ClassID:

159494

F25B2500/222 - CPC Classification

Classification description:

Problems to be solved; Preventing, detecting or repairing leaks of refrigeration fluids Detecting refrigerant leaks

Recent Application in this class:
#1
20260110471
2026-04-23

RELIABLE, FAST-RESPONSE, LOW-COST REFRIGERANT LEAKAGE DETECTION SENSOR

#2
20260085864
2026-03-26

REFRIGERANT EVACUATION AND CHARGE ADJUSTMENT MECHANISM

#3
20260055945
2026-02-26

REFRIGERATION SYSTEM AND CONTROL METHOD FOR REFRIGERATION SYSTEM

#4
20260022877
2026-01-22

REFRIGERATION CYCLE DEVICE

#5
20260009580
2026-01-08

Service Access Mechanism for Refrigerant Leak Sensors

#6
20250383133
2025-12-18

Refrigerant Circuits For HVAC Units

#7
20250377143
2025-12-11

THERMAL OPTIC DETECTION OF REFRIGERANT LEAKS

#8
20250369666
2025-12-04

REFRIGERANT MANIFOLD AND COOLING MODULE INCLUDING THE SAME

#9
20250354919
2025-11-20

Systems and Methods for Measuring Emissions from a Building

#10
20250347453
2025-11-13

DETECTION AND MITIGATION OF COOLANT LEAKS IN MULTIPLE BRANCH COOLANT SYSTEM

#11
20250347452
2025-11-13

DETECTION AND MITIGATION OF COOLANT LEAKS IN MULTIPLE BRANCH COOLANT SYSTEM VIA TEMPERATURE INDICATORS

#12
20250327607
2025-10-23

Method to Mitigate Catastrophic Failure of HVACR Equipment Charged with A3 Refrigerants

#13
20250314520
2025-10-09

SENSOR CIRCUIT FOR DETECTING REFRIGERANT AND RELATED METHOD

#14
20250314409
2025-10-09

SYSTEM AND METHOD FOR DETECTION OF REFRIGERANT LEAKS

#15
20250305737
2025-10-02

INDIRECT REFRIGERANT LEAK DETECTION

#16
20250305736
2025-10-02

REFRIGERANT LEAKAGE DETERMINATION METHOD AND REFRIGERATION CYCLE APPARATUS

#17
20250283641
2025-09-11

REFRIGERANT MANIFOLD

#18
20250271162
2025-08-28

HVAC MONITORING AND CONTROL SYSTEM AND METHOD

#19
20250257918
2025-08-14

REFRIGERANT LEAK MITIGATION FOR MULTI-CIRCUIT REFRIGERANT SYSTEMS

#20
20250230962
2025-07-17

System and Method for Evacuating a Refrigerant Leak in an HVAC System

#21
20250216134
2025-07-03

REFRIGERANT DETECTION APPARATUS, COMPUTER READABLE MEDIUM, AND REFRIGERANT DETECTION METHOD

#22
20250198676
2025-06-19

SYSTEM AND METHOD FOR IDENTIFYING A REFRIGERANT LEAK IN MULTIPLE REFRIGERATION CIRCUITS WITH ONE OR MORE COMPRESSORS

#23
20250172307
2025-05-29

AIR CONDITIONING SYSTEM AND METHOD OF ESTABLISHING A CONTROL LOGIC FOR SHUTOFF VALVE ACTUATION

#24
20250146724
2025-05-08

REFRIGERANT HEAT EXCHANGER, METHOD AND DEVICE FOR INSTALLING REFRIGERANT SENSOR, AND STORAGE MEDIUM

#25
20250123033
2025-04-17

VENTILATION AIR VALVE, AND AIR CONDITIONING UNIT THEREOF

#26
20250123014
2025-04-17

AIR CONDITIONING UNIT WITH A LEAK VENTILATION INDUCER

#27
20250116443
2025-04-10

REFRIGERANT AMOUNT MEASUREMENT SYSTEM AND REFRIGERANT USE SYSTEM

#28
20250067487
2025-02-27

System and method for identifying a refrigerant leak in multiple refrigeration circuits with one or more compressors

