SE8406282D0 - Ljuddempare for reducering av kanalburet luftljud - Google Patents
Ljuddempare for reducering av kanalburet luftljudInfo
- Publication number
- SE8406282D0 SE8406282D0 SE8406282A SE8406282A SE8406282D0 SE 8406282 D0 SE8406282 D0 SE 8406282D0 SE 8406282 A SE8406282 A SE 8406282A SE 8406282 A SE8406282 A SE 8406282A SE 8406282 D0 SE8406282 D0 SE 8406282D0
- Authority
- SE
- Sweden
- Prior art keywords
- air
- passageway
- casing
- absorbing material
- sound
- Prior art date
Links
- 239000011358 absorbing material Substances 0.000 abstract 2
- 230000002745 absorbent Effects 0.000 abstract 1
- 239000002250 absorbent Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 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)
Priority Applications (5)
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 |
EP86900679A EP0261105A1 (en) | 1984-12-11 | 1985-12-20 | Device for reducing duct-carried air-borne sound |
NO1988880116A NO880116D0 (no) | 1984-12-11 | 1988-01-12 | Anordning til reduksjon av kanalbaaret luftlyd. |
FI881922A FI881922A0 (fi) | 1984-12-11 | 1988-04-22 | Ljuddaempare foer reducering av kanalburet luftljud. |
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 (3)
Publication Number | Publication Date |
---|---|
SE8406282D0 true SE8406282D0 (sv) | 1984-12-11 |
SE8406282L SE8406282L (sv) | 1986-06-12 |
SE447413B SE447413B (sv) | 1986-11-10 |
Family
ID=26658834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8406282A SE447413B (sv) | 1984-12-11 | 1984-12-11 | Ljuddempare for reducering av kanalburet luftljud |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0261105A1 (sv) |
FI (1) | FI881922A0 (sv) |
NO (1) | NO880116D0 (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 |
DE69606742T2 (de) * | 1995-07-21 | 2000-10-05 | Robert Alan Gladden | Schalldämpfer, ihre Herstellung und ihre Verwendung zur Schalldämpfung in Leitungen |
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 WO PCT/SE1985/000540 patent/WO1987003948A1/en not_active Application Discontinuation
- 1985-12-20 EP EP86900679A patent/EP0261105A1/en not_active Withdrawn
-
1988
- 1988-01-12 NO NO1988880116A patent/NO880116D0/no unknown
- 1988-04-22 FI FI881922A patent/FI881922A0/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NO880116L (no) | 1988-01-12 |
SE447413B (sv) | 1986-11-10 |
EP0261105A1 (en) | 1988-03-30 |
NO880116D0 (no) | 1988-01-12 |
FI881922A (fi) | 1988-04-22 |
SE8406282L (sv) | 1986-06-12 |
WO1987003948A1 (en) | 1987-07-02 |
FI881922A0 (fi) | 1988-04-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8406282-7 Effective date: 19940710 Format of ref document f/p: F |