FR2783563B1 - ANTI-NOISE SYSTEM FOR A MOTOR VEHICLE EXHAUST LINE - Google Patents

ANTI-NOISE SYSTEM FOR A MOTOR VEHICLE EXHAUST LINE

Info

Publication number
FR2783563B1
FR2783563B1 FR9811880A FR9811880A FR2783563B1 FR 2783563 B1 FR2783563 B1 FR 2783563B1 FR 9811880 A FR9811880 A FR 9811880A FR 9811880 A FR9811880 A FR 9811880A FR 2783563 B1 FR2783563 B1 FR 2783563B1
Authority
FR
France
Prior art keywords
motor vehicle
exhaust line
vehicle exhaust
noise system
noise
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
FR9811880A
Other languages
French (fr)
Other versions
FR2783563A1 (en
Inventor
Vincent Fortoul
Christian Charles Garabedian
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.)
ECIA Equipements et Composants pour lIndustrie Automobile SA
Original Assignee
ECIA Equipements et Composants pour lIndustrie Automobile SA
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 ECIA Equipements et Composants pour lIndustrie Automobile SA filed Critical ECIA Equipements et Composants pour lIndustrie Automobile SA
Priority to FR9811880A priority Critical patent/FR2783563B1/en
Priority to DE19945696A priority patent/DE19945696B4/en
Publication of FR2783563A1 publication Critical patent/FR2783563A1/en
Application granted granted Critical
Publication of FR2783563B1 publication Critical patent/FR2783563B1/en
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
    • 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
    • G10K11/1783—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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
    • G10K11/17833—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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions by using a self-diagnostic function or a malfunction prevention function, e.g. detecting abnormal output levels
    • 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
    • G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure feedback
    • 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
    • G10K2210/301—Computational
    • G10K2210/3031—Hardware, e.g. architecture
FR9811880A 1998-09-23 1998-09-23 ANTI-NOISE SYSTEM FOR A MOTOR VEHICLE EXHAUST LINE Expired - Fee Related FR2783563B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9811880A FR2783563B1 (en) 1998-09-23 1998-09-23 ANTI-NOISE SYSTEM FOR A MOTOR VEHICLE EXHAUST LINE
DE19945696A DE19945696B4 (en) 1998-09-23 1999-09-23 Silencer system for exhaust systems of motor vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9811880A FR2783563B1 (en) 1998-09-23 1998-09-23 ANTI-NOISE SYSTEM FOR A MOTOR VEHICLE EXHAUST LINE

Publications (2)

Publication Number Publication Date
FR2783563A1 FR2783563A1 (en) 2000-03-24
FR2783563B1 true FR2783563B1 (en) 2000-12-15

Family

ID=9530751

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9811880A Expired - Fee Related FR2783563B1 (en) 1998-09-23 1998-09-23 ANTI-NOISE SYSTEM FOR A MOTOR VEHICLE EXHAUST LINE

Country Status (2)

Country Link
DE (1) DE19945696B4 (en)
FR (1) FR2783563B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007046584B4 (en) 2007-09-27 2016-10-20 Robert Bosch Gmbh Method and control device for controlling a vehicle drive system of a vehicle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5386472A (en) * 1990-08-10 1995-01-31 General Motors Corporation Active noise control system
US5222148A (en) * 1992-04-29 1993-06-22 General Motors Corporation Active noise control system for attenuating engine generated noise
JPH06242787A (en) * 1993-02-17 1994-09-02 Fujitsu Ltd Sneaking sound control type active noise elimiation device

Also Published As

Publication number Publication date
DE19945696B4 (en) 2008-11-06
FR2783563A1 (en) 2000-03-24
DE19945696A1 (en) 2000-04-27

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100531