JP2007170769A - 空気調和機 - Google Patents
空気調和機 Download PDFInfo
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- JP2007170769A JP2007170769A JP2005371785A JP2005371785A JP2007170769A JP 2007170769 A JP2007170769 A JP 2007170769A JP 2005371785 A JP2005371785 A JP 2005371785A JP 2005371785 A JP2005371785 A JP 2005371785A JP 2007170769 A JP2007170769 A JP 2007170769A
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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
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/153—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification with subsequent heating, i.e. with the air, given the required humidity in the central station, passing a heating element to achieve the required temperature
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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
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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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
- 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
- F25B2313/0232—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with bypasses
- F25B2313/02321—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with bypasses during cooling
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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
- 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
- F25B2313/0234—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in series arrangements
- F25B2313/02343—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in series arrangements during dehumidification
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor arrangements
- F25B2313/0314—Temperature sensors near the indoor heat exchanger
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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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/02—Humidity
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1931—Discharge pressures
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2104—Temperatures of an indoor room or compartment
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
【解決手段】冷媒を循環させる配管に、アキュムレータ7、圧縮機8、四方弁6、室外熱交換器9及び室外膨張弁10を備えた室外機2と、第1の室内熱交換器15、逆止弁16、室内膨張弁17、第2の室内熱交換器18及び第1の室内熱交換器15と逆止弁16をバイパスする配管19に設けられた室内電磁弁20を備えた室内機3とを設けて冷凍サイクルを形成してなる空気調和機1において、再熱除湿運転時に、室内電磁弁20が閉じた信号に基づいて、圧縮機8の吐出側の冷媒温度を設定温度低下させる制御手段を設ける。また、再熱除湿運転時は、室内膨張弁17の開度を制御して、冷房運転時は、室外膨張弁10の開度を制御する制御手段を設ける。
【選択図】 図1
Description
Tdo=Tc(Pd)+SHa
Tdoは通常時目標吐出ガス温度であり、Tcは凝縮温度、Pdは吐出ガス圧力、SHaは通常吐出ガス過熱度である。
ここで、通常吐出ガス過熱度SHaは通常25〜40℃程度に設定される。また、通常時目標吐出ガス温度Tdoは圧縮機の信頼性確保のため、以下の式のように上限Tdomaxと下限Tdominが設定されている。
Tdomin<Tdo<Tdomax