#29
20250044005
2025-02-06

ALARM

#30
20250044004
2025-02-06

SYSTEM AND METHOD FOR DETECTION OF REFRIGERANT LEAKS

#31
20250035356
2025-01-30

REFRIGERANT LEAK MITIGATION USING ISOLATION VALVES

#32
20250035355
2025-01-30

ARRANGEMENT FOR REFRIGERANT LEAK MANAGEMENT

#33
20250012497
2025-01-09

ARRANGEMENT FOR LEAKAGE DETECTION IN A COOLING SYSTEM

#34
20240337423
2024-10-10

SYSTEM WITH LEAK DETECTION FOR DETECTING REFRIGERANT LEAK

#35
20240310098
2024-09-19

REFRIGERATION CYCLE APPARATUS AND LEAKAGE INSPECTION METHOD FOR REFRIGERANT PIPING OF REFRIGERATION CYCLE APPARATUS

#36
20240302066
2024-09-12

AIR-CONDITIONING APPARATUS AND REFRIGERANT LEAKAGE DETECTION SYSTEM

#37
20240295353
2024-09-05

REFRIGERATION CYCLE APPARATUS, REFIGERANT LEAK DETECTION SYSTEM, AND INFORMATION PROCESSING APPARATUS

#38
20240288212
2024-08-29

REFRIGERATION SYSTEM AND METHOD OF DETERMINING A STATE OF CHARGE OF REFRIGERANT THEREIN

#39
20240272034
2024-08-15

AIRTIGHTNESS TESTING APPARATUS AND AIRTIGHTNESS TESTING METHOD

#40
20240247848
2024-07-25

RETROFIT FOR FAN CONTROL IN REFRIGERATED CASES

#41
20240230128
2024-07-11

AIR CONDITIONER

#42
20240219089
2024-07-04

REFRIGERATION SYSTEM AND METHOD OF DETERMINING A LOSS OF CHARGE OF REFRIGERANT THEREIN

#43
20240219087
2024-07-04

DETECTION SYSTEM FOR REFRIGERANT IN WATER

#44
20240191924
2024-06-13

REFRIGERANT LEAK DETERMINATION APPARATUS, CONTROL DEVICE, COMPUTER READABLE MEDIUM, AND REFRIGERANT LEAK DETERMINATION METHOD

#45
20240191920
2024-06-13

SYSTEMS AND METHODS FOR REFRIGERANT LEAK MITIGATION

#46
20240167744
2024-05-23

FLUID LEAKAGE DETECTION SYSTEM

#47
20240133613
2024-04-25

Refrigeration unit and method of assembling

#48
20240093922
2024-03-21

OPEN-CLOSE VALVE UNIT, AND REFRIGERATION APPARATUS EMPLOYING THE OPEN-CLOSE VALVE UNIT

#49
20240085076
2024-03-14

REFRIGERANT LEAKAGE MANAGEMENT SYSTEM

#50
20240085074
2024-03-14

Refrigeration cycle apparatus

#51
20240077237
2024-03-07

METHOD OF EVALUATING REFRIGERANT CHARGE WITHIN A REFRIGERATION CIRCUIT

#52
20240068723
2024-02-29

Refrigerant leakage detection system

#53
20240068722
2024-02-29

AIR CONDITIONING SYSTEM, REFRIGERANT STATE DETECTION METHOD AND COMPUTER-READABLE STORAGE MEDIUM

#54
20240068721
2024-02-29

SYSTEMS AND METHODS FOR REFRIGERANT LEAKAGE DIAGNOSIS

#55
20240053220
2024-02-15

DEFECT LOCATION ESTIMATION SYSTEM, METHOD OF ESTIMATING DEFECT LOCATION, AND NON-TRANSITORY STORAGE MEDIUM

#56
20240053074
2024-02-15

SYSTEMS AND METHODS OF REMOTE MONITORING OF REFRIGERATION AND COOLING SYSTEMS

#57
20240027085
2024-01-25

SYSTEMS AND METHODS FOR REFRIGERANT LEAK MANAGEMENT

#58
20230400208
2023-12-14

REFRIGERANT DETECTION SYSTEM WITH AUXILIARY CONTROL CIRCUITRY

#59
20230393058
2023-12-07

Systems and Methods for Measuring Emissions from a Building

#60
20230392844
2023-12-07

REFRIGERATION SYSTEM

#61
20230341160
2023-10-26

REFRIGERANT LEAK DETECTION USING A SENSOR-READING CONTEXT ANALYSIS

#62
20230332787
2023-10-19

Air-conditioning apparatus

#63
20230314055
2023-10-05

Systems and methods for transport climate control circuit management and isolation

