EP2960525A4 - Propeller fan and air conditioner equipped with same - Google Patents

Propeller fan and air conditioner equipped with same

Info

Publication number
EP2960525A4
EP2960525A4 EP13875684.6A EP13875684A EP2960525A4 EP 2960525 A4 EP2960525 A4 EP 2960525A4 EP 13875684 A EP13875684 A EP 13875684A EP 2960525 A4 EP2960525 A4 EP 2960525A4
Authority
EP
European Patent Office
Prior art keywords
same
air conditioner
propeller fan
conditioner equipped
propeller
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
EP13875684.6A
Other languages
German (de)
French (fr)
Other versions
EP2960525A1 (en
EP2960525B1 (en
Inventor
Taku Iwase
Tetsushi Kishitani
Atsuhiko FUKASAWA
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.)
Hitachi Johnson Controls Air Conditioning Inc
Original Assignee
Hitachi Appliances 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 Hitachi Appliances Inc filed Critical Hitachi Appliances Inc
Publication of EP2960525A1 publication Critical patent/EP2960525A1/en
Publication of EP2960525A4 publication Critical patent/EP2960525A4/en
Application granted granted Critical
Publication of EP2960525B1 publication Critical patent/EP2960525B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/384—Blades characterised by form
    • F04D29/386—Skewed blades
    • 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
    • F24F1/0029—Axial fans
    • 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
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/384—Blades characterised by form
    • 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
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/545—Ducts
    • 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
    • F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or 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
    • F04D19/00—Axial-flow pumps
    • F04D19/002—Axial flow fans
    • 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
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • 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
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • 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
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/304—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the trailing edge of a rotor blade
    • 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
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved
    • F05D2250/713—Shape curved inflexed

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)
EP13875684.6A 2013-02-22 2013-02-22 Propeller fan and air conditioner equipped with same Active EP2960525B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/054451 WO2014128908A1 (en) 2013-02-22 2013-02-22 Propeller fan and air conditioner equipped with same

Publications (3)

Publication Number Publication Date
EP2960525A1 EP2960525A1 (en) 2015-12-30
EP2960525A4 true EP2960525A4 (en) 2016-10-12
EP2960525B1 EP2960525B1 (en) 2022-10-19

Family

ID=51390736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13875684.6A Active EP2960525B1 (en) 2013-02-22 2013-02-22 Propeller fan and air conditioner equipped with same

Country Status (5)

Country Link
US (1) US20160003487A1 (en)
EP (1) EP2960525B1 (en)
JP (1) JP6215296B2 (en)
CN (1) CN105008723B (en)
WO (1) WO2014128908A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017130273A1 (en) * 2016-01-25 2017-08-03 三菱電機株式会社 Outdoor machine and air conditioner provided with same
JP6849366B2 (en) 2016-09-29 2021-03-24 山洋電気株式会社 Reversible flow fan
JP2018115807A (en) * 2017-01-18 2018-07-26 日立ジョンソンコントロールズ空調株式会社 Outdoor unit for air conditioner
WO2019035153A1 (en) * 2017-08-14 2019-02-21 三菱電機株式会社 Impeller, fan, and air conditioning device
JP6988397B2 (en) 2017-11-16 2022-01-05 日本電産株式会社 Axial fan
US20200408225A1 (en) * 2018-02-02 2020-12-31 Mitsubishi Electric Corporation Axial blower
JPWO2022249270A1 (en) * 2021-05-25 2022-12-01

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004197694A (en) * 2002-12-20 2004-07-15 Daikin Ind Ltd Blower
EP1610068A1 (en) * 2003-03-31 2005-12-28 Toshiba Carrier Corporation Outdoor unit for air conditioner
JP2006152988A (en) * 2004-12-01 2006-06-15 Toshiba Kyaria Kk Axial flow fan and outdoor unit for air conditioner

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2212041A (en) * 1939-06-08 1940-08-20 Iig Electric Ventilating Compa Fan wheel
US2578806A (en) * 1949-06-04 1951-12-18 Johnson Lawrence Propeller
US4142844A (en) * 1977-05-31 1979-03-06 Allware Agencies Ltd. Fan blade assemblies for box fans
JPS6165096A (en) 1984-09-05 1986-04-03 Mitsubishi Electric Corp Axial flow blade
US5466120A (en) * 1993-03-30 1995-11-14 Nippondenso Co., Ltd. Blower with bent stays
US5730583A (en) * 1994-09-29 1998-03-24 Valeo Thermique Moteur Axial flow fan blade structure
US5616004A (en) * 1995-04-19 1997-04-01 Valeo Thermique Moteur Axial flow fan
JP2000274912A (en) * 1999-03-25 2000-10-06 Mitsubishi Electric Corp Ventilating device for refrigerator
EP1070849B1 (en) * 1999-07-22 2010-03-24 LG Electronics, Inc. Axial flow fan
JP2002257088A (en) * 2001-03-06 2002-09-11 Toshiba Kyaria Kk Axial flow fan
TWI256444B (en) * 2004-05-06 2006-06-11 Sunonwealth Electr Mach Ind Co Air outlet structure for an axial-flow fan
JP2006002584A (en) * 2004-06-15 2006-01-05 Samsung Electronics Co Ltd Propeller fan and air conditioner using the same
JP3912418B2 (en) * 2005-08-01 2007-05-09 ダイキン工業株式会社 Axial fan
JP4818184B2 (en) 2007-04-09 2011-11-16 三菱電機株式会社 Propeller fan
JP5396965B2 (en) * 2009-03-30 2014-01-22 ダイキン工業株式会社 Axial blower, air conditioner and ventilator
JP5079063B2 (en) * 2010-08-25 2012-11-21 三菱電機株式会社 Propeller, blower and heat pump device
JP5418538B2 (en) * 2011-04-28 2014-02-19 三菱電機株式会社 Blower
CN202132272U (en) * 2011-07-11 2012-02-01 珠海格力电器股份有限公司 Induction cooker and radiator fan thereof
JP5689538B2 (en) * 2011-11-10 2015-03-25 三菱電機株式会社 Outdoor cooling unit for vehicle air conditioner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004197694A (en) * 2002-12-20 2004-07-15 Daikin Ind Ltd Blower
EP1610068A1 (en) * 2003-03-31 2005-12-28 Toshiba Carrier Corporation Outdoor unit for air conditioner
JP2006152988A (en) * 2004-12-01 2006-06-15 Toshiba Kyaria Kk Axial flow fan and outdoor unit for air conditioner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014128908A1 *

Also Published As

Publication number Publication date
US20160003487A1 (en) 2016-01-07
CN105008723B (en) 2017-08-15
JP6215296B2 (en) 2017-10-18
EP2960525A1 (en) 2015-12-30
CN105008723A (en) 2015-10-28
WO2014128908A1 (en) 2014-08-28
EP2960525B1 (en) 2022-10-19
JPWO2014128908A1 (en) 2017-02-02

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Owner name: JOHNSON CONTROLS-HITACHI AIR CONDITIONING TECHNOLO

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