EP0342484A2 - Sehr geräuschsarmer, motorangetriebener Fliehkraftlüfter - Google Patents

Sehr geräuschsarmer, motorangetriebener Fliehkraftlüfter Download PDF

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Publication number
EP0342484A2
EP0342484A2 EP89108330A EP89108330A EP0342484A2 EP 0342484 A2 EP0342484 A2 EP 0342484A2 EP 89108330 A EP89108330 A EP 89108330A EP 89108330 A EP89108330 A EP 89108330A EP 0342484 A2 EP0342484 A2 EP 0342484A2
Authority
EP
European Patent Office
Prior art keywords
volute
motor driven
centrifugal fan
driven centrifugal
roughness
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.)
Withdrawn
Application number
EP89108330A
Other languages
English (en)
French (fr)
Other versions
EP0342484A3 (de
Inventor
Valerio Giordano Riello
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.)
Riello Condizionatori SpA
Original Assignee
Riello Condizionatori SpA
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 Riello Condizionatori SpA filed Critical Riello Condizionatori SpA
Publication of EP0342484A2 publication Critical patent/EP0342484A2/de
Publication of EP0342484A3 publication Critical patent/EP0342484A3/de
Withdrawn legal-status Critical Current

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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
    • F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence

Definitions

  • the present invention generally relates to centrifugal fans and more particularly to a motor driven centrifugal fan having high noiseles­sness features.
  • the inner surface of the volute sidewalls are roughened.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP19890108330 1988-05-16 1989-05-09 Sehr geräuschsarmer, motorangetriebener Fliehkraftlüfter Withdrawn EP0342484A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT20595/88A IT1217607B (it) 1988-05-16 1988-05-16 Motoventilatore centrifugo particolarmente silvenzioso
IT2059588 1988-05-16

Publications (2)

Publication Number Publication Date
EP0342484A2 true EP0342484A2 (de) 1989-11-23
EP0342484A3 EP0342484A3 (de) 1990-10-03

Family

ID=11169315

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890108330 Withdrawn EP0342484A3 (de) 1988-05-16 1989-05-09 Sehr geräuschsarmer, motorangetriebener Fliehkraftlüfter

Country Status (2)

Country Link
EP (1) EP0342484A3 (de)
IT (1) IT1217607B (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1378668A1 (de) * 2002-07-02 2004-01-07 Comefri S.p.A. Antirausch- und Antiwirbelstabilisator
DE102008027845A1 (de) * 2008-06-11 2009-12-17 Behr Gmbh & Co. Kg Kraftfahrzeugklimaanlage
US20150118054A1 (en) * 2013-10-31 2015-04-30 MAHLE BEHR GmbH & Co., KG Radial blower
CN104675752A (zh) * 2015-03-16 2015-06-03 中国机械工业集团有限公司 一种采用颗粒阻尼减振的离心风机蜗壳
CN105115060A (zh) * 2015-09-29 2015-12-02 北京卫家环境技术有限公司 一种空气净化器
WO2017041727A1 (zh) * 2015-09-11 2017-03-16 珠海格力电器股份有限公司 一种空调、鼓形蜗壳风道系统及其风道蜗壳
CN107940585A (zh) * 2017-12-26 2018-04-20 海信（广东）空调有限公司 风道底板结构、风道装置及空调室内机
CN111089070A (zh) * 2019-08-14 2020-05-01 锐奇控股股份有限公司 一种高风速鼓风机

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE600692C (de) *
DE2203450A1 (de) * 1972-01-26 1973-08-02 Christ & Co O Einrichtung an geblaeseluftkanaelen
GB1522558A (en) * 1976-04-05 1978-08-23 Rolls Royce Duct linings
GB2188101B (en) * 1986-03-22 1990-12-05 Usui Kokusai Sangyo Kk Fan blades

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1378668A1 (de) * 2002-07-02 2004-01-07 Comefri S.p.A. Antirausch- und Antiwirbelstabilisator
US6935835B2 (en) 2002-07-02 2005-08-30 Comefri S.P.A. Anti-noise and anti-vortex stabilizer
CN100416110C (zh) * 2002-07-02 2008-09-03 科梅弗里股份公司 防噪声和防涡流的稳定装置
DE102008027845A1 (de) * 2008-06-11 2009-12-17 Behr Gmbh & Co. Kg Kraftfahrzeugklimaanlage
US20150118054A1 (en) * 2013-10-31 2015-04-30 MAHLE BEHR GmbH & Co., KG Radial blower
CN104675752A (zh) * 2015-03-16 2015-06-03 中国机械工业集团有限公司 一种采用颗粒阻尼减振的离心风机蜗壳
WO2017041727A1 (zh) * 2015-09-11 2017-03-16 珠海格力电器股份有限公司 一种空调、鼓形蜗壳风道系统及其风道蜗壳
CN105115060A (zh) * 2015-09-29 2015-12-02 北京卫家环境技术有限公司 一种空气净化器
CN107940585A (zh) * 2017-12-26 2018-04-20 海信（广东）空调有限公司 风道底板结构、风道装置及空调室内机
CN111089070A (zh) * 2019-08-14 2020-05-01 锐奇控股股份有限公司 一种高风速鼓风机

Also Published As

Publication number Publication date
IT8820595A0 (it) 1988-05-16
EP0342484A3 (de) 1990-10-03
IT1217607B (it) 1990-03-30

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