FR2433217B2 - - Google Patents
Info
- Publication number
- FR2433217B2 FR2433217B2 FR7920199A FR7920199A FR2433217B2 FR 2433217 B2 FR2433217 B2 FR 2433217B2 FR 7920199 A FR7920199 A FR 7920199A FR 7920199 A FR7920199 A FR 7920199A FR 2433217 B2 FR2433217 B2 FR 2433217B2
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2834823A DE2834823C2 (en) | 1978-08-09 | 1978-08-09 | Volume-changing resonators based on the disc spring principle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2433217A2 FR2433217A2 (en) | 1980-03-07 |
| FR2433217B2 true FR2433217B2 (en) | 1984-08-17 |
Family
ID=6046556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7920199A Granted FR2433217A2 (en) | 1978-08-09 | 1979-08-07 | NOISE REDUCTION BY RESONATORS DRIVEN IN OSCILLATION |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2834823C2 (en) |
| FR (1) | FR2433217A2 (en) |
| GB (1) | GB2028049B (en) |
| IT (1) | IT1162762B (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2947026C2 (en) * | 1979-11-22 | 1981-10-01 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Silators to reduce noise |
| DE2947256C2 (en) * | 1979-11-23 | 1984-09-13 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Device for reducing exhaust or exhaust noise |
| DE3020849A1 (en) * | 1980-06-02 | 1981-12-17 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | SCREENS WITH RESONATORS, IN PARTICULAR SILATORS |
| DE3020830A1 (en) * | 1980-06-02 | 1981-12-10 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | COINCIDENCE SILENCER |
| DE3241932A1 (en) * | 1982-11-12 | 1984-05-17 | Transformatoren Union Ag, 7000 Stuttgart | TRANSFORMER WITH OIL-COOLED ACTIVE COMPONENT AND SOUND ABSORBING RESONATORS |
| DE3347827A1 (en) * | 1983-05-10 | 1985-03-07 | Metzeler Kautschuk GmbH, 8000 München | Resonating, variable-volume resonator in the form of a silator |
| DE3317103C2 (en) * | 1983-05-10 | 1986-08-07 | Metzeler Kautschuk GmbH, 8000 München | Resonant, volume-changing resonator in the form of a silator |
| DE3330471A1 (en) * | 1983-08-24 | 1985-03-14 | Metzeler Kautschuk GmbH, 8000 München | Covibrating, variable-volume resonator in the form of a silator |
| SE441317B (en) * | 1984-02-14 | 1985-09-23 | Asea Ab | SOUND MUTING DEVICE |
| US5241512A (en) * | 1991-04-25 | 1993-08-31 | Hutchinson 2 | Acoustic protection material and apparatus including such material |
| PL294336A1 (en) * | 1991-04-25 | 1992-11-30 | Hutchinson Sa | Noise damping material and apparatus for protecting against noise incorporating such material |
| FR2750527B1 (en) † | 1996-06-28 | 1998-08-21 | Bertin & Cie | NOISE ABSORPTION STRUCTURES AND WALLS MADE OF SUCH STRUCTURES |
| DE19802359C2 (en) * | 1998-01-22 | 2001-09-13 | Oskar Bschorr | Vibration damping or activation method and negative spring therefor |
| DE19821067C1 (en) * | 1998-05-12 | 1999-11-11 | Coldewey Maik | Spring plate type resonator used in e.g. ventilation ducts for damping low frequency noise |
| DE19816092A1 (en) * | 1998-05-12 | 1999-11-18 | Coldewey Maik | Volume-altering resonator component for sound damping |
| GB0304867D0 (en) * | 2003-03-04 | 2003-04-09 | Rickards M J | A sound barrier vacuum panel |
| JP7310120B2 (en) * | 2018-11-05 | 2023-07-19 | ヤマハ株式会社 | sound absorbing structure |
| DE102021000670A1 (en) | 2021-02-09 | 2022-08-11 | Thilo Tollkühn | Panels for soundproofing and soundproofing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2502017A (en) * | 1943-12-27 | 1950-03-28 | Rca Corp | Suspension means for acoustical absorbers |
| AU2494471A (en) * | 1970-02-04 | 1972-08-10 | Keithroy Morrison | Noise suppression means for use on pneumatic tools, machinery and in building construction |
| DE2235452A1 (en) * | 1972-07-20 | 1974-01-24 | Robert Dipl Chem Freund | PROCESS FOR SOUND ABSORPTION BY VOLUME CHANGING GASES |
-
1978
- 1978-08-09 DE DE2834823A patent/DE2834823C2/en not_active Expired
-
1979
- 1979-07-26 IT IT24674/79A patent/IT1162762B/en active
- 1979-07-27 GB GB7926179A patent/GB2028049B/en not_active Expired
- 1979-08-07 FR FR7920199A patent/FR2433217A2/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2834823B1 (en) | 1979-10-25 |
| IT1162762B (en) | 1987-04-01 |
| GB2028049A (en) | 1980-02-27 |
| GB2028049B (en) | 1982-11-24 |
| DE2834823C2 (en) | 1980-07-17 |
| FR2433217A2 (en) | 1980-03-07 |
| IT7924674A0 (en) | 1979-07-26 |