OA00807A - Silent device and distortion of acoustic waves. - Google Patents
Silent device and distortion of acoustic waves.Info
- Publication number
- OA00807A OA00807A OA50874A OA50874A OA00807A OA 00807 A OA00807 A OA 00807A OA 50874 A OA50874 A OA 50874A OA 50874 A OA50874 A OA 50874A OA 00807 A OA00807 A OA 00807A
- Authority
- OA
- OAPI
- Prior art keywords
- distortion
- acoustic waves
- silent device
- silent
- acoustic
- Prior art date
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
- 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
- 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
-
- 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)
- Pipe Accessories (AREA)
- Exhaust Silencers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR852921A FR1288891A (en) | 1961-02-16 | 1961-02-16 | Silent device and acoustic wave deformator |
Publications (1)
Publication Number | Publication Date |
---|---|
OA00807A true OA00807A (en) | 1967-11-15 |
Family
ID=8748982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
OA50874A OA00807A (en) | 1961-02-16 | 1964-12-16 | Silent device and distortion of acoustic waves. |
Country Status (3)
Country | Link |
---|---|
ES (1) | ES268668A1 (en) |
FR (1) | FR1288891A (en) |
OA (1) | OA00807A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9419022U1 (en) * | 1994-11-26 | 1995-01-26 | Fa. J. Eberspächer, 73730 Esslingen | Resonator silencer |
AT510788B1 (en) * | 2010-10-28 | 2012-10-15 | Avl List Gmbh | EXHAUST MUFFLER ARRANGEMENT |
-
1961
- 1961-02-16 FR FR852921A patent/FR1288891A/en not_active Expired
- 1961-06-28 ES ES0268668A patent/ES268668A1/en not_active Expired
-
1964
- 1964-12-16 OA OA50874A patent/OA00807A/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR1288891A (en) | 1962-03-30 |
ES268668A1 (en) | 1961-12-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1380614A (en) | Small size electro-acoustic transducer | |
BE616959A (en) | Methods and devices for modifying acoustic wave signals | |
NL146298B (en) | SOUND AND IMAGE DISPLAY DEVICE. | |
FR1377088A (en) | Electro-acoustic transducer and device for its manufacture | |
FR1312806A (en) | Transducer device | |
BE616695A (en) | Progressive acoustic wave amplifier | |
OA00807A (en) | Silent device and distortion of acoustic waves. | |
AT259044B (en) | Electrodynamic sound transducer | |
FR1246695A (en) | Acoustic wave device | |
FR1341920A (en) | Electro-acoustic transducer | |
FR1397152A (en) | Acoustic wave receiver device | |
BE608538A (en) | Frequency selective attenuation device | |
FR1315545A (en) | Electroacoustic transducer | |
FR1350161A (en) | Acoustic device more particularly loudspeaker | |
FR1321759A (en) | Progressive acoustic wave amplifier | |
CH396994A (en) | Transducer converting electrical signals into sound waves or vice versa | |
FR1464551A (en) | Sound wave and ultrasonic welding device | |
FR1336120A (en) | Elastic wave generator and amplifier | |
FR1299378A (en) | Apparatus for detecting sound waves | |
GR16869B (en) | LOW FREQUENCY SOUND TRANSMITTER AND MASSAGE DEVICE. | |
FR1377100A (en) | Transducer device | |
FR1308999A (en) | Traveling wave electronic amplifier device | |
FR1284598A (en) | Device for disturbing the geometric propagation of sounds | |
AT232084B (en) | Electrodynamic sound transducer | |
FR1333538A (en) | Amplification and operation of short electromagnetic waves |