ES2104937T3 - Silenciador reactivo multifrecuencia adaptivo. - Google Patents

Silenciador reactivo multifrecuencia adaptivo.

Info

Publication number
ES2104937T3
ES2104937T3 ES92916056T ES92916056T ES2104937T3 ES 2104937 T3 ES2104937 T3 ES 2104937T3 ES 92916056 T ES92916056 T ES 92916056T ES 92916056 T ES92916056 T ES 92916056T ES 2104937 T3 ES2104937 T3 ES 2104937T3
Authority
ES
Spain
Prior art keywords
multifrequency
adaptive
muffler chamber
chambers
muffler
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 - Lifetime
Application number
ES92916056T
Other languages
English (en)
Inventor
Ceasar Eghtesadi
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.)
Noise Cancellation Technologies Inc
Original Assignee
Noise Cancellation Technologies Inc
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 Noise Cancellation Technologies Inc filed Critical Noise Cancellation Technologies Inc
Application granted granted Critical
Publication of ES2104937T3 publication Critical patent/ES2104937T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • 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
    • 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
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • 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
    • F01N2490/08—Two or more expansion chambers in series separated by apertured walls only
    • 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
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (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

UN SILENCIADOR DE CANCELACION DE RUIDO ACTIVO PARA USO AUTOMOTOR E INDUSTRIAL COMO SE MUESTRA EN LA FIGURA COMPRENDE UNA CAMARA SILENCIADORA, UNA LAMINA INTERNA CON UN TUBO UNIDO MONTADO DENTRO DE LA CAMARA SILENCIADORA DIVIDIENDO LA CAMARA SILENCIADORA DE PRIMERA Y SEGUNDA CAMARAS, UN SISTEMA CONTROLADOR INCLUYENDO UN ACCIONADOR/MOTOR LINEAL, UN CONTROLADOR ACCIONADOR/MOTOR Y UN MICROFONO DE ERROR PARA MOVER LA LAMINA DE PARTICION EN AMBAS DIRECCIONES (+ ATIVOS DE LA PRIMERA Y SEGUNDA CAMARAS.
ES92916056T 1992-04-15 1992-04-15 Silenciador reactivo multifrecuencia adaptivo. Expired - Lifetime ES2104937T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002118211A CA2118211C (en) 1992-04-15 1992-04-15 Adaptive multifrequency reactive muffler
PCT/US1992/003025 WO1993021428A1 (en) 1992-04-15 1992-04-15 Adaptive multifrequency reactive muffler

Publications (1)

Publication Number Publication Date
ES2104937T3 true ES2104937T3 (es) 1997-10-16

Family

ID=34218944

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92916056T Expired - Lifetime ES2104937T3 (es) 1992-04-15 1992-04-15 Silenciador reactivo multifrecuencia adaptivo.

Country Status (7)

Country Link
EP (1) EP0636207B1 (es)
AT (1) ATE154099T1 (es)
CA (1) CA2118211C (es)
DE (1) DE69220245T2 (es)
DK (1) DK0636207T3 (es)
ES (1) ES2104937T3 (es)
WO (1) WO1993021428A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6520286B1 (en) 1996-09-30 2003-02-18 Silentor Holding A/S Silencer and a method of operating a vehicle
DK2182186T3 (da) 1996-09-30 2012-03-05 Silentor Holding As Lyddæmper for gasstrøm
US5930371A (en) * 1997-01-07 1999-07-27 Nelson Industries, Inc. Tunable acoustic system
US6295363B1 (en) 1997-03-20 2001-09-25 Digisonix, Inc. Adaptive passive acoustic attenuation system
DE19964089C2 (de) * 1999-12-29 2002-12-12 Ralph Knaack Schalldämpfer für Verbrennungsmotoren mit variierbarer Akustik
DE102011106647A1 (de) * 2011-07-05 2013-01-10 J. Eberspächer GmbH & Co. KG Antischall-system für abgasanlagen und verfahren zum steuern desselben
US9874125B2 (en) * 2013-10-10 2018-01-23 Miratech Group, Llc Quadruple-tuned silencer apparatus and method for attenuating sound from an engine exhaust
JP7129825B2 (ja) * 2018-06-11 2022-09-02 株式会社大気社 チャンバの生産方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4111278A (en) * 1977-02-09 1978-09-05 Copeland Corporation Discharge muffler
US4371054A (en) * 1978-03-16 1983-02-01 Lockheed Corporation Flow duct sound attenuator
AU1717583A (en) * 1982-07-22 1984-01-26 Van Heeckeren, W. Tuneable exhaust system
US5097923A (en) * 1988-02-19 1992-03-24 Noise Cancellation Technologies, Inc. Active sound attenation system for engine exhaust systems and the like
GB8928052D0 (en) * 1989-12-12 1990-02-14 Lotus Group Plc Control of pressure vibrations in ducts

Also Published As

Publication number Publication date
CA2118211A1 (en) 1993-10-28
DK0636207T3 (da) 1997-12-22
EP0636207B1 (en) 1997-06-04
ATE154099T1 (de) 1997-06-15
CA2118211C (en) 1998-09-15
EP0636207A1 (en) 1995-02-01
DE69220245D1 (de) 1997-07-10
WO1993021428A1 (en) 1993-10-28
EP0636207A4 (en) 1995-04-19
DE69220245T2 (de) 1998-01-22

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