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2. 发明授权

EP4134603B1 REFRIGERATION CYCLE DEVICE 有权
公开(公告)号：EP4134603B1
公开(公告)日：2024-08-14
申请号：EP20930550.7
申请日：2020-04-07
IPC分类号： F25B43/00 , F25B1/00 , F25B13/00 , F25B41/39 , F25B49/02 , F25B31/00
CPC分类号： F25B49/02 , F25B41/39 , F25B13/00 , F25B2400/2320130101 , F25B2600/250920130101 , F25B2700/2115220130101 , F25B2500/0720130101 , F25B2400/05420130101 , F25B2400/05320130101 , F25B31/006 , F25B2600/251520130101 , F25B41/20

3. 发明公开

EP4375591A1 AIR CONDITIONER CONTROL METHOD AND APPARATUS, AIR CONDITIONER, AND STORAGE MEDIUM 审中-实审
公开(公告)号：EP4375591A1
公开(公告)日：2024-05-29
申请号：EP22847860.8
申请日：2022-03-23
申请人： Midea Group Co., Ltd. , GD Midea Air-Conditioning Equipment Co., Ltd.
发明人： XIAO, Yang , XIAO, Jiumin , LU, Jian , HUANG, Rupu , BI, Lin
IPC分类号： F25B43/00 , F25B6/04 , F25B40/02 , F25B41/00 , F25B49/02 , F25B1/00
CPC分类号： F25B49/02 , F25B2600/250920130101 , F25B2400/1320130101 , F25B2600/2320130101 , F25B6/04 , F25B40/02 , F25B2400/05420130101 , F25B41/00 , F25B1/00 , F25B2400/1620130101 , F25B2400/2320130101
摘要： The present application relates to the technical field of air conditioners. Disclosed are a method and a device for controlling an air conditioner, an air conditioner and a storage medium. After the air conditioner is started and runs for a period of time, the gas phase side valve is controlled to open to switch the air conditioner to the phase separation refrigeration mode. In the phase separation refrigeration mode, the gaseous low-temperature refrigerant can be separated through the gas-liquid separation device, and be controlled to reach the heat exchanger. The refrigerant at the outlet of the condenser is exchanged heat again through the gaseous low-temperature refrigerant and the heat exchanger, thereby improving the subcooling degree of the refrigerant at the outlet of the condenser, in order to increase the cooling capacity of the air conditioner.

4. 发明公开

EP4357698A3 REFRIGERATION AND HEAT PUMP SYSTEMS WITH PRESSURE EXCHANGERS 审中-实审
公开(公告)号：EP4357698A3
公开(公告)日：2024-05-29
申请号：EP24151534.5
申请日：2022-06-08
申请人： Energy Recovery, Inc.
发明人： THATTE, Azam Mihir , YAZDI, Behzad Zamanian , ANDERSON, David Deloyd , MCLEAN, JR., James Elliot , MARCHETTI, Joseph Michael , CHEN, Kuo-Chiang , GHASRIPOOR, Farshad , SARAWATE, Neelesh , SAMUDRALA, Omprakash
IPC分类号： F25B13/00 , F03G7/00 , F25B1/10 , F25B5/02 , F25B11/02 , F25B41/00 , F25B49/02 , F25B7/00 , F25B9/00
CPC分类号： Y02B30/70 , F03G7/00 , F25B49/02 , F25B2400/1420130101 , F25B2400/14120130101 , F25B2309/06120130101 , F25B9/008 , F25B2400/075120130101 , F25B1/10 , F25B5/02 , F25B2700/193320130101 , F25B2700/193120130101 , F25B2600/251320130101 , F25B2700/2117320130101 , F25B2700/2117220130101 , F25B7/00 , F25B2400/0620130101 , F25B2400/0520130101 , F25B2400/2320130101 , F25B2400/1320130101 , F25B11/02 , F25B41/00 , F25B2341/001420130101 , F25B2341/001220130101 , F25B2400/05420130101 , F25B6/04
摘要： A fluid handling system is provided. The system comprises: a pressure exchanger (PX) configured to receive a first fluid at a first pressure via a first inlet of the PX, receive a second fluid at a second pressure via a second inlet of the PX (310), and exchange pressure between the first fluid and the second fluid, wherein the first fluid is to exit the PX at a third pressure via a first outlet of the PX, and wherein the second fluid is to exit the PX at a fourth pressure via a second outlet of the PX; and a condenser configured to provide the first fluid to the PX via the first inlet and provide corresponding thermal energy from the first fluid to a first corresponding environment. The system further comprises a first evaporator configured to provide corresponding thermal energy from a second corresponding environment to a first portion of the first fluid output via the first outlet of the PX; a second evaporator configured to provide corresponding thermal energy from a third corresponding environment to a second portion of the first fluid output via the first outlet of the PX. The system further comprises a first compressor configured to receive at least a first output from the first evaporator, increase pressure of the first output from the first evaporator, and provide the first output from the first evaporator to the condenser; and a second compressor configured to receive at least the second output from the second evaporator, and increase pressure of the second output from the second evaporator.

