WO2021044613A1 - 冷凍サイクル装置 - Google Patents

冷凍サイクル装置 Download PDF

Info

Publication number
WO2021044613A1
WO2021044613A1 PCT/JP2019/035176 JP2019035176W WO2021044613A1 WO 2021044613 A1 WO2021044613 A1 WO 2021044613A1 JP 2019035176 W JP2019035176 W JP 2019035176W WO 2021044613 A1 WO2021044613 A1 WO 2021044613A1
Authority
WO
WIPO (PCT)
Prior art keywords
refrigerant
filter
refrigeration cycle
oil
compressor
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.)
Ceased
Application number
PCT/JP2019/035176
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
照平 有田
覚 岡田
行雄 木口
敦史 馬場
優子 服部
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.)
Carrier Japan Corp
Original Assignee
Toshiba Carrier 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 Toshiba Carrier Corp filed Critical Toshiba Carrier Corp
Priority to CN201980096396.5A priority Critical patent/CN113841016A/zh
Priority to EP19944508.1A priority patent/EP3992543A4/en
Priority to PCT/JP2019/035176 priority patent/WO2021044613A1/ja
Priority to JP2021543914A priority patent/JPWO2021044613A1/ja
Publication of WO2021044613A1 publication Critical patent/WO2021044613A1/ja
Priority to US17/682,680 priority patent/US20220178601A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/003—Filters
    • 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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
    • 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

