EP1085198A3 - Bruit d'admission contrôlé activement utilisant une admission multipôle - Google Patents
Bruit d'admission contrôlé activement utilisant une admission multipôle Download PDFInfo
- Publication number
- EP1085198A3 EP1085198A3 EP00119166A EP00119166A EP1085198A3 EP 1085198 A3 EP1085198 A3 EP 1085198A3 EP 00119166 A EP00119166 A EP 00119166A EP 00119166 A EP00119166 A EP 00119166A EP 1085198 A3 EP1085198 A3 EP 1085198A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- duct
- channels
- loudspeaker
- engine
- 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.)
- Granted
Links
- 230000006698 induction Effects 0.000 title abstract 2
- 230000005405 multipole Effects 0.000 title 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
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
- F02M35/1205—Flow throttling or guiding
- F02M35/1227—Flow throttling or guiding by using multiple air intake flow paths, e.g. bypass, honeycomb or pipes opening into an expansion chamber
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Exhaust Silencers (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15372299P | 1999-09-14 | 1999-09-14 | |
US153722P | 1999-09-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1085198A2 EP1085198A2 (fr) | 2001-03-21 |
EP1085198A3 true EP1085198A3 (fr) | 2001-11-07 |
EP1085198B1 EP1085198B1 (fr) | 2002-12-04 |
Family
ID=22548458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20000119166 Expired - Lifetime EP1085198B1 (fr) | 1999-09-14 | 2000-09-05 | Bruit d'admission contrôlé activement utilisant une admission multipôle |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1085198B1 (fr) |
DE (1) | DE60000904T2 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6959093B2 (en) * | 2001-04-12 | 2005-10-25 | Siemens Vdo Automotive Inc. | Low frequency active noise control |
DE10332610A1 (de) * | 2003-07-17 | 2005-02-24 | Siemens Ag | Vorrichtung zur aktiven Beeinflussung der Geräuschemission einer Brennkraftmaschine mit einem durch das Lautsprechergehäuse geführten Kühlkörper |
US11021039B2 (en) * | 2017-10-20 | 2021-06-01 | Hanon Systems | Noise attenuation from waffle pattern and tongue and groove coupling for front of dash |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3936606A (en) * | 1971-12-07 | 1976-02-03 | Wanke Ronald L | Acoustic abatement method and apparatus |
FR2740599A1 (fr) * | 1995-10-30 | 1997-04-30 | Technofirst | Dispositif d'attenuation acoustique active destine a etre dispose a l'interieur d'un conduit, en particulier pour l'insonorisation de reseau de ventilation et/ou de climatisation |
WO1997020307A1 (fr) * | 1995-11-30 | 1997-06-05 | Siemens Electric Limited | Systeme et procede permettant de reduire le bruit d'un moteur |
EP0884471A2 (fr) * | 1997-06-10 | 1998-12-16 | Siemens Canada Limited | Dispositif actif d'atténuation de bruit |
-
2000
- 2000-09-05 EP EP20000119166 patent/EP1085198B1/fr not_active Expired - Lifetime
- 2000-09-05 DE DE2000600904 patent/DE60000904T2/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3936606A (en) * | 1971-12-07 | 1976-02-03 | Wanke Ronald L | Acoustic abatement method and apparatus |
FR2740599A1 (fr) * | 1995-10-30 | 1997-04-30 | Technofirst | Dispositif d'attenuation acoustique active destine a etre dispose a l'interieur d'un conduit, en particulier pour l'insonorisation de reseau de ventilation et/ou de climatisation |
WO1997020307A1 (fr) * | 1995-11-30 | 1997-06-05 | Siemens Electric Limited | Systeme et procede permettant de reduire le bruit d'un moteur |
EP0884471A2 (fr) * | 1997-06-10 | 1998-12-16 | Siemens Canada Limited | Dispositif actif d'atténuation de bruit |
Also Published As
Publication number | Publication date |
---|---|
EP1085198A2 (fr) | 2001-03-21 |
DE60000904T2 (de) | 2003-09-18 |
DE60000904D1 (de) | 2003-01-16 |
EP1085198B1 (fr) | 2002-12-04 |
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