6. 发明公开

EP4400786A1 A REFRIGERATION SYSTEM AND A METHOD OF OPERATING A REFRIGERATION SYSTEM 审中-公开
公开(公告)号：EP4400786A1
公开(公告)日：2024-07-17
申请号：EP23158026.7
申请日：2023-02-22
申请人： Thermo King LLC
发明人： DONNELLAN, Wayne , GREENE, Michael , NAYAK HEBRI, Gurudath
IPC分类号： F25B49/02 , F25B40/00 , F25B5/04 , F25B6/04
CPC分类号： F25B49/02 , F25B40/00 , F25B2400/05420130101 , F25B5/04 , F25B6/04 , F25B2700/2117420130101 , F25B2700/2117520130101
摘要： There is described a refrigeration system 100, 500 comprising a controller 190. The controller 190 is configured to: determine 220 one or more parameters of the refrigeration system 100, 500; determine 230 whether a first mode selection condition has been met and/or whether a second mode selection condition has been met based on the determined one or more parameters; select 240 a first mode 242 upon 334, 332' the first mode selection condition having been determined to have been met and/or upon 332, 334' the second mode selection condition having been determined to have not been met; select 240 a second mode 244 upon 332, 334' the second mode selection condition having been determined to have been met and/or upon 334, 332' the first mode selection condition having been determined to have not been met; and operate 260 the refrigeration system 100, 500 in the selected mode. Operating 260 the refrigeration system 100, 500 in the first mode comprises controlling the expansion valve 106 to bring a superheat of the refrigerant in the suction line 18 upstream of the liquid-suction heat exchanger 110 towards a first target superheat value or towards or within a first target range of superheat values, wherein the superheat of the refrigerant in the suction line 18 upstream of the liquid-suction heat exchanger 110 is determined based on the sensed temperature and pressure of the refrigerant in the suction line 18 upstream of the liquid-suction heat exchanger 110. Operating 260 the refrigeration system 100, 500 in the second mode comprises controlling the expansion valve 106 to bring a superheat of the refrigerant in the suction line 18 downstream of the liquid-suction heat exchanger 110 towards a second target superheat value or towards or within a second target range of superheat values, wherein the superheat of the refrigerant in the suction line 18 downstream of the liquid-suction heat exchanger 110 is determined based on the sensed temperature and pressure of the refrigerant in the suction line 18 downstream of the liquid-suction heat exchanger 110. There is also described a method 200, 200A-E' of operating a refrigeration system 100, 500.

7. 发明公开

EP4394279A1 HEATING, VENTILATION, AND AIR CONDITIONING SYSTEMS WITH THERMOELECTRIC GENERATOR 审中-公开
公开(公告)号：EP4394279A1
公开(公告)日：2024-07-03
申请号：EP23213948.5
申请日：2023-12-04
申请人： Honeywell International Inc.
发明人： BERGMAN, Kevin
IPC分类号： F25B21/02
CPC分类号： F25B21/02 , F25B2400/05420130101
摘要： A heating, ventilation, and air conditioning system includes an evaporator configured to provide a working fluid in a gaseous state at a first temperature range and a first pressure, and a compressor downstream from the evaporator. The compressor is configured to provide the working fluid in the gaseous state at a second temperature range and a second pressure, and the second temperature range is greater than the first temperature range and the second pressure greater than the first pressure. The system includes a first thermoelectric generator arranged between the evaporator and the compressor. A first end of the first thermoelectric generator is configured to receive the working fluid from the evaporator, and a second end is configured to receive the working fluid from the compressor. The first thermoelectric generator is configured to generate electrical energy based on a temperature difference between the first end and the second end.

