JPH03129714U - - Google Patents
Info
- Publication number
- JPH03129714U JPH03129714U JP3764790U JP3764790U JPH03129714U JP H03129714 U JPH03129714 U JP H03129714U JP 3764790 U JP3764790 U JP 3764790U JP 3764790 U JP3764790 U JP 3764790U JP H03129714 U JPH03129714 U JP H03129714U
- Authority
- JP
- Japan
- Prior art keywords
- muffler
- end opened
- engine
- secondary air
- air introduction
- 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
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Description
第１図は本考案の第１実施例に係るマフラの断
面図、第２図は本考案の第２実施例の要部断面図
、第３図は本考案の第３実施例の要部断面図、第
４図は本考案の第４実施例の要部断面図、第５図
は従来のマフラを示す断面図、第６図はアフタバ
ーンを発生するマフラ内のガスの可燃域を示すグ
ラフである。
１……入口管、２……第１膨脹室、４……第２
膨脹室、６……テープパイプ、９……二次空気導
入管。
Fig. 1 is a sectional view of a muffler according to a first embodiment of the present invention, Fig. 2 is a sectional view of a main part of a second embodiment of the invention, and Fig. 3 is a sectional view of a main part of a third embodiment of the invention. Figure 4 is a sectional view of the main part of the fourth embodiment of the present invention, Figure 5 is a sectional view showing a conventional muffler, and Figure 6 is a graph showing the flammable range of gas in the muffler that generates afterburn. be. 1... Inlet pipe, 2... First expansion chamber, 4... Second
Expansion chamber, 6... tape pipe, 9... secondary air introduction pipe.
Claims (1)
ールパイプの出口近傍もしくはその途中に開口さ
せ、他端をマフラ内もしくはエンジンの排気通路
内に開口させた二次空気導入管を設けたことを特
徴とするアフタバーン防止マフラ。 A muffler for a spark-ignition engine is characterized by having a secondary air introduction pipe with one end opened near the exit of the tailpipe or halfway there, and the other end opened inside the muffler or into the exhaust passage of the engine. Afterburn prevention muffler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3764790U JPH03129714U (en) | 1990-04-10 | 1990-04-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3764790U JPH03129714U (en) | 1990-04-10 | 1990-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03129714U true JPH03129714U (en) | 1991-12-26 |
Family
ID=31544951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3764790U Pending JPH03129714U (en) | 1990-04-10 | 1990-04-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03129714U (en) |
-
1990
- 1990-04-10 JP JP3764790U patent/JPH03129714U/ja active Pending