EP4130487A4 - Axial fan, blowing device, and refrigeration cycle device - Google Patents

Axial fan, blowing device, and refrigeration cycle device Download PDF

Info

Publication number
EP4130487A4
EP4130487A4 EP20927809.2A EP20927809A EP4130487A4 EP 4130487 A4 EP4130487 A4 EP 4130487A4 EP 20927809 A EP20927809 A EP 20927809A EP 4130487 A4 EP4130487 A4 EP 4130487A4
Authority
EP
European Patent Office
Prior art keywords
refrigeration cycle
axial fan
blowing
blowing device
cycle device
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.)
Pending
Application number
EP20927809.2A
Other languages
German (de)
French (fr)
Other versions
EP4130487A1 (en
Inventor
Katsuyuki Yamamoto
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 EP4130487A1 publication Critical patent/EP4130487A1/en
Publication of EP4130487A4 publication Critical patent/EP4130487A4/en
Pending 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
    • F04D29/26—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
    • 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
    • F05D2240/305—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 pressure side 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
    • F05D2250/10—Two-dimensional
    • F05D2250/18—Two-dimensional patterned
    • F05D2250/182—Two-dimensional patterned crenellated, notched
    • 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
    • F05D2250/60—Structure; Surface texture
    • F05D2250/61—Structure; Surface texture corrugated
    • F05D2250/611—Structure; Surface texture corrugated undulated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP20927809.2A 2020-03-24 2020-03-24 Axial fan, blowing device, and refrigeration cycle device Pending EP4130487A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/013027 WO2021192036A1 (en) 2020-03-24 2020-03-24 Axial fan, blowing device, and refrigeration cycle device

Publications (2)

Publication Number Publication Date
EP4130487A1 EP4130487A1 (en) 2023-02-08
EP4130487A4 true EP4130487A4 (en) 2023-05-03

Family

ID=77891238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20927809.2A Pending EP4130487A4 (en) 2020-03-24 2020-03-24 Axial fan, blowing device, and refrigeration cycle device

Country Status (4)

Country Link
EP (1) EP4130487A4 (en)
JP (1) JP7258225B2 (en)
CN (1) CN115280020B (en)
WO (1) WO2021192036A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016071948A1 (en) * 2014-11-04 2016-05-12 三菱電機株式会社 Propeller fan, propeller fan device, and outdoor equipment for air-conditioning device
EP3085966A1 (en) * 2013-12-20 2016-10-26 Mitsubishi Electric Corporation Axial flow fan
WO2018158859A1 (en) * 2017-02-28 2018-09-07 三菱電機株式会社 Propeller fan, blower, and air conditioner
US20190107118A1 (en) * 2016-06-16 2019-04-11 Mitsubishi Electric Corporation Impeller and axial flow fan

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3743222B2 (en) * 1999-09-24 2006-02-08 松下電器産業株式会社 Blower impeller and air conditioner
CN102011739B (en) * 2009-09-08 2013-01-09 建准电机工业股份有限公司 Axial flow type fan and fan wheel thereof
CN101718279B (en) * 2009-12-17 2011-09-07 四川长虹空调有限公司 Axial flow fan for air conditioner
JP2011236860A (en) 2010-05-13 2011-11-24 Panasonic Corp Propeller fan, and air conditioner using the same
CN105221480A (en) * 2010-11-05 2016-01-06 台达电子工业股份有限公司 Fan structure
CN110513329B (en) * 2019-09-30 2024-07-19 广东美的制冷设备有限公司 Axial-flow wind wheel and air conditioner with same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3085966A1 (en) * 2013-12-20 2016-10-26 Mitsubishi Electric Corporation Axial flow fan
WO2016071948A1 (en) * 2014-11-04 2016-05-12 三菱電機株式会社 Propeller fan, propeller fan device, and outdoor equipment for air-conditioning device
US20190107118A1 (en) * 2016-06-16 2019-04-11 Mitsubishi Electric Corporation Impeller and axial flow fan
WO2018158859A1 (en) * 2017-02-28 2018-09-07 三菱電機株式会社 Propeller fan, blower, and air conditioner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021192036A1 *

Also Published As

Publication number Publication date
EP4130487A1 (en) 2023-02-08
JP7258225B2 (en) 2023-04-14
WO2021192036A1 (en) 2021-09-30
CN115280020B (en) 2023-12-05
CN115280020A (en) 2022-11-01
JPWO2021192036A1 (en) 2021-09-30

Similar Documents

Publication Publication Date Title
EP3702626A4 (en) Centrifugal blower, blowing device, air conditioner, and refrigeration cycle device
EP3798452A4 (en) Centrifugal air blower, air blowing device, air conditioning device, and refrigeration cycle device
EP3584522A4 (en) Refrigerant leak determination device, air conditioner, and refrigerant leak determination method
EP3901470A4 (en) Centrifugal blower, blowing device, air conditioner, and refrigeration cycle device
EP3705729A4 (en) Centrifugal blower, blowing device, air conditioner, and refrigeration cycle device
EP3992468A4 (en) Axial flow fan, blowing device, and refrigeration cycle device
EP3460254A4 (en) Centrifugal blower, air conditioner, and refrigeration cycle device
EP3845766A4 (en) Centrifugal blower, blower device, air conditioning device, and refrigeration cycle device
EP3661046A4 (en) Drive device, compressor, air conditioner, and drive method
EP3865722A4 (en) Bearing stator, compressor, and air conditioner
EP4105486A4 (en) Screw compressor, and refrigeration device
EP3954947A4 (en) Outdoor unit, refrigeration cycle device, and refrigerating machine
EP3761483A4 (en) Motor, compressor, and refrigeration device
EP3644002A4 (en) Heat exchanger, refrigeration cycle device, and air conditioner
EP4287463A4 (en) Motor, compressor, and fan
EP3952065A4 (en) Rotor, motor, compressor, and air conditioning device
EP3739271A4 (en) Fan unit, and outdoor unit of air conditioner comprising fan unit
EP3974659A4 (en) Axial fan, blower, and refrigeration cycle apparatus
EP4265969A4 (en) Air conditioner pipeline device, and air conditioner
EP3667097A4 (en) Propeller fan, blower device, and refrigeration cycle device
EP3985262A4 (en) Centrifugal blower, air conditioning device, and refrigeration cycle device
EP4155554A4 (en) Axial flow fan, blowing device, and refrigeration cycle device
EP3667098A4 (en) Propeller fan, blower, and refrigeration cycle apparatus
EP3961863A4 (en) Motor, compressor, and refrigeration device
EP3875777A4 (en) Turbo fan, blower device, air conditioning device, and refrigeration cycle device

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20220804

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20230403

RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 29/38 20060101AFI20230328BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)