Definitions

  • An embodiment of the present invention relates to a refrigeration cycle apparatus.
  • CF 3 I has a small global warming potential and is flame-retardant. Impurities such as metal oxides are generated with the decomposition of CF 3 I. A refrigeration cycle device capable of suppressing the flow of impurities is required.
  • the problem to be solved by the present invention is to provide a refrigeration cycle apparatus capable of suppressing the flow of impurities.
  • the refrigeration cycle device of the embodiment has a refrigerant flow path.
  • the refrigerant flow path allows the refrigerant to flow through the compressor, condenser, expander and evaporator.
  • the refrigerant contains CF 3 I.
  • the refrigerant flow path has a filter capable of capturing iodine ions.
  • the circuit diagram of the refrigeration cycle apparatus of 1st Embodiment The circuit diagram of the refrigeration cycle apparatus of the 2nd Embodiment. Side view of the oil separator.
  • FIG. 1 is a circuit diagram of the refrigeration cycle device of the first embodiment.
  • the refrigeration cycle device 1 includes a compressor 2, a four-way valve 3, a first heat exchanger 4, an expansion device 5, a second heat exchanger 6, and a refrigerant flow path 8 through which a refrigerant flows. Has.
  • the refrigerant circulates in the refrigeration cycle device 1 while changing the phase.
  • the compressor 2 is, for example, a rotary type compressor.
  • the compressor 2 compresses the low-pressure gas refrigerant taken into the inside to obtain a high-temperature and high-pressure gas refrigerant.
  • An accumulator (gas-liquid separator) 2b is arranged on the upstream side of the compressor 2. The accumulator 2b separates the gas-liquid two-phase refrigerant and supplies the gaseous refrigerant to the compressor 2.
  • the four-way valve 3 reverses the flow direction of the refrigerant in the refrigerant flow path 8 of the first heat exchanger 4, the expansion device 5, and the second heat exchanger 6.
  • the refrigerant discharged from the compressor 2 circulates in the order of the first heat exchanger 4, the expansion device 5, and the second heat exchanger 6.
  • the first heat exchanger 4 functions as a condenser (heat exchanger)
  • the second heat exchanger 6 functions as an evaporator (heat absorber).
  • the four-way valve 3 is switched from the state shown in FIG. 1, the refrigerant discharged from the compressor 2 circulates in the order of the second heat exchanger 6, the expansion device 5, and the first heat exchanger 4.
  • the second heat exchanger 6 functions as a condenser (heat exchanger), and the first heat exchanger 4 functions as an evaporator (heat absorber).
  • the condenser dissipates heat from the high-temperature / high-pressure gas refrigerant discharged from the compressor 2, and turns the high-temperature / high-pressure gas refrigerant into a high-pressure liquid refrigerant.
  • the expansion device 5 lowers the pressure of the high-pressure liquid refrigerant sent from the condenser, and turns the high-pressure liquid refrigerant into a low-temperature / low-pressure gas-liquid two-phase refrigerant.
  • the evaporator converts the gas-liquid two-phase refrigerant sent from the expansion device 5 into a low-pressure gas refrigerant.
  • the evaporator when the low-pressure gas-liquid two-phase refrigerant vaporizes, the surroundings are cooled by removing the heat of vaporization from the surroundings.
  • the low-pressure gaseous refrigerant that has passed through the evaporator is taken into the inside of the compressor 2 described above via the accumulator 2b.
  • the refrigerant which is the working fluid, circulates while changing the phase between the gas and the liquid.
  • the refrigerant dissipates heat in the process of phase change from gas to liquid, and absorbs heat in the process of phase change from liquid to gas.
  • the refrigeration cycle device 1 performs heating, cooling, defrosting, and the like by utilizing heat dissipation or endothermic of the refrigerant.
  • the refrigerant contains trifluoroiodomethane (CF 3 I).
  • CF 3 I has a small global warming potential and is flame-retardant.
  • R466A is used as the refrigerant containing CF 3 I.
  • R466A is, R32 and 49 wt%, the R125 11.5 wt%, including CF 3 I 39.5 wt%.
  • CF 3 I contained in the refrigerant may be decomposed as follows.
  • M is a metal such as zinc (Zn), tin (Sn), silver (Ag), iron (Fe), and copper (Cu).
  • Fe and Cu are used as piping materials.
  • Zn is contained in brass, which is a piping material.
  • Sn and Ag are used as plating materials.
  • Water (H 2 O) is contained in a trace amount in the refrigerant.
  • CF 3 I decomposes metal M as a catalyst to generate hydrogen iodide (HI).
  • Hydrogen iodide reacts with metal M to generate metal iodide (MI).
  • I 2 ), metals (M) and the like may be generated.
  • Impurities such as metal oxide (MO), metal iodide (MI), and metal (M) generated by the decomposition of CF 3 I are aggregated and agglomerated while flowing through the refrigerant flow path 8.
  • the agglomerated impurities may clog the constituent members of the refrigeration cycle device 1.
