SE9704221L - Anordning och förfarande vid ljuddämpande enhet - Google Patents

Anordning och förfarande vid ljuddämpande enhet

Info

Publication number
SE9704221L
SE9704221L SE9704221A SE9704221A SE9704221L SE 9704221 L SE9704221 L SE 9704221L SE 9704221 A SE9704221 A SE 9704221A SE 9704221 A SE9704221 A SE 9704221A SE 9704221 L SE9704221 L SE 9704221L
Authority
SE
Sweden
Prior art keywords
flow path
gas stream
limit value
switch
pressure
Prior art date
Application number
SE9704221A
Other languages
Unknown language ( )
English (en)
Other versions
SE517825C2 (sv
SE9704221D0 (sv
Inventor
Josef Saberi
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 SE9704221A priority Critical patent/SE517825C2/sv
Publication of SE9704221D0 publication Critical patent/SE9704221D0/sv
Priority to AT98953126T priority patent/ATE223554T1/de
Priority to PCT/SE1998/001968 priority patent/WO1999025962A1/sv
Priority to JP2000521307A priority patent/JP2001523788A/ja
Priority to DE69807736T priority patent/DE69807736T2/de
Priority to EP98953126A priority patent/EP1029161B1/en
Publication of SE9704221L publication Critical patent/SE9704221L/sv
Priority to US09/570,500 priority patent/US6564902B1/en
Publication of SE517825C2 publication Critical patent/SE517825C2/sv

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00Silencing apparatus characterised by method of silencing
    • F01N1/24Silencing apparatus characterised by method of silencing by using sound-absorbing materials
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00Silencing apparatus characterised by method of silencing
    • F01N1/16Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/166Silencing apparatus characterised by method of silencing by using movable parts for changing gas flow path through the silencer or for adjusting the dimensions of a chamber or a pipe
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2310/00Selection of sound absorbing or insulating material
    • F01N2310/02Mineral wool, e.g. glass wool, rock wool, asbestos or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
SE9704221A 1997-11-14 1997-11-14 Anordning och förfarande vid ljuddämpande enhet samt användning av anordningen vid ett motorfordon SE517825C2 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9704221A SE517825C2 (sv) 1997-11-14 1997-11-14 Anordning och förfarande vid ljuddämpande enhet samt användning av anordningen vid ett motorfordon
AT98953126T ATE223554T1 (de) 1997-11-14 1998-10-30 Vorrichtung und verfahren für schalldämpfungseinheiten
PCT/SE1998/001968 WO1999025962A1 (sv) 1997-11-14 1998-10-30 Device and method for use in sounf-attenuating units
JP2000521307A JP2001523788A (ja) 1997-11-14 1998-10-30 音減衰ユニット用の装置および方法
DE69807736T DE69807736T2 (de) 1997-11-14 1998-10-30 Vorrichtung und verfahren für schalldämpfungseinheiten
EP98953126A EP1029161B1 (en) 1997-11-14 1998-10-30 Device and method for sound-attenuating units
US09/570,500 US6564902B1 (en) 1997-11-14 2000-05-13 Device and method for a sound-attenuating unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9704221A SE517825C2 (sv) 1997-11-14 1997-11-14 Anordning och förfarande vid ljuddämpande enhet samt användning av anordningen vid ett motorfordon

Publications (3)

Publication Number Publication Date
SE9704221D0 SE9704221D0 (sv) 1997-11-14
SE9704221L true SE9704221L (sv) 1999-05-15
SE517825C2 SE517825C2 (sv) 2002-07-23

Family

ID=20409023

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9704221A SE517825C2 (sv) 1997-11-14 1997-11-14 Anordning och förfarande vid ljuddämpande enhet samt användning av anordningen vid ett motorfordon

Country Status (7)

