FR2321590A2 - Perfectionnements aux silencieux pour moteur - Google Patents
Perfectionnements aux silencieux pour moteurInfo
- Publication number
- FR2321590A2 FR2321590A2 FR7526012A FR7526012A FR2321590A2 FR 2321590 A2 FR2321590 A2 FR 2321590A2 FR 7526012 A FR7526012 A FR 7526012A FR 7526012 A FR7526012 A FR 7526012A FR 2321590 A2 FR2321590 A2 FR 2321590A2
- Authority
- FR
- France
- Prior art keywords
- chambers
- exhaust
- interconnecting
- communicating via
- damping
- 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
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
- F01N1/003—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages
- F01N1/006—Silencing apparatus characterised by method of silencing by using dead chambers communicating with gas flow passages comprising at least one perforated tube extending from inlet to outlet of the silencer
-
- 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
-
- 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
- F01N1/02—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
- 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
- F01N13/009—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 purifying devices arranged in series
-
- 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
- F01N2230/04—Catalytic converters
-
- 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
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/08—Granular material
-
- 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 (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7526012A FR2321590A2 (fr) | 1975-08-22 | 1975-08-22 | Perfectionnements aux silencieux pour moteur |
GB1441176A GB1539016A (en) | 1975-08-22 | 1976-04-08 | Silencer device for absorbing the noise of the exhaust gases of an engine |
IT6791076A IT1058849B (it) | 1975-08-22 | 1976-04-15 | Silenziatore per motori |
DE19762616961 DE2616961A1 (de) | 1975-08-22 | 1976-04-17 | Schalldaempfereinrichtung fuer verbrennungsmotoren |
JP4714076A JPS5225947A (en) | 1975-08-22 | 1976-04-23 | Silencer for noise absorbing of engine exhaust gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7526012A FR2321590A2 (fr) | 1975-08-22 | 1975-08-22 | Perfectionnements aux silencieux pour moteur |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2321590A2 true FR2321590A2 (fr) | 1977-03-18 |
FR2321590B2 FR2321590B2 (fr) | 1980-08-01 |
Family
ID=9159279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7526012A Granted FR2321590A2 (fr) | 1975-08-22 | 1975-08-22 | Perfectionnements aux silencieux pour moteur |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2321590A2 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0029506A1 (fr) * | 1979-11-23 | 1981-06-03 | Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung | Dispositif pour la réduction du bruit de l'échappement respectivement du bruit des gaz d'échappement |
EP0265000A1 (fr) * | 1986-10-09 | 1988-04-27 | Adrianus Jacobus Zwaan | Dispositif de ventilation silencieux, notamment pour une ouverture de ventilation dans un mur ou une cloison |
EP1722356A1 (fr) * | 2005-05-11 | 2006-11-15 | Mann+Hummel Gmbh | Amortisseur de bruit |
-
1975
- 1975-08-22 FR FR7526012A patent/FR2321590A2/fr active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0029506A1 (fr) * | 1979-11-23 | 1981-06-03 | Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung | Dispositif pour la réduction du bruit de l'échappement respectivement du bruit des gaz d'échappement |
EP0265000A1 (fr) * | 1986-10-09 | 1988-04-27 | Adrianus Jacobus Zwaan | Dispositif de ventilation silencieux, notamment pour une ouverture de ventilation dans un mur ou une cloison |
EP1722356A1 (fr) * | 2005-05-11 | 2006-11-15 | Mann+Hummel Gmbh | Amortisseur de bruit |
Also Published As
Publication number | Publication date |
---|---|
FR2321590B2 (fr) | 1980-08-01 |
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