NO308558B2 - Baffel for lyddempere - Google Patents

Baffel for lyddempere

Info

Publication number
NO308558B2
NO308558B2 NO985118A NO985118A NO308558B2 NO 308558 B2 NO308558 B2 NO 308558B2 NO 985118 A NO985118 A NO 985118A NO 985118 A NO985118 A NO 985118A NO 308558 B2 NO308558 B2 NO 308558B2
Authority
NO
Norway
Prior art keywords
silencers
baffle
Prior art date
Application number
NO985118A
Other languages
English (en)
Other versions
NO985118L (no
NO308558B1 (no
NO985118D0 (no
Inventor
Jonas Tiger
Original Assignee
Swegon Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20408835&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO308558(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Swegon Ab filed Critical Swegon Ab
Publication of NO985118D0 publication Critical patent/NO985118D0/no
Publication of NO985118L publication Critical patent/NO985118L/no
Publication of NO308558B2 publication Critical patent/NO308558B2/no
Publication of NO308558B1 publication Critical patent/NO308558B1/no

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)
NO985118A 1997-11-03 1998-11-02 Baffel for lyddempere NO308558B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9704006A SE511627C2 (sv) 1997-11-03 1997-11-03 Baffel för ljuddämpere för rektangulära ventilationskanaler

Publications (4)

Publication Number Publication Date
NO985118D0 NO985118D0 (no) 1998-11-02
NO985118L NO985118L (no) 1999-05-04
NO308558B2 true NO308558B2 (no) 2000-09-25
NO308558B1 NO308558B1 (no) 2000-09-25

Family

ID=20408835

Family Applications (1)

Application Number Title Priority Date Filing Date
NO985118A NO308558B1 (no) 1997-11-03 1998-11-02 Baffel for lyddempere

Country Status (3)

Country Link
EP (1) EP0921358A3 (no)
NO (1) NO308558B1 (no)
SE (1) SE511627C2 (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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
CA2957902C (en) * 2016-02-24 2019-05-07 VAW Systems Ltd. Duct mounted sound attenuating baffle with an internally suspended mass layer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
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
EP0558472B1 (en) * 1990-11-21 1998-04-08 Sound Attenuators Limited Improvements in attenuators
FR2675936B1 (fr) * 1991-04-24 1993-08-20 Noisetec Sa Dispositif d'insonorisation, notamment pour systemes de ventilation.
DE9406628U1 (de) * 1994-04-20 1994-08-25 G + H Montage GmbH, 67059 Ludwigshafen Dämpferelement
CA2164370A1 (en) * 1995-12-04 1997-06-05 Donald L. Allen 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
SE9704006L (sv) 1999-05-04
EP0921358A3 (en) 1999-06-23
SE9704006D0 (sv) 1997-11-03
NO985118L (no) 1999-05-04
NO308558B1 (no) 2000-09-25
EP0921358A2 (en) 1999-06-09
SE511627C2 (sv) 1999-11-01
NO985118D0 (no) 1998-11-02

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Legal Events

Date Code Title Description
CB Opposition filed (par. 26,5 patents act)

Opponent name: LINDAB AB, S-269 82 BASTAD, SE

Effective date: 20010621

PDP Decision of opposition (par. 25 patent act)

Free format text: "FORSTE AVDELINGS AVGJORELSE STADFESTES, DOG SLIK AT PATENTET MEDDELES MED PATENTKRAV 1-7 INNGITT 20070620, NAR BESKRIVELSEN ER FUNNET GODTAKBAR." AVGJORELSEN ER RETTSKRAFTIG

MM1K Lapsed by not paying the annual fees