ClassID:

159496

F25B2500/24 - CPC Classification

Classification description:

Problems to be solved Low amount of refrigerant in the system

Recent Application in this class:
#1
20250180262
2025-06-05

INTELLIGENT CHARGE COMPENSATION IN A HEAT PUMP SYSTEM

#2
20250164168
2025-05-22

HEAT SOURCE UNIT AND REFRIGERATION APPARATUS

#3
20250052463
2025-02-13

COOLING CIRCUIT FOR A SYSTEM FOR SUPPLYING AND COOLING A GAS

#4
20250035353
2025-01-30

SYSTEMS AND METHODS FOR HEAT PUMP SYSTEMS FOR CHARGE MANAGEMENT

#5
20240230191
2024-07-11

AIR CONDITIONER AND CONTROL METHOD THEREOF

#6
20240191922
2024-06-13

Intelligent charge compensation in a heat pump system

#7
20240133603
2024-04-25

AIR CONDITIONER AND CONTROL METHOD THEREOF

#8
20240125525
2024-04-18

REFRIGERATOR AND METHOD FOR CONTROLLING THE SAME

#9
20230288105
2023-09-14

Heat pump and control method therefor

#10
20230272954
2023-08-31

Refrigeration device and method for determining amount of refrigerant in refrigeration device

#11
20230235933
2023-07-27

Air conditioner

#12
20230182527
2023-06-15

Injection-type heat exchange module and thermal management system for vehicle applying the same

#13
20230168012
2023-06-01

Method for monitoring a refrigerant charge in a vapour compression system

#14
20220381495
2022-12-01

Dynamic liquid receiver and control strategy

#15
20220325911
2022-10-13

AIR CONDITIONER AND CONTROLLING METHOD THEREOF

#16
20220186999
2022-06-16

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

#17
20220120484
2022-04-21

Refrigeration apparatus having input operation modes

#18
20210092496
2021-03-25

SYSTEMS AND METHODS FOR ASSESSING A CONDITION OF A VEHICLE REFRIGERATION SYSTEM

#19
20200333056
2020-10-22

REFRIGERATION CYCLE APPARATUS

#20
20200003467
2020-01-02

HVAC refrigerant charging and relieving systems and methods

#21
20190212043
2019-07-11

Refrigeration system and method for automated charging and start-up control

#22
20190203999
2019-07-04

Redistributing refrigerant between an evaporator and a condenser of a vapor compression system

#23
20190203995
2019-07-04

Refrigeration device having condenser unit connected to compressor unit with on-site pipe interposed therebetween and remote from the compressor unit

#24
20190032975
2019-01-31

Manifold sightglass for charging microchannel system

#25
20180372354
2018-12-27

Method for solving charge imbalance in existing split heat pump

#26
20180363963
2018-12-20

System and method for checking and calibrating scale for measuring fluid in refrigerant recovery system

#27
20180363926
2018-12-20

Method of monitoring charge condition of heat pump system

#28
20180340719
2018-11-29

DETECTION OF LACK OF REFRIGERANT IN A COOLING SYSTEM HAVING MULTIPLE COOLING LOCATIONS

#29
20180340714
2018-11-29

Air conditioner

#30
20180252443
2018-09-06

Air conditioner

#31
20180238599
2018-08-23

Refrigerant charge detection for ice machines

#32
20180195779
2018-07-12

Subsystem for a vapour-compression system, a vapour-compression system, and a method for a vapour-compression system

#33
20180149396
2018-05-31

Refrigeration cycle device

#34
20180128529
2018-05-10

System and method for charging a refrigeration system

#35
20180128528
2018-05-10

System and method for charging a refrigeration system

#36
20180100680
2018-04-12

Discharge pressure calculation from torque in an HVAC system

#37
20180073789
2018-03-15

Refrigeration system with superheating, sub-cooling and refrigerant charge level control

#38
20180073782
2018-03-15

Refrigeration cycle apparatus

#39
20180051922
2018-02-22

Refrigeration cycle apparatus and refrigeration cycle apparatus abnormality detecting system

#40
20180045445
2018-02-15

System for refrigerant charge verification

#41
20180038621
2018-02-08

Refrigeration cycle apparatus determining refrigerant condenser amount

#42
20180010832
2018-01-11

Digital monitoring and measuring air conditioner recharging system

#43
20170336113
2017-11-23

Refrigeration system and method for automated charging and start-up control

#44
20170284695
2017-10-05

Variable refrigerant volume system and control method thereof

#45
20170074551
2017-03-16

Refrigeration apparatus

#46
20170051958
2017-02-23

Portable refrigerant charge meter and method for determining the actual refrigerant charge in HVAC systems

#47
20170045278
2017-02-16

Active refrigerant charge compensation for refrigeration and air conditioning systems

#48
20160327303
2016-11-10

Air-conditioning apparatus with operability based on flammable refrigerant concentration information in outdoor unit

#49
20160223234
2016-08-04

Charge control system for trans-critical vapor cycle systems

#50
20160216017
2016-07-28

System and method for detecting low refrigerant charge in a refrigeration system

#51
20160146521
2016-05-26

Refrigeration cycle apparatus

#52
20160061500
2016-03-03

Method to detect low charge levels in a refrigeration circuit

#53
20160047584
2016-02-18

Refrigerant charge detection for ice machines

#54
20160018134
2016-01-21

Brayton cycle type refrigerating apparatus

#55
20150377532
2015-12-31

Active refrigerant charge compensation for refrigeration and air conditioning systems

#56
20150266358
2015-09-24

Vehicle air conditioner with a refrigerant circuit

#57
20150168044
2015-06-18

Air conditioner and method of controlling an air conditioner

#58
20150135748
2015-05-21

Heat pump system with refrigerant charge diagnostics

#59
20150027138
2015-01-29

Discharge pressure calculation from torque in an HVAC system

#60
20140299289
2014-10-09

Heat-pump system with refrigerant charge diagnostics

#61
20140260390
2014-09-18

System for refrigerant charge verification

#62
20140260342
2014-09-18

System for refrigerant charge verification using two condenser coil temperatures

#63
20140174114
2014-06-26

Refrigerant charge assisting device, air-conditioning apparatus, and refrigerant charge assisting program

#64
20130061614
2013-03-14

Air conditioner and method for controlling the same

#65
20110091619
2011-04-21

Method and apparatus for producing frozen products

#66
20090255284
2009-10-15

Air conditioner

#67
20090151378
2009-06-18

Refrigeration system

#68
20090077985
2009-03-26

Refrigerating Apparatus

#69
20090019879
2009-01-22

Refrigeration System

#70
20080127667
2008-06-05

System pressure actuated charge compensator

#71
20060179868
2006-08-17

Multi type air-conditioner and control method thereof

#72
20060179856
2006-08-17

Multi type air-conditioner and control method thereof

#73
20060144059
2006-07-06

Method and control for determining low refrigerant charge

#74
20060026979
2006-02-09

Multi air conditioning system and method for operating the same

#75
20050235675
2005-10-27

Heat pump and compressor discharge pressure controlling apparatus for the same

#76
20050155368
2005-07-21

Method for controlling multi-type air conditioner

#77
20050132728
2005-06-23

Refrigerant system pressure control for storage and transportation

#78
13226520
2015-10-27

Cost-effective remote monitoring, diagnostic and system health prediction system and method for vapor compression and heat pump units based on compressor discharge line temperature sampling