  • impurities may block the flow path of the compressor 2 and the expansion device 5. If impurities clog the constituent members of the refrigeration cycle device 1, the refrigeration cycle device 1 cannot exhibit the desired performance.
  • the refrigerant flow path 8 of the refrigeration cycle device 1 has a filter 10 capable of capturing at least iodine ions.
  • the filter 10 captures and adsorbs iodine ions, which are the starting points of the decomposition reaction of CF 3 I.
  • the generation of impurities due to the decomposition of CF 3 I is suppressed, and the flow of impurities in the refrigerant flow path 8 is suppressed.
  • clogging of impurities in the constituent members of the refrigeration cycle device 1 is suppressed.
  • the refrigeration cycle device 1 can exhibit the desired performance. Further, as compared with the case where the stabilizer of CF 3 I is added to the refrigerant, the deterioration of the performance of the refrigerant is suppressed.
  • the filter 10 has an ion exchange resin as a filter material.
  • the ion exchange resin may be any as long as it can adsorb iodine ions.
  • a strongly basic anion exchange resin having a trimethylammonium group or a dimethylethanolammonium group as a functional group, or a weak base having dimethylamine or diethylenetriamine as a functional group.
  • Examples include sex ion exchange resins.
  • the filter 10 is capable of capturing water.
  • the filter 10 in this case contains a desiccant (dryer).
  • a desiccant dryer
  • the generation of iodine ions due to the decomposition of CF 3 I is suppressed.
  • the generation of impurities starting from the generation of iodine ions is suppressed, and the flow of impurities in the refrigerant flow path 8 is suppressed.
  • the filter 10 can capture impurities generated by the decomposition of CF 3 I.
  • the filter 10 in this case includes a mesh of a predetermined size. By trapping impurities in the filter 10, the flow of impurities in the refrigerant flow path 8 is suppressed. It is desirable that the filter 10 can capture iodine molecules generated by the decomposition of CF 3 I.
  • the rate of decomposition reaction of CF 3 I contained in the refrigerant increases as the temperature of the refrigerant increases.
  • a high-temperature gaseous refrigerant flows through the refrigerant flow path 8 between the first heat exchanger 4 or the second heat exchanger 6 that functions as a condenser and the compressor 2. Therefore, the filter 10 is arranged in the refrigerant flow path 8 between the compressor 2 and the condenser. With the switching of the four-way valve 3, the heat exchanger functioning as a condenser is switched. Therefore, the filter 10 is arranged in the refrigerant flow path 8 between the compressor 2 and the four-way valve 3. As a result, the filter 10 is always placed between the compressor 2 and the condenser.
  • the filter 10 is arranged at a place where the decomposition reaction of CF 3 I is active and the frequency of iodine ion generation is high.
  • the filter 10 can efficiently capture iodine ions. Therefore, the flow of impurities in the refrigerant flow path 8 is suppressed.
  • FIG. 2 is a circuit diagram of the refrigeration cycle device of the second embodiment.
  • the refrigeration cycle device 1 of the second embodiment is different from the first embodiment in that it has an oil separator 20.
  • the description of the second embodiment with respect to the same points as the first embodiment will be omitted.
  • the refrigeration cycle device 1 has an oil separator 20 in the refrigerant flow path 8 between the compressor 2 and the four-way valve 3.
  • the oil separator 20 separates the refrigerating machine oil contained in the refrigerant flowing through the refrigerant flow path 8.
  • the refrigerating machine oil is a lubricating oil that lubricates the sliding portion inside the compressor 2. Inside the compressor 2 that compresses the refrigerant, refrigerating machine oil is mixed with the refrigerant.
  • the oil separator 20 is arranged in the refrigerant flow path 8 immediately after the compressor 2. As a result, the outflow of refrigerating machine oil to the refrigerating cycle device 1 is suppressed.
  • FIG. 3 is a side view of the oil separator.
  • the oil separator 20 includes a separator main body 21, an inlet pipe 22, an outlet pipe 23, a partition plate 21d, a first oil return pipe 25, and a second oil return pipe 26.
  • the separator main body 21 is formed in a cylindrical shape. Both ends of the separator main body 21 are closed by bowl-shaped lid members.
  • the inlet pipe 22 allows the refrigerant to flow into the inside of the separator main body 21.
  • the inlet pipe 22 penetrates the outer peripheral surface of the separator main body 21 above the separator main body 21. Inside the separator body 21, the tip of the inlet pipe 22 curves toward the inner peripheral surface of the separator body 21.
  • the refrigerating machine oil contained in the refrigerant discharged from the tip of the inlet pipe 22 flows along the inner peripheral surface of the separator main body 21.
  • the oil separator 20 separates the refrigerating machine oil from the refrigerant by using centrifugal force.