#64
20230304713
2023-09-28

Refrigerant Quantity Diagnosis Device, Refrigerant System, and Refrigerant Quantity Diagnosis Method

#65
20230304712
2023-09-28

HVAC equipment with refrigerant gas sensor

#66
20230296301
2023-09-21

Refrigerant leak mitigation for multi-circuit refrigerant systems

#67
20230235907
2023-07-27

LEAKAGE DETECTION AND MITIGATION SYSTEM

#68
20230213254
2023-07-06

System with leak detection for detecting refrigerant leak

#69
20230213252
2023-07-06

Heating, ventilation, and air conditioning control system

#70
20230194137
2023-06-22

SYSTEMS AND METHODS FOR CONTROLLING VARIABLE REFRIGERANT FLOW SYSTEMS USING ARTIFICIAL INTELLIGENCE

#71
20230184618
2023-06-15

SYSTEMS AND METHODS FOR REFRIGERANT LEAK MANAGEMENT

#72
20230184480
2023-06-15

Refrigeration unit and method of assembling

#73
20230184473
2023-06-15

System and method for detecting refrigerant leakage and charging a climate-control system with refrigerant

#74
20230168012
2023-06-01

Method for monitoring a refrigerant charge in a vapour compression system

#75
20230145115
2023-05-11

HEAT PUMP SYSTEM AND CONTROLLER FOR CONTROLLING OPERATION OF THE SAME

#76
20230122568
2023-04-20

Heat pump system and controller for controlling operation of the same

#77
20230117306
2023-04-20

REFRIGERANT LEAKAGE DETECTION SENSOR FOR A HEAT PUMP AND AIR CONDITIONING APPARATUS INCLUDING SAME

#78
20230109334
2023-04-06

Refrigerant charge monitoring systems and methods for multiple evaporators

#79
20230107572
2023-04-06

Method and device for providing sub-cooling of refrigerants

#80
20230094980
2023-03-30

Environmental enclosure for a transport gas sensor

#81
20230085125
2023-03-16

Air-conditioning system with separate refrigerant leak sensors

#82
20230080672
2023-03-16

REFRIGERANT LEAK MITIGATION SYSTEM

#83
20230052745
2023-02-16

REFRIGERANT CYCLE APPARATUS

#84
20230029164
2023-01-26

HVAC equipment with refrigerant gas sensor

#85
20230003604
2023-01-05

Sensor assembly and refrigerant sensing system

#86
20230003404
2023-01-05

VALVE UNIT AND METHOD FOR ASSEMBLING THE SAME

#87
20220412625
2022-12-29

Refrigerant leak detection system and method

#88
20220412591
2022-12-29

Ceiling-mounted air conditioning unit for a heat pump comprising a refrigerant circuit with a refrigerant leakage sensor

#89
20220404079
2022-12-22

Leak mitigation system

#90
20220397320
2022-12-15

Refrigeration cycle apparatus

#91
20220390160
2022-12-08

HEAT PUMP DEVICE

#92
20220341612
2022-10-27

Robust gas sensor for harsh environments

#93
20220333806
2022-10-20

DUAL TEMPERATURE SENSOR ARRANGEMENT TO DETECT REFRIGERANT LEAK

#94
20220307740
2022-09-29

System and method for mitigating risk from a leaked refrigerant at evaporator coils

#95
20220307711
2022-09-29

Evaporator with one or more leak mitigation dampers

#96
20220297510
2022-09-22

Heated gas detector

#97
20220282897
2022-09-08

Systems and methods for determining a fault of an air system for heating, ventilation and/or cooling

#98
20220268499
2022-08-25

Compressor unit and refrigeration apparatus

#99
20220268492
2022-08-25

Refrigerant cycle apparatus

#100
20220268468
2022-08-25

Refrigerant leak detection and mitigation system and method

#101
20220243952
2022-08-04

Air conditioning apparatus

#102
20220235986
2022-07-28

Heating, ventilation, air conditioning, and refrigeration protection system

#103
20220235975
2022-07-28

Support system that supports design or construction of a refrigerant cycle apparatus

#104
20220221177
2022-07-14

Vehicle air conditioning system and control method of vehicle air conditioning system

