EP3922860A4 - CENTRIFUGAL AIR BLOWER AND AIR CONDITIONER USING IT - Google Patents

CENTRIFUGAL AIR BLOWER AND AIR CONDITIONER USING IT Download PDF

Info

Publication number
EP3922860A4
EP3922860A4 EP19914580.6A EP19914580A EP3922860A4 EP 3922860 A4 EP3922860 A4 EP 3922860A4 EP 19914580 A EP19914580 A EP 19914580A EP 3922860 A4 EP3922860 A4 EP 3922860A4
Authority
EP
European Patent Office
Prior art keywords
air
centrifugal
air conditioner
blower
air blower
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
EP19914580.6A
Other languages
German (de)
French (fr)
Other versions
EP3922860B1 (en
EP3922860A1 (en
Inventor
Atsushi Kono
Takuya Teramoto
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP3922860A1 publication Critical patent/EP3922860A1/en
Publication of EP3922860A4 publication Critical patent/EP3922860A4/en
Application granted granted Critical
Publication of EP3922860B1 publication Critical patent/EP3922860B1/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
    • F04D29/28—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
    • 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
    • F05D2240/301—Cross-sectional characteristics
    • 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
    • F05D2240/303—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 leading edge of a rotor blade

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP19914580.6A 2019-02-07 2019-02-07 Centrifugal air blower and air conditioner using same Active EP3922860B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/004355 WO2020161850A1 (en) 2019-02-07 2019-02-07 Centrifugal air blower and air conditioner using same

Publications (3)

Publication Number Publication Date
EP3922860A1 EP3922860A1 (en) 2021-12-15
EP3922860A4 true EP3922860A4 (en) 2022-02-16
EP3922860B1 EP3922860B1 (en) 2025-12-10

Family

ID=71948121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19914580.6A Active EP3922860B1 (en) 2019-02-07 2019-02-07 Centrifugal air blower and air conditioner using same

Country Status (4)

Country Link
EP (1) EP3922860B1 (en)
JP (1) JP7003301B2 (en)
CN (1) CN113439163A (en)
WO (1) WO2020161850A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111878455B (en) * 2020-09-17 2024-11-12 珠海格力电器股份有限公司 Centrifugal impeller, centrifugal fan and refrigeration equipment
CN115405560A (en) * 2022-08-15 2022-11-29 卧龙电气驱动集团股份有限公司 Centrifugal impeller and fan
WO2025088698A1 (en) * 2023-10-24 2025-05-01 三菱電機株式会社 Centrifugal blower and air-conditioning device comprising same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2275689A1 (en) * 2008-05-14 2011-01-19 Daikin Industries, Ltd. Centrifugal fan
US20150316073A1 (en) * 2014-05-05 2015-11-05 Ziehl-Abegg Se Impeller wheel for diagonal or radial fans, injection molding tool for manufacturing such an impeller wheel, and device comprising such an impeller wheel

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3260544B2 (en) * 1994-04-06 2002-02-25 松下精工株式会社 Multi-wing fan
JP2000146214A (en) * 1998-11-02 2000-05-26 Matsushita Refrig Co Ltd Air conditioner
JP5473497B2 (en) * 2009-09-03 2014-04-16 三菱重工業株式会社 Multiblade centrifugal fan and air conditioner using the same
JP2013060916A (en) * 2011-09-14 2013-04-04 Sanyo Electric Co Ltd Centrifugal fan, and air conditioner using the same
JP2014029149A (en) * 2012-06-26 2014-02-13 Denso Corp Centrifugal multi-blade fan
CN103174672B (en) * 2013-04-02 2016-01-13 宁波朗迪叶轮机械有限公司 BI oblique flow wind pushing impeller
US10036400B2 (en) * 2014-05-02 2018-07-31 Regal Beloit America, Inc. Centrifugal fan assembly and methods of assembling the same
WO2017060987A1 (en) * 2015-10-07 2017-04-13 三菱電機株式会社 Blower and air conditioning device provided with same
JP2017078386A (en) * 2015-10-22 2017-04-27 パナソニックＩｐマネジメント株式会社 Centrifugal fan

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2275689A1 (en) * 2008-05-14 2011-01-19 Daikin Industries, Ltd. Centrifugal fan
US20150316073A1 (en) * 2014-05-05 2015-11-05 Ziehl-Abegg Se Impeller wheel for diagonal or radial fans, injection molding tool for manufacturing such an impeller wheel, and device comprising such an impeller wheel

Also Published As

Publication number Publication date
JP7003301B2 (en) 2022-01-20
WO2020161850A1 (en) 2020-08-13
JPWO2020161850A1 (en) 2021-09-30
EP3922860B1 (en) 2025-12-10
CN113439163A (en) 2021-09-24
EP3922860A1 (en) 2021-12-15

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