  • the outlet pipe 23 sends the gaseous refrigerant from which the refrigerating machine oil is separated to the outside of the separator main body 21.
  • the outlet pipe 23 is arranged along the central axis of the separator main body 21.
  • the outlet pipe 23 penetrates the lid member at the upper end of the separator main body 21.
  • the partition plate 21d partitions the inside of the separator main body 21 into an oil separation section and an oil storage section.
  • the oil separating portion is the upper half portion of the separator main body 21 in which the inlet pipe 22 and the outlet pipe 23 are arranged.
  • the oil storage section is the lower half portion of the separator main body 21 in which the refrigerating machine oil 24 is stored.
  • the partition plate 21d is arranged at the center in the vertical direction inside the separator main body 21.
  • the partition plate 21d is formed in a funnel shape and has an opening in the center in the radial direction.
  • the refrigerating machine oil that has flowed along the inner peripheral surface of the oil separating portion of the separator main body 21 flows down to the partition plate 21d.
  • the refrigerating machine oil falls from the central opening of the partition plate 21d into the oil storage section.
  • the first oil return pipe 25 constantly returns the refrigerating machine oil 24 stored in the oil storage portion of the separator main body 21 to the compressor 2.
  • the first oil return pipe 25 supplies refrigerating machine oil to the upstream side of the accumulator 2b via the oil flow path 29 shown in FIG. As shown in FIG. 3, the first oil return pipe 25 penetrates the outer peripheral surface of the separator main body 21 above the oil storage portion of the separator main body 21.
  • the first oil return pipe 25 returns the refrigerating machine oil 24 stored beyond the height of the first oil return pipe 25 to the compressor 2.
  • the refrigerating machine oil 24 is stored in the oil storage section up to the height of the first oil return pipe 25.
  • the second oil return pipe 26 returns the refrigerating machine oil 24 stored in the oil storage portion of the separator main body 21 to the compressor 2 according to the state of the compressor 2.
  • the oil level of the refrigerating machine oil stored inside is detected.
  • the second oil return pipe 26 returns the refrigerating machine oil 24 to the compressor 2.
  • the second oil return pipe 26 supplies refrigerating machine oil to the upstream side of the accumulator 2b via the oil flow path 29 shown in FIG. As shown in FIG. 3, the second oil return pipe 26 penetrates the lid member at the lower end of the separator main body 21.
  • the second oil return pipe 26 has a solenoid valve 27. When the oil level inside the compressor 2 drops, the solenoid valve 27 is opened and the refrigerating machine oil 24 is supplied to the compressor 2.
  • the same filter 10 as in the first embodiment is attached to the oil separator 20.
  • the size and cost of the refrigeration cycle apparatus 1 can be suppressed as compared with the case where the oil separator 20 and the filter 10 are installed separately.
  • the filter 10 is arranged on the outlet side of the oil separator 20. All the refrigerant and refrigerating machine oil flowing through the refrigerating cycle device 1 need to pass through the filter 10. For that purpose, it is necessary to arrange the filter 10 in all of the outlet pipe 23, the first oil return pipe 25, and the second oil return pipe 26. In this case, the refrigeration cycle apparatus 1 may become large and costly.
  • the filter 10 is arranged at the inlet of the refrigerant flow path that allows the refrigerant to flow into the oil separator 20. That is, the filter 10 is arranged in the inlet pipe 22. All the refrigerant and the refrigerating machine oil flowing through the refrigerating cycle device 1 pass through the inlet pipe 22 of the oil separator 20. Therefore, one filter 10 may be arranged in the inlet pipe 22. Further, since the cross-sectional area of the inlet pipe 22 is small, it is not necessary to increase the cross-sectional area of the filter 10. As a result, the increase in size and cost of the refrigeration cycle device 1 can be suppressed.
  • the iodine ion capture performance of the filter 10 deteriorates with long-term use.
  • the filter 10 requires maintenance such as replacement.
  • the filter 10 is arranged outside the separator main body 21 of the oil separator 20.
  • the filter 10 is arranged in contact with the outer peripheral surface of the separator main body 21. This facilitates maintenance of the filter 10 as compared with the case where the filter 10 is arranged inside the separator main body 21.
  • the filter 10 is capable of capturing iodine ions. As a result, the distribution of impurities in the refrigeration cycle apparatus 1 can be suppressed.
  • Refrigerating cycle device 1 ... Refrigerating cycle device, 2 ... Compressor, 4 ... First heat exchanger (condenser, evaporator), 5 ... Expansion device, 6 ... Second heat exchanger (evaporator, condenser), 8 ... Refrigerant flow Road, 10 ... filter, 20 ... oil separator.

