JPH0444428U - - Google Patents
Info
- Publication number
- JPH0444428U JPH0444428U JP8763690U JP8763690U JPH0444428U JP H0444428 U JPH0444428 U JP H0444428U JP 8763690 U JP8763690 U JP 8763690U JP 8763690 U JP8763690 U JP 8763690U JP H0444428 U JPH0444428 U JP H0444428U
- Authority
- JP
- Japan
- Prior art keywords
- internal combustion
- combustion engine
- cylinder head
- exhaust port
- utility
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図はこの考案の第１実施例を示す内燃機関
要部の断面図、第２図は第２実施例を示す内燃機
関要部の断面図、第３図はこの実施例におけるコ
ントロールバルブの制御系を示す構成説明図、第
４図はコントロールバルブの冷却水温に対する制
御特性を示す特性図、第５図は同じく機関回転数
と負荷とに対する制御特性を示す特性図、第６図
はこの実施例における触媒の温度上昇特性を従来
のものと比較して示す特性図である。
３……シリンダヘツド、８……排気ポート、１
２……触媒、２２……コントロールバルブ。
Fig. 1 is a sectional view of the main parts of an internal combustion engine showing the first embodiment of this invention, Fig. 2 is a sectional view of the main parts of the internal combustion engine showing the second embodiment, and Fig. 3 is a sectional view of the main parts of the internal combustion engine showing the second embodiment. A configuration explanatory diagram showing the control system, Fig. 4 is a characteristic diagram showing the control characteristics of the control valve with respect to the cooling water temperature, Fig. 5 is a characteristic diagram showing the control characteristics with respect to engine speed and load, and Fig. 6 is a characteristic diagram showing the control characteristics with respect to the engine speed and load. It is a characteristic diagram which shows the temperature rise characteristic of the catalyst in an example compared with the conventional one. 3...Cylinder head, 8...Exhaust port, 1
2...Catalyst, 22...Control valve.
Claims (1)
壁に沿つて、筒状をなす触媒を配設したことを特
徴とする内燃機関の排気浄化装置。 An exhaust purification device for an internal combustion engine, characterized in that a cylindrical catalyst is disposed along the inner wall of each exhaust port formed in a cylinder head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8763690U JPH0444428U (en) | 1990-08-22 | 1990-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8763690U JPH0444428U (en) | 1990-08-22 | 1990-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0444428U true JPH0444428U (en) | 1992-04-15 |
Family
ID=31820153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8763690U Pending JPH0444428U (en) | 1990-08-22 | 1990-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0444428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020002871A (en) * | 2018-06-28 | 2020-01-09 | 株式会社クボタ | engine |
-
1990
- 1990-08-22 JP JP8763690U patent/JPH0444428U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020002871A (en) * | 2018-06-28 | 2020-01-09 | 株式会社クボタ | engine |