SE9804608D0 - Anordning vid ljuddämparenhet - Google Patents

Anordning vid ljuddämparenhet

Info

Publication number
SE9804608D0
SE9804608D0 SE9804608A SE9804608A SE9804608D0 SE 9804608 D0 SE9804608 D0 SE 9804608D0 SE 9804608 A SE9804608 A SE 9804608A SE 9804608 A SE9804608 A SE 9804608A SE 9804608 D0 SE9804608 D0 SE 9804608D0
Authority
SE
Sweden
Prior art keywords
end pipe
silencer unit
noise
exhaust gas
gas flow
Prior art date
Application number
SE9804608A
Other languages
English (en)
Other versions
SE520282C2 (sv
SE9804608L (sv
Inventor
Ulf Nilsson
Pekka Saviharju
Per-Ola Petersson
Original Assignee
Volvo Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Volvo Ab filed Critical Volvo Ab
Priority to SE9804608A priority Critical patent/SE520282C2/sv
Publication of SE9804608D0 publication Critical patent/SE9804608D0/sv
Priority to EP99965671A priority patent/EP1144815B1/en
Priority to DE69917072T priority patent/DE69917072T2/de
Priority to PCT/SE1999/002437 priority patent/WO2000040841A1/en
Publication of SE9804608L publication Critical patent/SE9804608L/sv
Priority to US09/895,029 priority patent/US6629580B2/en
Publication of SE520282C2 publication Critical patent/SE520282C2/sv

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)
SE9804608A 1998-12-30 1998-12-30 Slutrör vid ljuddämpare med perforeringar för dämpning av lågfrekent och högfrekent buller SE520282C2 (sv)

Priority Applications (5)

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
EP99965671A EP1144815B1 (en) 1998-12-30 1999-12-21 Perforated end pipe of silencer unit
DE69917072T DE69917072T2 (de) 1998-12-30 1999-12-21 Perforiertes endstück eines schalldämpfers
PCT/SE1999/002437 WO2000040841A1 (en) 1998-12-30 1999-12-21 Perforated end pipe of silencer unit
US09/895,029 US6629580B2 (en) 1998-12-30 2001-06-30 Perforated end pipe of silencer unit

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE9804608D0 true SE9804608D0 (sv) 1998-12-30
SE9804608L SE9804608L (sv) 2000-07-01
SE520282C2 SE520282C2 (sv) 2003-06-17

Family

ID=20413916

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9804608A SE520282C2 (sv) 1998-12-30 1998-12-30 Slutrör vid ljuddämpare med perforeringar för dämpning av lågfrekent och högfrekent buller

Country Status (5)

Country Link
US (1) US6629580B2 (sv)
EP (1) EP1144815B1 (sv)
DE (1) DE69917072T2 (sv)
SE (1) SE520282C2 (sv)
WO (1) WO2000040841A1 (sv)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50110583D1 (de) * 2000-04-14 2006-09-14 Eberspaecher J Gmbh & Co 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
US10634024B2 (en) * 2014-09-11 2020-04-28 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***
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
CN115434796B (zh) * 2022-08-31 2024-06-21 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US6629580B2 (en) 2003-10-07
EP1144815B1 (en) 2004-05-06
DE69917072T2 (de) 2005-04-07
US20010045322A1 (en) 2001-11-29
SE520282C2 (sv) 2003-06-17
SE9804608L (sv) 2000-07-01
EP1144815A1 (en) 2001-10-17
WO2000040841A1 (en) 2000-07-13
DE69917072D1 (de) 2004-06-09

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