JPWO2016059698A1 - 冷凍サイクル装置 - Google Patents
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- 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
- F24F1/26—Refrigerant piping
- F24F1/32—Refrigerant piping for connecting the separate outdoor units to indoor units
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
- C10M105/38—Esters of polyhydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/20—Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
- C10M107/22—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M107/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol, aldehyde, ketonic, ether, ketal or acetal radical
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/20—Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
- C10M107/30—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M107/32—Condensation polymers of aldehydes or ketones; Polyesters; Polyethers
- C10M107/34—Polyoxyalkylenes
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- 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
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- 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
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- 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
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- 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
- F25B9/006—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant containing more than one component
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/10—Components
- C09K2205/12—Hydrocarbons
- C09K2205/126—Unsaturated fluorinated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/22—All components of a mixture being fluoro compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
- C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
- C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
- C09K5/045—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds containing only fluorine as halogen
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
- C10M171/008—Lubricant compositions compatible with refrigerants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
- C10M2207/2835—Esters of polyhydroxy compounds used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol or ester thereof; bound to an aldehyde, ketonic, ether, ketal or acetal radical
- C10M2209/043—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol or ester thereof; bound to an aldehyde, ketonic, ether, ketal or acetal radical used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/1033—Polyethers, i.e. containing di- or higher polyoxyalkylene groups used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/30—Refrigerators lubricants or compressors lubricants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/062—Cooling by injecting a liquid in the gas to be compressed
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- Chemical & Material Sciences (AREA)
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Materials Engineering (AREA)
- Lubricants (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
Description
・R744:動作圧力が非常に高いため、耐圧確保の課題がある。また、臨界温度が31℃と低いため、空気調和機用途での性能の確保が課題となる。
・R717:高毒性であるため、安全確保の課題がある。
・R290:強燃性であるため、安全確保の課題がある。
・HFO−1234yf/HFO−1234ze:低動作圧で体積流量が大きくなるため、圧力損失増大による性能低下の課題がある。
・動作圧力が高く、冷媒の体積流量が小さいため、圧力損失が小さく、性能を確保しやすい。
・GWPが1未満であり、地球温暖化対策として優位性が高い。
(1)高温、高圧の状態において、着火エネルギーが加わると、爆発が発生する(例えば、非特許文献1参照)。
(1a)冷凍サイクル装置(特に、圧縮機)の内部に着火エネルギー(高温部)が発生し、不均化反応が起こる。
(1b)高温、高圧の状態において、不均化反応が連鎖して拡散する。
また、本発明に係る冷凍サイクル装置は、ジフルオロメタンが最も溶にくくなるように調整された冷凍機油を用いている。このため、冷凍サイクル装置の運転中においても、混合冷媒中に占める1,1,2−トリフルオロエチレンの割合が増加することを抑制できる。したがって、本発明に係る冷凍サイクル装置は、冷凍サイクル装置の運転中においても、1,1,2−トリフルオロエチレンが不均化反応を起こすことを抑制できる。
また、本発明に係る冷凍サイクル装置に用いられる混合冷媒は、ジフルオロメタンの混合比率が1,1,2−トリフルオロエチレンに対して0.7倍以上2倍以下の重量比となっている。このため、1,1,2−トリフルオロエチレンとジフルオロメタンとは疑似共沸状態とすることができる。したがって、本発明に係る冷凍サイクル装置は、1,1,2−トリフルオロエチレンとジフルオロメタンとの分離が抑制されるため、1,1,2−トリフルオロエチレンが不均化反応を起こすことをさらに抑制できる。
また、本発明に係る冷凍サイクル装置は、混合冷媒中の1,1,2−トリフルオロエチレンの割合を低下させるために、ジフルオロメタンだけでなく、2,3,3,3−テトラフルオロプロペンも混合している。このため、本発明においては、混合冷媒のGWPを低下させることもできる。
図1及び図2は、本発明の実施の形態に係る冷凍サイクル装置10の回路図である。図1は、冷房時の冷媒回路11aを示している。図2は、暖房時の冷媒回路11bを示している。
ポリオールエステル、ポリビニルエーテル及びポリアルキレングリコールの少なくとも2つを混合し、冷凍機油60としても勿論よい。
