ClassID:

159499

F25B2500/27 - CPC Classification

Classification description:

Problems to be solved characterised by the stop of the refrigeration cycle

Recent Application in this class:
#1
20260146770
2026-05-28

ROTARY COMPRESSOR, AIR CONDITIONING SYSTEM, AND CONTROL METHOD

#2
20250321034
2025-10-16

SYSTEM AND METHOD FOR OPERATION OF VARIABLE GEOMETRY DIFFUSER AS CHECK VALVE

#3
20240219090
2024-07-04

IMPROVED COOLING SYSTEM CONTROL

#4
20230147950
2023-05-11

SYSTEM AND METHOD FOR OPERATION OF VARIABLE GEOMETRY DIFFUSER AS CHECK VALVE

#5
20230109540
2023-04-06

Motor braking for air conditioning system

#6
20230052745
2023-02-16

REFRIGERANT CYCLE APPARATUS

#7
20220325929
2022-10-13

INITIAL POWER UP OR POWER OUTAGE REFRIGERANT PURGE

#8
20220235987
2022-07-28

Freezing device

#9
20220228597
2022-07-21

VACUUM PUMP FOR USE DURING MAINTENANCE OR COMMISSIONING OF AN HVAC-R SYSTEM, ADAPTER FOR A VACUUM PUMP, AND A METHOD OF PERFORMING A VACUUM TEST ON AN HVAC-R SYSTEM

#10
20220221200
2022-07-14

Refrigeration apparatus

#11
20220196310
2022-06-23

Control system for a vapor compression system

#12
20220196304
2022-06-23

Refrigerant system operation sequences for leak prevention

#13
20220107124
2022-04-07

Climate-control system and method of controlling the system

#14
20220074630
2022-03-10

Heat pump system and control method

#15
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

#16
20210364209
2021-11-25

Reverse rotation prevention in centrifugal compressor

#17
20210348820
2021-11-11

HEAT LOAD PROCESSING SYSTEM

#18
20210254864
2021-08-19

Vapor compression refrigeration system capable of operating in transcritical mode and method of operating such a system

#19
20210071924
2021-03-11

CONTROL METHOD FOR AIR CONDITIONER

#20
20210071923
2021-03-11

Method for controlling freezing of indoor unit, outdoor unit and/or unit connection pipe of air conditioner

#21
20210063037
2021-03-04

Controller and method for reducing standby time when controlling the number of chillers to be operated

#22
20210018236
2021-01-21

Air conditioner

#23
20200348060
2020-11-05

Method of monitoring a shutdown cycle of an air cycle machine of an aircraft

#24
20200326112
2020-10-15

Refrigeration cycle apparatus

#25
20200271364
2020-08-27

Pressure spike prevention in heat pump systems

#26
20200116407
2020-04-16

Method of control for economizer of transport refrigeration units

#27
20200072521
2020-03-05

Method and apparatus for balanced fluid distribution in tandem-compressor systems

#28
20190360110
2019-11-28

Method of operating water electrolysis system and water electrolysis system

#29
20190335615
2019-10-31

Apparatus integrated with cooling components and maintaining method thereof

#30
20190310005
2019-10-10

Method for optimizing pressure equalization in refrigeration equipment

#31
20190309989
2019-10-10

System for air-conditioning and hot-water supply

#32
20190264963
2019-08-29

Refrigeration system with leak detection

#33
20190257536
2019-08-22

System for air-conditioning and hot-water supply

#34
20190249920
2019-08-15

GRID VOLTAGE-OPERATED REFRIGERATING DEVICE

#35
20190212041
2019-07-11

System design for noise reduction of solenoid valve

#36
20190178513
2019-06-13

Fluid injection control system and fluid circulation system

#37
20190072301
2019-03-07

Domestic refrigeration appliance with a coolant circuit and method for operating a domestic refrigeration appliance with a coolant circuit

#38
20180363961
2018-12-20

AIR CONDITIONER

#39
20180274830
2018-09-27

Method and apparatus for common pressure and oil equalization in multi-compressor systems

#40
20180259233
2018-09-13

System design for noise reduction of solenoid valve

#41
20180245526
2018-08-30

Engine

#42
20180231290
2018-08-16

Cooling system with intermediate heat exchange fluid loop

#43
20180224175
2018-08-09

Liquid transfer pump cycle

#44
20180180333
2018-06-28

Liquid sensing for refrigerant-lubricated bearings

#45
20180175752
2018-06-21

Motor driving device, as well as refrigerator and device for operating compressor in which said motor driving device is used

#46
20180164019
2018-06-14

METHOD FOR CONTROLLING DEFROST OPERATION OF A REFRIGERATION SYSTEM

#47
20180156510
2018-06-07

System for controlling a refrigeration system with a parallel compressor

#48
20180142930
2018-05-24

Cooling system and a method for control thereof

#49
20180051922
2018-02-22

Refrigeration cycle apparatus and refrigeration cycle apparatus abnormality detecting system

#50
20180051704
2018-02-22

Heat pump

#51
20170314815
2017-11-02

Preheater for compressor

#52
20170268811
2017-09-21

Refrigeration cycle apparatus, and abnormality detection system for refrigeration cycle apparatus

#53
20170248356
2017-08-31

High pressure compressor and refrigerating machine having a high pressure compressor

#54
20170159666
2017-06-08

Method for pressure and temperature control of a fluid in a series of cryogenic compressors

