AU458021B2 - Improved acoustic attenuator - Google Patents

Improved acoustic attenuator

Info

Publication number
AU458021B2
AU458021B2 AU33704/71A AU3370471A AU458021B2 AU 458021 B2 AU458021 B2 AU 458021B2 AU 33704/71 A AU33704/71 A AU 33704/71A AU 3370471 A AU3370471 A AU 3370471A AU 458021 B2 AU458021 B2 AU 458021B2
Authority
AU
Australia
Prior art keywords
improved acoustic
acoustic attenuator
attenuator
improved
acoustic
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.)
Expired
Application number
AU33704/71A
Other versions
AU3370471A (en
Inventor
Trevor Fry Alan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sound Attenuators Ltd
Original Assignee
Sound Attenuators Ltd
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
Application filed by Sound Attenuators Ltd filed Critical Sound Attenuators Ltd
Publication of AU3370471A publication Critical patent/AU3370471A/en
Application granted granted Critical
Publication of AU458021B2 publication Critical patent/AU458021B2/en
Expired legal-status Critical Current

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
    • F24F13/24—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)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
AU33704/71A 1970-09-22 1971-09-21 Improved acoustic attenuator Expired AU458021B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4504070 1970-09-22
GBGB45040/70 1970-09-22

Publications (2)

Publication Number Publication Date
AU3370471A AU3370471A (en) 1973-03-29
AU458021B2 true AU458021B2 (en) 1975-02-13

Family

ID=10435644

Family Applications (1)

Application Number Title Priority Date Filing Date
AU33704/71A Expired AU458021B2 (en) 1970-09-22 1971-09-21 Improved acoustic attenuator

Country Status (5)

Country Link
AU (1) AU458021B2 (en)
BE (1) BE772944A (en)
FR (1) FR2108344A5 (en)
GB (1) GB1329862A (en)
ZA (1) ZA716280B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2309825A1 (en) * 1975-04-30 1976-11-26 Hamon Sobelco Sa Ventilation grid for cooling tower - has angled, aerofoil blades which overlap, and carry sound absorbing layer
SE390566B (en) * 1975-05-23 1976-12-27 Stifab Ab FRANLUFTSDON
IT1118938B (en) * 1979-10-05 1986-03-03 Fiat Ricerche VENTILATION SHUTTER INCLUDING A PLURALITY OF PROFILED BLINDS
GB8503243D0 (en) * 1985-02-08 1985-03-13 Colchester Woods Air duct silencer
FR2624641A1 (en) * 1987-12-09 1989-06-16 Serva Soc Device for attenuating the propagation of sound, for air inlet orifices
GB2292775B (en) * 1994-09-01 1999-01-06 Zeta Dynamics Ltd Fluid flow device
DE202006005673U1 (en) * 2006-04-05 2006-06-08 Pfannenberg Gmbh Covering device for front region of air inlet has each slat with sector shaped into hook in upper region opposite air inflow
SE541181C2 (en) * 2014-09-15 2019-04-23 Casamja Ab Sound attenuator for continuous opening in window sill or other partition surface

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1865677A (en) * 1929-07-19 1932-07-05 Buffalo Forge Co Sound deadener
DE1201528B (en) * 1959-06-25 1965-09-23 Bahco Ab Silencer for ventilation units
US3033307A (en) * 1959-10-06 1962-05-08 Industrial Acoustics Co Noise attenuating apparatus
GB1184828A (en) * 1967-11-17 1970-03-18 Colchester Woods Improvements in or relating to Sound Attenuating Units

Also Published As

Publication number Publication date
FR2108344A5 (en) 1972-05-19
GB1329862A (en) 1973-09-12
AU3370471A (en) 1973-03-29
ZA716280B (en) 1972-05-31
BE772944A (en) 1972-01-17

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