#105
20220196510
2022-06-23

Hybrid fluorescent UV dye for refrigerant systems

#106
20220196304
2022-06-23

Refrigerant system operation sequences for leak prevention

#107
20220196272
2022-06-23

Access floor smart tile for refrigerant detection

#108
20220187001
2022-06-16

Air conditioner and method for controlling air conditioner

#109
20220187000
2022-06-16

Refrigerant leakage determination system

#110
20220186999
2022-06-16

REFRIGERANT CONDITION DETECTION DEVICE, REFRIGERANT CONDITION DETECTION METHOD, AND TEMPERATURE CONTROL SYSTEM

#111
20220186989
2022-06-16

Compressor unit and refrigeration apparatus

#112
20220186960
2022-06-16

Air conditioning and ventilating system that enhance ventilation in response to a refrigerant leakage

#113
20220170679
2022-06-02

Performance degradation diagnosis system for refrigeration cycle apparatus

#114
20220170654
2022-06-02

Method and apparatus for risk reduction during refrigerant leak

#115
20220146158
2022-05-12

REFRIGERANT CYCLE SYSTEM AND METHOD

#116
20220146132
2022-05-12

Ultraviolet (UV) light-based refrigerant leak detection system and method

#117
20220128282
2022-04-28

Refrigerant leak sensor measurement adjustment systems and methods

#118
20220128281
2022-04-28

Indoor unit of refrigeration apparatus

#119
20220128278
2022-04-28

Power element for refrigerant modulating valve

#120
20220120485
2022-04-21

Air-conditioning apparatus

#121
20220120484
2022-04-21

Refrigeration apparatus having input operation modes

#122
20220107135
2022-04-07

Detecting loss of charge in HVAC systems

#123
20220099346
2022-03-31

Refrigerant leak sensor power control systems and methods

#124
20220090979
2022-03-24

SYSTEMS AND METHODS FOR LEAK MANAGEMENT UTILIZING SUB-BAROMETRIC REFRIGERANT CONDUIT SLEEVES

#125
20220090833
2022-03-24

Refrigerant cycle apparatus having refrigerant leak detector used to control first and second shutoff valves

#126
20220090832
2022-03-24

Multi-air conditioner for heating and cooling operations

#127
20220082304
2022-03-17

Refrigerant isolation using a reversing valve

#128
20220065506
2022-03-03

Refrigerant cycle apparatus

#129
20220065505
2022-03-03

Multi-air conditioner for heating and cooling including a shut-off valve between indoor and outdoor units and control method thereof

#130
20220049884
2022-02-17

Retrofitting R410A HVAC products to handle flammable refrigerants

#131
20220049883
2022-02-17

Systems and methods for leak detection and refrigerant charging

#132
20220034568
2022-02-03

REFRIGERANT LEAKAGE DETERMINATION DEVICE, FREEZING DEVICE INCLUDING THIS REFRIGERANT LEAKAGE DETERMINATION DEVICE, AND REFRIGERANT LEAKAGE DETERMINATION METHOD

#133
20220034534
2022-02-03

Air-conditioning apparatus

#134
20220003471
2022-01-06

Refrigeration system leak detection

#135
20210404718
2021-12-30

Systems and methods for transport climate control circuit management and isolation

#136
20210396438
2021-12-23

METHOD FOR REAL-TIME DETECTING AND DEALING WITH AMMONIA LEAKAGE OF A MINI DIFFUSION-ABSORPTION AMMONIA REFRIGERATING APPARATUS USED FOR REFRIGERATORS, WINE CABINETS OR FREEZERS

#137
20210396412
2021-12-23

Air-conditioning apparatus

#138
20210381735
2021-12-09

Method and system for charge determination

#139
20210348820
2021-11-11

HEAT LOAD PROCESSING SYSTEM

#140
20210325068
2021-10-21

Air conditioner and cut-off valve

#141
20210318041
2021-10-14

AIR CONDITIONER AND FLOW PATH SWITCHING VALVE

#142
20210310678
2021-10-07

Systems and methods for refrigerant leak management

#143
20210293460
2021-09-23

Container refrigeration apparatus with impact event assessment and abnormality diagnosis

