JPS526109A - Means for reducing noise caused from centrifugal fans - Google Patents

Means for reducing noise caused from centrifugal fans

Info

Publication number
JPS526109A
JPS526109A JP51075374A JP7537476A JPS526109A JP S526109 A JPS526109 A JP S526109A JP 51075374 A JP51075374 A JP 51075374A JP 7537476 A JP7537476 A JP 7537476A JP S526109 A JPS526109 A JP S526109A
Authority
JP
Japan
Prior art keywords
noise caused
reducing noise
centrifugal fans
fans
centrifugal
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.)
Pending
Application number
JP51075374A
Other languages
English (en)
Japanese (ja)
Inventor
Ei Chiyarisu Ruisu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS526109A publication Critical patent/JPS526109A/ja
Pending 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)
JP51075374A 1975-07-01 1976-06-25 Means for reducing noise caused from centrifugal fans Pending JPS526109A (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
JPS526109A true JPS526109A (en) 1977-01-18

Family

ID=25609502

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51075374A Pending JPS526109A (en) 1975-07-01 1976-06-25 Means for reducing noise caused from centrifugal 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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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
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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
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RU2269680C1 (ru) * 2004-07-01 2006-02-10 Открытое акционерное общество "Научно-производственное объединение "Сатурн" (ОАО "НПО "Сатурн") Ступень осевого компрессора
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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
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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
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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
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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
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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
GB1554286A (en) 1979-10-17
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

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