BE772944A - ACOUSTIC ATTENUATOR - Google Patents

ACOUSTIC ATTENUATOR

Info

Publication number
BE772944A
BE772944A BE772944A BE772944A BE772944A BE 772944 A BE772944 A BE 772944A BE 772944 A BE772944 A BE 772944A BE 772944 A BE772944 A BE 772944A BE 772944 A BE772944 A BE 772944A
Authority
BE
Belgium
Prior art keywords
acoustic attenuator
attenuator
acoustic
Prior art date
Application number
BE772944A
Other languages
French (fr)
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 BE772944A publication Critical patent/BE772944A/en

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
BE772944A 1970-09-22 1971-09-22 ACOUSTIC ATTENUATOR BE772944A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4504070 1970-09-22

Publications (1)

Publication Number Publication Date
BE772944A true BE772944A (en) 1972-01-17

Family

ID=10435644

Family Applications (1)

Application Number Title Priority Date Filing Date
BE772944A BE772944A (en) 1970-09-22 1971-09-22 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
AU3370471A (en) 1973-03-29
AU458021B2 (en) 1975-02-13
FR2108344A5 (en) 1972-05-19
GB1329862A (en) 1973-09-12
ZA716280B (en) 1972-05-31

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: SOUND ATTENUATORS LTD

Effective date: 19910922