GB1554286A - Acoustic treatment for fans - Google Patents

Acoustic treatment for fans

Info

Publication number
GB1554286A
GB1554286A GB25129/76A GB2512976A GB1554286A GB 1554286 A GB1554286 A GB 1554286A GB 25129/76 A GB25129/76 A GB 25129/76A GB 2512976 A GB2512976 A GB 2512976A GB 1554286 A GB1554286 A GB 1554286A
Authority
GB
United Kingdom
Prior art keywords
fans
acoustic treatment
acoustic
treatment
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
GB25129/76A
Other languages
English (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.)
CHALLIS L
Original Assignee
CHALLIS L
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 CHALLIS L filed Critical CHALLIS L
Publication of GB1554286A publication Critical patent/GB1554286A/en
Expired legal-status Critical Current

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
    • F04D29/40—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
    • F04D29/424—Double entry 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
    • F04D29/664—Sound attenuation by means of sound absorbing material
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB25129/76A 1975-07-01 1976-06-17 Acoustic treatment for fans Expired GB1554286A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU219175 1975-07-01
AU279075 1975-08-13

Publications (1)

Publication Number Publication Date
GB1554286A true GB1554286A (en) 1979-10-17

Family

ID=25609502

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25129/76A Expired GB1554286A (en) 1975-07-01 1976-06-17 Acoustic treatment for fans

Country Status (5)

Country Link
US (2) US4174020A (enExample)
JP (1) JPS526109A (enExample)
DE (1) DE2628511C2 (enExample)
FR (1) FR2316458A1 (enExample)
GB (1) GB1554286A (enExample)

