EP0342484A3 - Ventilateur centrifuge très silencieux entraíné par un moteur - Google Patents

Ventilateur centrifuge très silencieux entraíné par un moteur 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Withdrawn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)
Other versions
EP0342484A2 (fr
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/fr
Publication of EP0342484A3 publication Critical patent/EP0342484A3/fr
Withdrawn legal-status Critical Current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 Ventilateur centrifuge très silencieux entraíné par un moteur Withdrawn EP0342484A3 (fr)

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 (fr) 1989-11-23
EP0342484A3 true EP0342484A3 (fr) 1990-10-03

Family

ID=11169315

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890108330 Withdrawn EP0342484A3 (fr) 1988-05-16 1989-05-09 Ventilateur centrifuge très silencieux entraíné par un moteur

Country Status (2)

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

Families Citing this family (8)

* 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
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE600692C (fr) *
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 (fr) *
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
IT1217607B (it) 1990-03-30
IT8820595A0 (it) 1988-05-16
EP0342484A2 (fr) 1989-11-23

Similar Documents

Publication Publication Date Title
FR2671834B1 (fr) Carter en forme de volute pour un ventilateur centrifuge, une soufflante ou analogue.
FI872967A (fi) Pump och foerfarande foer separering av gas med pumpen ur mediet som skall pumpas.
PL352554A1 (en) Sulfonamide or sulfamide substituted amidazoquinolines
DE59911017D1 (de) Lagerlose blutpumpe
FR2603953A1 (fr) Pale profilee d'helice et son application aux motoventilateurs
EP0342484A3 (fr) Ventilateur centrifuge très silencieux entraíné par un moteur
FR2553287B1 (fr) Compositions a base de mucopolysaccharides ou d'oligosaccharides, notamment a base de fractions ou fragments d'heparine, appropriees au traitement de desordres de la proliferation cellulaire
IT8985615A0 (it) Cassa statorica, particolarmente per pompa radiale centrifuga, nonche' metodo per la sua realizzazione.
DE68919541D1 (de) Tauchpumpe, Unterteile davon und Verfahren zur Herstellung der Unterteile.
DE69012244D1 (de) Gleichstrommotorgetriebener Zentrifugalventilator.
IT8621419A0 (it) Pompa centrifuga particolarmente adatta per il pompaggio di fluidi ad elevato contenuto di gas.
IE40419L (en) Preventing caviation/erosion in propellor ducts
DE59600588D1 (de) Faserabweisende Wandflächengestaltung
CA2076399A1 (fr) Roue a ailettes pour pompe centrifuge
KR870011389A (ko) 고속축류 팬용 블레이드
AU8174982A (en) Two stage centrifugal pump mounted on double-ended motor
SE9002898A (fr)
AU3775989A (en) Impeller for an axial flow fan
EP0353611A3 (en) Centrifugal pump of the ceramic construction type
EP0406788A3 (en) Open bladed impeller, particularly for centrifugal pump
USD340515S (en) Ceiling fan motor housing
USD263498S (en) Ceiling fan blade connector
JPS5219309A (en) Blower
SE9404143L (sv) Skrapa för avlägsnande av färg eller rost
EP0272778A3 (fr) L'emploi médicinal des éthers cyclopentyliques

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): BE DE ES FR

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): BE DE ES FR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19910404