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BRPI0816220A2 - Disposição de atenuação sonora - Google Patents

Disposição de atenuação sonora

Info

Publication number
BRPI0816220A2
BRPI0816220A2 BRPI0816220-4A BRPI0816220A BRPI0816220A2 BR PI0816220 A2 BRPI0816220 A2 BR PI0816220A2 BR PI0816220 A BRPI0816220 A BR PI0816220A BR PI0816220 A2 BRPI0816220 A2 BR PI0816220A2
Authority
BR
Brazil
Prior art keywords
sound attenuation
attenuation arrangement
arrangement
sound
attenuation
Prior art date
Application number
BRPI0816220-4A
Other languages
English (en)
Inventor
Ragnar Glav
Mikael Karlsson
Original Assignee
Scania Cv 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 Scania Cv Ab filed Critical Scania Cv Ab
Publication of BRPI0816220A2 publication Critical patent/BRPI0816220A2/pt

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
    • F01N1/02Silencing apparatus characterised by method of silencing by using resonance
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • 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
    • F01N1/08Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • 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
    • F01N1/165Silencing apparatus characterised by method of silencing by using movable parts for adjusting flow area
    • 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 the 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
    • F01N2410/00By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Exhaust Silencers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
BRPI0816220-4A 2007-09-25 2008-09-18 Disposição de atenuação sonora BRPI0816220A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0702130A SE531516C2 (sv) 2007-09-25 2007-09-25 Ljuddämpande arrangemang
PCT/SE2008/051046 WO2009041892A1 (en) 2007-09-25 2008-09-18 Sound-absorbing arrangement

Publications (1)

Publication Number Publication Date
BRPI0816220A2 true BRPI0816220A2 (pt) 2015-06-16

Family

ID=40511685

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0816220-4A BRPI0816220A2 (pt) 2007-09-25 2008-09-18 Disposição de atenuação sonora

Country Status (7)

Country Link
EP (1) EP2195512B1 (pt)
KR (1) KR101648526B1 (pt)
CN (1) CN101802352B (pt)
AU (1) AU2008305782B2 (pt)
BR (1) BRPI0816220A2 (pt)
SE (1) SE531516C2 (pt)
WO (1) WO2009041892A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012109667A1 (de) * 2012-10-11 2014-04-17 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Abgasanlage eines Kraftfahrzeugs
ES2710337T3 (es) * 2016-05-04 2019-04-24 Sontech Int Ab Dispositivo de amortiguación de sonido para un conducto o cámara
KR101867573B1 (ko) * 2016-05-23 2018-06-15 현대자동차주식회사 능동형 소음 제어가 가능한 slip형 머플러 및 그의 제어 방법.
US10071664B2 (en) * 2016-10-21 2018-09-11 Ford Global Technologies, Llc System and method for variable sound dampening in an adjustable vehicle seat
CN112102805B (zh) * 2020-08-28 2024-05-14 武汉理工大学 一种可调阻抗复合式消声器及消声系统
CN114791113B (zh) * 2021-01-26 2025-06-06 佛山市顺德区美的洗涤电器制造有限公司 降噪组件及烟机
CN118775051B (zh) * 2024-08-06 2025-02-11 广东省富电康柴油发电机有限公司 智能化消音隔热的柴油发电机组

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4136206A1 (de) * 1991-11-02 1993-05-06 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart, De Abgasanlage eines kraftfahrzeug-hubkolbenmotors
DE4341951A1 (de) * 1992-12-17 1994-06-23 Volkswagen Ag Interferenz-Geräuschdämpfer
JPH08189330A (ja) * 1995-01-10 1996-07-23 Toyota Motor Corp 内燃機関用マフラ
DE19520157A1 (de) * 1995-06-01 1996-12-05 Wolfgang Lenhardt Schalldämpfer für Kraftfahrzeuge
JPH0988568A (ja) * 1995-09-26 1997-03-31 Toyota Motor Corp 内燃機関の排気装置
DE19743482A1 (de) * 1997-10-01 1999-04-08 Mann & Hummel Filter Schalldämpfer mit einem Nebenschlußresonator
KR100369212B1 (ko) * 1999-07-07 2003-01-24 한국과학기술연구원 내연 기관의 배기 소음 및/또는 기체 이송 시스템의 덕트내부의 소음을 제어하기 위한 장치 및 방법
JP2001140627A (ja) * 1999-11-17 2001-05-22 Fuji Heavy Ind Ltd 自動車用排気消音装置
KR20020074965A (ko) * 2001-03-23 2002-10-04 기아자동차주식회사 주파수 가변형 소음기의 구조

Also Published As

Publication number Publication date
KR20100061568A (ko) 2010-06-07
EP2195512A1 (en) 2010-06-16
CN101802352A (zh) 2010-08-11
KR101648526B1 (ko) 2016-08-16
EP2195512B1 (en) 2018-11-28
SE531516C2 (sv) 2009-05-05
WO2009041892A1 (en) 2009-04-02
EP2195512A4 (en) 2017-11-29
AU2008305782B2 (en) 2012-09-06
CN101802352B (zh) 2013-03-13
SE0702130L (sv) 2009-03-26
AU2008305782A1 (en) 2009-04-02

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]