アキュムレータ7のかわき度が0.95程度になるように室内膨張弁17の開度を制御しているので、図3に示すように、アキュムレータ7内には液冷媒が溜まり込むことなく運転されるため、凝縮器である室外熱交換器9には必要冷媒量が供給される。このため、室外熱交換器9の出口では完全に凝縮した液冷媒状態となる。これにより、図4のモリエル線図に示すように再熱器である第1の室内熱交換器15でのエンタルピ差は小さくなり、再熱能力が小さくなる。
Tdor=Tc(Pd)+SHb
Tdorは再熱除湿運転時目標吐出ガス温度であり、Tcは凝縮温度、Pdは吐出ガス圧力、SHbは再熱除湿時時吐出ガス過熱度である。
また、上記と同様に、再熱除湿運転時目標吐出ガス温度Tdoは圧縮機の信頼性確保のため、以下の式のように上限Tdomaxと下限Tdominが設定されている。
Tdomin<Tdor<Tdomax
ここで、再熱除湿運転時吐出ガス過熱度SHbは通常時時時吐出ガス過熱度SHaよりも低く設定されており、例えば15〜25℃程度に設定される。また、図4、図5のΔPLは、液側接続配管5における圧力損失を模擬的に示したものである。
2 室外機
3 室内機
6 四方弁
7 アキュムレータ
8 圧縮機
9 室外熱交換器
10 室外膨張弁
15 第1の室内熱交換器
16 逆止弁
17 室内膨張弁
18 第2の室内熱交換器
19 バイパス配管
20 室内電磁弁
Claims (3)
- 冷媒を循環させる配管に、アキュムレータ、圧縮機、四方弁及び室外熱交換器を備えた室外機と、第1の室内熱交換器、逆止弁、室内膨張弁、第2の室内熱交換器及び前記第1の室内熱交換器と前記逆止弁をバイパスする配管に設けられた室内電磁弁を備えた室内機とを設けて冷凍サイクルを形成してなる空気調和機において、再熱除湿運転時に、前記室内電磁弁が閉じた信号に基づいて、前記圧縮機の吐出側の前記冷媒温度を設定温度低下させる制御手段を設けたことを特徴とする空気調和機。
- 冷媒を循環させる配管に、アキュムレータ、圧縮機、四方弁及び室外熱交換器を備えた室外機と、第1の室内熱交換器、逆止弁、室内膨張弁、第2の室内熱交換器及び前記第1の室内熱交換器と前記逆止弁をバイパスする配管に設けられた室内電磁弁を備えた室内機とを設けて冷凍サイクルを形成してなる空気調和機において、再熱除湿運転時に、前記室内電磁弁が閉じた信号に基づいて、前記室内膨張弁の開度を設定開度大きくする制御手段を設けたことを特徴とする空気調和機。
- 冷媒を循環させる配管に、アキュムレータ、圧縮機、四方弁、室外熱交換器及び室外膨張弁を備えた室外機と、第1の室内熱交換器、逆止弁、室内膨張弁、第2の室内熱交換器及び前記第1の室内熱交換器と前記逆止弁をバイパスする配管に設けられた室内電磁弁を備えた室内機とを設けて冷凍サイクルを形成してなる空気調和機において、再熱除湿運転時に、前記室内電磁弁が閉じた信号に基づいて、前記室内膨張弁の開度を制御し、冷房運転時に、前記室内電磁弁が開いた信号に基づいて、前記室外膨張弁の開度を制御する制御手段を設けたことを特徴とする空気調和機。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005371785A JP4730738B2 (ja) | 2005-12-26 | 2005-12-26 | 空気調和機 |
DE602006010312T DE602006010312D1 (de) | 2005-12-26 | 2006-12-21 | Klimaanlage |
EP06256498A EP1801520B1 (en) | 2005-12-26 | 2006-12-21 | Air conditioning system |
ES06256498T ES2335302T3 (es) | 2005-12-26 | 2006-12-21 | Sistema de acondicionador de aire. |
CN2006101725028A CN1991276B (zh) | 2005-12-26 | 2006-12-26 | 空气调节器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005371785A JP4730738B2 (ja) | 2005-12-26 | 2005-12-26 | 空気調和機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007170769A true JP2007170769A (ja) | 2007-07-05 |
JP4730738B2 JP4730738B2 (ja) | 2011-07-20 |
Family
ID=37846368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005371785A Expired - Fee Related JP4730738B2 (ja) | 2005-12-26 | 2005-12-26 | 空気調和機 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1801520B1 (ja) |
JP (1) | JP4730738B2 (ja) |
CN (1) | CN1991276B (ja) |
DE (1) | DE602006010312D1 (ja) |
ES (1) | ES2335302T3 (ja) |
Cited By (4)
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CN102645056A (zh) * | 2011-02-16 | 2012-08-22 | 广东美芝制冷设备有限公司 | 用于可燃制冷剂的制冷装置 |
JP5578178B2 (ja) * | 2009-10-22 | 2014-08-27 | ダイキン工業株式会社 | 空気調和機 |
CN105987430A (zh) * | 2015-02-05 | 2016-10-05 | 佛山市禾才科技服务有限公司 | 一种家用空调及防止其凝露的方法 |
JP7112787B1 (ja) | 2021-12-02 | 2022-08-04 | 株式会社Fhアライアンス | 空調換気システム |
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JP5370551B1 (ja) * | 2012-07-31 | 2013-12-18 | ダイキン工業株式会社 | コンテナ用冷凍装置 |
