JPH0231326U - - Google Patents
Info
- Publication number
- JPH0231326U JPH0231326U JP10937188U JP10937188U JPH0231326U JP H0231326 U JPH0231326 U JP H0231326U JP 10937188 U JP10937188 U JP 10937188U JP 10937188 U JP10937188 U JP 10937188U JP H0231326 U JPH0231326 U JP H0231326U
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- muffler
- opening
- end surface
- protruding
- 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.)
- Granted
Links
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Description
第１図は本考案に係る可変マフラの一実施例を
示す断面図、第２図はエンジン回転速度―音圧レ
ベル・圧力損失の関係を示す特性図である。
１…可変マフラ、２…マフラ本体、３〜６…室
、８…排気導入管、９〜１１…通路、１２〜１４
…排気導出管、１５，１７…バルブ、１９，１９
′…リンク、２０…制御装置、２１，２１′…ア
クチユエータ、２２…制御回路。
FIG. 1 is a sectional view showing an embodiment of a variable muffler according to the present invention, and FIG. 2 is a characteristic diagram showing the relationship between engine rotation speed, sound pressure level, and pressure loss. 1... Variable muffler, 2... Muffler body, 3-6... Chamber, 8... Exhaust introduction pipe, 9-11... Passage, 12-14
...Exhaust outlet pipe, 15, 17...Valve, 19, 19
'... Link, 20... Control device, 21, 21'... Actuator, 22... Control circuit.
Claims (1)
隣合う各室が連通されたマフラ本体と、一端がマ
フラ本体の第１室側の前端面から突出し他端が第
１乃至第３室を貫通して第４室に開口する排気導
入管と、一端が第１室に開口し他端がマフラ本体
の第４室側の後端面から突出する第１の排気導出
管と、一端が第２室に開口し他端が前記後端面か
ら突出する第２の排気導出管と、一端が第３室に
開口し他端が前記後端面から突出する第３の排気
導出管と、第２及び第３の排気導出管に配設され
エンジンの運転状態に応じて開閉される第１及び
第２のバルブとを備えたことを特徴とする可変マ
フラ。 It is divided into four rooms: the first, second, third and fourth,
a muffler main body in which adjacent chambers communicate with each other; an exhaust introduction pipe having one end protruding from the front end surface of the muffler main body on the first chamber side and the other end penetrating the first to third chambers and opening into the fourth chamber; a first exhaust outlet pipe with one end opening into the first chamber and the other end protruding from the rear end surface on the fourth chamber side of the muffler body; and a first exhaust pipe with one end opening into the second chamber and the other end protruding from the rear end surface of the muffler body a third exhaust outlet pipe having one end opening into the third chamber and the other end protruding from the rear end surface; A variable muffler comprising first and second valves that are opened and closed accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10937188U JPH077531Y2 (en) | 1988-08-19 | 1988-08-19 | Variable muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10937188U JPH077531Y2 (en) | 1988-08-19 | 1988-08-19 | Variable muffler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0231326U true JPH0231326U (en) | 1990-02-27 |
| JPH077531Y2 JPH077531Y2 (en) | 1995-02-22 |
Family
ID=31345555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10937188U Expired - Lifetime JPH077531Y2 (en) | 1988-08-19 | 1988-08-19 | Variable muffler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH077531Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019078188A (en) * | 2017-10-20 | 2019-05-23 | マツダ株式会社 | Engine exhaust muffling device |
-
1988
- 1988-08-19 JP JP10937188U patent/JPH077531Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019078188A (en) * | 2017-10-20 | 2019-05-23 | マツダ株式会社 | Engine exhaust muffling device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH077531Y2 (en) | 1995-02-22 |