EP2345814A3 - Cross-flow fan and air conditioner equipped therewith - Google Patents

Cross-flow fan and air conditioner equipped therewith Download PDF

Info

Publication number
EP2345814A3
EP2345814A3 EP11150299A EP11150299A EP2345814A3 EP 2345814 A3 EP2345814 A3 EP 2345814A3 EP 11150299 A EP11150299 A EP 11150299A EP 11150299 A EP11150299 A EP 11150299A EP 2345814 A3 EP2345814 A3 EP 2345814A3
Authority
EP
European Patent Office
Prior art keywords
cross
flow fan
air conditioner
equipped therewith
conditioner equipped
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.)
Granted
Application number
EP11150299A
Other languages
German (de)
French (fr)
Other versions
EP2345814B1 (en
EP2345814A2 (en
Inventor
Jeongtaek Park
Deok Huh
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP2345814A2 publication Critical patent/EP2345814A2/en
Publication of EP2345814A3 publication Critical patent/EP2345814A3/en
Application granted granted Critical
Publication of EP2345814B1 publication Critical patent/EP2345814B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/28Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F04D29/282Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
    • F04D29/283Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis rotors of the squirrel-cage type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/02Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
    • F04D17/04Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/28Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30Vanes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663Sound attenuation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0018Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0025Cross-flow or tangential fans

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)

Abstract

Provided are a cross-flow fan and an air conditioner including the same. A blade constituting the cross-flow fan may be changed in shape to reduce a turbulence intensity of a discharge part of the fan and noises of the fan.
EP11150299.3A 2010-01-13 2011-01-06 Cross-flow fan and air conditioner equipped therewith Active EP2345814B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100003044A KR101649379B1 (en) 2010-01-13 2010-01-13 Crossflow fan and air conditioner equipped therewith

Publications (3)

Publication Number Publication Date
EP2345814A2 EP2345814A2 (en) 2011-07-20
EP2345814A3 true EP2345814A3 (en) 2012-10-10
EP2345814B1 EP2345814B1 (en) 2015-04-08

Family

ID=43759340

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11150299.3A Active EP2345814B1 (en) 2010-01-13 2011-01-06 Cross-flow fan and air conditioner equipped therewith

Country Status (3)

Country Link
EP (1) EP2345814B1 (en)
KR (1) KR101649379B1 (en)
CN (1) CN102128172B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014080494A1 (en) 2012-11-22 2014-05-30 三菱電機株式会社 Air conditioner
WO2015063850A1 (en) * 2013-10-29 2015-05-07 三菱電機株式会社 Cross-flow fan and air conditioner
EP3064776B1 (en) * 2013-10-29 2020-03-25 Mitsubishi Electric Corporation Cross-flow fan and air conditioner
CN106321473B (en) * 2016-09-05 2019-02-05 青岛海尔空调器有限总公司 Cross flow fan for air conditioner

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0914182A (en) * 1995-06-30 1997-01-14 Daikin Ind Ltd Cross flow fan
JP2006002691A (en) * 2004-06-18 2006-01-05 Calsonic Kansei Corp Blower
JP2009133271A (en) * 2007-11-30 2009-06-18 Mitsubishi Electric Corp Cross-flow fan and air-conditioner

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61112797A (en) * 1984-11-05 1986-05-30 Matsushita Electric Ind Co Ltd Blower fan made of resin
JPH03210094A (en) * 1990-01-11 1991-09-13 Matsushita Electric Ind Co Ltd Cross flow fan
JPH1077989A (en) * 1996-09-02 1998-03-24 Toshiba Corp Cross flow fan
KR19990056525A (en) * 1997-12-29 1999-07-15 오상수 Blower unit
JP2002048085A (en) * 2000-07-28 2002-02-15 Mitsubishi Electric Corp Impeller for compound multiblade blower, compound multiblade blower and air conditioner
JP2005120877A (en) * 2003-10-15 2005-05-12 Haruo Yoshida Transverse flow blower and blade for the same
KR20050099352A (en) * 2004-04-09 2005-10-13 엘지전자 주식회사 Front suction/discharge type outdoor unit for air conditioner
JP4433093B2 (en) * 2008-05-09 2010-03-17 ダイキン工業株式会社 Cross flow fan and air conditioner equipped with the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0914182A (en) * 1995-06-30 1997-01-14 Daikin Ind Ltd Cross flow fan
JP2006002691A (en) * 2004-06-18 2006-01-05 Calsonic Kansei Corp Blower
JP2009133271A (en) * 2007-11-30 2009-06-18 Mitsubishi Electric Corp Cross-flow fan and air-conditioner

Also Published As

Publication number Publication date
EP2345814B1 (en) 2015-04-08
CN102128172B (en) 2013-06-26
KR20110083043A (en) 2011-07-20
KR101649379B1 (en) 2016-08-30
CN102128172A (en) 2011-07-20
EP2345814A2 (en) 2011-07-20

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