なお、HFO−1123を用いることによる地球温暖化係数(GWP)低減の効果を考えると、混合冷媒中のHFO−1123の比率は10wt%以上であることが好ましい。
Claims (5)
- 高圧シェル型圧縮機、凝縮器、膨張機構及び蒸発器が接続された冷媒回路と、
1,1,2−トリフルオロエチレン、ジフルオロメタン及び2,3,3,3−テトラフルオロプロペンが混合され、前記冷媒回路を循環する混合冷媒であって、前記冷媒回路に封入される前の状態において、前記1,1,2−トリフルオロエチレンが50wt%未満で、前記ジフルオロメタンの混合比率が前記1,1,2−トリフルオロエチレンに対して0.7倍以上2倍以下の重量比となる混合冷媒と、
前記1,1,2−トリフルオロエチレン、前記ジフルオロメタン及び前記2,3,3,3−テトラフルオロプロペンのうち、前記ジフルオロメタンが最も溶けにくくなるように調整され、前記冷媒回路内に封入された冷凍機油と、
を備えた冷凍サイクル装置。 - 前記冷凍機油は、前記2,3,3,3−テトラフルオロプロペンの方が前記1,1,2−トリフルオロエチレンよりも溶けやすく調整されている請求項1に記載の冷凍サイクル装置。
- 前記冷媒回路に封入される前記混合冷媒は、前記冷凍機油に対して1倍以上4倍以下の重量比である請求項1又は請求項2に記載の冷凍サイクル装置。
- 露点温度が40℃、前記高圧シェル型圧縮機内に貯留されている前記冷凍機油の温度が60℃となる運転条件において、
前記冷凍機油100重量部に対する前記2,3,3,3−テトラフルオロプロペンの溶解量が30重量部以上であり、
前記冷凍機油100重量部に対する前記ジフルオロメタンの溶解量が、前記2,3,3,3−テトラフルオロプロペンの溶解量よりも10重量部以上少ない請求項1〜請求項3のいずれか一項に記載の冷凍サイクル装置。 - 前記冷凍機油は、ポリオールエステル、ポリビニルエーテル及びポリアルキレングリコールのうちの少なくとも1つである請求項1〜請求項4のいずれか一項に記載の冷凍サイクル装置。
Applications Claiming Priority (1)
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PCT/JP2014/077527 WO2016059698A1 (ja) | 2014-10-16 | 2014-10-16 | 冷凍サイクル装置 |
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JPWO2016059698A1 true JPWO2016059698A1 (ja) | 2017-04-27 |
JP6192851B2 JP6192851B2 (ja) | 2017-09-06 |
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US (1) | US10393391B2 (ja) |
EP (1) | EP3208555A4 (ja) |
JP (1) | JP6192851B2 (ja) |
KR (1) | KR101892880B1 (ja) |
CN (1) | CN106796057B (ja) |
AU (1) | AU2014408864B2 (ja) |
WO (1) | WO2016059698A1 (ja) |
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EP3470489B1 (en) | 2013-07-12 | 2020-10-14 | AGC Inc. | Working fluid for heat cycle, a process for its preparation, composition for heat cycle system, and heat cycle system |
EP3101081B1 (en) * | 2014-01-31 | 2019-12-18 | AGC Inc. | Working fluid for heat cycle, composition for heat cycle system, and heat cycle system |
CN106029852B (zh) * | 2014-02-20 | 2019-05-17 | Agc株式会社 | 热循环系统用组合物以及热循环系统 |
JP6477679B2 (ja) * | 2014-02-20 | 2019-03-06 | Agc株式会社 | 熱サイクルシステム用組成物および熱サイクルシステム |
KR101943789B1 (ko) | 2015-05-27 | 2019-01-29 | 미쓰비시덴키 가부시키가이샤 | 압축기 및 냉동사이클 장치 |
JP6418284B1 (ja) * | 2017-06-12 | 2018-11-07 | ダイキン工業株式会社 | 冷媒を含有する組成物、その使用、それを用いた冷凍方法、及びそれを含む冷凍機 |
US11441802B2 (en) | 2017-12-18 | 2022-09-13 | Daikin Industries, Ltd. | Air conditioning apparatus |
US11506425B2 (en) | 2017-12-18 | 2022-11-22 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
WO2019123782A1 (ja) | 2017-12-18 | 2019-06-27 | ダイキン工業株式会社 | 冷媒を含む組成物、その使用、並びにそれを有する冷凍機及びその冷凍機の運転方法 |
US11549041B2 (en) | 2017-12-18 | 2023-01-10 | Daikin Industries, Ltd. | Composition containing refrigerant, use of said composition, refrigerator having said composition, and method for operating said refrigerator |
US11365335B2 (en) | 2017-12-18 | 2022-06-21 | Daikin Industries, Ltd. | Composition comprising refrigerant, use thereof, refrigerating machine having same, and method for operating said refrigerating machine |
US11820933B2 (en) | 2017-12-18 | 2023-11-21 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
AU2018390660B2 (en) | 2017-12-18 | 2023-01-05 | Daikin Industries, Ltd. | Refrigeration Cycle Apparatus |
US11441819B2 (en) | 2017-12-18 | 2022-09-13 | Daikin Industries, Ltd. | Refrigeration cycle apparatus |
US11549695B2 (en) | 2017-12-18 | 2023-01-10 | Daikin Industries, Ltd. | Heat exchange unit |
US11493244B2 (en) | 2017-12-18 | 2022-11-08 | Daikin Industries, Ltd. | Air-conditioning unit |
US11906207B2 (en) | 2017-12-18 | 2024-02-20 | Daikin Industries, Ltd. | Refrigeration apparatus |
US11435118B2 (en) | 2017-12-18 | 2022-09-06 | Daikin Industries, Ltd. | Heat source unit and refrigeration cycle apparatus |
JP7227506B2 (ja) * | 2018-09-28 | 2023-02-22 | ダイキン工業株式会社 | 冷凍サイクル装置及びその制御方法 |
JPWO2020158731A1 (ja) * | 2019-01-30 | 2021-12-02 | ダイキン工業株式会社 | 庫内空気調節装置 |
JP6908082B2 (ja) * | 2019-09-27 | 2021-07-21 | 株式会社富士通ゼネラル | 冷凍サイクル装置 |
CN111849420B (zh) * | 2020-07-20 | 2022-02-15 | 大连理工大学 | 一种含有一氟乙烷和三氟乙烯的混合型工作介质 |
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KR101892880B1 (ko) | 2018-08-28 |
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EP3208555A1 (en) | 2017-08-23 |
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US10393391B2 (en) | 2019-08-27 |
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