FR2307330A1 - ACOUSTIC ATTENUATOR, ESPECIALLY INSERABLE IN AN AIR DUCT - Google Patents

ACOUSTIC ATTENUATOR, ESPECIALLY INSERABLE IN AN AIR DUCT

Info

Publication number
FR2307330A1
FR2307330A1 FR7511416A FR7511416A FR2307330A1 FR 2307330 A1 FR2307330 A1 FR 2307330A1 FR 7511416 A FR7511416 A FR 7511416A FR 7511416 A FR7511416 A FR 7511416A FR 2307330 A1 FR2307330 A1 FR 2307330A1
Authority
FR
France
Prior art keywords
inserable
air duct
acoustic attenuator
attenuator
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.)
Granted
Application number
FR7511416A
Other languages
French (fr)
Other versions
FR2307330B1 (en
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.)
GRANDCHAMPS CHRISTIAN
Original Assignee
GRANDCHAMPS CHRISTIAN
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 GRANDCHAMPS CHRISTIAN filed Critical GRANDCHAMPS CHRISTIAN
Priority to FR7511416A priority Critical patent/FR2307330A1/en
Priority to IE73576A priority patent/IE42550B1/en
Priority to BE165973A priority patent/BE840537A/en
Priority to GB1460076A priority patent/GB1536164A/en
Priority to ES446879A priority patent/ES446879A1/en
Priority to IT6784076A priority patent/IT1058802B/en
Publication of FR2307330A1 publication Critical patent/FR2307330A1/en
Application granted granted Critical
Publication of FR2307330B1 publication Critical patent/FR2307330B1/fr
Granted legal-status Critical Current

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)
FR7511416A 1975-04-11 1975-04-11 ACOUSTIC ATTENUATOR, ESPECIALLY INSERABLE IN AN AIR DUCT Granted FR2307330A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7511416A FR2307330A1 (en) 1975-04-11 1975-04-11 ACOUSTIC ATTENUATOR, ESPECIALLY INSERABLE IN AN AIR DUCT
IE73576A IE42550B1 (en) 1975-04-11 1976-04-08 Acoustic attenuator
BE165973A BE840537A (en) 1975-04-11 1976-04-08 ACOUSTIC ATTENUATION, ESPECIALLY INSERABLE IN AN AIR DUCT
GB1460076A GB1536164A (en) 1975-04-11 1976-04-09 Acoustic attenuator
ES446879A ES446879A1 (en) 1975-04-11 1976-04-09 Acoustic attenuator
IT6784076A IT1058802B (en) 1975-04-11 1976-04-09 ACOUSTIC ATTENUATOR FOR GAS FLUID CONDUCT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7511416A FR2307330A1 (en) 1975-04-11 1975-04-11 ACOUSTIC ATTENUATOR, ESPECIALLY INSERABLE IN AN AIR DUCT

Publications (2)

Publication Number Publication Date
FR2307330A1 true FR2307330A1 (en) 1976-11-05
FR2307330B1 FR2307330B1 (en) 1978-02-24

Family

ID=9153836

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7511416A Granted FR2307330A1 (en) 1975-04-11 1975-04-11 ACOUSTIC ATTENUATOR, ESPECIALLY INSERABLE IN AN AIR DUCT

Country Status (6)

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

Families Citing this family (4)

* 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
CN108800517B (en) * 2018-08-29 2024-05-17 正升环境科技股份有限公司 Diffusion resonance silencing device and ventilation channel silencing system
CN112555556A (en) * 2020-10-27 2021-03-26 中国原子能科学研究院 Inverted tooth type throttling element
CN114440045A (en) * 2022-03-08 2022-05-06 公元股份有限公司 Noise-reducing energy dissipater of vertical pipe

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR921160A (en) * 1945-10-31 1947-04-29 Travaux Souterrains Advanced soundproofing channel
CH335132A (en) * 1951-08-30 1958-12-31 Canadian Patents Dev Installation to damp the noise generated by a gas jet escaping from a nozzle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR921160A (en) * 1945-10-31 1947-04-29 Travaux Souterrains Advanced soundproofing channel
CH335132A (en) * 1951-08-30 1958-12-31 Canadian Patents Dev Installation to damp the noise generated by a gas jet escaping from a nozzle

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"NOISE CONTROL : A COMMON-SENSE APPROACH") *
ARTICLE DE R.L.LOWERY *
REVUE US "MECHANICAL ENGINEERING", VOL. 95, NO 6, JUIN 1973, PAGES 26-31 *

Also Published As

Publication number Publication date
IE42550L (en) 1976-10-11
IE42550B1 (en) 1980-08-27
GB1536164A (en) 1978-12-20
BE840537A (en) 1976-10-08
ES446879A1 (en) 1977-06-01
IT1058802B (en) 1982-05-10
FR2307330B1 (en) 1978-02-24

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Legal Events

Date Code Title Description
ST Notification of lapse