DE69102199D1 - Dynamisch abgestimmtes Auspuffsystem. - Google Patents

Dynamisch abgestimmtes Auspuffsystem.

Info

Publication number
DE69102199D1
DE69102199D1 DE69102199T DE69102199T DE69102199D1 DE 69102199 D1 DE69102199 D1 DE 69102199D1 DE 69102199 T DE69102199 T DE 69102199T DE 69102199 T DE69102199 T DE 69102199T DE 69102199 D1 DE69102199 D1 DE 69102199D1
Authority
DE
Germany
Prior art keywords
exhaust system
dynamically tuned
tuned exhaust
dynamically
tuned
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.)
Expired - Fee Related
Application number
DE69102199T
Other languages
English (en)
Other versions
DE69102199T2 (de
Inventor
Earl Russell Geddes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ford Werke GmbH
Original Assignee
Ford Werke GmbH
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 Ford Werke GmbH filed Critical Ford Werke GmbH
Application granted granted Critical
Publication of DE69102199D1 publication Critical patent/DE69102199D1/de
Publication of DE69102199T2 publication Critical patent/DE69102199T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F01N1/06—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B27/00—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues
    • F02B27/04—Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues in exhaust systems only, e.g. for sucking-off combustion gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
DE69102199T 1990-05-04 1991-04-16 Dynamisch abgestimmtes Auspuffsystem. Expired - Fee Related DE69102199T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/519,389 US5060271A (en) 1990-05-04 1990-05-04 Active muffler with dynamic tuning

Publications (2)

Publication Number Publication Date
DE69102199D1 true DE69102199D1 (de) 1994-07-07
DE69102199T2 DE69102199T2 (de) 1994-10-13

Family

ID=24068114

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69102199T Expired - Fee Related DE69102199T2 (de) 1990-05-04 1991-04-16 Dynamisch abgestimmtes Auspuffsystem.

Country Status (4)

Country Link
US (1) US5060271A (de)
EP (1) EP0455375B1 (de)
CA (1) CA2039110A1 (de)
DE (1) DE69102199T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5313407A (en) * 1992-06-03 1994-05-17 Ford Motor Company Integrated active vibration cancellation and machine diagnostic system
US5336856A (en) * 1992-07-07 1994-08-09 Arvin Industries, Inc. Electronic muffler assembly with exhaust bypass
KR0130635B1 (ko) * 1992-10-14 1998-04-09 모리시타 요이찌 연소 장치의 적응 소음 시스템
DE4342204C2 (de) * 1993-12-10 1996-09-19 Telefunken Microelectron Verfahren zur Steuerung der aus Motor und Getriebe bestehenden Antriebseinheit von Kraftfahrzeugen
US6160892A (en) * 1993-12-30 2000-12-12 Bbn Corporation Active muffler
US5515832A (en) * 1994-07-05 1996-05-14 Ford Motor Company Method of controlling internal combustion engine exhaust hydrocarbons
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
US5526292A (en) * 1994-11-30 1996-06-11 Lord Corporation Broadband noise and vibration reduction
US5754662A (en) * 1994-11-30 1998-05-19 Lord Corporation Frequency-focused actuators for active vibrational energy control systems
US6201872B1 (en) 1995-03-12 2001-03-13 Hersh Acoustical Engineering, Inc. Active control source cancellation and active control Helmholtz resonator absorption of axial fan rotor-stator interaction noise
US5848168A (en) * 1996-11-04 1998-12-08 Tenneco Automotive Inc. Active noise conditioning system
FI105603B (fi) 1997-09-12 2000-09-15 Valtion Teknillinen Menetelmä ja laitteisto äänen vaimentamiseksi putkessa
US6296074B1 (en) 1998-11-19 2001-10-02 Charles W. Ridlen Noise reducing exhaust system and method
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
US6202409B1 (en) 1999-10-26 2001-03-20 Lloyd Taylor Acoustically-enhanced intake/exhaust system and method for internal combustion engines
JP3901483B2 (ja) * 2001-10-04 2007-04-04 ヤマハ発動機株式会社 エンジンの吸気音調整構造及び排気音調整構造
US7448382B1 (en) 2002-11-12 2008-11-11 Ric Investments, Llc Pressure support system with active noise cancellation
FR2856107B1 (fr) * 2003-06-10 2005-09-09 Faurecia Sys Echappement Procede et dispositif d'attenuation du bruit produit en sortie d'une ligne d'echappement
US20080200408A1 (en) * 2005-09-30 2008-08-21 Mccormack Kenneth Deletion mutants of tetrodotoxin-resistant sodium channel alpha subunit
US20070125592A1 (en) * 2005-12-07 2007-06-07 Frank Michell Excitation of air directing valves and air handling surfaces in the cancellation of air handling system noise
US8384528B2 (en) * 2006-01-23 2013-02-26 Ford Global Technologies Method and apparatus for selectively varying motor vehicle sounds
MY159328A (en) * 2007-08-09 2016-12-30 Optimum Power Tech L P Pulsation attenuation
DE102010018659A1 (de) * 2010-04-28 2011-11-03 J. Eberspächer GmbH & Co. KG Kolbenmotor, Verfahren und Verwendung
US11401847B2 (en) 2019-09-09 2022-08-02 Ford Global Technologies, Llc Methods and systems for an exhaust tuning valve
US11812219B2 (en) * 2021-07-23 2023-11-07 Toyota Motor Engineering & Manufacturing North America, Inc. Asymmetry sound absorbing system via shunted speakers

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1577322A (en) * 1976-05-13 1980-10-22 Bearcroft R Active attenuation of recurring vibrations
US4171465A (en) * 1978-08-08 1979-10-16 National Research Development Corporation Active control of sound waves
US4473906A (en) * 1980-12-05 1984-09-25 Lord Corporation Active acoustic attenuator
US4480333A (en) * 1981-04-15 1984-10-30 National Research Development Corporation Method and apparatus for active sound control
GB2160742B (en) * 1984-06-21 1988-02-03 Nat Res Dev Damping for directional sound cancellation
US4677677A (en) * 1985-09-19 1987-06-30 Nelson Industries Inc. Active sound attenuation system with on-line adaptive feedback cancellation
JPS62164400A (ja) * 1986-01-14 1987-07-21 Hitachi Plant Eng & Constr Co Ltd 電子消音システム
US4677676A (en) * 1986-02-11 1987-06-30 Nelson Industries, Inc. Active attenuation system with on-line modeling of speaker, error path and feedback pack
GB8603678D0 (en) * 1986-02-14 1986-03-19 Gen Electric Co Plc Active noise control
GB8610744D0 (en) * 1986-05-01 1986-06-04 Plessey Co Plc Adaptive disturbance suppression
US4736431A (en) * 1986-10-23 1988-04-05 Nelson Industries, Inc. Active attenuation system with increased dynamic range
US4805733A (en) * 1987-07-07 1989-02-21 Nippondenso Co., Ltd. Active silencer
US4815139A (en) * 1988-03-16 1989-03-21 Nelson Industries, Inc. Active acoustic attenuation system for higher order mode non-uniform sound field in a duct
US4837834A (en) * 1988-05-04 1989-06-06 Nelson Industries, Inc. Active acoustic attenuation system with differential filtering
US4878188A (en) * 1988-08-30 1989-10-31 Noise Cancellation Tech Selective active cancellation system for repetitive phenomena

Also Published As

Publication number Publication date
DE69102199T2 (de) 1994-10-13
EP0455375A1 (de) 1991-11-06
US5060271A (en) 1991-10-22
CA2039110A1 (en) 1991-11-05
EP0455375B1 (de) 1994-06-01

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee