EP1933039A4 - Centrifugal fan and air conditioner using the same - Google Patents

Centrifugal fan and air conditioner using the same

Info

Publication number
EP1933039A4
EP1933039A4 EP06810500.6A EP06810500A EP1933039A4 EP 1933039 A4 EP1933039 A4 EP 1933039A4 EP 06810500 A EP06810500 A EP 06810500A EP 1933039 A4 EP1933039 A4 EP 1933039A4
Authority
EP
European Patent Office
Prior art keywords
same
air conditioner
centrifugal fan
centrifugal
fan
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Withdrawn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
EP06810500.6A
Other languages
German (de)
French (fr)
Other versions
EP1933039A1 (en
Inventor
Zhiming Zheng
Tadashi Ohnishi
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.)
Daikin Industries Ltd
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
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP1933039A1 publication Critical patent/EP1933039A1/en
Publication of EP1933039A4 publication Critical patent/EP1933039A4/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Withdrawn legal-status Critical Current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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/162—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of a centrifugal flow wheel
    • 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
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • 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
    • 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
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0022—Centrifugal or radial fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
EP06810500.6A 2005-09-30 2006-09-25 Centrifugal fan and air conditioner using the same Withdrawn EP1933039A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005289208A JP4017003B2 (en) 2005-09-30 2005-09-30 Centrifugal fan and air conditioner using the same
PCT/JP2006/318932 WO2007040073A1 (en) 2005-09-30 2006-09-25 Centrifugal fan and air conditioner using the same

Publications (2)

Publication Number Publication Date
EP1933039A1 EP1933039A1 (en) 2008-06-18
EP1933039A4 true EP1933039A4 (en) 2014-05-07

Family

ID=37906117

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06810500.6A Withdrawn EP1933039A4 (en) 2005-09-30 2006-09-25 Centrifugal fan and air conditioner using the same

Country Status (7)

Country Link
US (1) US20090255654A1 (en)
EP (1) EP1933039A4 (en)
JP (1) JP4017003B2 (en)
KR (1) KR100934556B1 (en)
CN (1) CN100559032C (en)
AU (1) AU2006298249B2 (en)
WO (1) WO2007040073A1 (en)

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US8347952B2 (en) * 2006-11-30 2013-01-08 Apple Inc. Enhanced vent for outlet for a cooling system
DE202009018770U1 (en) 2009-02-12 2013-03-07 Ebm-Papst Mulfingen Gmbh & Co. Kg Radial or diagonal fan wheel
ES2404073T3 (en) * 2009-02-12 2013-05-23 Ebm-Papst Mulfingen Gmbh & Co. Kg Radial or diagonal fan wheel
DE202010018509U1 (en) 2010-02-26 2017-03-15 Ebm-Papst Mulfingen Gmbh & Co. Kg Radial or diagonal fan wheel
JP5293684B2 (en) * 2010-06-03 2013-09-18 三菱電機株式会社 Air conditioner indoor unit
DE102010023017A1 (en) * 2010-06-08 2011-12-08 Georg Emanuel Koppenwallner Humpback whale blower, method for locally improving the flow in turbomachinery and vehicles
ITTO20110362A1 (en) * 2011-04-26 2012-10-27 Denso Corp FAN ASSEMBLY FOR VEHICLES
WO2014125710A1 (en) * 2013-02-12 2014-08-21 三菱電機株式会社 Outdoor cooling unit for air conditioning device for vehicle
US9618010B2 (en) 2013-04-22 2017-04-11 Lennox Industries Inc. Fan systems
CN103267319B (en) * 2013-06-15 2015-12-30 邓明义 A kind of concealed air conditioner room unit
JP6203294B2 (en) * 2014-01-27 2017-09-27 三菱電機株式会社 Centrifugal fan and air conditioner
CN106457964B (en) * 2014-06-11 2019-04-02 松下知识产权经营株式会社 Thermoregulation unit, thermoregulation system and vehicle with thermoregulation unit
JP6369684B2 (en) 2014-10-10 2018-08-08 株式会社富士通ゼネラル Embedded ceiling air conditioner
KR101720491B1 (en) * 2015-01-22 2017-03-28 엘지전자 주식회사 Centrifugal fan
CN104896588B (en) * 2015-05-26 2018-03-30 广东美的制冷设备有限公司 air conditioner indoor unit
CN107710495B (en) * 2015-07-24 2020-12-01 松下知识产权经营株式会社 Thermostat unit, thermostat system, vehicle
US10989440B2 (en) * 2016-12-19 2021-04-27 Mitsubishi Electric Corporation Air-conditioning apparatus
JP2018115585A (en) * 2017-01-17 2018-07-26 日本電産コパル電子株式会社 Air blower
CN107956746A (en) * 2017-10-20 2018-04-24 珠海格力电器股份有限公司 Noise reduction current collector for centrifugal fan, centrifugal fan and air conditioning system
EP3726150B1 (en) * 2017-12-13 2023-09-13 Mitsubishi Electric Corporation Heat exchange unit and air conditioning device having same mounted therein
CN110454418B (en) * 2018-05-07 2024-12-13 珠海格力电器股份有限公司 Axial flow fan and air conditioner having the same
JP7358280B2 (en) * 2020-03-23 2023-10-10 三菱重工業株式会社 Ducted fans and aircraft
TWI724872B (en) * 2020-04-17 2021-04-11 建準電機工業股份有限公司 Centrifugal impeller and centrifugal fan including the same
CN111845995A (en) * 2020-08-28 2020-10-30 广东省智能制造研究所 A low noise negative pressure wall climbing robot
EP4259979A1 (en) * 2020-12-10 2023-10-18 Innova S.r.l. Improved fan coil unit
CN112628199B (en) * 2021-01-07 2022-05-24 泛仕达机电股份有限公司 Centrifugal wind wheel capable of reducing resistance and noise
CN113915162B (en) * 2021-11-05 2024-04-09 泛仕达机电股份有限公司 Back centrifugal fan efficiency improving wheel disc and back centrifugal fan
TWI907175B (en) * 2024-11-27 2025-12-01 宏碁股份有限公司 Centrifugal heat dissipation fan

