JPH01139016U - - Google Patents
Info
- Publication number
- JPH01139016U JPH01139016U JP3442788U JP3442788U JPH01139016U JP H01139016 U JPH01139016 U JP H01139016U JP 3442788 U JP3442788 U JP 3442788U JP 3442788 U JP3442788 U JP 3442788U JP H01139016 U JPH01139016 U JP H01139016U
- Authority
- JP
- Japan
- Prior art keywords
- pipe section
- straight pipe
- point
- branch passages
- downstream
- 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
- 238000000746 purification Methods 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図乃至第３図はこの考案の第１の実施例に
係わり、第１図は排気浄化装置の全体構成図、第
２図はその作用説明図、第３図は機関回転数と軸
トルクとの相関図、第４図は第２の実施例の排気
浄化装置の全体構成図、第５図はその作用説明図
、第６図は第３の実施例の排気浄化装置の全体構
成図、第７図及び第８図は従来の排気浄化装置の
排気流動状態を示す作用説明図である。
２５……排気マニホールド、２７，２９，３１
，３３……分岐通路、３５……集合部、３７……
直管部、３９……拡管部、４３……触媒。
Figures 1 to 3 relate to the first embodiment of this invention, in which Figure 1 is an overall configuration diagram of the exhaust purification device, Figure 2 is an explanatory diagram of its operation, and Figure 3 is the engine speed and shaft torque. 4 is an overall configuration diagram of the exhaust gas purification device of the second embodiment, FIG. 5 is an explanatory diagram of its operation, and FIG. 6 is an overall configuration diagram of the exhaust gas purification device of the third embodiment. FIGS. 7 and 8 are action explanatory diagrams showing the exhaust flow state of the conventional exhaust gas purification device. 25...Exhaust manifold, 27, 29, 31
, 33...branch passage, 35...gathering section, 37...
Straight pipe section, 39... Expanded pipe section, 43... Catalyst.
Claims (1)
路を、各分岐通路相互の集合部に至るまで徐々に
集合させると共に、この集合部から下流側を所定
長の直管部とし、更にこの直管部の下流側を下流
側程通路面積が大となる拡管部としてその下流側
端部に触媒を設けたことを特徴とする排気浄化装
置。 The branch passages that communicate with each cylinder of the exhaust manifold are gradually brought together up to the point where the branch passages come together, and the downstream side from this point is made into a straight pipe section of a predetermined length, and furthermore, the straight pipe section of this straight pipe section is An exhaust gas purification device characterized in that a catalyst is provided at the downstream end of an enlarged pipe section whose passage area becomes larger as it goes downstream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3442788U JPH01139016U (en) | 1988-03-17 | 1988-03-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3442788U JPH01139016U (en) | 1988-03-17 | 1988-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01139016U true JPH01139016U (en) | 1989-09-22 |
Family
ID=31261138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3442788U Pending JPH01139016U (en) | 1988-03-17 | 1988-03-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01139016U (en) |
-
1988
- 1988-03-17 JP JP3442788U patent/JPH01139016U/ja active Pending