BR112017004638A2 - dispositivo acústico - Google Patents

dispositivo acústico

Info

Publication number
BR112017004638A2
BR112017004638A2 BR112017004638A BR112017004638A BR112017004638A2 BR 112017004638 A2 BR112017004638 A2 BR 112017004638A2 BR 112017004638 A BR112017004638 A BR 112017004638A BR 112017004638 A BR112017004638 A BR 112017004638A BR 112017004638 A2 BR112017004638 A2 BR 112017004638A2
Authority
BR
Brazil
Prior art keywords
chamber
central
expansion
expansion chamber
apertures
Prior art date
Application number
BR112017004638A
Other languages
English (en)
Portuguese (pt)
Inventor
Stuart Bolton John
H Alexander Jonathan
A Martinson Paul
W Gerdes Ronald
Lee Seungkyu
Herdtle Thomas
P Hanschen Thomas
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of BR112017004638A2 publication Critical patent/BR112017004638A2/pt

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
    • F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with exhaust gas flow passages
    • F01N1/006—Silencing apparatus characterised by method of silencing by using dead chambers communicating with exhaust gas flow passages comprising at least one perforated tube extending from inlet to outlet of the silencer
    • 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
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F01N1/026—Annular resonance chambers arranged concentrically to an exhaust passage and communicating with it, e.g. via at least one opening in the exhaust passage
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/02—Exhaust or silencing apparatus characterised by constructional features having two or more separate silencers in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1205—Flow throttling or guiding
    • F02M35/1216—Flow throttling or guiding by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
    • F02M35/1255—Intake silencers ; Sound modulation, transmission or amplification using resonance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid 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
    • F01N2470/00—Structure or shape of exhaust gas passages, pipes or tubes
    • F01N2470/02—Tubes being perforated
    • 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 exhaust gas passages, pipes or tubes
    • F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled
    • 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
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/15—Plurality of resonance or dead chambers
    • F01N2490/155—Plurality of resonance or dead chambers being disposed one after the other in flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise
    • F24F2013/245—Means for preventing or suppressing noise using resonance

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Silencers (AREA)
  • Building Environments (AREA)
BR112017004638A 2014-09-09 2015-09-09 dispositivo acústico BR112017004638A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201462048153P 2014-09-09 2014-09-09
PCT/US2015/049111 WO2016040431A1 (en) 2014-09-09 2015-09-09 Acoustic device

Publications (1)

Publication Number Publication Date
BR112017004638A2 true BR112017004638A2 (pt) 2017-12-05

Family

ID=54186297

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017004638A BR112017004638A2 (pt) 2014-09-09 2015-09-09 dispositivo acústico

Country Status (7)

Country Link
US (1) US10352210B2 (enExample)
EP (1) EP3192068A1 (enExample)
JP (1) JP6625118B2 (enExample)
KR (1) KR20170052629A (enExample)
CN (1) CN106715849B (enExample)
BR (1) BR112017004638A2 (enExample)
WO (1) WO2016040431A1 (enExample)

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DE102015214709A1 (de) * 2015-07-31 2017-02-02 Mahle International Gmbh Strömungskanal und Belüftungs-, Heizungs- oder Klimaanlage
WO2019005858A1 (en) * 2017-06-28 2019-01-03 3M Innovative Properties Company MICROPERFORATED CONDUIT
CN110870002B (zh) 2017-07-05 2023-07-07 富士胶片株式会社 消音系统
JP6377868B1 (ja) * 2017-07-05 2018-08-22 富士フイルム株式会社 消音システム
JP6377867B1 (ja) * 2017-07-05 2018-08-22 富士フイルム株式会社 消音システム
WO2019079695A1 (en) 2017-10-19 2019-04-25 3M Innovative Properties Company ACOUSTIC ARTICLE AND ASSOCIATED METHODS
US20190120414A1 (en) * 2017-10-23 2019-04-25 Hamilton Sundstrand Corporation Duct assembly having internal noise reduction features, thermal insulation and leak detection
GB2568055B (en) * 2017-11-02 2023-02-01 Brush Elec Machines Air outlet sound absorber for a rotating electrical machine
DE102017126125A1 (de) * 2017-11-08 2019-05-09 Dietrich Denker Vorrichtung zur Absenkung von Luft- und Körperschall
CN108223383A (zh) * 2018-02-08 2018-06-29 珠海格力电器股份有限公司 压力脉动衰减装置、压缩机及空调器
CN108843435A (zh) * 2018-06-12 2018-11-20 蒙城县傲尊电子科技有限公司 一种强效降噪汽车排气管
CN108961957A (zh) * 2018-07-25 2018-12-07 王小兰 一种降噪演示装置
US12116913B2 (en) 2018-09-13 2024-10-15 The University Of Adelaide Exhaust gas assembly
US11592205B2 (en) * 2018-12-18 2023-02-28 Johnson Controls Tyco IP Holdings LLP Silencer assembly for air handling unit of an HVAC system
NL2023734B1 (en) * 2019-08-30 2021-05-11 Dutch Innovation In Air Treat B V A gas flow system
CN112443433B (zh) * 2019-09-05 2024-02-27 上海索菲玛汽车滤清器有限公司 空气过滤装置
JP7092810B2 (ja) * 2020-02-12 2022-06-28 フタバ産業株式会社 消音器
DE102020106017B3 (de) * 2020-03-05 2021-07-29 Umfotec Gmbh Schalldämpfer für eine Fluidströmungsleitung und Verfahren zu dessen Herstellung
US11417311B2 (en) * 2020-08-03 2022-08-16 W. L. Gore & Associates, Inc. Acoustically resistive supported membrane assemblies including at least one support structure
US11776521B2 (en) 2020-12-11 2023-10-03 Toyota Motor Engineering & Manufacturing North America, Inc. Sound absorbing structure having one or more acoustic scatterers attached to or forming a vehicle structure
US12326310B2 (en) * 2021-06-04 2025-06-10 Daren BERG Firearm noise suppressor
CN114802043B (zh) * 2022-06-27 2022-09-23 质子汽车科技有限公司 车辆驾乘室及车辆
CN115419529B (zh) * 2022-08-29 2024-01-16 岚图汽车科技有限公司 一种消声器组件和噪声验证方法
CN116357479B (zh) * 2023-03-21 2023-09-29 北京航天试验技术研究所 一种消声器及降噪系统
CN116696516A (zh) * 2023-07-13 2023-09-05 哈尔滨工业大学 一种阻抗复合式消声器及其应用
US20250033433A1 (en) * 2023-07-26 2025-01-30 Hanon Systems Low pressure drop muffler

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CN103321716B (zh) 2013-07-08 2015-09-16 山东大学 一种穿孔管与窄缝共振腔组合的抗性消声器结构
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CN103670602B (zh) * 2013-11-28 2017-01-18 武汉理工大学 一种三层串联微穿孔管消声器

Also Published As

Publication number Publication date
EP3192068A1 (en) 2017-07-19
WO2016040431A1 (en) 2016-03-17
KR20170052629A (ko) 2017-05-12
JP2017534789A (ja) 2017-11-24
JP6625118B2 (ja) 2019-12-25
US10352210B2 (en) 2019-07-16
CN106715849B (zh) 2019-10-22
US20170241310A1 (en) 2017-08-24
CN106715849A (zh) 2017-05-24

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time