US20260118017A1 - Refrigeration apparatus - Google Patents

Refrigeration apparatus

Info

Publication number
US20260118017A1
US20260118017A1 US19/430,272 US202519430272A US2026118017A1 US 20260118017 A1 US20260118017 A1 US 20260118017A1 US 202519430272 A US202519430272 A US 202519430272A US 2026118017 A1 US2026118017 A1 US 2026118017A1
Authority
US
United States
Prior art keywords
heat exchanger
refrigerant
refrigeration apparatus
heat
air flow
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
US19/430,272
Other languages
English (en)
Inventor
Yuta IYOSHI
Yoshiki YAMANOI
Shota AZUMA
Hiroaki Matsuda
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of US20260118017A1 publication Critical patent/US20260118017A1/en
Pending legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0435—Combination of units extending one behind the other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
    • F28F1/325—Fins with openings
    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14—Heat exchangers specially adapted for separate outdoor units
    • F24F1/16—Arrangement or mounting thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
    • F25B2313/0254—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units in series arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
US19/430,272 2023-07-03 2025-12-23 Refrigeration apparatus Pending US20260118017A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023-109478 2023-07-03
JP2023109478 2023-07-03
PCT/JP2024/021170 WO2025009339A1 (ja) 2023-07-03 2024-06-11 冷凍装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2024/021170 Continuation WO2025009339A1 (ja) 2023-07-03 2024-06-11 冷凍装置

Publications (1)

Publication Number Publication Date
US20260118017A1 true US20260118017A1 (en) 2026-04-30

Family

ID=93258938

Family Applications (2)

Application Number Title Priority Date Filing Date
US19/430,272 Pending US20260118017A1 (en) 2023-07-03 2025-12-23 Refrigeration apparatus
US19/430,318 Pending US20260118040A1 (en) 2023-07-03 2025-12-23 Heat source unit and refrigeration apparatus

Family Applications After (1)

Application Number Title Priority Date Filing Date
US19/430,318 Pending US20260118040A1 (en) 2023-07-03 2025-12-23 Heat source unit and refrigeration apparatus

Country Status (5)

Country Link
US (2) US20260118017A1 (https=)
EP (2) EP4513109A4 (https=)
JP (2) JP7656242B2 (https=)
CN (2) CN121420166A (https=)
WO (2) WO2025009339A1 (https=)

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3540530B2 (ja) * 1996-12-13 2004-07-07 東芝キヤリア株式会社 空気調和装置
JP2000205601A (ja) * 1999-01-08 2000-07-28 Hitachi Ltd 空気調和機用室外ユニット
JP3831704B2 (ja) * 2002-12-25 2006-10-11 三洋電機株式会社 室外ユニット
JP2004218925A (ja) * 2003-01-15 2004-08-05 Fujitsu General Ltd 空気調和機
WO2006099378A1 (en) * 2005-03-14 2006-09-21 York International Corporation Hvac system with powered subcooler
JP4749373B2 (ja) 2007-04-10 2011-08-17 三菱電機株式会社 空気調和機
JP2009281659A (ja) * 2008-05-22 2009-12-03 Panasonic Corp 冷凍サイクル装置
JP2012017915A (ja) 2010-07-08 2012-01-26 Panasonic Corp ヒートポンプ式熱源装置
JP2013100964A (ja) * 2011-11-09 2013-05-23 Sumitomo Light Metal Ind Ltd 空気調和機用サーペンタイン熱交換器
EP2995885B1 (en) * 2013-05-08 2020-04-15 Mitsubishi Electric Corporation Binary refrigeration device
JP2015004451A (ja) * 2013-06-19 2015-01-08 パナソニック株式会社 フィンチューブ熱交換器
WO2015059832A1 (ja) * 2013-10-25 2015-04-30 三菱電機株式会社 熱交換器及びその熱交換器を用いた冷凍サイクル装置
KR102264725B1 (ko) * 2014-05-22 2021-06-11 엘지전자 주식회사 히트 펌프
JP5987889B2 (ja) * 2014-11-14 2016-09-07 ダイキン工業株式会社 熱交換器
JP6972158B2 (ja) 2017-10-20 2021-11-24 三菱電機株式会社 除湿装置
CN115769032A (zh) 2020-07-15 2023-03-07 三菱电机株式会社 制冷装置的室外机以及具备该室外机的制冷装置
JP7394722B2 (ja) * 2020-07-28 2023-12-08 三菱電機株式会社 除湿装置
EP4317846A4 (en) 2021-03-31 2025-04-02 Daikin Industries, Ltd. REFRIGERATING CYCLE DEVICE
WO2024095338A1 (ja) * 2022-10-31 2024-05-10 三菱電機株式会社 二元冷凍サイクル装置
JP7518418B2 (ja) * 2022-12-12 2024-07-18 ダイキン工業株式会社 空調ユニット

Also Published As

Publication number Publication date
CN121420166A (zh) 2026-01-27
CN121399419A (zh) 2026-01-23
EP4513109A4 (en) 2025-05-28
WO2025009569A1 (ja) 2025-01-09
JP7727250B2 (ja) 2025-08-21
JP2025009892A (ja) 2025-01-20
US20260118040A1 (en) 2026-04-30
EP4513109A1 (en) 2025-02-26
EP4513108A4 (en) 2025-05-21
JP7656242B2 (ja) 2025-04-03
EP4513108A1 (en) 2025-02-26
WO2025009339A1 (ja) 2025-01-09
JPWO2025009569A1 (https=) 2025-01-09

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