JPH03185209A - Exhaust noise eliminator - Google Patents
Exhaust noise eliminatorInfo
- Publication number
- JPH03185209A JPH03185209A JP32408189A JP32408189A JPH03185209A JP H03185209 A JPH03185209 A JP H03185209A JP 32408189 A JP32408189 A JP 32408189A JP 32408189 A JP32408189 A JP 32408189A JP H03185209 A JPH03185209 A JP H03185209A
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- pipe
- noise
- engine
- opening
- 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
- 238000007599 discharging Methods 0.000 claims abstract 3
- 230000003584 silencer Effects 0.000 claims 1
- 230000010349 pulsation Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
Landscapes
- Exhaust Silencers (AREA)
Abstract
Description
【発明の詳細な説明】
(産業上の利用分野)
この発明は、自動車等に搭載され、そのエンジンの排気
音を低減させる排気消音器に関し、特には、弁の開閉に
より選択的に、エンジンの低回転時の脈動音等の低周波
音を低減させる効果と、エンジンの高回転時の気流音お
よび排気抵抗を低減させる効果とをもたらす排気消音器
に関するものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an exhaust muffler that is installed in an automobile or the like and reduces the exhaust noise of the engine, and particularly relates to an exhaust muffler that is installed in an automobile or the like and reduces the exhaust noise of the engine. The present invention relates to an exhaust muffler that has the effect of reducing low-frequency noise such as pulsation noise at low engine speeds, and the effect of reducing air flow noise and exhaust resistance at high engine speeds.
(従来の技術)(Conventional technology)
Claims (1)
一本具える排気消音器において、 前記排気排出管を二重管とし、その二重管の外側の管と
内側の管との間の通路を開閉する開閉弁を設けたことを
特徴とする、排気消音器。[Scope of Claims] 1. In an exhaust silencer equipped with one exhaust discharge pipe for discharging exhaust gas from a sound-reducing chamber to the outside, the exhaust discharge pipe is a double pipe, and the outer pipe of the double pipe is An exhaust muffler characterized by being provided with an on-off valve that opens and closes a passage between it and an inner pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32408189A JPH03185209A (en) | 1989-12-15 | 1989-12-15 | Exhaust noise eliminator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32408189A JPH03185209A (en) | 1989-12-15 | 1989-12-15 | Exhaust noise eliminator |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03185209A true JPH03185209A (en) | 1991-08-13 |
Family
ID=18161939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP32408189A Pending JPH03185209A (en) | 1989-12-15 | 1989-12-15 | Exhaust noise eliminator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03185209A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0710767A1 (en) | 1994-11-04 | 1996-05-08 | Calsonic Corporation | Exhaust system of internal combustion engine |
EP0733784A2 (en) | 1995-02-24 | 1996-09-25 | Calsonic Corporation | Muffler controller for use in controllable exhaust system of internal combustion engine |
EP0733785A2 (en) | 1995-02-24 | 1996-09-25 | Calsonic Corporation | Muffler controller for use in controllable exhaust system of internal combustion engine |
JP2005009392A (en) * | 2003-06-18 | 2005-01-13 | Hks Co Ltd | Exhaust pipe device |
US7506723B2 (en) * | 2005-09-01 | 2009-03-24 | J. Eberspaecher Gmbh & Co. Kg | Muffler for an exhaust gas system |
US7562741B2 (en) * | 2006-10-21 | 2009-07-21 | Dr. Ing. H.C. F. Porsche Ag | Rear muffler assembly |
-
1989
- 1989-12-15 JP JP32408189A patent/JPH03185209A/en active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0710767A1 (en) | 1994-11-04 | 1996-05-08 | Calsonic Corporation | Exhaust system of internal combustion engine |
US5692374A (en) * | 1994-11-04 | 1997-12-02 | Calsonic Corporation | Exhaust system of internal combustion engine |
EP0733784A2 (en) | 1995-02-24 | 1996-09-25 | Calsonic Corporation | Muffler controller for use in controllable exhaust system of internal combustion engine |
EP0733785A2 (en) | 1995-02-24 | 1996-09-25 | Calsonic Corporation | Muffler controller for use in controllable exhaust system of internal combustion engine |
US5723829A (en) * | 1995-02-24 | 1998-03-03 | Calsonic Corporation | Muffler assembly of internal combustion engine |
US5744762A (en) * | 1995-02-24 | 1998-04-28 | Calsonic Corporation | Muffler controller for use in controllable exhaust system of internal combustion engine |
JP2005009392A (en) * | 2003-06-18 | 2005-01-13 | Hks Co Ltd | Exhaust pipe device |
US7506723B2 (en) * | 2005-09-01 | 2009-03-24 | J. Eberspaecher Gmbh & Co. Kg | Muffler for an exhaust gas system |
US7562741B2 (en) * | 2006-10-21 | 2009-07-21 | Dr. Ing. H.C. F. Porsche Ag | Rear muffler assembly |
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