GB202108931D0 - Noise reduction for air flow devices - Google Patents

Noise reduction for air flow devices

Info

Publication number
GB202108931D0
GB202108931D0 GBGB2108931.3A GB202108931A GB202108931D0 GB 202108931 D0 GB202108931 D0 GB 202108931D0 GB 202108931 A GB202108931 A GB 202108931A GB 202108931 D0 GB202108931 D0 GB 202108931D0
Authority
GB
United Kingdom
Prior art keywords
air flow
noise reduction
flow devices
devices
noise
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
GBGB2108931.3A
Other versions
GB2606415A (en
GB2606415B (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.)
Dyson Technology Ltd
Original Assignee
Dyson Technology 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 Dyson Technology Ltd filed Critical Dyson Technology Ltd
Publication of GB202108931D0 publication Critical patent/GB202108931D0/en
Priority to CN202280031409.2A priority Critical patent/CN117222817A/en
Priority to PCT/GB2022/050978 priority patent/WO2022229596A1/en
Publication of GB2606415A publication Critical patent/GB2606415A/en
Application granted granted Critical
Publication of GB2606415B publication Critical patent/GB2606415B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F04D29/665—Sound attenuation by means of resonance chambers or interference
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/601—Fabrics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/603—Composites; e.g. fibre-reinforced
    • 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
    • F24F2013/245—Means for preventing or suppressing noise using resonance

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB2108931.3A 2021-04-29 2021-06-22 Noise reduction for air flow devices Active GB2606415B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202280031409.2A CN117222817A (en) 2021-04-29 2022-04-19 Noise reduction for air flow equipment
PCT/GB2022/050978 WO2022229596A1 (en) 2021-04-29 2022-04-19 Noise reduction for air flow devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2106115.5A GB2606703A (en) 2021-04-29 2021-04-29 Noise reduction for air flow devices

Publications (3)

Publication Number Publication Date
GB202108931D0 true GB202108931D0 (en) 2021-08-04
GB2606415A GB2606415A (en) 2022-11-09
GB2606415B GB2606415B (en) 2023-12-20

Family

ID=76300991

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2106115.5A Withdrawn GB2606703A (en) 2021-04-29 2021-04-29 Noise reduction for air flow devices
GB2108931.3A Active GB2606415B (en) 2021-04-29 2021-06-22 Noise reduction for air flow devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB2106115.5A Withdrawn GB2606703A (en) 2021-04-29 2021-04-29 Noise reduction for air flow devices

Country Status (2)

Country Link
GB (2) GB2606703A (en)
WO (1) WO2022229594A1 (en)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3312389A (en) * 1964-05-04 1967-04-04 Fukuo Saeki Air blower device with silencer
FR2190185A5 (en) * 1972-06-16 1974-01-25 Hibon Georges E S
US4287962A (en) * 1977-11-14 1981-09-08 Industrial Acoustics Company Packless silencer
SE510530C2 (en) * 1993-03-05 1999-05-31 Volvo Ab Device for sound attenuation in a duct system
US5742996A (en) * 1996-01-03 1998-04-28 International Business Machines Corporation Method of manufacturing a transducer suspension system
US5979593A (en) * 1997-01-13 1999-11-09 Hersh Acoustical Engineering, Inc. Hybrid mode-scattering/sound-absorbing segmented liner system and method
EP1602810A1 (en) * 2004-06-04 2005-12-07 ABB Turbo Systems AG Sound absorber for compressor
TWI260485B (en) * 2004-06-09 2006-08-21 Quanta Comp Inc Centrifugal fan with resonant silencer
JP5866751B2 (en) * 2009-11-30 2016-02-17 ヤマハ株式会社 Acoustic resonator and acoustic chamber
GB2502104B (en) * 2012-05-16 2016-01-27 Dyson Technology Ltd A fan
GB2502106A (en) * 2012-05-16 2013-11-20 Dyson Technology Ltd Bladeless fan
EP3325816B1 (en) * 2015-07-22 2019-08-28 Carrier Corporation Diffuser restriction ring
US11434819B2 (en) * 2019-03-29 2022-09-06 General Electric Company Acoustic liners with enhanced acoustic absorption and reduced drag characteristics

Also Published As

Publication number Publication date
WO2022229594A1 (en) 2022-11-03
GB2606703A (en) 2022-11-23
GB2606415A (en) 2022-11-09
GB2606415B (en) 2023-12-20
GB202106115D0 (en) 2021-06-16

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