SE9903168D0 - Anordning och förfarande vid ljuddämpande enhet - Google Patents

Anordning och förfarande vid ljuddämpande enhet

Info

Publication number
SE9903168D0
SE9903168D0 SE9903168A SE9903168A SE9903168D0 SE 9903168 D0 SE9903168 D0 SE 9903168D0 SE 9903168 A SE9903168 A SE 9903168A SE 9903168 A SE9903168 A SE 9903168A SE 9903168 D0 SE9903168 D0 SE 9903168D0
Authority
SE
Sweden
Prior art keywords
opening degree
throttle
flow path
arrangement
detecting
Prior art date
Application number
SE9903168A
Other languages
English (en)
Other versions
SE9903168L (sv
SE521329C2 (sv
Inventor
Ahmed El-Bahrawy
Original Assignee
Volvo Personvagnar 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 Personvagnar Ab filed Critical Volvo Personvagnar Ab
Priority to SE9903168A priority Critical patent/SE521329C2/sv
Publication of SE9903168D0 publication Critical patent/SE9903168D0/sv
Priority to PCT/SE2000/001695 priority patent/WO2001018365A1/en
Publication of SE9903168L publication Critical patent/SE9903168L/sv
Publication of SE521329C2 publication Critical patent/SE521329C2/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
    • F01N1/083—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using transversal baffles defining a tortuous path for the gases or successively throttling gas flow
    • 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
    • F01N1/089—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using two or more expansion chambers in series
    • 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
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/165—Silencing apparatus characterised by method of silencing by using movable parts for adjusting flow area
    • 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
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/166—Silencing 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Pipe Accessories (AREA)
SE9903168A 1999-09-06 1999-09-06 Anordning och förfarande vid ljuddämpande enhet SE521329C2 (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE9903168A SE521329C2 (sv) 1999-09-06 1999-09-06 Anordning och förfarande vid ljuddämpande enhet
PCT/SE2000/001695 WO2001018365A1 (en) 1999-09-06 2000-09-04 Arrangement at a silencer and method for reduction of noise from a gas flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9903168A SE521329C2 (sv) 1999-09-06 1999-09-06 Anordning och förfarande vid ljuddämpande enhet

Publications (3)

Publication Number Publication Date
SE9903168D0 true SE9903168D0 (sv) 1999-09-06
SE9903168L SE9903168L (sv) 2001-03-07
SE521329C2 SE521329C2 (sv) 2003-10-21

Family

ID=20416893

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9903168A SE521329C2 (sv) 1999-09-06 1999-09-06 Anordning och förfarande vid ljuddämpande enhet

Country Status (2)

Country Link
SE (1) SE521329C2 (sv)
WO (1) WO2001018365A1 (sv)

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
DE19540716C1 (de) * 1995-11-02 1997-04-17 Gillet Heinrich Gmbh Schalldämpfer mit variabler Dämpfungscharakteristik
SE517825C2 (sv) * 1997-11-14 2002-07-23 Volvo Car Corp Anordning och förfarande vid ljuddämpande enhet samt användning av anordningen vid ett motorfordon

Also Published As

Publication number Publication date
SE9903168L (sv) 2001-03-07
SE521329C2 (sv) 2003-10-21
WO2001018365A1 (en) 2001-03-15

Similar Documents

Publication Publication Date Title
SE9704221D0 (sv) Anordning och förfarande vid ljuddämpande enhet
KR100367668B1 (ko) 배기파이프 구조
SE9300732D0 (sv) Externliggande bredbandsopererande anordning foer ljuddaempning av ett kanalsystem
BR9503189A (pt) Dispositivo para indicar o grau de sujeir em um filtro
EP2182186A3 (en) Gas flow silencer
DE602006018853D1 (de) Schalldämpfer und damit ausgerüstetes Fahrzeug
WO1999063279A3 (en) Compact air handling unit with integral silencing
SE9903168D0 (sv) Anordning och förfarande vid ljuddämpande enhet
SE9103522D0 (sv) Anordning foer ljuddaempning i ett kanalsystem, i synnerhet i ett avgassystem foer foerbraenningsmotorer
EP1132524A3 (de) Transportvorrichtung für flussabwärts wandernde Fische
ATE398235T1 (de) Luftansaugdämpfungsanlage
PT1147345E (pt) Dispositivo de difusao de ar esterilizado
EP1845244A3 (en) Exhaust gas purification system of internal combustion engine
FR2717859B1 (fr) Turbomoteur à double flux équipé d'un système d'inversion de poussée et d'un dispositif de restriction du canal d'éjection des gaz froids, et dispositif de restriction équipant un tel turbomoteur.
AU2001261766A1 (en) Plumbing trap system
SE9703219D0 (sv) Anordning vid en diskbänk
DE60114773D1 (de) Steuerungsgerät für auslasspulsen
FI20035204A0 (sv) Ljudfälla
SE9801235D0 (sv) Anordning och metod för reducering av transienter
ATE237077T1 (de) Mit dämpferglied versehenes luftfilter zu brennkraftmaschinen
KR970062311A (ko) 배기가스 중의 탄화수소 저감 시스템
SE9101750D0 (sv) Anordningvid avgassystem foer en katalysatorrenad foerbraenningsmotor
SE0202340D0 (sv) Bortförselanordning
SE0004467L (sv) Ljuddämpande konstruktion
KR970001870A (ko) 바이패스촉매장치

Legal Events

Date Code Title Description
NUG Patent has lapsed