#144
20210293431
2021-09-23

Method and apparatus for refrigerant leak detection

#145
20210293430
2021-09-23

Air conditioning system with refrigerant leak management

#146
20210285840
2021-09-16

Gas leakage monitoring system

#147
20210278128
2021-09-09

REFRIGERATED CONTAINER PROVIDED WITH VENTILATION SYSTEM

#148
20210231329
2021-07-29

Air-conditioning device with refrigerant leak detection and control

#149
20210215413
2021-07-15

Refrigerant leak detector for a vending machine

#150
20210213802
2021-07-15

VENTILATION SYSTEM PROVIDED WITH A REFRIGERATED CONTAINER

#151
20210199360
2021-07-01

Air-conditioning apparatus

#152
20210199359
2021-07-01

Refrigerant leak detection system and method

#153
20210199358
2021-07-01

Transport refrigeration system and a CAN ID distributing method for the transport refrigeration system

#154
20210164678
2021-06-03

Method and apparatus for risk reduction during refrigerant leak

#155
20210148620
2021-05-20

Refrigeration apparatus with a refrigerant leakage detection and release mechanism

#156
20210140662
2021-05-13

HVAC system and method of circulating flammable refrigerant

#157
20210108857
2021-04-15

Detecting loss of charge in HVAC systems

#158
20210088263
2021-03-25

Method and system for charge determination

#159
20210041153
2021-02-11

Heating, ventilation, and air conditioning control system with refrigerant leak control

#160
20200412107
2020-12-31

Switchgear cabinet arrangement with a safety function, and a corresponding method

#161
20200386431
2020-12-10

Enclosure for gas detector

#162
20200363110
2020-11-19

Heat pump with hot water storage and refrigerant leak detection

#163
20200355420
2020-11-12

Method and apparatus for refrigerant detector calibration confirmation

#164
20200338958
2020-10-29

Leakage Sensor, Heating Unit, Absorption Cooling Device, Vehicle Including the Absorption Cooling Device and Method for Operating the Same

#165
20200318875
2020-10-08

Refrigeration apparatus with multiple utilization units and refrigerant flow control

#166
20200309434
2020-10-01

Diagnostic mode of operation to detect refrigerant leaks in a refrigeration circuit

#167
20200292215
2020-09-17

Condensate removal system for cold-climate heat pumps

#168
20200278140
2020-09-03

Method for refrigerant charge determination in a cooling circuit

#169
20200263881
2020-08-20

Heat pump system and method for controlling a heat pump system

#170
20200248919
2020-08-06

Refrigerant leak detection and mitigation system and method

#171
20200224940
2020-07-16

Refrigerant compressor system with leakage control for a control housing

#172
20200191456
2020-06-18

Low charge detection system for cooling systems

#173
20200166257
2020-05-28

Refrigeration cycle apparatus

#174
20200141601
2020-05-07

Systems and methods for refrigerant leak management

#175
20200124493
2020-04-23

System for delivering leak detection dye with a reclaim/recharge unit

#176
20200124305
2020-04-23

HVAC system and method of circulating flammable refrigerant

#177
20200110000
2020-04-09

Leak detection in a fluid compression system

#178
20200109881
2020-04-09

Heat-pump using apparatus

#179
20200088431
2020-03-19

Air conditioner with refrigerant leakage control

#180
20200080757
2020-03-12

Apparatus using a heat pump including a refrigerant leakage detector

#181
20200072516
2020-03-05

Apparatus for injecting a fluid in a pressurized air conditioning or refrigeration system

#182
20200072508
2020-03-05

Unit device of refrigeration cycle apparatus

#183
20200064036
2020-02-27

Refrigerant leak detection by use of fluid additive

#184
20200056802
2020-02-20

Method for setting the refrigerant charge amount in an air-conditioning apparatus

#185
20200049384
2020-02-13

Air-conditioning apparatus and air-conditioning system

#186
20200049361
2020-02-13

Refrigeration apparatus

#187
20200011580
2020-01-09

Refrigeration cycle apparatus

#188
20200011560
2020-01-09

Method of searching for refrigerant leak location

#189
20190390884
2019-12-26

HEAT-PUMP USING APPARATUS

#190
20190390883
2019-12-26

Injection devices for injecting additives

#191
20190390876
2019-12-26

Heat pump with refrigerant leak detection and pump-down method

#192
20190383533
2019-12-19

Refrigeration cycle apparatus

#193
20190368782
2019-12-05

Refrigeration cycle apparatus

#194
20190368752
2019-12-05

Refrigeration apparatus with shutoff valve

#195
20190338971
2019-11-07

Air-conditioner

#196
20190331378
2019-10-31

Refrigerator

#197
20190331377
2019-10-31

Refrigeration cycle apparatus

#198
20190323917
2019-10-24

Air cooling heat pump system, refrigerant leakage detection method and detection system air cooling heat pump system thereof