Country Link
US (1) US6564902B1 (sv)
EP (1) EP1029161B1 (sv)
JP (1) JP2001523788A (sv)
AT (1) ATE223554T1 (sv)
DE (1) DE69807736T2 (sv)
SE (1) SE517825C2 (sv)
WO (1) WO1999025962A1 (sv)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE521329C2 (sv) * 1999-09-06 2003-10-21 Volvo Personvagnar Ab Anordning och förfarande vid ljuddämpande enhet
SE517794C2 (sv) * 1999-11-05 2002-07-16 Erik Jonsson Ljuddämpningsanordning
CN1408990B (zh) * 2002-09-08 2012-04-25 章国标 消声器
US8079441B2 (en) * 2002-09-08 2011-12-20 Guobiao Zhang Muffler
US20060213719A1 (en) * 2005-03-24 2006-09-28 A-1 Components, Corp. Compressor muffler with check valve
JP4502880B2 (ja) * 2005-05-18 2010-07-14 本田技研工業株式会社 排気流量制御弁
US7610993B2 (en) * 2005-08-26 2009-11-03 John Timothy Sullivan Flow-through mufflers with optional thermo-electric, sound cancellation, and tuning capabilities
WO2007103215A1 (en) * 2006-03-02 2007-09-13 Pacbrake Company High-performance muffler assembly with multiple modes of operation
US7434570B2 (en) * 2007-03-16 2008-10-14 Tenneco Automotive Operating Company Inc. Snap-action valve for exhaust system
US8468813B2 (en) * 2007-03-16 2013-06-25 Tenneco Automotive Operating Company Inc. Snap-action valve for exhaust system
US7775322B2 (en) * 2007-03-16 2010-08-17 Tenneco Automotive Operating Company Inc. Snap-action valve for exhaust system
WO2009042058A2 (en) * 2007-09-24 2009-04-02 Romine Grady L Flue tuning and emissions saving system
DE102008010658B4 (de) * 2008-02-22 2010-08-19 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Abgasregelsystem und Abgasregelverfahren
US8191572B2 (en) * 2009-04-16 2012-06-05 Tenneco Automotive Operating Company Inc. Snap action valve with bumper pad
US8381401B2 (en) * 2009-04-16 2013-02-26 Tenneco Automotive Operating Company Inc. Method of installing rotatable flapper valve to an interior of a conduit
US8353153B2 (en) * 2010-02-25 2013-01-15 Tenneco Automotive Operating Company Inc. Snapper valve for hot end systems with burners
DE102010064088A1 (de) 2010-12-02 2012-06-06 Kess-Tech Gmbh Schalldämpfer für Auspuff-Anlagen
DE202011001554U1 (de) * 2011-01-14 2011-04-14 Jekill & Hyde Company B.V. Auspuffanordnung zur Verwendung mit einem Verbrennungsmotor
DE102012200456A1 (de) * 2012-01-13 2013-07-18 Kess-Tech Gmbh Schalldämpfer-Anordnung
US8657065B1 (en) 2012-12-14 2014-02-25 Tenneco Automotive Operating Company Inc. Exhaust valve with resilient spring pad

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2072372A (en) * 1934-02-23 1937-03-02 Riethmiller Ruth Exhaust system for automotive engines
NZ240672A (en) * 1991-12-04 1995-10-26 Graeme Charles Stephens Muffler with valve controlled through passage
EP0733785B1 (en) * 1995-02-24 2003-07-16 Calsonic Kansei Corporation Muffler controller for use in controllable exhaust system of internal combustion engine
DE69532915T2 (de) * 1995-02-24 2004-09-02 Calsonic Kansei Corp. Schalldämpferkontrollgerät zur Verwendung in einem steuerbaren Abgassystem einer Brennkraftmaschine
DE19540716C1 (de) * 1995-11-02 1997-04-17 Gillet Heinrich Gmbh Schalldämpfer mit variabler Dämpfungscharakteristik

Also Published As

Publication number Publication date
WO1999025962A1 (sv) 1999-05-27
DE69807736T2 (de) 2003-08-07
EP1029161B1 (en) 2002-09-04
EP1029161A1 (en) 2000-08-23
JP2001523788A (ja) 2001-11-27
US6564902B1 (en) 2003-05-20
SE517825C2 (sv) 2002-07-23
DE69807736D1 (de) 2002-10-10
ATE223554T1 (de) 2002-09-15
SE9704221D0 (sv) 1997-11-14

Similar Documents

Publication Publication Date Title
SE9704221D0 (sv) Anordning och förfarande vid ljuddämpande enhet
KR900700723A (ko) 기관 배기 시스템등을 위한 능동 음(音) 감쇠 시스템
SE9604168L (sv) Akustisk resonator
SE9300732D0 (sv) Externliggande bredbandsopererande anordning foer ljuddaempning av ett kanalsystem
ATE316635T1 (de) Vorrichtung zur schalldaempfung in einem rohrkanal
ATE510189T1 (de) Aufsteckbarer ultraschall-durchflussaufnehmer für flüssigkeiten niedriger dichte
DK0657630T3 (da) Anordning til aktiv lyddæmpning
SE9804608D0 (sv) Anordning vid ljuddämparenhet
CN108468579A (zh) 包括车厢干扰减轻系统的车辆
US20110192677A1 (en) Exhaust muffler device
US20050155816A1 (en) Dynamic exhaust system for advanced internal combustion engines
SE9103522L (sv) Anordning foer ljuddaempning i ett kanalsystem, i synnerhet i ett avgassystem foer foerbraenningsmotorer
KR20160108625A (ko) 배기가스의 기류소음 저감장치
JP5044798B2 (ja) 高速気流雑音防止マイクロホン装置
JP2004519575A (ja) 導管内の共振を減衰する装置
JPH0536980Y2 (sv)
SE7701125L (sv) Absorption av akustisk energi fran en vetska
JP2005220871A (ja) 消音器
SE9402709L (sv) Anordning för att minska avgasljudet från en båtmotor
US20040099475A1 (en) Muffling device and method for internal combustion engine
JP3560878B2 (ja) アクティブ消音装置
SE9903168D0 (sv) Anordning och förfarande vid ljuddämpande enhet
US20210239017A1 (en) Exhaust system component
KR101834387B1 (ko) 디젤엔진용 능동형 소음기
KR970027671A (ko) 차량의 초효율 배기가스 저감장치

Legal Events

Date Code Title Description
NUG Patent has lapsed