WO2008099854A1 - Impeller for fan - Google Patents

Impeller for fan Download PDF

Info

Publication number
WO2008099854A1
WO2008099854A1 PCT/JP2008/052358 JP2008052358W WO2008099854A1 WO 2008099854 A1 WO2008099854 A1 WO 2008099854A1 JP 2008052358 W JP2008052358 W JP 2008052358W WO 2008099854 A1 WO2008099854 A1 WO 2008099854A1
Authority
WO
WIPO (PCT)
Prior art keywords
blade
impeller
chord
fan
ridge
Prior art date
Application number
PCT/JP2008/052358
Other languages
French (fr)
Japanese (ja)
Inventor
Akira Komatsu
Tooru Iwata
Original Assignee
Daikin Industries, Ltd.
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
Priority claimed from JP2008028102A external-priority patent/JP5515222B2/en
Application filed by Daikin Industries, Ltd. filed Critical Daikin Industries, Ltd.
Publication of WO2008099854A1 publication Critical patent/WO2008099854A1/en

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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • 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
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

An impeller for a fan has multiple blades. On the surface of each blade are formed ridges or grooves having irregular shapes and extending substantially along the direction of the chord of the blade. Adjacent ridges of each blade preferably have different heights or different widths. Adjacent grooves of each blade preferably have different depths or different widths. Also, the width of each ridge or each groove preferably varies in the direction of the chord of the respective blade. The height of each ridge or the depth of each groove also preferably varies in the direction of the chord of the respective blade. In the impeller, separation of airflow on the blades is more effectively suppressed.
PCT/JP2008/052358 2007-02-13 2008-02-13 Impeller for fan WO2008099854A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007031541 2007-02-13
JP2007-031541 2007-02-13
JP2008028102A JP5515222B2 (en) 2007-02-13 2008-02-07 Blower impeller
JP2008-028102 2008-02-07

Publications (1)

Publication Number Publication Date
WO2008099854A1 true WO2008099854A1 (en) 2008-08-21

Family

ID=39690081

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/052358 WO2008099854A1 (en) 2007-02-13 2008-02-13 Impeller for fan

Country Status (1)

Country Link
WO (1) WO2008099854A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101749270B (en) * 2010-01-21 2013-05-22 东莞市金鑫智能机械设备有限公司 Impeller of centrifugal fan
TWI414681B (en) * 2010-01-20 2013-11-11 Sunonwealth Electr Mach Ind Co Impeller
CN104251231A (en) * 2013-06-28 2014-12-31 苏州宝时得电动工具有限公司 Centrifugal impeller and blowing and inducing device comprising same
WO2021169219A1 (en) * 2020-02-26 2021-09-02 中山宜必思科技有限公司 Fan wheel and fan using fan wheel

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03294699A (en) * 1990-04-12 1991-12-25 Matsushita Electric Ind Co Ltd Impeller of blower
JPH08247093A (en) * 1995-03-06 1996-09-24 Takasago Thermal Eng Co Ltd Fan blade of centrifugal blower
JP2003106295A (en) * 2001-10-02 2003-04-09 Kioritz Corp Axial flow fan for speed sprayer
JP2003254294A (en) * 2002-03-01 2003-09-10 Nippon Densan Corp Axial fan motor
JP2003278696A (en) * 2002-03-26 2003-10-02 Fuji Electric Co Ltd Propeller fan
JP2006002691A (en) * 2004-06-18 2006-01-05 Calsonic Kansei Corp Blower

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03294699A (en) * 1990-04-12 1991-12-25 Matsushita Electric Ind Co Ltd Impeller of blower
JPH08247093A (en) * 1995-03-06 1996-09-24 Takasago Thermal Eng Co Ltd Fan blade of centrifugal blower
JP2003106295A (en) * 2001-10-02 2003-04-09 Kioritz Corp Axial flow fan for speed sprayer
JP2003254294A (en) * 2002-03-01 2003-09-10 Nippon Densan Corp Axial fan motor
JP2003278696A (en) * 2002-03-26 2003-10-02 Fuji Electric Co Ltd Propeller fan
JP2006002691A (en) * 2004-06-18 2006-01-05 Calsonic Kansei Corp Blower

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI414681B (en) * 2010-01-20 2013-11-11 Sunonwealth Electr Mach Ind Co Impeller
CN101749270B (en) * 2010-01-21 2013-05-22 东莞市金鑫智能机械设备有限公司 Impeller of centrifugal fan
CN104251231A (en) * 2013-06-28 2014-12-31 苏州宝时得电动工具有限公司 Centrifugal impeller and blowing and inducing device comprising same
WO2021169219A1 (en) * 2020-02-26 2021-09-02 中山宜必思科技有限公司 Fan wheel and fan using fan wheel

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