EP0921358A3 - Schallabsorber für Luftkanäle - Google Patents
Schallabsorber für Luftkanäle Download PDFInfo
- Publication number
- EP0921358A3 EP0921358A3 EP98850167A EP98850167A EP0921358A3 EP 0921358 A3 EP0921358 A3 EP 0921358A3 EP 98850167 A EP98850167 A EP 98850167A EP 98850167 A EP98850167 A EP 98850167A EP 0921358 A3 EP0921358 A3 EP 0921358A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- baffle
- parts
- edge
- air
- casing
- Prior art date
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0263—Insulation for air ducts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Duct Arrangements (AREA)
- Exhaust Silencers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9704006 | 1997-11-03 | ||
SE9704006A SE511627C2 (sv) | 1997-11-03 | 1997-11-03 | Baffel för ljuddämpere för rektangulära ventilationskanaler |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0921358A2 EP0921358A2 (de) | 1999-06-09 |
EP0921358A3 true EP0921358A3 (de) | 1999-06-23 |
Family
ID=20408835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98850167A Withdrawn EP0921358A3 (de) | 1997-11-03 | 1998-11-02 | Schallabsorber für Luftkanäle |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0921358A3 (de) |
NO (1) | NO308558B2 (de) |
SE (1) | SE511627C2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE525052C2 (sv) * | 2002-02-28 | 2004-11-16 | Vasab Vaegg & Akustik System A | Ljuddämpare och baffel där varje baffel innefattar perforerad plåt i centrumplan och ljudabsorberande material med olika densiteter |
SE532157C2 (sv) * | 2008-03-06 | 2009-11-03 | Lindab Ab | Ljuddämpande baffel samt baffelarrangemang |
US9714630B2 (en) * | 2015-10-07 | 2017-07-25 | General Electric Company | Noise baffle for a rotary machine and method of making same |
US10260772B2 (en) * | 2016-02-24 | 2019-04-16 | VAW Systems Ltd. | Duct mounted sound attenuating baffle with an internally suspended mass layer |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3511336A (en) * | 1969-06-10 | 1970-05-12 | Rink Corp | Sound attenuator for air flow |
DE2513946C2 (de) * | 1975-03-29 | 1981-11-26 | Gebrüder Trox, GmbH, 4133 Neukirchen-Vluyn | Kulissenschalldämpfer |
DE3425450A1 (de) * | 1983-09-22 | 1985-04-04 | Rox Lufttechnische Gerätebau GmbH, 5000 Köln | Geraeteschalldaempfer |
SE450656B (sv) * | 1982-05-14 | 1987-07-13 | Bahco Ventilation Ab | Ljuddempare for ventilationskanaler eller ventilationsapparater |
DE3943078A1 (de) * | 1989-12-27 | 1991-07-04 | Westaflexwerk Gmbh & Co Kg | Kulissenhalter fuer luft oder gase fuehrende kanaele |
WO1992009988A1 (en) * | 1990-11-21 | 1992-06-11 | Sound Attenuators Limited | Improvements in attenuators |
EP0511149A1 (de) * | 1991-04-24 | 1992-10-28 | Noisetec, S.A. | Geräuschdämpfende Vorrichtung, insbesondere für Lüftungsanlagen |
SE500451C2 (sv) * | 1990-08-07 | 1994-06-27 | Pm Luft | Ljuddämpande enhet |
DE9406628U1 (de) * | 1994-04-20 | 1994-08-25 | G + H Montage GmbH, 67059 Ludwigshafen | Dämpferelement |
DE29618736U1 (de) * | 1996-10-28 | 1997-01-09 | dB-Tec Schallschutz GmbH, 70329 Stuttgart | Absorptionsschalldämpfer |
US5869792A (en) * | 1995-12-04 | 1999-02-09 | Vibron Limited | Reactive acoustic silencer |
-
1997
- 1997-11-03 SE SE9704006A patent/SE511627C2/sv unknown
-
1998
- 1998-11-02 EP EP98850167A patent/EP0921358A3/de not_active Withdrawn
- 1998-11-02 NO NO985118A patent/NO308558B2/no not_active IP Right Cessation
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3511336A (en) * | 1969-06-10 | 1970-05-12 | Rink Corp | Sound attenuator for air flow |
DE2513946C2 (de) * | 1975-03-29 | 1981-11-26 | Gebrüder Trox, GmbH, 4133 Neukirchen-Vluyn | Kulissenschalldämpfer |
SE450656B (sv) * | 1982-05-14 | 1987-07-13 | Bahco Ventilation Ab | Ljuddempare for ventilationskanaler eller ventilationsapparater |
DE3425450A1 (de) * | 1983-09-22 | 1985-04-04 | Rox Lufttechnische Gerätebau GmbH, 5000 Köln | Geraeteschalldaempfer |
DE3943078A1 (de) * | 1989-12-27 | 1991-07-04 | Westaflexwerk Gmbh & Co Kg | Kulissenhalter fuer luft oder gase fuehrende kanaele |
SE500451C2 (sv) * | 1990-08-07 | 1994-06-27 | Pm Luft | Ljuddämpande enhet |
WO1992009988A1 (en) * | 1990-11-21 | 1992-06-11 | Sound Attenuators Limited | Improvements in attenuators |
EP0511149A1 (de) * | 1991-04-24 | 1992-10-28 | Noisetec, S.A. | Geräuschdämpfende Vorrichtung, insbesondere für Lüftungsanlagen |
DE9406628U1 (de) * | 1994-04-20 | 1994-08-25 | G + H Montage GmbH, 67059 Ludwigshafen | Dämpferelement |
US5869792A (en) * | 1995-12-04 | 1999-02-09 | Vibron Limited | Reactive acoustic silencer |
DE29618736U1 (de) * | 1996-10-28 | 1997-01-09 | dB-Tec Schallschutz GmbH, 70329 Stuttgart | Absorptionsschalldämpfer |
Also Published As
Publication number | Publication date |
---|---|
SE9704006D0 (sv) | 1997-11-03 |
NO985118D0 (no) | 1998-11-02 |
SE9704006L (sv) | 1999-05-04 |
SE511627C2 (sv) | 1999-11-01 |
NO308558B1 (no) | 2000-09-25 |
EP0921358A2 (de) | 1999-06-09 |
NO985118L (no) | 1999-05-04 |
NO308558B2 (no) | 2000-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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PUAL | Search report despatched |
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AK | Designated contracting states |
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17P | Request for examination filed |
Effective date: 19990811 |
|
AKX | Designation fees paid |
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|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |
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RTI1 | Title (correction) |
Free format text: A BAFFLE FOR SOUND ABSORBERS |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20030220 |