NO880116L - Anordning til reduksjon av kanalbaaret luftlyd. - Google Patents
Anordning til reduksjon av kanalbaaret luftlyd.Info
- Publication number
- NO880116L NO880116L NO88880116A NO880116A NO880116L NO 880116 L NO880116 L NO 880116L NO 88880116 A NO88880116 A NO 88880116A NO 880116 A NO880116 A NO 880116A NO 880116 L NO880116 L NO 880116L
- Authority
- NO
- Norway
- Prior art keywords
- sound
- cross
- stated
- section
- absorbing
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 21
- 239000011358 absorbing material Substances 0.000 claims description 16
- 230000003584 silencer Effects 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 10
- 239000011490 mineral wool Substances 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 description 9
- 230000002745 absorbent Effects 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 6
- 238000013016 damping Methods 0.000 description 6
- 239000011888 foil Substances 0.000 description 4
- OXSYGCRLQCGSAQ-UHFFFAOYSA-N CC1CCC2N(C1)CC3C4(O)CC5C(CCC6C(O)C(O)CCC56C)C4(O)CC(O)C3(O)C2(C)O Chemical compound CC1CCC2N(C1)CC3C4(O)CC5C(CCC6C(O)C(O)CCC56C)C4(O)CC(O)C3(O)C2(C)O OXSYGCRLQCGSAQ-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/0336—Noise absorbers by means of sound-absorbing materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Pipe Accessories (AREA)
- Duct Arrangements (AREA)
- Exhaust Silencers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8406282A SE447413B (sv) | 1984-12-11 | 1984-12-11 | Ljuddempare for reducering av kanalburet luftljud |
| PCT/SE1985/000540 WO1987003948A1 (en) | 1984-12-11 | 1985-12-20 | Device for reducing duct-carried air-borne sound |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO880116D0 NO880116D0 (no) | 1988-01-12 |
| NO880116L true NO880116L (no) | 1988-01-12 |
Family
ID=26658834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO88880116A NO880116L (no) | 1984-12-11 | 1988-01-12 | Anordning til reduksjon av kanalbaaret luftlyd. |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0261105A1 (sv) |
| FI (1) | FI881922A (sv) |
| NO (1) | NO880116L (sv) |
| SE (1) | SE447413B (sv) |
| WO (1) | WO1987003948A1 (sv) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI91995C (sv) * | 1990-11-20 | 1994-09-12 | Valmet Paper Machinery Inc | Absorptiv ljuddämpare, speciellt för luftkanaler i pappersfabriker |
| EP0754901B1 (en) * | 1995-07-21 | 2000-02-23 | Robert Alan Gladden | Noise attenuators, their manufacture, and their use for noise attenuation in ducts |
| FI124494B (sv) | 2010-05-12 | 2014-09-30 | Jeven Oy | Dämpningsdel för en ljuddämpare i en ventilationskanal och ljuddämpare i en ventilationskanal |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2620169A1 (de) * | 1976-05-07 | 1977-11-10 | Gruenzweig Hartmann Glasfaser | Schalldaempfer fuer rohrleitungen |
-
1984
- 1984-12-11 SE SE8406282A patent/SE447413B/sv not_active IP Right Cessation
-
1985
- 1985-12-20 EP EP86900679A patent/EP0261105A1/en not_active Withdrawn
- 1985-12-20 WO PCT/SE1985/000540 patent/WO1987003948A1/en not_active Application Discontinuation
-
1988
- 1988-01-12 NO NO88880116A patent/NO880116L/no unknown
- 1988-04-22 FI FI881922A patent/FI881922A/fi not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NO880116D0 (no) | 1988-01-12 |
| FI881922A0 (fi) | 1988-04-22 |
| WO1987003948A1 (en) | 1987-07-02 |
| SE8406282D0 (sv) | 1984-12-11 |
| EP0261105A1 (en) | 1988-03-30 |
| SE447413B (sv) | 1986-11-10 |
| SE8406282L (sv) | 1986-06-12 |
| FI881922A (fi) | 1988-04-22 |
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