PL3978831T3 - Air conditioner - Google Patents

Air conditioner

Info

Publication number
PL3978831T3
PL3978831T3 PL20822547.4T PL20822547T PL3978831T3 PL 3978831 T3 PL3978831 T3 PL 3978831T3 PL 20822547 T PL20822547 T PL 20822547T PL 3978831 T3 PL3978831 T3 PL 3978831T3
Authority
PL
Poland
Prior art keywords
air conditioner
conditioner
air
Prior art date
Application number
PL20822547.4T
Other languages
Polish (pl)
Inventor
Takuro Yamada
Eiji Kumakura
Atsushi Yoshimi
Ikuhiro Iwata
Tomoatsu Minamida
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 PL3978831T3 publication Critical patent/PL3978831T3/en

Links

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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/10—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point with several cooling stages
    • 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
    • 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
    • F25B31/00—Compressor arrangements
    • F25B31/002—Lubrication
    • F25B31/004—Lubrication oil recirculating 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
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line arrangements
    • F25B41/42—Arrangements for diverging or converging flows, e.g. branch lines or junctions
    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/13—Economisers
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/16—Lubrication
PL20822547.4T 2019-06-12 2020-06-10 Air conditioner PL3978831T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019109592A JP2020201011A (en) 2019-06-12 2019-06-12 air conditioner
PCT/JP2020/022922 WO2020250952A1 (en) 2019-06-12 2020-06-10 Air conditioner

Publications (1)

Publication Number Publication Date
PL3978831T3 true PL3978831T3 (en) 2024-04-08

Family

ID=73744006

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20822547.4T PL3978831T3 (en) 2019-06-12 2020-06-10 Air conditioner

Country Status (7)

Country Link
US (1) US20220316767A1 (en)
EP (1) EP3978831B1 (en)
JP (1) JP2020201011A (en)
CN (1) CN113950602B (en)
ES (1) ES2961904T3 (en)
PL (1) PL3978831T3 (en)
WO (1) WO2020250952A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021054935A1 (en) * 2019-09-16 2021-03-25 Nokia Solutions And Networks Oy Antenna selection for uplink signals in a wireless communication system

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6146859A (en) * 1984-08-13 1986-03-07 株式会社日立製作所 Two-element refrigerator
US5025634A (en) * 1989-04-25 1991-06-25 Dressler William E Heating and cooling apparatus
JP3327197B2 (en) * 1997-08-19 2002-09-24 三菱電機株式会社 Refrigeration air conditioner
JP2001248941A (en) * 1999-12-28 2001-09-14 Daikin Ind Ltd Refrigeration unit
BRPI0103786B1 (en) * 2001-08-29 2015-06-16 Brasil Compressores Sa Refrigeration control system of a refrigerated environment, method of control of refrigeration and cooler system
US6557361B1 (en) * 2002-03-26 2003-05-06 Praxair Technology Inc. Method for operating a cascade refrigeration system
KR20070106043A (en) * 2003-11-28 2007-10-31 미쓰비시덴키 가부시키가이샤 Freezer and air conditioner
JP2006125762A (en) * 2004-10-29 2006-05-18 Mitsubishi Heavy Ind Ltd Indoor unit, air conditioning device comprising the same, and its operating method
JP4659521B2 (en) * 2004-12-08 2011-03-30 三菱電機株式会社 Refrigeration air conditioner, operation method of refrigeration air conditioner, method of manufacturing refrigeration air conditioner, refrigeration apparatus, method of manufacturing refrigeration apparatus
JP2008032275A (en) * 2006-07-27 2008-02-14 Daikin Ind Ltd Air conditioner
JP4609469B2 (en) * 2007-02-02 2011-01-12 ダイキン工業株式会社 Air conditioner
KR100803144B1 (en) * 2007-03-28 2008-02-14 엘지전자 주식회사 Air conditioner
JP2009126300A (en) * 2007-11-21 2009-06-11 Denso Corp Refrigerating cycle device, and vehicular air conditioner having the same
JP5323023B2 (en) * 2010-10-19 2013-10-23 三菱電機株式会社 Refrigeration equipment
JP2012193908A (en) * 2011-03-17 2012-10-11 Toshiba Carrier Corp Dual refrigerating cycle device
EP2741028B1 (en) * 2011-08-04 2020-03-11 Mitsubishi Electric Corporation Refrigeration device
JP5536817B2 (en) * 2012-03-26 2014-07-02 日立アプライアンス株式会社 Refrigeration cycle equipment
JP5759076B2 (en) * 2012-09-06 2015-08-05 三菱電機株式会社 Refrigeration equipment
JP2014074508A (en) 2012-10-02 2014-04-24 Samsung R&D Institute Japan Co Ltd Cascade heat exchanger
WO2014064744A1 (en) * 2012-10-22 2014-05-01 三菱電機株式会社 Freezing device
JP2015152240A (en) * 2014-02-14 2015-08-24 パナソニックＩｐマネジメント株式会社 air conditioner
JP6157721B2 (en) * 2014-03-17 2017-07-05 三菱電機株式会社 Refrigeration apparatus and control method of refrigeration apparatus
JP2018115831A (en) * 2017-01-20 2018-07-26 ダイキン工業株式会社 Indoor unit
JPWO2020004108A1 (en) * 2018-06-25 2021-07-15 ダイキン工業株式会社 Air conditioning system
US20200378657A1 (en) * 2019-05-31 2020-12-03 Trane International Inc. Heat transfer circuit with increased bearing lubricant temperature, and method of supplying thereof

Also Published As

Publication number Publication date
WO2020250952A1 (en) 2020-12-17
US20220316767A1 (en) 2022-10-06
ES2961904T3 (en) 2024-03-14
EP3978831B1 (en) 2023-08-09
JP2020201011A (en) 2020-12-17
CN113950602B (en) 2023-08-04
CN113950602A (en) 2022-01-18
EP3978831A4 (en) 2022-08-03
EP3978831A1 (en) 2022-04-06

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