#199
20190316821
2019-10-17

DETECTION APPARATUS AND METHOD FOR REFRIGERANT LEAKAGE OF AIR SOURCE COOLING ONLY SYSTEM

#200
20190316820
2019-10-17

Detection apparatus and method for refrigerant leakage of air source heat pump system

#201
20190316800
2019-10-17

Data processing method, refrigerant leakage detection method, system failure detection method and system performance detection method

#202
20190301759
2019-10-03

Method of and system for detecting loss of refrigerant charge

#203
20190301750
2019-10-03

HEAT PUMP USE APPARATUS

#204
20190264965
2019-08-29

Air-conditioning apparatus and refrigerant leakage detection method

#205
20190264963
2019-08-29

Refrigeration system with leak detection

#206
20190242632
2019-08-08

Refrigeration apparatus

#207
20190242602
2019-08-08

Air conditioner

#208
20190226705
2019-07-25

Refrigeration system with utilization unit leak detection

#209
20190212042
2019-07-11

Air conditioner

#210
20190203997
2019-07-04

Refrigeration apparatus

#211
20190195542
2019-06-27

Retrofitting R410A HVAC products to handle flammable refrigerants

#212
20190186798
2019-06-20

Method and apparatus for refrigerant detector calibration confirmation

#213
20190186777
2019-06-20

Air conditioning system, air conditioning method, and control device

#214
20190170603
2019-06-06

Systems and methods for refrigerant leak management based on acoustic leak detection

#215
20190170602
2019-06-06

Refrigerant leak detection and management based on condensation from air samples

#216
20190170600
2019-06-06

SYSTEMS AND METHODS FOR DETECTING REFRIGERANT LEAKS IN HEATING, VENTILATING, AND AIR CONDITIONING (HVAC) SYSTEMS

#217
20190170599
2019-06-06

SYSTEMS AND METHODS FOR LEAK MANAGEMENT UTILIZING SUB-BAROMETRIC REFRIGERANT CONDUIT SLEEVES

#218
20190170598
2019-06-06

Refrigerant gas sensing system

#219
20190170415
2019-06-06

Diagnostic mode of operation to detect refrigerant leaks in a refrigeration circuit

#220
20190170414
2019-06-06

Heating, ventilation, and air conditioning control system

#221
20190170413
2019-06-06

ELECTRICAL MONITORING OF REFRIGERANT CIRCUIT

#222
20190170384
2019-06-06

Ultraviolet (UV) light-based refrigerant leak detection system and method

#223
20190170383
2019-06-06

Systems and methods for refrigerant leak management

#224
20190128764
2019-05-02

System, method, and tool for locating refrigerant leaks in air conditioning systems and the like

#225
20190071103
2019-03-07

Process for monitoring an air conditioning system of a railway vehicle and railway vehicle comprising an air conditioning system implementing this process

#226
20190063808
2019-02-28

REFRIGERATION CYCLE APPARATUS

#227
20190056133
2019-02-21

Distributed Climate-Control Systems and Methods with Distributed Protection against Refrigerant Loss

#228
20190024931
2019-01-24

Refrigeration cycle apparatus

#229
20190017718
2019-01-17

Refrigeration cycle apparatus

#230
20190011325
2019-01-10

Device for detecting refrigerant leak in refrigeration cycle

#231
20180347896
2018-12-06

Parallel loop intermodal container

#232
20180340714
2018-11-29

Air conditioner

#233
20180335219
2018-11-22

Heat pump system and method for controlling a heat pump system

#234
20180328628
2018-11-15

Method for detecting a loss of refrigerant charge of a refrigeration system

#235
20180313591
2018-11-01

Air-conditioning apparatus

#236
20180299169
2018-10-18

Refrigeration cycle apparatus

#237
20180292118
2018-10-11

REFRIGERATION CYCLE APPARATUS AND REFRIGERANT LEAKAGE DETECTION METHOD

#238
20180283725
2018-10-04

Air-conditioning system

#239
20180283719
2018-10-04

Air conditioning indoor unit with refrigerant leak detection

#240
20180283718
2018-10-04

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