出される排気ガスを酸化触媒に導く第１排気流
路と、 部分負荷時に燃料を噴射されない第２気筒群か
ら排出される排気ガスを酸化触媒に導く第２排気
流路と、 この第２排気流路から分岐されていて、第２気
筒群から排出される排気ガスを上記酸化触媒から
バイパスさせるバイパス流路と、 このバイパス流路と第２排気流路との分岐部に
設けられた流路切換弁と、 この流路切換弁を、エンジンの高負荷時には上
記第２気筒群の排気ガスを上記第２排気流路に導
く第１位置に、エンジンの部分負荷時には上記第
２気筒群の排気ガスを上記バイパス流路に導く第
２位置に切り換え制御する制御装置 とを備えた触媒の酸化促進機構。[Claims for Utility Model Registration] In an engine equipped with an oxidation catalyst and operated with reduced cylinders under partial load, a first cylinder that guides exhaust gas discharged from the first cylinder group to which fuel is injected during partial load to the oxidation catalyst an exhaust flow path; a second exhaust flow path that guides exhaust gas discharged from the second cylinder group in which fuel is not injected during partial load to the oxidation catalyst; a bypass flow path that bypasses exhaust gas discharged from the oxidation catalyst from the oxidation catalyst; a flow path switching valve provided at a branch between the bypass flow path and the second exhaust flow path; When the engine is under high load, the exhaust gas from the second cylinder group is guided to a first position to guide the exhaust gas to the second exhaust flow path, and when the engine is at a partial load, the exhaust gas from the second cylinder group is guided to the bypass flow path to a second position. A catalyst oxidation promoting mechanism comprising a control device for switching control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7856090U JPH0437826U (en) | 1990-07-24 | 1990-07-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7856090U JPH0437826U (en) | 1990-07-24 | 1990-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0437826U true JPH0437826U (en) | 1992-03-31 |
Family
ID=31621944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7856090U Pending JPH0437826U (en) | 1990-07-24 | 1990-07-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0437826U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100489772B1 (en) * | 2001-03-06 | 2005-05-16 | 혼다 기켄 고교 가부시키가이샤 | Step holder system of motorcycle |
| WO2008114730A1 (en) * | 2007-03-14 | 2008-09-25 | Toyota Jidosha Kabushiki Kaisha | Exhaust control device for internal combustion engine |
-
1990
- 1990-07-24 JP JP7856090U patent/JPH0437826U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100489772B1 (en) * | 2001-03-06 | 2005-05-16 | 혼다 기켄 고교 가부시키가이샤 | Step holder system of motorcycle |
| WO2008114730A1 (en) * | 2007-03-14 | 2008-09-25 | Toyota Jidosha Kabushiki Kaisha | Exhaust control device for internal combustion engine |
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