AU2003271828A1 - Active vent noise reduction device for use with an exhaust or intake pipe - Google Patents
Active vent noise reduction device for use with an exhaust or intake pipeInfo
- Publication number
- AU2003271828A1 AU2003271828A1 AU2003271828A AU2003271828A AU2003271828A1 AU 2003271828 A1 AU2003271828 A1 AU 2003271828A1 AU 2003271828 A AU2003271828 A AU 2003271828A AU 2003271828 A AU2003271828 A AU 2003271828A AU 2003271828 A1 AU2003271828 A1 AU 2003271828A1
- Authority
- AU
- Australia
- Prior art keywords
- exhaust
- noise reduction
- intake pipe
- reduction device
- active vent
- 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.)
- Abandoned
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/12—Intake silencers ; Sound modulation, transmission or amplification
- F02M35/1244—Intake silencers ; Sound modulation, transmission or amplification using interference; Masking or reflecting sound
- F02M35/125—Intake silencers ; Sound modulation, transmission or amplification using interference; Masking or reflecting sound by using active elements, 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
- F01N1/06—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
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10373—Sensors for intake systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
-
- 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
- G10K11/17879—General system configurations using both a reference signal and an error signal
- G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
-
- 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
- F01N2230/00—Combination of silencers and other devices
- F01N2230/02—Exhaust filters
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Exhaust Silencers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0210871A FR2843999B1 (en) | 2002-09-03 | 2002-09-03 | ACTIVE MOUTH NOISE ATTENUATION DEVICE AT AN EXHAUST OR ADMISSION PIPE |
FR02/10871 | 2002-09-03 | ||
PCT/FR2003/002433 WO2004022931A1 (en) | 2002-09-03 | 2003-07-31 | Active vent noise reduction device for use with an exhaust or intake pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2003271828A1 true AU2003271828A1 (en) | 2004-03-29 |
Family
ID=31503061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2003271828A Abandoned AU2003271828A1 (en) | 2002-09-03 | 2003-07-31 | Active vent noise reduction device for use with an exhaust or intake pipe |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1534939A1 (en) |
AU (1) | AU2003271828A1 (en) |
FR (1) | FR2843999B1 (en) |
WO (1) | WO2004022931A1 (en) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1512014A (en) * | 1974-06-21 | 1978-05-24 | Univ Leeds Ind Service Ltd | Method of attenuating longitudinal compression waves travelling in a gas filled duct |
JPS59201915A (en) * | 1983-04-30 | 1984-11-15 | Hino Motors Ltd | Exhaust equipment of engine |
US5097923A (en) * | 1988-02-19 | 1992-03-24 | Noise Cancellation Technologies, Inc. | Active sound attenation system for engine exhaust systems and the like |
GB9003959D0 (en) * | 1990-02-21 | 1990-04-18 | Ross Colin F | Active control of internal combustion engine performance |
US5319165A (en) * | 1990-04-25 | 1994-06-07 | Ford Motor Company | Dual bandpass secondary source |
EP0470656A1 (en) * | 1990-08-10 | 1992-02-12 | General Motors Corporation | Method and apparatus for attenuating engine noise |
GB9118779D0 (en) * | 1991-08-29 | 1991-10-16 | Active Noise & Vibration Tech | Muffler |
US5313407A (en) * | 1992-06-03 | 1994-05-17 | Ford Motor Company | Integrated active vibration cancellation and machine diagnostic system |
US5377275A (en) * | 1992-07-29 | 1994-12-27 | Kabushiki Kaisha Toshiba | Active noise control apparatus |
ATE226684T1 (en) | 1998-07-22 | 2002-11-15 | Friedmund Nagel | DEVICE AND METHOD FOR REDUCING SOUND EMISSIONS IN COMBUSTION ENGINES AND FOR THE DIAGNOSIS THEREOF |
FR2812751B1 (en) * | 2000-08-01 | 2002-11-08 | Ecia Equip Composants Ind Auto | ACOUSTIC DEVICE FOR AN ACTIVE NOISE MITIGATION SYSTEM |
-
2002
- 2002-09-03 FR FR0210871A patent/FR2843999B1/en not_active Expired - Fee Related
-
2003
- 2003-07-31 WO PCT/FR2003/002433 patent/WO2004022931A1/en not_active Application Discontinuation
- 2003-07-31 AU AU2003271828A patent/AU2003271828A1/en not_active Abandoned
- 2003-07-31 EP EP03753666A patent/EP1534939A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR2843999B1 (en) | 2006-01-27 |
WO2004022931A1 (en) | 2004-03-18 |
FR2843999A1 (en) | 2004-03-05 |
EP1534939A1 (en) | 2005-06-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2003213759A1 (en) | Dry low combustion system with means for eliminating combustion noise | |
EP1398069A3 (en) | Exhaust treatment device | |
GB0301584D0 (en) | An exhaust aftertreatment device | |
GB0300613D0 (en) | Exhaust aftertreatment device | |
EP1340901A3 (en) | Noise attenuating segmented exhaust nozzle | |
GB0307005D0 (en) | An automotive exhaust treatment system | |
EP1638079B8 (en) | Method and system for active noise cancellation | |
ITRM20030106A1 (en) | DEVICE FOR THE EXHAUST GAS RECIRCULATION. | |
AU2003263806A1 (en) | Methods and systems for improved adsl performance | |
AU2003238975A1 (en) | Noise cancellation system and headphone therefor | |
AU2003276255A1 (en) | Springing and dampening device | |
EP1811176A4 (en) | Vacuum exhaust device | |
EP1507071B8 (en) | Exhaust silencer | |
EP1422413B8 (en) | Air intake system | |
AU2003215926A1 (en) | Intake air system | |
AU2003271828A1 (en) | Active vent noise reduction device for use with an exhaust or intake pipe | |
GB2392954B (en) | Exhaust silencer | |
EP1510668B8 (en) | Muffler and exhaust gas system | |
DE60303074D1 (en) | Throttle with noise reduction device | |
AU2003274272A1 (en) | Device for depolluting engine exhaust gases | |
AU2003253419A1 (en) | Intake device | |
AU2003273809A1 (en) | Throttle device | |
AU2003246531A1 (en) | Intake device | |
AU2002311144A1 (en) | An air engine | |
AU2003221317A1 (en) | Fuel processing device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |