DE69917072D1 - Perforiertes endstück eines schalldämpfers - Google Patents
Perforiertes endstück eines schalldämpfersInfo
- Publication number
- DE69917072D1 DE69917072D1 DE69917072T DE69917072T DE69917072D1 DE 69917072 D1 DE69917072 D1 DE 69917072D1 DE 69917072 T DE69917072 T DE 69917072T DE 69917072 T DE69917072 T DE 69917072T DE 69917072 D1 DE69917072 D1 DE 69917072D1
- Authority
- DE
- Germany
- Prior art keywords
- end piece
- muffler end
- perforated muffler
- perforated
- piece
- 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.)
- Expired - Lifetime
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/10—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling in combination with sound-absorbing materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/084—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases flowing through the silencer two or more times longitudinally in opposite directions, e.g. using parallel or concentric tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2310/00—Selection of sound absorbing or insulating material
- F01N2310/02—Mineral wool, e.g. glass wool, rock wool, asbestos or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/02—Tubes being perforated
- F01N2470/04—Tubes being perforated characterised by shape, disposition or dimensions of apertures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/20—Dimensional characteristics of tubes, e.g. length, diameter
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9804608A SE520282C2 (sv) | 1998-12-30 | 1998-12-30 | Slutrör vid ljuddämpare med perforeringar för dämpning av lågfrekent och högfrekent buller |
SE9804608 | 1998-12-30 | ||
PCT/SE1999/002437 WO2000040841A1 (en) | 1998-12-30 | 1999-12-21 | Perforated end pipe of silencer unit |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69917072D1 true DE69917072D1 (de) | 2004-06-09 |
DE69917072T2 DE69917072T2 (de) | 2005-04-07 |
Family
ID=20413916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69917072T Expired - Lifetime DE69917072T2 (de) | 1998-12-30 | 1999-12-21 | Perforiertes endstück eines schalldämpfers |
Country Status (5)
Country | Link |
---|---|
US (1) | US6629580B2 (de) |
EP (1) | EP1144815B1 (de) |
DE (1) | DE69917072T2 (de) |
SE (1) | SE520282C2 (de) |
WO (1) | WO2000040841A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1146206B1 (de) * | 2000-04-14 | 2006-08-02 | J. Eberspächer GmbH & Co. KG | Abgas-Schalldämpfer in Mehrkammerbauweise |
JP4097522B2 (ja) | 2000-10-16 | 2008-06-11 | 株式会社日立メディコ | 生体光計測装置 |
JP2003314240A (ja) * | 2002-02-20 | 2003-11-06 | Sango Co Ltd | 内燃機関の消音器 |
JP4166593B2 (ja) * | 2003-02-20 | 2008-10-15 | カルソニックカンセイ株式会社 | 消音器 |
DE10346479A1 (de) * | 2003-10-02 | 2005-05-12 | Bayerische Motoren Werke Ag | Abgasanlage für eine Brennkraftmaschine |
US7350620B2 (en) * | 2004-03-03 | 2008-04-01 | Sylvain Lalonde | Compact silencer |
US20060260869A1 (en) * | 2005-05-18 | 2006-11-23 | Kim Jay S | Muffler having fluid swirling vanes |
US20070125594A1 (en) * | 2005-12-01 | 2007-06-07 | Hill William E | Muffler assembly with sound absorbing member |
US20090000863A1 (en) * | 2007-06-28 | 2009-01-01 | Share Win Industry Co., Ltd. | Exhaust pipe |
KR101164152B1 (ko) * | 2009-09-03 | 2012-07-11 | 현대자동차주식회사 | 자동차의 소음기 장치 |
US8393147B2 (en) * | 2010-06-30 | 2013-03-12 | Caterpillar Inc. | Exhaust system having an aftertreatment module |
DE102010049578A1 (de) * | 2010-10-26 | 2012-04-26 | Webasto Ag | Schalldämpfereinrichtung für eine Fluidleitung sowie Heizgerät mit einer Schalldämpfereinrichtung |
JP5771113B2 (ja) * | 2011-10-06 | 2015-08-26 | 川崎重工業株式会社 | 排気消音装置 |
KR101526753B1 (ko) | 2013-12-19 | 2015-06-05 | 현대자동차주식회사 | 차량용 소음기 |
WO2015128816A2 (en) * | 2014-02-25 | 2015-09-03 | Bombardier Recreational Products Inc. | Muffler for an exhaust system of an internal combustion engine |
WO2016040543A1 (en) * | 2014-09-11 | 2016-03-17 | Faurecia Emissions Control Technologies, Usa, Llc | Exhaust tube and tuning tube assembly with whistle reduction feature |
CN106368783B (zh) * | 2016-09-26 | 2018-12-14 | 南京航空航天大学 | 全频段大消声量汽车nvh实验用绝对消声器 |
US10934907B2 (en) | 2019-03-20 | 2021-03-02 | Caterpillar Inc. | Outlet for exhaust gas aftertreatment module |
US11549414B1 (en) | 2019-11-07 | 2023-01-10 | Phillip M. Adams | Sound attenuator apparatus and method |
CN115434796A (zh) * | 2022-08-31 | 2022-12-06 | 中国船舶重工集团公司第七一九研究所 | 基于气泡尺寸调制的水下排气消音器 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1014028A (en) * | 1974-01-24 | 1977-07-19 | Raymon E. Hunt | Muffler method and apparatus |
IT1044068B (it) * | 1974-11-12 | 1980-03-20 | Renault | Silenziatore per motore a combustions |
US4263981A (en) * | 1979-01-31 | 1981-04-28 | Allied Chemical Corporation | Vacuum pump exhaust muffler |
US4359135A (en) * | 1979-08-31 | 1982-11-16 | Donaldson Company, Inc. | Muffler assembly |
US4673058A (en) * | 1986-05-09 | 1987-06-16 | G Enterprises Limited | High performance automotive muffler |
JPH0712650Y2 (ja) * | 1989-02-23 | 1995-03-29 | マツダ株式会社 | エンジンの排気サイレンサ |
DE4416763A1 (de) * | 1994-05-14 | 1995-11-16 | Ernst Apparatebau Gmbh Co | Abgasschalldämpfer |
-
1998
- 1998-12-30 SE SE9804608A patent/SE520282C2/sv not_active IP Right Cessation
-
1999
- 1999-12-21 WO PCT/SE1999/002437 patent/WO2000040841A1/en active IP Right Grant
- 1999-12-21 DE DE69917072T patent/DE69917072T2/de not_active Expired - Lifetime
- 1999-12-21 EP EP99965671A patent/EP1144815B1/de not_active Expired - Lifetime
-
2001
- 2001-06-30 US US09/895,029 patent/US6629580B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1144815A1 (de) | 2001-10-17 |
SE9804608D0 (sv) | 1998-12-30 |
SE9804608L (sv) | 2000-07-01 |
DE69917072T2 (de) | 2005-04-07 |
EP1144815B1 (de) | 2004-05-06 |
SE520282C2 (sv) | 2003-06-17 |
US20010045322A1 (en) | 2001-11-29 |
WO2000040841A1 (en) | 2000-07-13 |
US6629580B2 (en) | 2003-10-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |