JP2007239746A - 排気システム用能動マフラー - Google Patents
排気システム用能動マフラー Download PDFInfo
- Publication number
- JP2007239746A JP2007239746A JP2007055001A JP2007055001A JP2007239746A JP 2007239746 A JP2007239746 A JP 2007239746A JP 2007055001 A JP2007055001 A JP 2007055001A JP 2007055001 A JP2007055001 A JP 2007055001A JP 2007239746 A JP2007239746 A JP 2007239746A
- Authority
- JP
- Japan
- Prior art keywords
- space
- muffler
- chassis
- partition wall
- sound absorber
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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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
- F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
- F01N1/065—Silencing apparatus characterised by method of silencing by using interference effect by using an active noise source, e.g. speakers
-
- 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
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
-
- 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
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1787—General system configurations
-
- 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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/128—Vehicles
- G10K2210/1282—Automobiles
- G10K2210/12822—Exhaust pipes or mufflers
-
- 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
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/30—Means
- G10K2210/321—Physical
- G10K2210/3212—Actuator details, e.g. composition or microstructure
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
【解決手段】前記マフラー(1)は第1空間(3)と、隔壁(5)によって前記第1空間(3)から分離された第2空間(4)を有する。前記隔壁(5)には壁開口(6)があり、シャーシ(8)とダイヤフラム(9)を有する電子的音吸収器(7)がそこに挿入されている。稼働中、前記電子的音吸収器(7)は前記第1空間(3)に向け反音を放ち、前記排気システム(2)による騒音発生を減少させる。前記電子的音吸収器(7)の前記シャーシ(8)と前記隔壁(5)は単一部材として製造されている。
【選択図】図1
Description
2 排気システム
3 第1空間
4 第2空間
5 隔壁
6 壁開口
7 電子的音吸収器
8 シャーシ
9 ダイヤフラム
10 外殻
11 ハウジング
12 内部空間
Claims (7)
- 内燃機関、特に動力車両に搭載される内燃機関の排気システム(2)用の能動マフラー(1)であって、以下を特徴とするもの:
前記排気システム(2)に送り込まれた空中伝播音が入り込む第1空間(3)を有し、
シャーシ(8)とダイヤフラム(9)を有し、前記マフラー(1)の第2空間(4)に配置され、稼働中、壁開口(6)を通じて前記第1空間(3)に反音を作用させる電子的音吸収部(7)を有し、
前記壁開口(6)は前記第2空間(4)と前記第1空間(3)を分離する隔壁(5)に設けられ、
前記電子的音吸収器(7)の前記シャーシ(8)と前記隔壁(5)は一体部材として製造されている。 - 請求項1に記載のマフラーであって、以下を特徴とするもの:
前記ダイヤフラム(9)及び/または前記シャーシ(8)とともに前記隔壁(5)が前記第1空間(3)と前記第2空間(4)を気密に分離する。 - 請求項1または2に記載のマフラーであって、以下を特徴とするもの:
前記第2空間(4)はある密閉ガス容積を有する。 - 請求項1から3のいずれかに記載のマフラーであって、以下を特徴とするもの:
前記電子的音吸収器(7)はラウドスピーカーである。 - 請求項1から4のいずれかに記載のマフラーであって、以下を特徴とするもの:
前記隔壁(5)が、外殻構造に組み立てられた前記マフラー(1)の外殻(10)を閉ざす。 - 請求項1から5のいずれかに記載のマフラーであって、以下を特徴とするもの:
前記隔壁(5)が前記マフラー(1)の付加部品に、特に溶接やつば出しで結合されている。 - 請求項1から6のいずれかに記載のマフラーであって、以下を特徴とするもの:
前記隔壁(5)と前記電子的音吸収器(7)は予備組立モジュールとして設計されている。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006010558A DE102006010558A1 (de) | 2006-03-06 | 2006-03-06 | Aktiver Schalldämpfer für eine Abgasanlage |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2007239746A true JP2007239746A (ja) | 2007-09-20 |
Family
ID=38068623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007055001A Pending JP2007239746A (ja) | 2006-03-06 | 2007-03-06 | 排気システム用能動マフラー |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070205043A1 (ja) |
EP (1) | EP1832725B1 (ja) |
JP (1) | JP2007239746A (ja) |
CN (1) | CN101033702B (ja) |
DE (1) | DE102006010558A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008018085A1 (de) * | 2008-04-09 | 2009-10-15 | J. Eberspächer GmbH & Co. KG | Aktiver Schalldämpfer |
DE102010007013A1 (de) * | 2010-02-05 | 2011-08-11 | J. Eberspächer GmbH & Co. KG, 73730 | Abgasanlage |
DE102011084567C5 (de) * | 2011-10-14 | 2019-08-14 | Eberspächer Exhaust Technology GmbH & Co. KG | Aktiver Schalldämpfer |
DE102012201725B4 (de) * | 2012-02-06 | 2016-02-25 | Eberspächer Exhaust Technology GmbH & Co. KG | Aktiver Schalldämpfer |
DE102014101826B4 (de) * | 2014-02-13 | 2016-08-04 | Tenneco Gmbh | Schallgebersystem für ein Kraftfahrzeug |
JP2015172370A (ja) * | 2014-03-04 | 2015-10-01 | エーバーシュペッヒャー・エグゾースト・テクノロジー・ゲーエムベーハー・ウント・コンパニー・カーゲー | 排気音の能動的設計 |
DE102015217461A1 (de) * | 2015-09-11 | 2017-03-16 | Eberspächer Exhaust Technology GmbH & Co. KG | Verbindungsrohr zum Anschließen eines aktiven Schalldämpfers an eine Abgasanlage für eine Brennkraftmaschine |
DE102016107069A1 (de) * | 2016-04-15 | 2017-10-19 | Faurecia Emissions Control Technologies, Germany Gmbh | Schallerzeugungsvorrichtung an einem Fahrzeug zur Reduzierung oder Erzeugung von Motorsound sowie Abgasanlage |
DE102017129245A1 (de) | 2017-12-08 | 2019-06-13 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Lufteinlassvorrichtung für eine Kühlvorrichtung eines Elektrofahrzeugs |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH117287A (ja) * | 1997-04-24 | 1999-01-12 | Shinko Electric Co Ltd | 消音装置 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
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DE2607390C2 (de) * | 1976-02-24 | 1982-09-23 | Braun Ag, 6000 Frankfurt | Dynamischer Lautsprecher mit hoher Nennbelastbarkeit |
ZA825676B (en) * | 1981-08-11 | 1983-06-29 | Sound Attenuators Ltd | Method and apparatus for low frequency active attennuation |
US5097923A (en) * | 1988-02-19 | 1992-03-24 | Noise Cancellation Technologies, Inc. | Active sound attenation system for engine exhaust systems and the like |
US5457749A (en) * | 1990-04-09 | 1995-10-10 | Noise Cancellation Technologies, Inc. | Electronic muffler |
US5233137A (en) * | 1990-04-25 | 1993-08-03 | Ford Motor Company | Protective anc loudspeaker membrane |
US5229556A (en) * | 1990-04-25 | 1993-07-20 | Ford Motor Company | Internal ported band pass enclosure for sound cancellation |
US5619020A (en) * | 1991-08-29 | 1997-04-08 | Noise Cancellation Technologies, Inc. | Muffler |
US5550334A (en) * | 1991-10-30 | 1996-08-27 | Noise Cancellation Technologies, Inc. | Actively sound reduced muffler having a venturi effect configuration |
US5336856A (en) * | 1992-07-07 | 1994-08-09 | Arvin Industries, Inc. | Electronic muffler assembly with exhaust bypass |
US5748749A (en) * | 1993-03-24 | 1998-05-05 | Noise Cancellation Technologies, Inc. | Active noise cancelling muffler |
DE4317403A1 (de) * | 1993-05-26 | 1994-12-01 | Nokia Deutschland Gmbh | Anordnung zur aktiven Schalldämpfung |
AU6993794A (en) * | 1993-07-07 | 1995-02-06 | Leistritz Ag & Co. Abgastechnik | Active sound damper |
US5446249A (en) * | 1993-07-13 | 1995-08-29 | Digisonix, Inc. | Dry acoustic system preventing condensation |
JP2587683Y2 (ja) * | 1993-08-12 | 1998-12-24 | カルソニック株式会社 | 能動型消音器 |
DE4342133A1 (de) * | 1993-12-10 | 1995-06-14 | Nokia Deutschland Gmbh | Anordnung zur aktiven Schalldämpfung |
US6160892A (en) * | 1993-12-30 | 2000-12-12 | Bbn Corporation | Active muffler |
IT1267402B1 (it) * | 1994-02-22 | 1997-02-05 | Electronic Sound Attenuation S | Silenziatore attivo per gas di scarico. |
US5693918A (en) * | 1994-09-06 | 1997-12-02 | Digisonix, Inc. | Active exhaust silencer |
US5541373A (en) * | 1994-09-06 | 1996-07-30 | Digisonix, Inc. | Active exhaust silencer |
DK0898774T3 (da) * | 1996-05-14 | 2001-10-22 | Fraunhofer Ges Forschung | Reaktiv lyddæmper |
US6005957A (en) * | 1998-02-27 | 1999-12-21 | Tenneco Automotive Inc. | Loudspeaker pressure plate |
DE19861018C2 (de) * | 1998-12-15 | 2001-06-13 | Fraunhofer Ges Forschung | Gesteuerter akustischer Wellenleiter zur Schalldämpfung |
US6758304B1 (en) * | 1999-09-16 | 2004-07-06 | Siemens Vdo Automotive Inc. | Tuned Helmholtz resonator using cavity forcing |
US6898289B2 (en) * | 2000-09-20 | 2005-05-24 | Siemens Vdo Automotive Inc. | Integrated active noise attenuation system and fluid reservoir |
US7006639B2 (en) * | 2001-11-20 | 2006-02-28 | Maximilian Hans Hobelsberger | Active noise-attenuating duct element |
US20030178248A1 (en) * | 2002-03-22 | 2003-09-25 | Siemens Vdo Automotive, Inc. | Combined active noise control and resonator |
DE102004040421A1 (de) * | 2004-08-19 | 2006-03-09 | J. Eberspächer GmbH & Co. KG | Aktiver Abgasschalldämpfer |
-
2006
- 2006-03-06 DE DE102006010558A patent/DE102006010558A1/de not_active Withdrawn
-
2007
- 2007-02-22 EP EP07102847A patent/EP1832725B1/de not_active Ceased
- 2007-03-01 US US11/680,798 patent/US20070205043A1/en not_active Abandoned
- 2007-03-06 CN CN2007100056399A patent/CN101033702B/zh active Active
- 2007-03-06 JP JP2007055001A patent/JP2007239746A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH117287A (ja) * | 1997-04-24 | 1999-01-12 | Shinko Electric Co Ltd | 消音装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1832725A2 (de) | 2007-09-12 |
US20070205043A1 (en) | 2007-09-06 |
EP1832725A3 (de) | 2009-03-25 |
CN101033702A (zh) | 2007-09-12 |
EP1832725B1 (de) | 2011-12-14 |
DE102006010558A1 (de) | 2007-09-13 |
CN101033702B (zh) | 2013-02-27 |
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