EP4249821A4 - Indoor unit, and refrigeration cycle device - Google Patents

Indoor unit, and refrigeration cycle device Download PDF

Info

Publication number
EP4249821A4
EP4249821A4 EP20962373.5A EP20962373A EP4249821A4 EP 4249821 A4 EP4249821 A4 EP 4249821A4 EP 20962373 A EP20962373 A EP 20962373A EP 4249821 A4 EP4249821 A4 EP 4249821A4
Authority
EP
European Patent Office
Prior art keywords
indoor unit
refrigeration cycle
cycle device
refrigeration
indoor
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
EP20962373.5A
Other languages
German (de)
French (fr)
Other versions
EP4249821A1 (en
Inventor
Atsushi Kono
Takuya Teramoto
Makoto Kurihara
Kazuki ISOMURA
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 EP4249821A1 publication Critical patent/EP4249821A1/en
Publication of EP4249821A4 publication Critical patent/EP4249821A4/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24—Means for preventing or suppressing noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
EP20962373.5A 2020-11-17 2020-11-17 Indoor unit, and refrigeration cycle device Pending EP4249821A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/042812 WO2022107209A1 (en) 2020-11-17 2020-11-17 Indoor unit, and refrigeration cycle device

Publications (2)

Publication Number Publication Date
EP4249821A1 EP4249821A1 (en) 2023-09-27
EP4249821A4 true EP4249821A4 (en) 2024-01-03

Family

ID=81708483

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20962373.5A Pending EP4249821A4 (en) 2020-11-17 2020-11-17 Indoor unit, and refrigeration cycle device

Country Status (5)

Country Link
US (1) US20230358417A1 (en)
EP (1) EP4249821A4 (en)
JP (1) JPWO2022107209A1 (en)
CN (1) CN116391097A (en)
WO (1) WO2022107209A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01263437A (en) * 1988-04-15 1989-10-19 Matsushita Refrig Co Ltd Air conditioner
JP2014126245A (en) * 2012-12-26 2014-07-07 Mitsubishi Heavy Ind Ltd Air conditioning unit
JP2017122525A (en) * 2016-01-06 2017-07-13 パナソニックＩｐマネジメント株式会社 Ceiling embedded type indoor unit
WO2018029877A1 (en) * 2016-08-10 2018-02-15 日立ジョンソンコントロールズ空調株式会社 Indoor unit and air-conditioning device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01263437A (en) * 1988-04-15 1989-10-19 Matsushita Refrig Co Ltd Air conditioner
JP2014126245A (en) * 2012-12-26 2014-07-07 Mitsubishi Heavy Ind Ltd Air conditioning unit
JP2017122525A (en) * 2016-01-06 2017-07-13 パナソニックＩｐマネジメント株式会社 Ceiling embedded type indoor unit
WO2018029877A1 (en) * 2016-08-10 2018-02-15 日立ジョンソンコントロールズ空調株式会社 Indoor unit and air-conditioning device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022107209A1 *

Also Published As

Publication number Publication date
WO2022107209A1 (en) 2022-05-27
JPWO2022107209A1 (en) 2022-05-27
US20230358417A1 (en) 2023-11-09
EP4249821A1 (en) 2023-09-27
CN116391097A (en) 2023-07-04

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Legal Events

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

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Effective date: 20230419

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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: 20231130

RIC1 Information provided on ipc code assigned before grant

Ipc: F24F 11/89 20180101ALI20231124BHEP

Ipc: F24F 1/0022 20190101ALI20231124BHEP

Ipc: F24F 1/0047 20190101ALI20231124BHEP

Ipc: F24F 13/20 20060101AFI20231124BHEP

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