NO20014578D0 - Silencer lining for air or gas ducts - Google Patents

Silencer lining for air or gas ducts

Info

Publication number
NO20014578D0
NO20014578D0 NO20014578A NO20014578A NO20014578D0 NO 20014578 D0 NO20014578 D0 NO 20014578D0 NO 20014578 A NO20014578 A NO 20014578A NO 20014578 A NO20014578 A NO 20014578A NO 20014578 D0 NO20014578 D0 NO 20014578D0
Authority
NO
Norway
Prior art keywords
air
gas ducts
silencer
lining
silencer lining
Prior art date
Application number
NO20014578A
Other languages
Norwegian (no)
Other versions
NO320910B1 (en
NO20014578L (en
Inventor
Leif Pettersson
Original Assignee
Paroc Group Oy 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=20415030&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO20014578(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Paroc Group Oy Ab filed Critical Paroc Group Oy Ab
Publication of NO20014578D0 publication Critical patent/NO20014578D0/en
Publication of NO20014578L publication Critical patent/NO20014578L/en
Publication of NO320910B1 publication Critical patent/NO320910B1/en

Links

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
    • 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
NO20014578A 1999-03-26 2001-09-20 Silencer lining for air or gas ducts NO320910B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9901124A SE516302C2 (en) 1999-03-26 1999-03-26 Silencer insert for air or gas ducts
PCT/SE2000/000561 WO2000058659A1 (en) 1999-03-26 2000-03-22 Muffler lining for air or gas channels

Publications (3)

Publication Number Publication Date
NO20014578D0 true NO20014578D0 (en) 2001-09-20
NO20014578L NO20014578L (en) 2001-09-20
NO320910B1 NO320910B1 (en) 2006-02-13

Family

ID=20415030

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20014578A NO320910B1 (en) 1999-03-26 2001-09-20 Silencer lining for air or gas ducts

Country Status (7)

Country Link
EP (1) EP1166009A1 (en)
AU (1) AU4157300A (en)
EE (1) EE04385B1 (en)
NO (1) NO320910B1 (en)
PL (1) PL194488B1 (en)
SE (1) SE516302C2 (en)
WO (1) WO2000058659A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE525044C2 (en) * 2002-02-28 2004-11-16 Vasab Vaegg & Akustik System A Ventilation duct comprising sound attenuating materials of different densities and dampers with perforated blade
CN107702315A (en) * 2017-09-30 2018-02-16 苏州蓝邦环保科技有限公司 Muffling air duct

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3540547A (en) * 1968-12-31 1970-11-17 Charles Waddell Coward Jr Acoustical systems for air moving devices
DE2254159C3 (en) * 1972-11-04 1979-09-27 Ferroplast Gesellschaft Fuer Metall- Und Kunststofferzeugnisse Mbh, 4322 Sprockhoevel Silencer for duct fan in underground operation
US4408679A (en) * 1981-09-28 1983-10-11 Peabody Spunstrand, Inc. Sound attenuator
FR2564532B1 (en) * 1984-05-18 1986-09-12 Midi Houilleres Bassin Centre IN SITU REGENERABLE MUFFLERS FOR VENTILATORS IN VENTILATION SYSTEMS SUPPLIED WITH DUSTY AIR AND METHOD FOR IN SITU REGENERATION OF SUCH MUFFLERS.
DE3810364A1 (en) * 1988-03-26 1989-10-05 Oldorid Vertriebsgesellschaft Insulating and filling material for underground sound absorbers
DE4429045B4 (en) * 1994-08-16 2005-11-24 E. Missel Gmbh insulation
WO1999008038A1 (en) * 1997-08-08 1999-02-18 Shishiai-Kabushikigaisha Sound insulation member

Also Published As

Publication number Publication date
NO320910B1 (en) 2006-02-13
SE516302C2 (en) 2001-12-17
EP1166009A1 (en) 2002-01-02
SE9901124L (en) 2000-09-27
WO2000058659A1 (en) 2000-10-05
EE200100497A (en) 2002-12-16
PL194488B1 (en) 2007-06-29
PL351440A1 (en) 2003-04-22
AU4157300A (en) 2000-10-16
SE9901124D0 (en) 1999-03-26
EE04385B1 (en) 2004-10-15
NO20014578L (en) 2001-09-20

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