#55
20170130717
2017-05-11

Electric compressor and refrigeration device having same

#56
20170030620
2017-02-02

METHOD AND APPARATUS FOR ADJUSTING MODE

#57
20160344185
2016-11-24

Harmonic current compensator and air-conditioning system

#58
20160327321
2016-11-10

Refrigeration apparatus

#59
20160258657
2016-09-08

Operation of a cascade air conditioning system with two-phase loop

#60
20160195317
2016-07-07

Expansion valve comprising a stop element

#61
20160129756
2016-05-12

Vehicular heat management system

#62
20160097579
2016-04-07

Refrigerator

#63
20160018148
2016-01-21

Refrigeration apparatus

#64
20160018147
2016-01-21

System and method for controlling a variable-capacity compressor

#65
20160010909
2016-01-14

Vehicular air conditioner

#66
20150285537
2015-10-08

Method of operating a refrigeration system in a null cycle

#67
20150219351
2015-08-06

Air-conditioning apparatus

#68
20150211778
2015-07-30

Refrigerator with energy consumption optimization using adaptive fan delay

#69
20150052917
2015-02-26

Constant temperature liquid circulation apparatus and temperature adjustment method for constant temperature liquid

#70
20150000315
2015-01-01

Refrigerant compressor

#71
20140352338
2014-12-04

Air-conditioning apparatus and railway vehicle air-conditioning apparatus

#72
20140338379
2014-11-20

Heat pump device, and air conditioner, heat pump water heater, refrigerator and freezing machine including heat pump device

#73
20140165630
2014-06-19

Method for controlling defrost operation of a refrigeration system

#74
20140056723
2014-02-27

Refrigerator with energy consumption optimization using adaptive fan delay

#75
20130213072
2013-08-22

Combined air-conditioning and hot-water supply system

#76
20130174590
2013-07-11

Economizer combined with a heat of compression system

#77
20130071266
2013-03-21

Motor-driven compressor

#78
20130025304
2013-01-31

LOADING AND UNLOADING OF COMPRESSORS IN A COOLING SYSTEM

#79
20120204582
2012-08-16

Apparatus for managing operation of freezing machine

#80
20120073317
2012-03-29

Refrigerator

#81
20120023984
2012-02-02

Air conditioner

#82
20110314841
2011-12-29

Heat pump and method of operation

#83
20110289959
2011-12-01

Air conditioning system having an improved internal heat exchanger

#84
20110283723
2011-11-24

REFRIGERATION CYCLE APPARATUS

#85
20110185754
2011-08-04

AIR-CONDITIONING APPARATUS

#86
20110083450
2011-04-14

Refrigerant System With Stator Heater

#87
20110056221
2011-03-10

Active stress control during rapid shut down

#88
20110048041
2011-03-03

Pressure relief in high pressure refrigeration system

#89
20100275616
2010-11-04

CRYOGENIC REFRIGERATOR AND CONTROL METHOD THEREFOR

#90
20100198409
2010-08-05

Sequencing of variable speed compressors in a chilled liquid cooling system for improved energy efficiency

#91
20100162742
2010-07-01

Refrigeration apparatus

#92
20100023171
2010-01-28

Refrigeration control systems and methods for modular compact chiller units

#93
20090301113
2009-12-10

Heat Source Apparatus , Heat Source System, And Method Of Controlling Heat Source Apparatus

#94
20090223233
2009-09-10

Indoor air quality improvement by re-evaporation control

#95
20090193820
2009-08-06

Refrigeration machine and operating method for it

#96
20090165484
2009-07-02

Humidity controller utilizing the pressure differential sensors for varying the compressor capacity

#97
20090094992
2009-04-16

Gas liquifier

#98
20090093909
2009-04-09

CONTROL SYSTEM AND A METHOD FOR CONTROLLING A REFRIGERATION SYSTEM COMPRISING TWO OR MORE COMPRESSORS

#99
20090084120
2009-04-02

Pressure based control of parallel compressors in multiple refrigeration units

#100
20090031740
2009-02-05

Expansion valve control system and method for air conditioning apparatus

#101
20090031738
2009-02-05

Refrigerating machine

#102
20080276635
2008-11-13

Air conditioning apparatus

#103
20080245082
2008-10-09

Lubrication system for touchdown bearings of a magnetic bearing compressor

#104
20080083236
2008-04-10

Method for controlling stop operation of air conditioner

#105
20080053120
2008-03-06

Air Conditioner

#106
20080000244
2008-01-03

Air conditioning cut-out circuit

#107
20070296379
2007-12-27

Generator start/stop controller

#108
20070235161
2007-10-11

Refrigerant based heat exchange system with compensating heat pipe technology

#109
20070157636
2007-07-12

Icemaker control system

#110
20070151270
2007-07-05

Refrigeration cycle

#111
20070151264
2007-07-05

Reduced compressor capacity controls

#112
20070107451
2007-05-17

Refrigerating apparatus

#113
20060254308
2006-11-16

Ejector cycle device

#114
20060218947
2006-10-05

Prevention of compressor unpowered reverse rotation in heat pump units

#115
20060123839
2006-06-15

Air conditioner and method for controlling the same

#116
20060086108
2006-04-27

Refrigerant containment vessel with thermal inertia and method of use

#117
20060037335
2006-02-23

Method for controlling solenoid valve of air-conditioner

#118
20050204757
2005-09-22

Refrigerated compartment with controller to place refrigeration system in sleep-mode

#119
20050198981
2005-09-15

System and apparatus controlling a variable speed compressor system

#120
20050115251
2005-06-02

Cooling apparatus and method

#121
20050103045
2005-05-19

Air conditioner

#122
20050081537
2005-04-21

Apparatus for preventing liquid refrigerant accumulation of air conditioner and method thereof

#123
20050072173
2005-04-07

Refrigerant cycle apparatus

#124
20050066684
2005-03-31

Compression mechanism for refrigeration system

#125
20050066673
2005-03-31

Pressure equalization system

#126
20050028552
2005-02-10

Vapor compression type refrigerating machine