EP3279576A4 - Variable refrigerant flow system - Google Patents

Variable refrigerant flow system Download PDF

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Publication number
EP3279576A4
EP3279576A4 EP15887320.8A EP15887320A EP3279576A4 EP 3279576 A4 EP3279576 A4 EP 3279576A4 EP 15887320 A EP15887320 A EP 15887320A EP 3279576 A4 EP3279576 A4 EP 3279576A4
Authority
EP
European Patent Office
Prior art keywords
refrigerant flow
flow system
variable refrigerant
variable
refrigerant
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.)
Withdrawn
Application number
EP15887320.8A
Other languages
German (de)
French (fr)
Other versions
EP3279576A1 (en
Inventor
Junwei Chen
Guozhong Yang
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.)
Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co 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 Midea Group Co Ltd, GD Midea Heating and Ventilating Equipment Co Ltd filed Critical Midea Group Co Ltd
Publication of EP3279576A1 publication Critical patent/EP3279576A1/en
Publication of EP3279576A4 publication Critical patent/EP3279576A4/en
Withdrawn legal-status Critical Current

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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • 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
    • F24F3/06—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 arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
    • 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
    • F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • 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
    • 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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • 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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F24F11/89—Arrangement or mounting of control or safety devices
    • 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
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
    • 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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/54—Heating and cooling, simultaneously or alternatively
    • 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
    • F25B2313/007—Compression machines, plants or systems with reversible cycle not otherwise provided for three 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
    • F25B2313/0231—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with simultaneous cooling and heating
    • 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
    • F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel 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
    • F25B2313/029—Control issues
    • F25B2313/0292—Control issues related to reversing valves
    • 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
    • F25B2313/0311—Pressure sensors near the expansion valve
    • 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
    • F25B2400/23—Separators
    • 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
    • F25B2500/12—Sound
    • 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
    • F25B2600/2509—Economiser valves
    • 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
    • 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
    • F25B2600/2519—On-off valves
EP15887320.8A 2015-03-31 2015-12-22 Variable refrigerant flow system Withdrawn EP3279576A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510151648.3A CN104748239B (en) 2015-03-31 2015-03-31 Multiple on-line system
PCT/CN2015/098290 WO2016155370A1 (en) 2015-03-31 2015-12-22 Variable refrigerant flow system

Publications (2)

Publication Number Publication Date
EP3279576A1 EP3279576A1 (en) 2018-02-07
EP3279576A4 true EP3279576A4 (en) 2018-12-05

Family

ID=53588316

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15887320.8A Withdrawn EP3279576A4 (en) 2015-03-31 2015-12-22 Variable refrigerant flow system

Country Status (5)

Country Link
US (1) US20180340700A1 (en)
EP (1) EP3279576A4 (en)
CN (1) CN104748239B (en)
BR (1) BR112016030917A2 (en)
WO (1) WO2016155370A1 (en)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104748239B (en) * 2015-03-31 2017-10-31 广东美的暖通设备有限公司 Multiple on-line system
CN105066349B (en) * 2015-08-03 2017-10-27 珠海格力电器股份有限公司 The interior machine patten transformation control method and heat-reclamation multi-compressors of heat-reclamation multi-compressors
CN105115198B (en) * 2015-09-09 2017-10-31 广东美的暖通设备有限公司 Multiple on-line system and its control method
KR101726073B1 (en) * 2015-10-01 2017-04-11 엘지전자 주식회사 Air conditioning system
CN105737334B (en) * 2016-02-22 2018-11-20 广东美的暖通设备有限公司 Multi-line system and its mode switch control method
CN105737333B (en) * 2016-02-22 2018-09-07 广东美的暖通设备有限公司 Multi-line system and its mode switch control method
CN105571082B (en) * 2016-02-22 2018-06-29 广东美的暖通设备有限公司 Multi-line system and its mode switch control method
CN105737335B (en) * 2016-02-22 2018-09-07 广东美的暖通设备有限公司 Multi-line system and its mode switch control method
CN105757891B (en) * 2016-03-15 2018-07-10 广东美的暖通设备有限公司 Multi-line system and its control method for heating indoor unit
CN105674402B (en) * 2016-03-23 2018-10-16 广东美的暖通设备有限公司 Multi-line system and its mode switch control method
CN105864982B (en) * 2016-04-25 2019-01-22 广东美的暖通设备有限公司 Multi-online air-conditioning system and its control method
WO2018005670A1 (en) 2016-06-30 2018-01-04 Johnson Controls Technology Company Variable refrigerant flow system with multi-level model predictive control
US20180004171A1 (en) 2016-06-30 2018-01-04 Johnson Controls Technology Company Hvac system using model predictive control with distributed low-level airside optimization and airside power consumption model
US11789415B2 (en) 2016-06-30 2023-10-17 Johnson Controls Tyco IP Holdings LLP Building HVAC system with multi-level model predictive control
JP7406918B2 (en) 2016-06-30 2023-12-28 ジョンソン コントロールズ テクノロジー カンパニー Variable refrigerant flow system with predictive control and how to operate it
CN206001759U (en) * 2016-08-23 2017-03-08 广东美的暖通设备有限公司 Switching device for multi-gang air-conditioner and the multi-gang air-conditioner with it
CN106440455B (en) * 2016-09-19 2019-04-30 广东美的暖通设备有限公司 The method for handover control of multi-line system and its indoor unit operational mode
CN106766326B (en) * 2016-11-24 2019-04-30 广东美的暖通设备有限公司 Multi-line system and its refrigeration in press restricting element control method
CN106765892B (en) * 2016-11-29 2019-07-26 广东美的暖通设备有限公司 Multi-line system and its outdoor heat exchanger temperature-sensitive packet inspection method and device
CN106969524B (en) * 2016-12-29 2020-06-26 广东美的暖通设备有限公司 Air conditioner differential pressure balancing system and air conditioner differential pressure balancing method
US10816235B2 (en) 2017-04-27 2020-10-27 Johnson Controls Technology Company Building energy system with predictive control of battery and green energy resources
CN107238161B (en) * 2017-07-25 2020-05-08 广东美的暖通设备有限公司 Multi-split system and mode switching control method thereof
CN107975959B (en) * 2017-11-08 2023-09-22 宁波奥克斯电气股份有限公司 Multi-split air conditioning system and control method
FR3085468B1 (en) 2018-09-03 2020-12-18 Arkema France AIR CONDITIONING PROCESS
CN109386909B (en) * 2018-10-22 2020-10-16 广东美的暖通设备有限公司 Outdoor unit, oil return control method and air conditioner
CN109386984B (en) * 2018-10-22 2020-11-06 广东美的暖通设备有限公司 Two-pipe heating recovery multi-split air conditioner system and air conditioner outdoor unit thereof
CN109386987B (en) * 2018-10-22 2020-12-29 广东美的暖通设备有限公司 Two-pipe heating recovery multi-split air conditioner system and air conditioner outdoor unit thereof
CN109798628B (en) * 2019-01-25 2021-01-05 广东美的暖通设备有限公司 Method and device for controlling pressure difference of refrigerant flow dividing device
CN110296554B (en) * 2019-07-02 2020-08-25 珠海格力电器股份有限公司 Shunting assembly, shunting control method thereof and multi-connected air conditioner
CN110631285B (en) * 2019-09-30 2021-02-23 广东美的暖通设备有限公司 Multi-split system and control method thereof
CN111473468B (en) * 2020-04-24 2021-07-16 宁波奥克斯电气股份有限公司 Control method and device for reducing noise through adjustment of outer valve and air conditioner
CN111473467B (en) * 2020-04-24 2021-09-21 宁波奥克斯电气股份有限公司 Control method and device for reducing noise by controlling differential pressure and air conditioner
CN112032827A (en) * 2020-08-28 2020-12-04 青岛海尔空调电子有限公司 Oil return control method of multi-split air conditioning system
CN114216230B (en) * 2021-11-30 2023-05-16 青岛海尔空调器有限总公司 Method and device for controlling air conditioner, air conditioner and storage medium