Landscapes

  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
PCT/JP2019/035176 2019-09-06 2019-09-06 冷凍サイクル装置 Ceased WO2021044613A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201980096396.5A CN113841016A (zh) 2019-09-06 2019-09-06 制冷循环装置
EP19944508.1A EP3992543A4 (en) 2019-09-06 2019-09-06 Refrigeration cycle device
PCT/JP2019/035176 WO2021044613A1 (ja) 2019-09-06 2019-09-06 冷凍サイクル装置
JP2021543914A JPWO2021044613A1 (https=) 2019-09-06 2019-09-06
US17/682,680 US20220178601A1 (en) 2019-09-06 2022-02-28 Refrigeration cycle device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/035176 WO2021044613A1 (ja) 2019-09-06 2019-09-06 冷凍サイクル装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/682,680 Continuation US20220178601A1 (en) 2019-09-06 2022-02-28 Refrigeration cycle device

Publications (1)

Publication Number Publication Date
WO2021044613A1 true WO2021044613A1 (ja) 2021-03-11

Family

ID=74853320

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/035176 Ceased WO2021044613A1 (ja) 2019-09-06 2019-09-06 冷凍サイクル装置

Country Status (5)

Country Link
US (1) US20220178601A1 (https=)
EP (1) EP3992543A4 (https=)
JP (1) JPWO2021044613A1 (https=)
CN (1) CN113841016A (https=)
WO (1) WO2021044613A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023053204A1 (ja) * 2021-09-28 2023-04-06 日立ジョンソンコントロールズ空調株式会社 空気調和機
JP7453480B1 (ja) * 2022-12-15 2024-03-19 三菱電機株式会社 冷凍サイクル装置および圧縮機

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024052951A1 (ja) * 2022-09-05 2024-03-14 日立ジョンソンコントロールズ空調株式会社 空気調和機
CN116538706B (zh) * 2023-06-07 2026-03-06 广东欧科空调制冷有限公司 多联式空调机组回油控制方法及系统

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0894215A (ja) * 1994-09-28 1996-04-12 Sanyo Electric Co Ltd 冷凍機用オイル分離器
JPH09196518A (ja) * 1996-01-16 1997-07-31 Matsushita Electric Ind Co Ltd 冷凍サイクル
JPH11228947A (ja) 1998-02-16 1999-08-24 Matsushita Electric Ind Co Ltd 混合作動流体およびそれを用いた冷凍サイクル装置
JP2007315663A (ja) * 2006-05-25 2007-12-06 Sanden Corp 冷凍装置
WO2009157325A1 (ja) * 2008-06-24 2009-12-30 三菱電機株式会社 冷凍サイクル装置及び空気調和装置
JP2010509486A (ja) * 2006-11-14 2010-03-25 ハネウェル・インターナショナル・インコーポレーテッド ヨウ素およびヨウ化物を除去する方法
JP2010121927A (ja) * 2008-10-22 2010-06-03 Panasonic Corp 冷却サイクル装置
JP2015038214A (ja) 2004-12-21 2015-02-26 ハネウェル・インターナショナル・インコーポレーテッド 安定化したヨードカーボン組成物
WO2015060407A1 (ja) * 2013-10-25 2015-04-30 三菱重工業株式会社 冷媒循環装置、冷媒循環方法および酸抑制方法
JP2016147815A (ja) * 2015-02-10 2016-08-18 宇部興産株式会社 フルオロヨードアルカンの吸着処理方法
US20190085224A1 (en) * 2017-09-19 2019-03-21 Honeywell International Inc. Heat transfer methods, systems and compositions

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100696715B1 (ko) * 2005-09-08 2007-03-20 주식회사 대우일렉트로닉스 공기조화기의 어큐뮬레이터
JP2007315638A (ja) * 2006-05-24 2007-12-06 Matsushita Electric Ind Co Ltd 冷凍サイクル装置
JPWO2014203355A1 (ja) * 2013-06-19 2017-02-23 三菱電機株式会社 冷凍サイクル装置
CN105579787B (zh) * 2013-09-24 2018-01-05 三菱电机株式会社 冷冻循环装置
CN204648778U (zh) * 2015-04-28 2015-09-16 北京市红苑制冷设备厂 制冷系统汽液分离过滤器
CN205014718U (zh) * 2015-08-28 2016-02-03 白文涛 一种储液分离装置
JP2017133813A (ja) * 2016-01-29 2017-08-03 ダイキン工業株式会社 冷凍装置
CN105890208A (zh) * 2016-04-18 2016-08-24 上海雷圣医疗设备有限公司 一种双制冷系统

