BE840537A - Attenuation acoustique, inserable notamment dans un conduit d'air - Google Patents

Attenuation acoustique, inserable notamment dans un conduit d'air

Info

Publication number
BE840537A
BE840537A BE165973A BE165973A BE840537A BE 840537 A BE840537 A BE 840537A BE 165973 A BE165973 A BE 165973A BE 165973 A BE165973 A BE 165973A BE 840537 A BE840537 A BE 840537A
Authority
BE
Belgium
Prior art keywords
inserable
air duct
acoustic attenuation
attenuation
acoustic
Prior art date
Application number
BE165973A
Other languages
English (en)
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 filed Critical
Publication of BE840537A publication Critical patent/BE840537A/fr

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
    • F16L55/027—Throttle passages
    • F16L55/02736—Throttle passages using transversal baffles defining a tortuous path

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Duct Arrangements (AREA)
  • Exhaust Silencers (AREA)
  • Air-Flow Control Members (AREA)
BE165973A 1975-04-11 1976-04-08 Attenuation acoustique, inserable notamment dans un conduit d'air BE840537A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7511416A FR2307330A1 (fr) 1975-04-11 1975-04-11 Attenuateur acoustique, inserable notamment dans un conduit d'air

Publications (1)

Publication Number Publication Date
BE840537A true BE840537A (fr) 1976-10-08

Family

ID=9153836

Family Applications (1)

Application Number Title Priority Date Filing Date
BE165973A BE840537A (fr) 1975-04-11 1976-04-08 Attenuation acoustique, inserable notamment dans un conduit d'air

Country Status (6)

Country Link
BE (1) BE840537A (fr)
ES (1) ES446879A1 (fr)
FR (1) FR2307330A1 (fr)
GB (1) GB1536164A (fr)
IE (1) IE42550B1 (fr)
IT (1) IT1058802B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108800517A (zh) * 2018-08-29 2018-11-13 正升环境科技股份有限公司 扩散共振消声装置及通风通道消声系统

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8061476B2 (en) 2005-03-18 2011-11-22 Tumane Enterprises Limited Sound dampening flow channel device
CN112555556A (zh) * 2020-10-27 2021-03-26 中国原子能科学研究院 一种倒齿型节流件
CN114440045A (zh) * 2022-03-08 2022-05-06 公元股份有限公司 一种立管的降噪消能器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR921160A (fr) * 1945-10-31 1947-04-29 Travaux Souterrains Canal perfectionné d'insonorisation
CH335132A (fr) * 1951-08-30 1958-12-31 Canadian Patents Dev Installation pour amortir le bruit engendré par un jet de gaz s'échappant d'une tuyère

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108800517A (zh) * 2018-08-29 2018-11-13 正升环境科技股份有限公司 扩散共振消声装置及通风通道消声系统
CN108800517B (zh) * 2018-08-29 2024-05-17 正升环境科技股份有限公司 扩散共振消声装置及通风通道消声系统

Also Published As

Publication number Publication date
FR2307330A1 (fr) 1976-11-05
FR2307330B1 (fr) 1978-02-24
GB1536164A (en) 1978-12-20
ES446879A1 (es) 1977-06-01
IE42550B1 (en) 1980-08-27
IT1058802B (it) 1982-05-10
IE42550L (en) 1976-10-11

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