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DE3209617C2 (de) * 1982-03-17 1985-10-10 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Geräuscharme Turboarbeitsmaschine
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US4795319A (en) * 1986-11-17 1989-01-03 Popovich John M Quiet hair dryer
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US4842097A (en) * 1987-06-16 1989-06-27 Woodward Bruce Sound absorbing structure
US4821841A (en) * 1987-06-16 1989-04-18 Bruce Woodward Sound absorbing structures
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DE4432567A1 (de) * 1994-09-13 1996-03-14 Bosch Siemens Hausgeraete Gehäuse für ein Gebläse in einem Haushaltgerät, insbesondere in einem Haushalt-Wäschetrockner
DE4443176C1 (de) * 1994-12-05 1996-05-02 Gaggenau Werke Geräuschreduzierte Dunstabzugshaube
NL1008137C2 (nl) * 1998-01-27 1999-08-02 Zwaan Adrianus J Mechanische, op of in een muur te bevestigen geluiddempende ventilatie-unit.
JPH11210109A (ja) * 1998-01-28 1999-08-03 Nikon Corp 空調装置、隔壁及び露光装置
US6210109B1 (en) 1998-12-18 2001-04-03 Echo Incorporated Portable fluid blower
DE10102040A1 (de) * 2001-01-18 2002-07-25 Mahle Filtersysteme Gmbh Schalldämpfer
DE10216306B4 (de) * 2002-04-14 2008-06-12 Sgl Carbon Ag Verfahren zur Herstellung einer Kontaktplatte für eine elektrochemische Zelle sowie deren Verwendungen
RU2225539C2 (ru) * 2002-06-03 2004-03-10 Открытое акционерное общество "Авиадвигатель" Компрессор газотурбинного двигателя
FR2843305B1 (fr) * 2002-08-12 2004-10-22 Airtechnologies Sa Dispositif a ventilation centrifuge pour assister un patient dans sa fonction respiratoire, comprenant un element souple d'interposition entre les organes dynamiques et fixes du dispositif
EP1431679A3 (en) * 2002-12-16 2004-11-03 Luis Capdevila, S.A. Ventilation box
US7137775B2 (en) 2003-03-20 2006-11-21 Huntair Inc. Fan array fan section in air-handling systems
US7597534B2 (en) 2003-03-20 2009-10-06 Huntair, Inc. Fan array fan section in air-handling systems
US11255332B2 (en) 2003-03-20 2022-02-22 Nortek Air Solutions, Llc Modular fan housing with multiple modular units having sound attenuation for a fan array for an air-handling system
RU2263825C2 (ru) * 2004-02-02 2005-11-10 Открытое акционерное общество "Авиадвигатель" Компрессор газотурбинного двигателя
US7314114B2 (en) * 2004-02-11 2008-01-01 Acoustics First Corporation Flat panel diffuser
US7033137B2 (en) 2004-03-19 2006-04-25 Ametek, Inc. Vortex blower having helmholtz resonators and a baffle assembly
RU2269679C1 (ru) * 2004-07-01 2006-02-10 Открытое акционерное общество "Научно-производственное объединение "Сатурн" (ОАО "НПО "Сатурн") Лопаточный венец осевого компрессора
RU2269680C1 (ru) * 2004-07-01 2006-02-10 Открытое акционерное общество "Научно-производственное объединение "Сатурн" (ОАО "НПО "Сатурн") Ступень осевого компрессора
US20060185931A1 (en) * 2005-02-04 2006-08-24 Kawar Maher S Acoustic noise reduction apparatus for personal computers and electronics
RU2287093C1 (ru) * 2005-05-19 2006-11-10 Открытое акционерное общество Авиамоторный научно-технический комплекс "Союз" Осевой компрессор газотурбинного двигателя
KR100619790B1 (ko) * 2005-06-01 2006-09-06 엘지전자 주식회사 송풍용 원심팬의 유로 최적화 구조
KR100619789B1 (ko) * 2005-06-01 2006-09-06 엘지전자 주식회사 송풍용 원심팬
DE102006029960A1 (de) * 2006-06-29 2008-01-03 BSH Bosch und Siemens Hausgeräte GmbH Trockner mit verringerter Geräuschentwicklung, hierfür geeignetes Gebläse und Läuferrad sowie Verfahren zur Herstellung des Läuferrades
JP4215790B2 (ja) * 2006-08-29 2009-01-28 Ｎｅｃディスプレイソリューションズ株式会社 消音装置、電子機器および消音特性の制御方法
US8780550B2 (en) * 2006-09-26 2014-07-15 Hewlett-Packard Development Company, L.P. Dampening acoustic vibrations within an electronic system
ITPD20060431A1 (it) * 2006-11-20 2008-05-21 Ln 2 Srl Collettore a chiocciola, particolarmente per ventilatori da impiegarsi in cappe aspiranti
ITPD20060446A1 (it) * 2006-12-06 2008-06-07 Ln 2 Srl Socio Unico Collettore a chiocciola, particolarmente per ventilatori da impiegarsi in cappe aspiranti
FR2911923B1 (fr) * 2007-01-25 2011-07-08 Snecma Redresseur acoustique pour carter de soufflante de turboreacteur
ITPD20070075A1 (it) * 2007-03-06 2008-09-07 Ln 2 S R L Collettore a chiocciola, particolarmente per ventilatori da impiegarsi in cappe aspiranti
US20080236638A1 (en) * 2007-03-30 2008-10-02 Electrolux Home Products, Inc. Dishwasher pump apparatus with a sound absorbing layer
JP5303877B2 (ja) * 2007-07-17 2013-10-02 パナソニック株式会社 遠心送風機
US7578369B2 (en) * 2007-09-25 2009-08-25 Hamilton Sundstrand Corporation Mixed-flow exhaust silencer assembly
US20090173368A1 (en) * 2008-01-09 2009-07-09 Electrolux Home Products, Inc. Drain pump assembly for a dishwasher and associated device and method
JP2009287548A (ja) * 2008-04-30 2009-12-10 Yamaha Motor Co Ltd 鞍乗型車両用の排気装置および鞍乗型車両
US20100258377A1 (en) * 2009-04-13 2010-10-14 International Business Machines Corporation Acoustic cooling muffler for computing systems
IT1397593B1 (it) * 2009-12-21 2013-01-16 Rimor S R L Cabina insonorizzante per un ventilatore centrifugo.
US8069947B2 (en) * 2010-04-21 2011-12-06 The United States Of America As Represented By The Secretary, Department Of Health And Human Services Sound attenuation canopy
US8151931B2 (en) * 2010-06-18 2012-04-10 Lennox Industries Inc. Acoustic noise control in heating or cooling systems
US8556027B2 (en) 2011-06-28 2013-10-15 United Technologies Corporation Eductor exhaust silencer assembly with bypass gasflow
US8776394B2 (en) * 2011-10-04 2014-07-15 Whirlpool Corporation Blower for a laundry treating appliance
US9835176B2 (en) 2013-04-05 2017-12-05 Acoustiflo Llc Fan inlet air handling apparatus and methods
DE102014201058A1 (de) * 2014-01-22 2015-07-23 Robert Bosch Gmbh Kühlmodul
DE102014206114A1 (de) * 2014-04-01 2015-10-01 Mahle International Gmbh Gehäuse eines Radialgebläses
CN104088819B (zh) * 2014-06-10 2017-01-25 宁波升鸿机械设备有限公司 一种高压鼓风机的消音装置
RU2651910C2 (ru) * 2016-01-29 2018-04-24 Олег Савельевич Кочетов Способ обеспечения акустически комфортного помещения
US10865798B2 (en) * 2016-05-30 2020-12-15 Zhongshan Broad-Ocean Motor Co., Ltd. Fan coil unit
CN108071601A (zh) * 2016-11-17 2018-05-25 英业达科技有限公司 离心式风扇模组
US10415601B2 (en) * 2017-07-07 2019-09-17 Denso International America, Inc. Blower noise suppressor
DE102017217512A1 (de) 2017-09-29 2019-04-04 Mahle International Gmbh Radialgebläse
CN207920914U (zh) * 2018-01-25 2018-09-28 台达电子工业股份有限公司 风扇
EP3961046B1 (en) * 2019-04-24 2025-10-01 FUJIFILM Corporation Fan muffling system
IT201900010446A1 (it) * 2019-06-28 2020-12-28 Phononic Vibes S R L Ventilatore comprendente un elemento di attenuazione acustica
DE102020201417A1 (de) * 2020-02-05 2021-08-05 kopter germany GmbH Rotorsystem für ein Fluggerät
CN112145463B (zh) * 2020-09-24 2022-04-01 江苏徐工工程机械研究院有限公司 风机组件、风冷系统和电传动工程机械
US12345278B2 (en) 2023-06-02 2025-07-01 The Toro Company Debris blower with sound attenuation resonator

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Also Published As

Publication number Publication date
DE2628511C2 (de) 1986-11-20
FR2316458B1 (enExample) 1982-03-19
FR2316458A1 (fr) 1977-01-28
US4279325A (en) 1981-07-21
US4174020A (en) 1979-11-13
DE2628511A1 (de) 1977-01-20
JPS526109A (en) 1977-01-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee