JPH01131810U - - Google Patents
Info
- Publication number
- JPH01131810U JPH01131810U JP2769388U JP2769388U JPH01131810U JP H01131810 U JPH01131810 U JP H01131810U JP 2769388 U JP2769388 U JP 2769388U JP 2769388 U JP2769388 U JP 2769388U JP H01131810 U JPH01131810 U JP H01131810U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- hole
- downstream end
- control valve
- muffler body
- 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 2
- 230000030279 gene silencing Effects 0.000 claims 2
- 230000003584 silencer Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案に係る内燃機関の排気消音装置
の一実施例を一部断面して示す全体構成図、第２
図は、本実施例に基づく音圧レベル特性を示すグ
ラフ、第３図は本実施例が適用される排気装置を
示す全体構成図、第４図は従来の排気消音装置を
示す縦断面図である。
５……排気導入管、５ａ……下流端部、６……
消音装置、１０……マフラ本体、２１……通孔、
２２……コントロールユニツト（制御手段）、２
３……電磁制御弁。
FIG. 1 is an overall configuration diagram showing a partially cross-sectional view of an embodiment of an exhaust silencer for an internal combustion engine according to the present invention, and FIG.
The figure is a graph showing sound pressure level characteristics based on this embodiment, Figure 3 is an overall configuration diagram showing an exhaust system to which this embodiment is applied, and Figure 4 is a vertical cross-sectional view showing a conventional exhaust silencer. be. 5...Exhaust introduction pipe, 5a...Downstream end, 6...
Silencer, 10...muffler body, 21...through hole,
22...Control unit (control means), 2
3...Solenoid control valve.
Claims (1)
置してなる排気消音装置において、上記マフラ本
体内に臨む上記下流端部の所定個所に通孔を穿設
すると共に、該通孔を開閉する制御弁を設け、更
に該制御弁を機関運転状態に応じて開閉制御する
制御手段を設けたことを特徴とする内燃機関の排
気消音装置。 In an exhaust silencing device in which a downstream end of an exhaust introduction pipe is inserted into a muffler body, a through hole is bored at a predetermined location of the downstream end facing into the muffler body, and the through hole is opened and closed. 1. An exhaust silencing device for an internal combustion engine, comprising a control valve and further comprising control means for controlling opening and closing of the control valve according to engine operating conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2769388U JPH01131810U (en) | 1988-03-02 | 1988-03-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2769388U JPH01131810U (en) | 1988-03-02 | 1988-03-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01131810U true JPH01131810U (en) | 1989-09-07 |
Family
ID=31250405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2769388U Pending JPH01131810U (en) | 1988-03-02 | 1988-03-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01131810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001152827A (en) * | 1999-11-26 | 2001-06-05 | Tokyo Roki Co Ltd | Catalyst muffler |
-
1988
- 1988-03-02 JP JP2769388U patent/JPH01131810U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001152827A (en) * | 1999-11-26 | 2001-06-05 | Tokyo Roki Co Ltd | Catalyst muffler |
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