8. 发明授权

EP3910262B1 REFRIGERATION CYCLE DEVICE 有权
公开(公告)号：EP3910262B1
公开(公告)日：2024-08-21
申请号：EP19908451.8
申请日：2019-01-09
IPC分类号： F25B1/00 , F28D7/10 , F25B40/02 , F25B40/06 , F28F13/00 , F28D21/00 , F28F1/40 , F28F13/18
CPC分类号： F25B1/00 , F25B40/02 , F25B40/06 , F25B2400/05420130101 , F25B2500/0920130101 , F28D7/106 , F28D2021/006820130101 , F28F13/187 , F28F1/40

9. 发明公开

EP4357702A3 CONTROL OF REFRIGERATION AND HEAT PUMP SYSTEMS THAT INCLUDE PRESSURE EXCHANGERS 审中-实审
公开(公告)号：EP4357702A3
公开(公告)日：2024-06-26
申请号：EP24154723.1
申请日：2022-06-08
申请人： Energy Recovery, Inc.
发明人： THATTE, Azam Mihir , TRUAX, Matthew Hans , GUSTAFSON, Michael Paul , MARCHETTI, Joseph Michael , MCLEAN, James Elliot, Jr. , ANDERSON, David Deloyd
IPC分类号： F25B13/00 , F25B1/10 , F25B5/02 , F25B7/00 , F25B9/00 , F25B11/02 , F25B41/00 , F25B49/02 , F03G7/00 , F25B6/04
CPC分类号： Y02B30/70 , F25B49/02 , F25B2400/1420130101 , F25B2400/14120130101 , F25B2309/06120130101 , F25B9/008 , F25B2400/075120130101 , F25B1/10 , F25B5/02 , F25B2700/193320130101 , F25B2700/193120130101 , F25B2600/251320130101 , F25B2700/2117320130101 , F25B2700/2117220130101 , F25B7/00 , F25B2400/0620130101 , F25B2400/0520130101 , F25B2400/2320130101 , F25B2400/1320130101 , F25B11/02 , F25B41/00 , F25B2341/001420130101 , F25B2341/001220130101 , F25B2400/05420130101 , F25B6/04 , F04F13/00
摘要： A method is provided. The method comprises: receiving (410) , by a processor (502), fluid density data indicative of a density of a fluid associated with an outlet of a pressure exchanger (PX) (310) of a heat transfer system; generating (412) a first control signal based on at least the fluid density data; and providing (414) the first control signal to a pump (314, 324). An outlet of the pump (314, 324) is fluidly coupled to an inlet of the PX (310), and the pump (314, 324) is configured to adjust a speed of operation of the pump based on the first control signal.

10. 发明公开

EP4386280A1 REFRIGERATION CIRCUIT WITH THERMAL STORAGE 审中-公开
公开(公告)号：EP4386280A1
公开(公告)日：2024-06-19
申请号：EP23217289.0
申请日：2023-12-15
申请人： Carrier Corporation
发明人： HELLMANN, Sascha , ANNAPRAGADA, Subramanyaravi , SHEN, Rebecca
IPC分类号： F25B41/20 , F25B49/02
CPC分类号： F25B49/02 , F25B41/20 , F25B2400/2420130101 , F25B2400/2320130101 , F25B2400/1320130101 , F25B2400/05120130101 , F25B2400/05320130101 , F25B2400/05420130101 , F25B9/008
摘要： A refrigeration circuit with thermal storage is disclosed. The circuit refrigeration comprises a gas-cooler (104) comprising an inlet, and an outlet, and a compressor unit (102) comprising one or more compressors (102). The outlet of the compressor unit (102) is fluidically connected to the inlet of the gas-cooler (104). The refrigeration circuit (100) comprises evaporators (108) comprising an inlet, and an outlet, where the outlet of the evaporators (108) is fluidically coupled to the inlet of the compressor unit (102). The refrigeration circuit (100) comprises a flash tank (106) fluidically connected between the gas-cooler (104) and the compressor unit (102), and the evaporators (108) and the compressor unit (102). Further, the circuit refrigeration comprises a thermal battery (110) fluidically coupled to the gas-cooler (104), the flash tank (106), the compressor unit (102), and the evaporators (108). The thermal battery (110) is used as a heat source and a heat sink based on the energy pricing of an electric grid to optimize the operation of the gas-cooler (104), evaporators (108), and the compressors (102).

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