EP3572734A4 - Indoor unit - Google Patents

Indoor unit Download PDF

Info

Publication number
EP3572734A4
EP3572734A4 EP17893310.7A EP17893310A EP3572734A4 EP 3572734 A4 EP3572734 A4 EP 3572734A4 EP 17893310 A EP17893310 A EP 17893310A EP 3572734 A4 EP3572734 A4 EP 3572734A4
Authority
EP
European Patent Office
Prior art keywords
indoor unit
indoor
unit
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
EP17893310.7A
Other languages
German (de)
French (fr)
Other versions
EP3572734A1 (en
Inventor
Kousuke SHIOHAMA
Yoshiteru Nouchi
Tarou YASUMATSU
Masashi Saitou
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 EP3572734A1 publication Critical patent/EP3572734A1/en
Publication of EP3572734A4 publication Critical patent/EP3572734A4/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
    • F24F1/0068—Indoor units, e.g. fan coil units characterised by the arrangement of refrigerant piping outside the heat exchanger within the unit casing
    • 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
    • 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
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • 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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • 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
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/385—Dispositions with two or more expansion means arranged in parallel on a refrigerant line leading to the same evaporator
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/006—Compression machines, plants or systems with reversible cycle not otherwise provided for two pipes connecting the outdoor side to the indoor side with multiple indoor units
    • 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
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/01—Geometry problems, e.g. for reducing size
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
EP17893310.7A 2017-01-20 2017-12-22 Indoor unit Pending EP3572734A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017008436A JP2018115831A (en) 2017-01-20 2017-01-20 Indoor unit
PCT/JP2017/046194 WO2018135238A1 (en) 2017-01-20 2017-12-22 Indoor unit

Publications (2)

Publication Number Publication Date
EP3572734A1 EP3572734A1 (en) 2019-11-27
EP3572734A4 true EP3572734A4 (en) 2020-10-14

Family

ID=62908481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17893310.7A Pending EP3572734A4 (en) 2017-01-20 2017-12-22 Indoor unit

Country Status (5)

Country Link
US (1) US20190383522A1 (en)
EP (1) EP3572734A4 (en)
JP (1) JP2018115831A (en)
CN (1) CN110234934A (en)
WO (1) WO2018135238A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6721546B2 (en) * 2017-07-21 2020-07-15 ダイキン工業株式会社 Refrigeration equipment
AU2018342809B2 (en) * 2017-09-29 2020-07-09 Daikin Industries, Ltd. Air-conditioning system
EP3751213A4 (en) * 2018-02-07 2021-02-17 Mitsubishi Electric Corporation Air conditioning system and air conditioning control method
JP2020201011A (en) * 2019-06-12 2020-12-17 ダイキン工業株式会社 air conditioner

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001304702A (en) * 2000-04-19 2001-10-31 Daikin Ind Ltd Refrigeration apparatus
JP2001304621A (en) * 2000-04-14 2001-10-31 Daikin Ind Ltd Outdoor heat exchanger, indoor heat exchanger and air- conditioning equipment
US20120031139A1 (en) * 2010-08-04 2012-02-09 Mitsubishi Electric Corporation Indoor unit of air-conditioning apparatus and air-conditioning apparatus
EP2840335A1 (en) * 2012-03-26 2015-02-25 Hitachi Appliances, Inc. Refrigerating cycle device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5362028A (en) 1976-11-15 1978-06-03 Nissan Diesel Motor Co Ltd Controlling method and apparatus for cylinder-reducing operation indiesel engine
JPH1163710A (en) * 1997-08-08 1999-03-05 Toshiba Corp Air conditioner
JP2001248941A (en) * 1999-12-28 2001-09-14 Daikin Ind Ltd Refrigeration unit
JP4815656B2 (en) * 2000-04-19 2011-11-16 ダイキン工業株式会社 Refrigeration equipment
JP2003254555A (en) * 2002-02-28 2003-09-10 Toshiba Kyaria Kk Air conditioner
JP2008196762A (en) * 2007-02-13 2008-08-28 Daikin Ind Ltd Flow divider, heat exchanger unit and refrigerating device
JP5772787B2 (en) * 2012-10-31 2015-09-02 ダイキン工業株式会社 Air heat exchanger
WO2014155545A1 (en) * 2013-03-27 2014-10-02 日立アプライアンス株式会社 Air conditioner
JP6400378B2 (en) * 2014-08-07 2018-10-03 東芝ライフスタイル株式会社 Air conditioner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001304621A (en) * 2000-04-14 2001-10-31 Daikin Ind Ltd Outdoor heat exchanger, indoor heat exchanger and air- conditioning equipment
JP2001304702A (en) * 2000-04-19 2001-10-31 Daikin Ind Ltd Refrigeration apparatus
US20120031139A1 (en) * 2010-08-04 2012-02-09 Mitsubishi Electric Corporation Indoor unit of air-conditioning apparatus and air-conditioning apparatus
EP2840335A1 (en) * 2012-03-26 2015-02-25 Hitachi Appliances, Inc. Refrigerating cycle device

Also Published As

Publication number Publication date
US20190383522A1 (en) 2019-12-19
JP2018115831A (en) 2018-07-26
EP3572734A1 (en) 2019-11-27
CN110234934A (en) 2019-09-13
WO2018135238A1 (en) 2018-07-26

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