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040093893A1 (en) * 2001-10-23 2004-05-20 Kenji Tanimoto Freezer
US20110048054A1 (en) * 2009-08-28 2011-03-03 Sanyo Electric Co., Ltd. Air conditioner
EP2354723A2 (en) * 2010-02-08 2011-08-10 LG Electronics Inc. Refrigerant system
CN203249455U (en) * 2012-03-27 2013-10-23 三菱电机株式会社 Air conditioning device
CN104364591A (en) * 2012-05-30 2015-02-18 三菱电机株式会社 Air conditioning device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4643002A (en) * 1985-09-26 1987-02-17 Carrier Corporation Continuous metered flow multizone air conditioning system
JPH0754217B2 (en) * 1989-10-06 1995-06-07 三菱電機株式会社 Air conditioner
US5237833A (en) * 1991-01-10 1993-08-24 Mitsubishi Denki Kabushiki Kaisha Air-conditioning system
JP3233447B2 (en) * 1992-06-02 2001-11-26 東芝キヤリア株式会社 Air conditioner
JPWO2003052326A1 (en) * 2001-12-14 2005-04-28 三菱電機株式会社 Air conditioner
JP4427310B2 (en) * 2003-12-18 2010-03-03 三菱重工業株式会社 Refrigeration apparatus and operation control method thereof
US8141623B2 (en) * 2007-05-01 2012-03-27 Blecker Joseph G Automatic switching two pipe hydronic system
KR101346448B1 (en) * 2007-09-03 2014-01-10 엘지전자 주식회사 Multi air conditioner system and auto changeover method for multi air conditioner system
EP2347196A1 (en) * 2008-11-11 2011-07-27 Carrier Corporation Heat pump system and method of operating
JP5774121B2 (en) * 2011-11-07 2015-09-02 三菱電機株式会社 Air conditioner
JP2013181695A (en) * 2012-03-01 2013-09-12 Fujitsu General Ltd Air conditioning device
JP6031931B2 (en) * 2012-10-03 2016-11-24 株式会社デンソー Refrigeration cycle equipment
CN103471294B (en) * 2013-09-06 2015-12-02 青岛海信日立空调系统有限公司 Based on the part flow arrangement of multi-connected air conditioning system noise reduction
CN104515335B (en) * 2013-10-08 2017-09-26 翰昂汽车零部件有限公司 Vehicle heat pump
CN104748239B (en) * 2015-03-31 2017-10-31 广东美的暖通设备有限公司 Multiple on-line system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040093893A1 (en) * 2001-10-23 2004-05-20 Kenji Tanimoto Freezer
US20110048054A1 (en) * 2009-08-28 2011-03-03 Sanyo Electric Co., Ltd. Air conditioner
EP2354723A2 (en) * 2010-02-08 2011-08-10 LG Electronics Inc. Refrigerant system
CN203249455U (en) * 2012-03-27 2013-10-23 三菱电机株式会社 Air conditioning device
CN104364591A (en) * 2012-05-30 2015-02-18 三菱电机株式会社 Air conditioning device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016155370A1 *

Also Published As

Publication number Publication date
BR112016030917A2 (en) 2017-08-22
US20180340700A1 (en) 2018-11-29
CN104748239A (en) 2015-07-01
EP3279576A1 (en) 2018-02-07
WO2016155370A1 (en) 2016-10-06
CN104748239B (en) 2017-10-31

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