EP0342484A3 - Very noiseless motor driven centrifugal fan - Google Patents

Very noiseless motor driven centrifugal fan Download PDF

Info

Publication number
EP0342484A3
EP0342484A3 EP19890108330 EP89108330A EP0342484A3 EP 0342484 A3 EP0342484 A3 EP 0342484A3 EP 19890108330 EP19890108330 EP 19890108330 EP 89108330 A EP89108330 A EP 89108330A EP 0342484 A3 EP0342484 A3 EP 0342484A3
Authority
EP
European Patent Office
Prior art keywords
motor driven
centrifugal fan
driven centrifugal
volute
noiseless motor
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Withdrawn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
EP19890108330
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0342484A2 (en
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/en
Publication of EP0342484A3 publication Critical patent/EP0342484A3/en
Withdrawn legal-status Critical Current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
    • F04D29/66—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

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 Very noiseless motor driven centrifugal fan Withdrawn EP0342484A3 (en)

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 EP0342484A2 (en) 1989-11-23
EP0342484A3 true EP0342484A3 (en) 1990-10-03

Family

ID=11169315

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890108330 Withdrawn EP0342484A3 (en) 1988-05-16 1989-05-09 Very noiseless motor driven centrifugal fan

Country Status (2)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20020145A1 (it) * 2002-07-02 2004-01-02 Comefri Spa Ripartitore antirumore e antivortice
DE102008027845A1 (de) * 2008-06-11 2009-12-17 Behr Gmbh & Co. Kg Kraftfahrzeugklimaanlage
DE102013222207B4 (de) * 2013-10-31 2022-03-03 Mahle International Gmbh Radialgebläse
CN104675752B (zh) * 2015-03-16 2017-04-12 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
CN105065332B (zh) * 2015-09-11 2018-11-30 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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE600692C (it) *
DE2203450A1 (de) * 1972-01-26 1973-08-02 Christ & Co O Einrichtung an geblaeseluftkanaelen
FR2347539A1 (fr) * 1976-04-05 1977-11-04 Rolls Royce Revetement acoustique pour conduit de soufflante canalisee de turboreacteur
FR2596108A1 (fr) * 1986-03-22 1987-09-25 Usui Kokusai Sangyo Kk Pales pour helice de ventilateur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE600692C (it) *
DE2203450A1 (de) * 1972-01-26 1973-08-02 Christ & Co O Einrichtung an geblaeseluftkanaelen
FR2347539A1 (fr) * 1976-04-05 1977-11-04 Rolls Royce Revetement acoustique pour conduit de soufflante canalisee de turboreacteur
FR2596108A1 (fr) * 1986-03-22 1987-09-25 Usui Kokusai Sangyo Kk Pales pour helice de ventilateur

Also Published As

Publication number Publication date
IT8820595A0 (it) 1988-05-16
IT1217607B (it) 1990-03-30
EP0342484A2 (en) 1989-11-23

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