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WO2013021366A3 - Centrifugal fan with an anti-vortex fin for reducing vibrations and noise levels - Google Patents

Centrifugal fan with an anti-vortex fin for reducing vibrations and noise levels Download PDF

Info

Publication number
WO2013021366A3
WO2013021366A3 PCT/IB2012/054087 IB2012054087W WO2013021366A3 WO 2013021366 A3 WO2013021366 A3 WO 2013021366A3 IB 2012054087 W IB2012054087 W IB 2012054087W WO 2013021366 A3 WO2013021366 A3 WO 2013021366A3
Authority
WO
WIPO (PCT)
Prior art keywords
noise levels
centrifugal fan
reducing vibrations
vortex fin
vortex
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.)
Ceased
Application number
PCT/IB2012/054087
Other languages
French (fr)
Other versions
WO2013021366A2 (en
Inventor
Stefano Tiribuzi
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.)
Enel Ingegneria e Ricerca SpA
Original Assignee
Enel Ingegneria e Ricerca 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 Enel Ingegneria e Ricerca SpA filed Critical Enel Ingegneria e Ricerca SpA
Priority to EP12769490.9A priority Critical patent/EP2742244A2/en
Publication of WO2013021366A2 publication Critical patent/WO2013021366A2/en
Publication of WO2013021366A3 publication Critical patent/WO2013021366A3/en
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F04D29/444—Bladed diffusers
    • 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
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/52—Outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • External Artificial Organs (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

A double inlet centrifugal fan (1), in particular for the evacuation of combustion fumes in thermal power plants, producing less mechanical vibrations and lower noise levels, thanks to the presence of an anti-vortex fin (14) at the fan outlet section (4) extending on a lying plane parallel to the fluid flow direction (F).
PCT/IB2012/054087 2011-08-11 2012-08-10 Centrifugal fan with an anti-vortex fin for reducing vibrations and noise levels Ceased WO2013021366A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12769490.9A EP2742244A2 (en) 2011-08-11 2012-08-10 Centrifugal fan with an anti-vortex fin for reducing vibrations and noise levels

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000177A ITFI20110177A1 (en) 2011-08-11 2011-08-11 CENTRIFUGAL FAN WITH SEVENTY ANTI-ANTI-BLOOD FOR REDUCING VIBRATIONS AND NOISE
ITFI2011A000177 2011-08-11

Publications (2)

Publication Number Publication Date
WO2013021366A2 WO2013021366A2 (en) 2013-02-14
WO2013021366A3 true WO2013021366A3 (en) 2013-04-11

Family

ID=44653422

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2012/054087 Ceased WO2013021366A2 (en) 2011-08-11 2012-08-10 Centrifugal fan with an anti-vortex fin for reducing vibrations and noise levels

Country Status (3)

Country Link
EP (1) EP2742244A2 (en)
IT (1) ITFI20110177A1 (en)
WO (1) WO2013021366A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9836066B2 (en) 2014-07-16 2017-12-05 Caterpillar Inc. Vortex diffuser for rotating/stationary interfaces
CN106122101B (en) * 2016-08-09 2018-10-30 珠海格力电器股份有限公司 Centrifugal fan assembly and air conditioning device
WO2020015902A1 (en) * 2018-07-19 2020-01-23 Arcelik Anonim Sirketi A supplementary air blowing apparatus for radial fans and a radial fan
TWI771168B (en) 2021-08-27 2022-07-11 建準電機工業股份有限公司 Cooling fan
CN115788957B (en) * 2022-11-29 2023-05-30 广东顺威精密塑料股份有限公司 Volute with vortex generator and multi-wing centrifugal fan using same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR523957A (en) * 1920-02-19 1921-08-27 Paul Martinet Centrifugal pump with conical diffuser
US5399068A (en) * 1992-07-11 1995-03-21 Goldstar Co., Ltd. Blower scroll housing with structure to reduce noise and increase air flow
US5601400A (en) * 1994-09-16 1997-02-11 Nippondenso Co., Ltd. Centrifugal blower improved to reduce vibration and noise

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5749100A (en) * 1980-09-09 1982-03-20 Toshiba Corp Double suction type fan
JP2002005091A (en) * 2000-06-22 2002-01-09 Daikin Ind Ltd Multi-wing fan
ITVI20020145A1 (en) 2002-07-02 2004-01-02 Comefri Spa ANTI-NOISE AND ANTI-VORTE DIVIDER
EP2182220A1 (en) 2008-10-28 2010-05-05 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO Turbo machine and method to reduce vibration in turbo machines.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR523957A (en) * 1920-02-19 1921-08-27 Paul Martinet Centrifugal pump with conical diffuser
US5399068A (en) * 1992-07-11 1995-03-21 Goldstar Co., Ltd. Blower scroll housing with structure to reduce noise and increase air flow
US5601400A (en) * 1994-09-16 1997-02-11 Nippondenso Co., Ltd. Centrifugal blower improved to reduce vibration and noise

Also Published As

Publication number Publication date
EP2742244A2 (en) 2014-06-18
ITFI20110177A1 (en) 2013-02-12
WO2013021366A2 (en) 2013-02-14

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