EP4467814A4 - Centrifugal blower and air conditioning device - Google Patents

Centrifugal blower and air conditioning device

Info

Publication number
EP4467814A4
EP4467814A4 EP22920308.8A EP22920308A EP4467814A4 EP 4467814 A4 EP4467814 A4 EP 4467814A4 EP 22920308 A EP22920308 A EP 22920308A EP 4467814 A4 EP4467814 A4 EP 4467814A4
Authority
EP
European Patent Office
Prior art keywords
air conditioning
centrifugal fan
centrifugal
fan
conditioning
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Withdrawn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
EP22920308.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4467814A1 (en
Inventor
Hiroyasu Hayashi
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 EP4467814A1 publication Critical patent/EP4467814A1/en
Publication of EP4467814A4 publication Critical patent/EP4467814A4/en
Withdrawn legal-status Critical Current

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
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/422Discharge tongues
    • 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
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226Fan casings
    • 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
    • F04D17/08Centrifugal pumps
    • F04D17/10Centrifugal pumps for compressing or evacuating
    • 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
    • F24F1/0022Centrifugal or radial 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)
EP22920308.8A 2022-01-17 2022-01-17 Centrifugal blower and air conditioning device Withdrawn EP4467814A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/001294 WO2023135783A1 (ja) 2022-01-17 2022-01-17 遠心送風機及び空気調和装置

Publications (2)

Publication Number Publication Date
EP4467814A1 EP4467814A1 (en) 2024-11-27
EP4467814A4 true EP4467814A4 (en) 2025-03-12

Family

ID=87278754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22920308.8A Withdrawn EP4467814A4 (en) 2022-01-17 2022-01-17 Centrifugal blower and air conditioning device

Country Status (6)

Country Link
US (1) US20250012292A1 (https=)
EP (1) EP4467814A4 (https=)
JP (1) JPWO2023135783A1 (https=)
CN (1) CN118525151A (https=)
TW (1) TW202331109A (https=)
WO (1) WO2023135783A1 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2155631A (en) * 1936-06-20 1939-04-25 American Blower Corp Blower
KR20130088432A (ko) * 2012-01-31 2013-08-08 엘지전자 주식회사 공기조화기

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3093299A (en) * 1961-05-15 1963-06-11 Trane Co Centrifugal fan
DE4313617C2 (de) * 1993-04-26 1996-04-25 Kreis Truma Geraetebau Radialgebläse
JP3491313B2 (ja) * 1994-01-31 2004-01-26 松下電工株式会社 多翼ファンとこれを用いたヘアドライヤー
JP2020029838A (ja) 2018-08-24 2020-02-27 日本電産株式会社 送風装置、及び自動車用空調装置
JP6987940B2 (ja) * 2019-04-25 2022-01-05 三菱電機株式会社 羽根車、多翼送風機、及び空気調和装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2155631A (en) * 1936-06-20 1939-04-25 American Blower Corp Blower
KR20130088432A (ko) * 2012-01-31 2013-08-08 엘지전자 주식회사 공기조화기

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023135783A1 *

Also Published As

Publication number Publication date
JPWO2023135783A1 (https=) 2023-07-20
CN118525151A (zh) 2024-08-20
WO2023135783A1 (ja) 2023-07-20
EP4467814A1 (en) 2024-11-27
TW202331109A (zh) 2023-08-01
US20250012292A1 (en) 2025-01-09

Similar Documents

Publication Publication Date Title
EP4137702A4 (en) Impeller, centrifugal blower, and air-conditioning device
EP3702626A4 (en) CENTRIFUGAL BLOWER, BLOWER DEVICE, AIR CONDITIONER, AND REFRIGERATION CYCLE DEVICE
EP3708842A4 (en) FAN AND INDOOR AIR CONDITIONER UNIT EQUIPPED WITH THE FAN
EP4368901A4 (en) FAN AND AIR CONDITIONER ASSEMBLY
EP4234935A4 (en) Compressor and air conditioner
EP4202323A4 (en) AIR CONDITIONING SYSTEM AND ITS INTERNAL UNIT
EP4481205A4 (en) Combined fan blade structure and air outlet device
EP4283133A4 (en) AXIAL FLOW FAN AND AIR CONDITIONER
EP3896290A4 (en) CENTRIFUGAL FAN AND AIR CONDITIONING
EP3722609A4 (en) SCREW COMPRESSOR AND AIR CONDITIONING UNIT
EP3952065A4 (en) Rotor, motor, compressor, and air conditioning device
EP4530477A4 (en) VOLUTE, FAN AND AIR CONDITIONER
EP4471276A4 (en) TANGENTIAL FAN BLADE AND AIR CONDITIONER
EP4286691A4 (en) AIR BLOW STRUCTURE AND FAN
EP4234933A4 (en) ROTOR, COMPRESSOR AND AIR CONDITIONER ASSEMBLY
EP4191149C0 (en) INTEGRATED VENTILATION AND AIR CONDITIONING SYSTEM INCLUDING
EP4484758A4 (en) IMPELLER, BLOWER AND AIR CONDITIONER
EP4467812A4 (en) COMPRESSOR AND AIR CONDITIONING DEVICE
EP4414559A4 (en) CENTRIFUGAL BLOWER, AIR CONDITIONING DEVICE AND REFRIGERATION CYCLE DEVICE
EP4123239A4 (en) Air conditioner housing assembly and air conditioner
EP3961040A4 (en) CENTRIFUGAL FAN AND AIR CONDITIONING
EP3916313C0 (en) AIR SUPPLY AND EXHAUST UNIT, AND INTEGRATED AIR CONDITIONER
EP4443069A4 (en) AIR CONDITIONER AND AIR CONDITIONING SYSTEM
EP4123183A4 (en) WHEEL, MULTI-BLADE BLOWER AND AIR CONDITIONING DEVICE
EP4287463A4 (en) MOTOR, COMPRESSOR AND FAN

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: 20240523

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: 20250210

RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 29/44 20060101AFI20250204BHEP

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

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
18W Application withdrawn

Effective date: 20250331