FR2489881B1 - - Google Patents
Info
- Publication number
- FR2489881B1 FR2489881B1 FR8019339A FR8019339A FR2489881B1 FR 2489881 B1 FR2489881 B1 FR 2489881B1 FR 8019339 A FR8019339 A FR 8019339A FR 8019339 A FR8019339 A FR 8019339A FR 2489881 B1 FR2489881 B1 FR 2489881B1
- Authority
- FR
- France
- 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
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
- F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
- F01N1/023—Helmholtz resonators
-
- 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
- F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
-
- 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
-
- 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
- F01N1/084—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the exhaust gases flowing through the silencer two or more times longitudinally in opposite directions, e.g. using parallel or concentric tubes
-
- 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
- F01N2490/15—Plurality of resonance or dead chambers
-
- 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
- F01N2490/15—Plurality of resonance or dead chambers
- F01N2490/155—Plurality of resonance or dead chambers being disposed one after the other in flow direction
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8019339A FR2489881A1 (fr) | 1980-09-08 | 1980-09-08 | Silencieux d'echappement a resonateur incorpore, pour moteur a combustion |
| DE8181401055T DE3166018D1 (en) | 1980-09-08 | 1981-07-01 | Exhaust silencer with internal resonance chamber for combustion engines |
| EP81401055A EP0047678B1 (fr) | 1980-09-08 | 1981-07-01 | Silencieux d'échappement à résonateur incorporé, pour moteur à combustion |
| US06/299,935 US4381832A (en) | 1980-09-08 | 1981-09-08 | Exhaust silencer having an incorporated resonator for an internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8019339A FR2489881A1 (fr) | 1980-09-08 | 1980-09-08 | Silencieux d'echappement a resonateur incorpore, pour moteur a combustion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2489881A1 FR2489881A1 (fr) | 1982-03-12 |
| FR2489881B1 true FR2489881B1 (OSRAM) | 1984-04-13 |
Family
ID=9245729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8019339A Granted FR2489881A1 (fr) | 1980-09-08 | 1980-09-08 | Silencieux d'echappement a resonateur incorpore, pour moteur a combustion |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4381832A (OSRAM) |
| EP (1) | EP0047678B1 (OSRAM) |
| DE (1) | DE3166018D1 (OSRAM) |
| FR (1) | FR2489881A1 (OSRAM) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3641942A1 (de) * | 1986-12-09 | 1988-06-23 | Leistritz Ag | Absorptions-abgasschalldaempfer |
| US5162621A (en) * | 1990-10-16 | 1992-11-10 | Siemens Automotive Limited | Internal sidebranch resonator |
| GB2253076B (en) * | 1991-02-21 | 1994-08-03 | Lotus Car | Method and apparatus for attenuating acoustic vibrations in a medium |
| US5625172A (en) * | 1995-04-18 | 1997-04-29 | Caterpillar Inc. | Engine enclosure air inlet/discharge sound attenuator |
| GB9522724D0 (en) * | 1995-11-06 | 1996-01-10 | Acts Ltd | A noise attenuator for an induction system or an exhaust system |
| US7870930B2 (en) * | 2005-09-02 | 2011-01-18 | Emcon Technologies Llc | Exhaust system with external helmholtz resonator and associated method |
| US20070125594A1 (en) * | 2005-12-01 | 2007-06-07 | Hill William E | Muffler assembly with sound absorbing member |
| US20090000863A1 (en) * | 2007-06-28 | 2009-01-01 | Share Win Industry Co., Ltd. | Exhaust pipe |
| KR101251728B1 (ko) * | 2010-09-07 | 2013-04-05 | 현대자동차주식회사 | 차량용 소음기 |
| US8191676B2 (en) | 2010-11-04 | 2012-06-05 | Ford Global Technologies, Llc | Resonator for a dual-flow exhaust system |
| KR101407222B1 (ko) * | 2012-05-11 | 2014-06-13 | 손계동 | 멀티 배기 타입 차량용 머플러 |
| CN103362600A (zh) * | 2013-07-25 | 2013-10-23 | 成都陵川特种工业有限责任公司 | 消音筒 |
| KR101526753B1 (ko) * | 2013-12-19 | 2015-06-05 | 현대자동차주식회사 | 차량용 소음기 |
| DE102018124198A1 (de) | 2017-10-05 | 2019-04-11 | Tenneco Automotive Operating Company Inc. | Akustisch abgestimmter Schalldämpfer |
| US11365658B2 (en) | 2017-10-05 | 2022-06-21 | Tenneco Automotive Operating Company Inc. | Acoustically tuned muffler |
| US11199116B2 (en) | 2017-12-13 | 2021-12-14 | Tenneco Automotive Operating Company Inc. | Acoustically tuned muffler |
| US11268429B2 (en) | 2019-01-17 | 2022-03-08 | Tenneco Automotive Operating Company Inc. | Diffusion surface alloyed metal exhaust component with inwardly turned edges |
| US11268430B2 (en) | 2019-01-17 | 2022-03-08 | Tenneco Automotive Operating Company Inc. | Diffusion surface alloyed metal exhaust component with welded edges |
| FR3092361B1 (fr) | 2019-02-05 | 2021-05-21 | Akwel | Résonateur acoustique |
| US10975743B1 (en) | 2020-03-13 | 2021-04-13 | Tenneco Automotive Operating Company Inc. | Vehicle exhaust component |
| CN111503410A (zh) * | 2020-04-01 | 2020-08-07 | 西安交通大学 | 一种赫姆霍兹型消声器 |
| KR102869234B1 (ko) * | 2020-05-13 | 2025-10-10 | 현대자동차주식회사 | 차량의 배기계 소음 저감 장치 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1263608A (fr) * | 1960-07-22 | 1961-06-09 | Sial S A | Dispositif permettant d'améliorer les conditions d'écoulement d'un flux gazeux à caractère périodique |
| GB1037352A (en) * | 1963-03-19 | 1966-07-27 | Walker Mfg Co | Improvements in or relating to sound-attenuating mufflers |
| US3447629A (en) * | 1967-02-06 | 1969-06-03 | Arvin Ind Inc | Automotive exhaust system and muffler therefor |
| DE2206875A1 (de) * | 1972-02-14 | 1973-08-16 | Motor Condensator Walker Manuf | Schalldaempfer |
| IT1044068B (it) * | 1974-11-12 | 1980-03-20 | Renault | Silenziatore per motore a combustions |
| FR2324865A1 (fr) * | 1974-11-12 | 1977-04-15 | Peugeot & Renault | Silencieux pour moteur a combustion |
-
1980
- 1980-09-08 FR FR8019339A patent/FR2489881A1/fr active Granted
-
1981
- 1981-07-01 DE DE8181401055T patent/DE3166018D1/de not_active Expired
- 1981-07-01 EP EP81401055A patent/EP0047678B1/fr not_active Expired
- 1981-09-08 US US06/299,935 patent/US4381832A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US4381832A (en) | 1983-05-03 |
| DE3166018D1 (en) | 1984-10-18 |
| EP0047678B1 (fr) | 1984-09-12 |
| EP0047678A1 (fr) | 1982-03-17 |
| FR2489881A1 (fr) | 1982-03-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |