| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762617000DE2617000B2 (en) | 1976-04-17 | 1976-04-17 | Backdrops air silencer |
| Publication Number | Publication Date |
|---|---|
| BE853655Atrue BE853655A (en) | 1977-08-01 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE176765ABE853655A (en) | 1976-04-17 | 1977-04-15 | SOUNDPROOFING DEVICE WITH PARTITION ELEMENTS |
| Country | Link |
|---|---|
| AT (1) | AT361751B (en) |
| BE (1) | BE853655A (en) |
| CH (1) | CH619804A5 (en) |
| DE (1) | DE2617000B2 (en) |
| FR (1) | FR2348429A1 (en) |
| NL (1) | NL7704011A (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3425450A1 (en)* | 1983-09-22 | 1985-04-04 | Rox Lufttechnische Gerätebau GmbH, 5000 Köln | Equipment silencer |
| DE3544022A1 (en)* | 1985-12-13 | 1987-06-19 | Wakofix Montagebau Gmbh & Co K | Sound damper for smoke-exhaust and venting ducts |
| DE3604695A1 (en)* | 1986-02-14 | 1987-08-20 | Bayer Ag | Waste-gas chimney with resonator/absorber sound damper arranged therein |
| JPH0617200Y2 (en)* | 1986-05-19 | 1994-05-02 | 日東紡績株式会社 | Sound absorber |
| DE3707650C1 (en)* | 1987-03-10 | 1988-06-09 | Fraunhofer Ges Forschung | Sound absorber for scenery |
| DE3784171T2 (en)* | 1987-11-11 | 1993-07-29 | Nitto Boseki Co Ltd | SOUND ABSORBING TUBE. |
| FI95747B (en)* | 1991-01-17 | 1995-11-30 | Valmet Paper Machinery Inc | Mufflers for low frequencies for air ducts in paper mills |
| DE102006032259B3 (en)* | 2006-07-12 | 2007-07-05 | Frenzelit-Werke Gmbh & Co. Kg | Connection element for damping noises of power station turbines, has completely or partly sound-permeable outer skin made from textile sheet material, produced from glass fibers or high temperature glass fiber or from its mixtures |
| DE102008047272A1 (en)* | 2008-09-16 | 2010-03-25 | Ltg Aktiengesellschaft | Air line element i.e. noise reduction element, has baffle-type silencer assigned to region of interior side of layer, where specific weight of sound damming material is larger than that of sound absorbing material |
| DE102009034463A1 (en) | 2009-07-22 | 2011-02-03 | Filtro Klimatechnik Gmbh | Airborne sound absorbing device, particularly for use in air conditioning units, comprises sound absorbing bodies arranged in air flow channel or housing, where cover is designed at end of front side of sound absorbing body |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT124595B (en)* | 1928-06-02 | 1931-09-25 | Burgess Lab Inc C F | Silencer. |
| US2046193A (en)* | 1931-01-03 | 1936-06-30 | Burgess Lab Inc C F | Muffler |
| GB750974A (en)* | 1953-06-02 | 1956-06-20 | Maxim Silencer Co | Improvements in silencers for gaseous currents |
| NL262265A (en)* | 1960-03-11 | 1900-01-01 | ||
| FR1381570A (en)* | 1963-10-31 | 1964-12-14 | Spiral duct silencer for flowing gaseous media | |
| DE1260869B (en)* | 1964-02-04 | 1968-02-08 | Gerber Schall Schwingungstech | Soundproof backdrop for exhaust pipes |
| GB1192194A (en)* | 1966-08-05 | 1970-05-20 | Chiyoda Chem Eng Construct Co | Silencer for Suction or Discharge of Fluids Unders Pressure |
| GB1242864A (en)* | 1968-05-15 | 1971-08-18 | Dunlop Holdings Ltd | Acoustical elements |
| DE2303611B2 (en)* | 1973-01-25 | 1977-08-04 | Vasiljevic, Costa Silard, Dipl.-Ing. Dr, 7400 Tübingen | SILENCER |
| Publication number | Publication date |
|---|---|
| CH619804A5 (en) | 1980-10-15 |
| NL7704011A (en) | 1977-10-19 |
| FR2348429A1 (en) | 1977-11-10 |
| ATA265477A (en) | 1980-08-15 |
| AT361751B (en) | 1981-03-25 |
| DE2617000B2 (en) | 1981-04-02 |
| DE2617000A1 (en) | 1977-10-20 |
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