JP6000053B2 (ja) * | 2012-10-15 | 2016-09-28 | ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー(ホンコン)リミテッド | 空気調和機 |
CN102927715B (zh) * | 2012-10-31 | 2015-07-01 | 青岛海信日立空调系统有限公司 | 多联机热泵空调系统及控制多联机热泵空调系统的方法 |
CN103017410B (zh) * | 2013-01-22 | 2016-09-21 | 北京丰联奥睿科技有限公司 | 一种冷暖式热管热泵复合循环系统 |
US9933170B2 (en) * | 2014-08-11 | 2018-04-03 | Lee Wa Wong | Water-cooled split air conditioning system |
GB2537105A (en) * | 2015-03-30 | 2016-10-12 | Mcgowan Gregory | Air conditioning system |
CN105115181B (zh) * | 2015-07-21 | 2018-06-26 | 上海海立电器有限公司 | 一种空调系统 |
CN106885403B (zh) * | 2015-12-16 | 2018-11-02 | 上海海立电器有限公司 | 显热潜热分离控制的空调系统 |
CN106885387A (zh) * | 2015-12-16 | 2017-06-23 | 上海日立电器有限公司 | 一种空调系统 |
CN106885388B (zh) * | 2015-12-16 | 2018-07-27 | 上海海立电器有限公司 | 一种空调系统 |
CN106885402B (zh) * | 2015-12-16 | 2019-01-29 | 上海海立电器有限公司 | 显热潜热分离控制的空调系统 |
US10345003B2 (en) * | 2016-05-02 | 2019-07-09 | Lee Wa Wong | Split-type air conditioning and heat pump system with energy efficient arrangement |
CN112771320B (zh) * | 2018-09-25 | 2022-08-02 | 东芝开利株式会社 | 空调装置 |
CN109855184B (zh) * | 2019-01-23 | 2020-12-25 | 青岛海尔空调器有限总公司 | 空调器及其除湿控制方法 |
CN110207330B (zh) * | 2019-06-04 | 2021-05-04 | 广东美的暖通设备有限公司 | 空调器及其控制方法和装置 |
CN112797657A (zh) * | 2019-10-28 | 2021-05-14 | 广东美的制冷设备有限公司 | 空调器及其控制方法 |
CN114761107A (zh) * | 2019-12-12 | 2022-07-15 | 三菱电机株式会社 | 除湿装置 |
NL2025130B1 (en) | 2020-03-13 | 2021-10-19 | Air Supplies Holland B V | Climate control unit and system comprising the same |
CN114046612B (zh) * | 2021-11-02 | 2023-05-26 | 南京天加环境科技有限公司 | 具有双蒸发温度的空调\地暖\地冷多联系统 |
CN114263991B (zh) * | 2021-12-03 | 2024-01-30 | 雅凯热能技术(江苏)有限公司 | 一种新风除湿系统 |
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JP4544461B2 (ja) * | 2005-01-24 | 2010-09-15 | 日立アプライアンス株式会社 | 空気調和機 |
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Cited By (6)
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JP5578178B2 (ja) * | 2009-10-22 | 2014-08-27 | ダイキン工業株式会社 | 空気調和機 |
CN102645056A (zh) * | 2011-02-16 | 2012-08-22 | 广东美芝制冷设备有限公司 | 用于可燃制冷剂的制冷装置 |
CN105987430A (zh) * | 2015-02-05 | 2016-10-05 | 佛山市禾才科技服务有限公司 | 一种家用空调及防止其凝露的方法 |
JP7112787B1 (ja) | 2021-12-02 | 2022-08-04 | 株式会社Fhアライアンス | 空調換気システム |
WO2023100747A1 (ja) * | 2021-12-02 | 2023-06-08 | 株式会社Fhアライアンス | 空調換気システム |
JP2023082394A (ja) * | 2021-12-02 | 2023-06-14 | 株式会社Fhアライアンス | 空調換気システム |
Also Published As
Publication number | Publication date |
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ES2335302T3 (es) | 2010-03-24 |
DE602006010312D1 (de) | 2009-12-24 |
EP1801520B1 (en) | 2009-11-11 |
EP1801520A1 (en) | 2007-06-27 |
CN1991276A (zh) | 2007-07-04 |
CN1991276B (zh) | 2010-09-08 |
JP4730738B2 (ja) | 2011-07-20 |
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