GB2606415B - Noise reduction for air flow devices - Google Patents
Noise reduction for air flow devices Download PDFInfo
- Publication number
- GB2606415B GB2606415B GB2108931.3A GB202108931A GB2606415B GB 2606415 B GB2606415 B GB 2606415B GB 202108931 A GB202108931 A GB 202108931A GB 2606415 B GB2606415 B GB 2606415B
- 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.)
- Active
Links
Classifications
-
- 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
- F04D29/66—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
-
- 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
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 GB202108931D0 (en) | 2021-08-04 |
GB2606415A GB2606415A (en) | 2022-11-09 |
GB2606415B true 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) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1980002304A1 (en) * | 1979-04-17 | 1980-10-30 | Acoustics Co Ind Inc | Packless silencer |
US5493080A (en) * | 1993-03-05 | 1996-02-20 | Ab Volvo | External arrangement for damping sounds in a pipe system |
US5930080A (en) * | 1996-01-03 | 1999-07-27 | International Business Machine Corporation | Transducer suspension system |
US20050276684A1 (en) * | 2004-06-09 | 2005-12-15 | Yu-Nien Huang | Centrifugal fan with resonant silencer |
EP2328141A2 (en) * | 2009-11-30 | 2011-06-01 | Yamaha Corporation | Acoustic resonator and sound chamber |
GB2502106A (en) * | 2012-05-16 | 2013-11-20 | Dyson Technology Ltd | Bladeless fan |
GB2502104A (en) * | 2012-05-16 | 2013-11-20 | Dyson Technology Ltd | Bladeless fan |
Family Cites Families (6)
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 | |
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 |
US10690148B2 (en) * | 2015-07-22 | 2020-06-23 | 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 |
-
2021
- 2021-04-29 GB GB2106115.5A patent/GB2606703A/en not_active Withdrawn
- 2021-06-22 GB GB2108931.3A patent/GB2606415B/en active Active
-
2022
- 2022-04-19 WO PCT/GB2022/050976 patent/WO2022229594A1/en active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1980002304A1 (en) * | 1979-04-17 | 1980-10-30 | Acoustics Co Ind Inc | Packless silencer |
US5493080A (en) * | 1993-03-05 | 1996-02-20 | Ab Volvo | External arrangement for damping sounds in a pipe system |
US5930080A (en) * | 1996-01-03 | 1999-07-27 | International Business Machine Corporation | Transducer suspension system |
US20050276684A1 (en) * | 2004-06-09 | 2005-12-15 | Yu-Nien Huang | Centrifugal fan with resonant silencer |
EP2328141A2 (en) * | 2009-11-30 | 2011-06-01 | Yamaha Corporation | Acoustic resonator and sound chamber |
GB2502106A (en) * | 2012-05-16 | 2013-11-20 | Dyson Technology Ltd | Bladeless fan |
GB2502104A (en) * | 2012-05-16 | 2013-11-20 | Dyson Technology Ltd | Bladeless fan |
GB2532557A (en) * | 2012-05-16 | 2016-05-25 | Dyson Technology Ltd | A fan |
Also Published As
Publication number | Publication date |
---|---|
WO2022229594A1 (en) | 2022-11-03 |
GB202106115D0 (en) | 2021-06-16 |
GB2606415A (en) | 2022-11-09 |
GB202108931D0 (en) | 2021-08-04 |
GB2606703A (en) | 2022-11-23 |
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