DE2628511C2 - Einlaßschalldämpfer für Gebläse - Google Patents

Einlaßschalldämpfer für Gebläse

Info

Publication number
DE2628511C2
DE2628511C2 DE2628511A DE2628511A DE2628511C2 DE 2628511 C2 DE2628511 C2 DE 2628511C2 DE 2628511 A DE2628511 A DE 2628511A DE 2628511 A DE2628511 A DE 2628511A DE 2628511 C2 DE2628511 C2 DE 2628511C2
Authority
DE
Germany
Prior art keywords
sound
inlet
inlet opening
permeable
distance
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
DE2628511A
Other languages
German (de)
English (en)
Other versions
DE2628511A1 (de
Inventor
Louis A. Woollahra Neusüdwales Challis
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 DE2628511A1 publication Critical patent/DE2628511A1/de
Application granted granted Critical
Publication of DE2628511C2 publication Critical patent/DE2628511C2/de
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)
DE2628511A 1975-07-01 1976-06-25 Einlaßschalldämpfer für Gebläse Expired DE2628511C2 (de)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
DE2628511A1 DE2628511A1 (de) 1977-01-20
DE2628511C2 true DE2628511C2 (de) 1986-11-20

Family

ID=25609502

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2628511A Expired DE2628511C2 (de) 1975-07-01 1976-06-25 Einlaßschalldämpfer für Gebläse

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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US4596921A (en) * 1984-05-22 1986-06-24 Hersh Alan S Low noise hand-held hairdryer
DE3430106C2 (de) * 1984-08-16 1987-05-14 Rodenhurst Ltd., Douglas, Isle of Man Vorrichtung zur künstlichen Erzeugung von Fahrtwind
US4795319A (en) * 1986-11-17 1989-01-03 Popovich John M Quiet hair dryer
US4733750A (en) * 1987-02-11 1988-03-29 Kohler Co. Acoustic enclosure for marine engine generator set
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
KR930006876B1 (ko) * 1989-06-23 1993-07-24 가부시끼 가이샤 히다찌세이사꾸쇼 관류팬을 사용한 송풍장치 및 공기조화기
IT1256414B (it) * 1991-09-06 1995-12-05 Bosch Gmbh Robert Silenziatore per soffiante
US5321581A (en) * 1992-03-20 1994-06-14 Cray Research, Inc. Air distribution system and manifold for cooling electronic components
SE505194C2 (sv) * 1992-11-03 1997-07-14 Electrolux Ab Ventilationsanordning för kök
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
GB1554286A (en) 1979-10-17
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
8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8328 Change in the person/name/address of the agent

Free format text: DERZEIT KEIN VERTRETER BESTELLT

8339 Ceased/non-payment of the annual fee