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0894215A (ja) * 1994-09-28 1996-04-12 Sanyo Electric Co Ltd 冷凍機用オイル分離器
JPH09196518A (ja) * 1996-01-16 1997-07-31 Matsushita Electric Ind Co Ltd 冷凍サイクル
JPH11228947A (ja) 1998-02-16 1999-08-24 Matsushita Electric Ind Co Ltd 混合作動流体およびそれを用いた冷凍サイクル装置
JP2015038214A (ja) 2004-12-21 2015-02-26 ハネウェル・インターナショナル・インコーポレーテッド 安定化したヨードカーボン組成物
JP2007315663A (ja) * 2006-05-25 2007-12-06 Sanden Corp 冷凍装置
JP2010509486A (ja) * 2006-11-14 2010-03-25 ハネウェル・インターナショナル・インコーポレーテッド ヨウ素およびヨウ化物を除去する方法
WO2009157325A1 (ja) * 2008-06-24 2009-12-30 三菱電機株式会社 冷凍サイクル装置及び空気調和装置
JP2010121927A (ja) * 2008-10-22 2010-06-03 Panasonic Corp 冷却サイクル装置
WO2015060407A1 (ja) * 2013-10-25 2015-04-30 三菱重工業株式会社 冷媒循環装置、冷媒循環方法および酸抑制方法
JP2016147815A (ja) * 2015-02-10 2016-08-18 宇部興産株式会社 フルオロヨードアルカンの吸着処理方法
US20190085224A1 (en) * 2017-09-19 2019-03-21 Honeywell International Inc. Heat transfer methods, systems and compositions

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3992543A4

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023053204A1 (ja) * 2021-09-28 2023-04-06 日立ジョンソンコントロールズ空調株式会社 空気調和機
JPWO2023053204A1 (https=) * 2021-09-28 2023-04-06
JP7453480B1 (ja) * 2022-12-15 2024-03-19 三菱電機株式会社 冷凍サイクル装置および圧縮機
WO2024127577A1 (ja) * 2022-12-15 2024-06-20 三菱電機株式会社 冷凍サイクル装置および圧縮機

Also Published As

Publication number Publication date
EP3992543A1 (en) 2022-05-04
US20220178601A1 (en) 2022-06-09
EP3992543A4 (en) 2023-03-15
JPWO2021044613A1 (https=) 2021-03-11
CN113841016A (zh) 2021-12-24

Similar Documents

Publication Publication Date Title
US20220178601A1 (en) Refrigeration cycle device
EP3012555B1 (en) Refrigeration cycle device
US11661540B2 (en) Refrigeration apparatus
EP3306098B1 (en) Refrigeration cycle system
JPWO2009157325A1 (ja) 冷凍サイクル装置及び空気調和装置
JP2015172469A (ja) 気液分離器
TW201243258A (en) Oil separator
JP2015212601A (ja) ヒートポンプシステムにおける流体撹拌装置
EP2433061B1 (en) Refrigeration apparatus
EP3176520A1 (en) Air conditioner
CN107850345A (zh) 冷冻循环装置
JP2007147212A (ja) 冷凍装置
JP2011064409A (ja) 受液器およびそれを備えた冷凍回路
JPH1054627A (ja) 蒸発機用オイル分離装置
US1804836A (en) Scrubber for refrigerating apparatus
JPH06235570A (ja) 冷凍装置
JP3435164B2 (ja) 空知調和機
JP2021042878A (ja) 冷凍サイクル装置
CN114450538A (zh) 冷冻循环装置
KR20050074671A (ko) 냉동사이클장치
JP2017203571A (ja) 冷凍サイクル装置
JP6758080B2 (ja) 冷凍サイクル装置
JP2008151374A (ja) 蒸気圧縮式冷凍サイクル
JP2026001698A (ja) 冷凍装置及び冷凍サイクルシステム
JP2001132987A (ja) 空気調和機

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19944508

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2021543914

Country of ref document: JP

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 2019944508

Country of ref document: EP

Effective date: 20220125

NENP Non-entry into the national phase

Ref country code: DE