FR1081449A - Acoustic method and system for reducing the intensity of sound energy accompanying the flow of a fluid in an enclosed space - Google Patents

Acoustic method and system for reducing the intensity of sound energy accompanying the flow of a fluid in an enclosed space

Info

Publication number
FR1081449A
FR1081449A FR1081449DA FR1081449A FR 1081449 A FR1081449 A FR 1081449A FR 1081449D A FR1081449D A FR 1081449DA FR 1081449 A FR1081449 A FR 1081449A
Authority
FR
France
Prior art keywords
intensity
fluid
reducing
flow
enclosed space
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
Other languages
French (fr)
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.)
BOLT SOC
Original Assignee
BOLT SOC
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 BOLT SOC filed Critical BOLT SOC
Application granted granted Critical
Publication of FR1081449A publication Critical patent/FR1081449A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/10—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling in combination with sound-absorbing materials
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR1081449D 1952-07-24 1953-07-20 Acoustic method and system for reducing the intensity of sound energy accompanying the flow of a fluid in an enclosed space Expired FR1081449A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA1081449X 1952-07-24

Publications (1)

Publication Number Publication Date
FR1081449A true FR1081449A (en) 1954-12-20

Family

ID=4173476

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1081449D Expired FR1081449A (en) 1952-07-24 1953-07-20 Acoustic method and system for reducing the intensity of sound energy accompanying the flow of a fluid in an enclosed space

Country Status (1)

Country Link
FR (1) FR1081449A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2362013A1 (en) * 1972-12-18 1974-06-27 Pall Corp WHIRLING AIR CLEANER ARRANGEMENT WITH A SOUND ATTENUATION DEVICE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2362013A1 (en) * 1972-12-18 1974-06-27 Pall Corp WHIRLING AIR CLEANER ARRANGEMENT WITH A SOUND ATTENUATION DEVICE

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