FR2801634B1 - ACTIVE NOISE ATTENUATION DEVICE OF AN ENGINE COMPRISING AT LEAST TWO EXHAUST OUTLETS - Google Patents
ACTIVE NOISE ATTENUATION DEVICE OF AN ENGINE COMPRISING AT LEAST TWO EXHAUST OUTLETSInfo
- Publication number
- FR2801634B1 FR2801634B1 FR9914858A FR9914858A FR2801634B1 FR 2801634 B1 FR2801634 B1 FR 2801634B1 FR 9914858 A FR9914858 A FR 9914858A FR 9914858 A FR9914858 A FR 9914858A FR 2801634 B1 FR2801634 B1 FR 2801634B1
- Authority
- FR
- France
- Prior art keywords
- engine
- active noise
- noise attenuation
- attenuation device
- exhaust outlets
- 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
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
- 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 ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/011—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel
-
- 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 ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/02—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate silencers in series
-
- 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
- G10K11/17857—Geometric disposition, e.g. placement of microphones
-
- 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
-
- 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 ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
- F01N13/107—More than one exhaust manifold or exhaust collector
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Exhaust Silencers (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9914858A FR2801634B1 (en) | 1999-11-25 | 1999-11-25 | ACTIVE NOISE ATTENUATION DEVICE OF AN ENGINE COMPRISING AT LEAST TWO EXHAUST OUTLETS |
DE10085230T DE10085230B3 (en) | 1999-11-25 | 2000-10-11 | Device for actively reducing the noise of an engine having at least two exhaust outlets |
AU77985/00A AU7798500A (en) | 1999-11-25 | 2000-10-11 | Active device for reducing engine noise comprising at least two exhaust outlets |
PCT/FR2000/002830 WO2001038700A1 (en) | 1999-11-25 | 2000-10-11 | Active device for reducing engine noise comprising at least two exhaust outlets |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9914858A FR2801634B1 (en) | 1999-11-25 | 1999-11-25 | ACTIVE NOISE ATTENUATION DEVICE OF AN ENGINE COMPRISING AT LEAST TWO EXHAUST OUTLETS |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2801634A1 FR2801634A1 (en) | 2001-06-01 |
FR2801634B1 true FR2801634B1 (en) | 2002-04-05 |
Family
ID=9552547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9914858A Expired - Fee Related FR2801634B1 (en) | 1999-11-25 | 1999-11-25 | ACTIVE NOISE ATTENUATION DEVICE OF AN ENGINE COMPRISING AT LEAST TWO EXHAUST OUTLETS |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU7798500A (en) |
DE (1) | DE10085230B3 (en) |
FR (1) | FR2801634B1 (en) |
WO (1) | WO2001038700A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012200712B4 (en) | 2012-01-19 | 2015-07-09 | Eberspächer Exhaust Technology GmbH & Co. KG | Exhaust device for an internal combustion engine |
DE102013010609B4 (en) * | 2013-06-25 | 2023-07-27 | Purem GmbH | System for influencing exhaust noise in a multi-flow exhaust system and motor vehicle |
DE112017007974A5 (en) | 2017-08-31 | 2020-06-10 | Faurecia Emissions Control Technologies, Germany Gmbh | EXHAUST SYSTEM AND MOTOR VEHICLE WITH AN EXHAUST SYSTEM |
CN108729982B (en) * | 2018-02-28 | 2020-09-08 | 台州明创科技有限公司 | Comprehensive test cooling system for vehicle noise elimination |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4033269A1 (en) * | 1990-10-19 | 1992-04-23 | Gillet Heinrich Gmbh | MUFFLER SYSTEM FOR MOTOR VEHICLES |
NL9201278A (en) * | 1992-03-10 | 1993-10-01 | Jacobus Lambertus Van Merkstei | Sound suppression system |
GB2271909B (en) * | 1992-10-21 | 1996-05-22 | Lotus Car | Adaptive control system |
US5848168A (en) * | 1996-11-04 | 1998-12-08 | Tenneco Automotive Inc. | Active noise conditioning system |
-
1999
- 1999-11-25 FR FR9914858A patent/FR2801634B1/en not_active Expired - Fee Related
-
2000
- 2000-10-11 WO PCT/FR2000/002830 patent/WO2001038700A1/en active Application Filing
- 2000-10-11 AU AU77985/00A patent/AU7798500A/en not_active Abandoned
- 2000-10-11 DE DE10085230T patent/DE10085230B3/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE10085230B3 (en) | 2012-03-01 |
DE10085230T1 (en) | 2003-04-24 |
AU7798500A (en) | 2001-06-04 |
FR2801634A1 (en) | 2001-06-01 |
WO2001038700A1 (en) | 2001-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20120731 |