Citations (3)

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Publication number Priority date Publication date Assignee Title
JPS5186666U (en) * 1974-12-30 1976-07-12
JPH05332293A (en) * 1992-06-03 1993-12-14 Nippondenso Co Ltd Multi-blade blower
US20050191174A1 (en) * 2004-02-27 2005-09-01 Ling-Zhong Zeng Centrifugal fan

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US1879803A (en) * 1930-01-27 1932-09-27 Andrew G Johnson Rotary pump
US2207317A (en) * 1938-08-05 1940-07-09 Glenn M Freeman Centrifugal pump
US2349731A (en) * 1942-03-20 1944-05-23 Ingersoll Rand Co Centrifugal pump
US3224078A (en) * 1963-09-30 1965-12-21 Ruth D Mayne Method of making a turbine type blower wheel
JPS504606A (en) * 1973-05-18 1975-01-18
JPS5332406A (en) * 1976-09-08 1978-03-27 Hitachi Ltd Vane wheel
JPS56118593A (en) * 1980-02-25 1981-09-17 Hitachi Ltd Blower
US4521154A (en) * 1982-01-13 1985-06-04 Corbett Reg D Centrifugal fans
GB2143285B (en) * 1983-07-14 1987-11-11 Warman Int Ltd Centrifugal impeller
JPS61145899U (en) * 1985-03-01 1986-09-09
DE3627778A1 (en) * 1986-08-16 1988-02-18 Bbc Brown Boveri & Cie CONTACT-FREE CENTRIFUGAL SEALING DEVICE FOR A ROTATING MACHINE PART
DE3768495D1 (en) * 1986-10-07 1991-04-11 Warman Int Ltd TURBINE FOR CENTRIFUGAL PUMPS.
SU1528035A1 (en) * 1987-02-18 1994-10-30 А.И. Золотарь Centrifugal pump
JPH03100254A (en) * 1989-09-11 1991-04-25 Sekisui Chem Co Ltd eaves gutter
JP2809867B2 (en) * 1990-11-14 1998-10-15 松下電器産業株式会社 Electric blower
AUPN143795A0 (en) * 1995-03-01 1995-03-23 Sykes Pumps Australia Pty Limited Centrifugal pump
US5855469A (en) * 1997-07-17 1999-01-05 Iowa State University Research Foundation, Inc. End seal design for blower
JP2001182692A (en) * 1999-12-28 2001-07-06 Osaka Gas Co Ltd Centrifugal air blower
JP2004060622A (en) * 2002-07-31 2004-02-26 Daikin Ind Ltd Centrifugal blower and air conditioner using sirocco centrifugal fan rotor
US7244099B2 (en) * 2003-05-01 2007-07-17 Daikin Industries, Ltd. Multi-vane centrifugal fan
JP3698150B2 (en) * 2003-05-09 2005-09-21 ダイキン工業株式会社 Centrifugal blower
AU2003903024A0 (en) * 2003-06-16 2003-07-03 Weir Warman Ltd Improved pump impeller
JP3100254U (en) * 2003-09-04 2004-05-13 志合電脳股▼分▲有限公司 Blade structure of centrifugal swing-back radiator fan

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Publication number Priority date Publication date Assignee Title
JPS5186666U (en) * 1974-12-30 1976-07-12
JPH05332293A (en) * 1992-06-03 1993-12-14 Nippondenso Co Ltd Multi-blade blower
US20050191174A1 (en) * 2004-02-27 2005-09-01 Ling-Zhong Zeng Centrifugal fan

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007040073A1 *

Also Published As

Publication number Publication date
CN101253333A (en) 2008-08-27
US20090255654A1 (en) 2009-10-15
KR20080037722A (en) 2008-04-30
EP1933039A1 (en) 2008-06-18
KR100934556B1 (en) 2009-12-29
JP2007100548A (en) 2007-04-19
AU2006298249B2 (en) 2010-02-18
JP4017003B2 (en) 2007-12-05
CN100559032C (en) 2009-11-11
AU2006298249A1 (en) 2007-04-12
WO2007040073A1 (en) 2007-04-12

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Legal Events

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Effective date: 20140404

RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 29/16 20060101ALI20140331BHEP

Ipc: F24F 1/00 20110101ALI20140331BHEP

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Ipc: F04D 29/66 20060101ALI20140331BHEP

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Effective date: 20150130