ClassID:

159502

F25B2500/31 - CPC Classification

Classification description:

Problems to be solved Low ambient temperatures

Recent Application in this class:
#1
20250321036
2025-10-16

System and Method for Controlling Head Pressure in a Refrigeration System

#2
20250109898
2025-04-03

LOW AMBIENT TEMPERATURE HEAT PUMP WATER HEATER SYSTEMS, HEAT EXCHANGERS, AND METHODS THERETO

#3
20240384909
2024-11-21

MULTI-SPLIT AIR CONDITIONER AND CONTROL METHOD THEREFOR, STORAGE MEDIUM, AND ELECTRONIC DEVICE

#4
20240035724
2024-02-01

HVAC SYSTEM WITH OUTDOOR FAN SPEED CONTROL BYPASS

#5
20230314049
2023-10-05

HEAT PUMP CAPABLE OF OPERATING AT SUBZERO AMBIENT TEMPERATURES

#6
20230271477
2023-08-31

Vapor injection module and heat pump system using same

#7
20230143201
2023-05-11

Methods and systems for controlling integrated air conditioning systems

#8
20230128232
2023-04-27

Low ambient temperature heat pump water heater systems, heat exchangers, and methods thereto

#9
20220325928
2022-10-13

AIR-CONDITIONING APPARATUS

#10
20220275982
2022-09-01

Refrigeration cycle device

#11
20220214079
2022-07-07

Carbon dioxide refrigeration system with low temperature mode

#12
20220214068
2022-07-07

AIR-CONDITIONING DEVICE AND AIR-CONDITIONING SYSTEM

#13
20220205662
2022-06-30

Air-conditioning apparatus

#14
20220057126
2022-02-24

WATER HEATER AND METHOD OF OPERATING SAME

#15
20210404721
2021-12-30

Cooling system with compressor bypass

#16
20210316596
2021-10-14

Startup control systems and methods to reduce flooded startup conditions

#17
20210302085
2021-09-30

Refrigerated container refrigeration system capable of preventing freezing of container door

#18
20210285692
2021-09-16

Multiple stage refrigeration system and control method thereof

#19
20210247118
2021-08-12

Free cooling outdoor unit

#20
20210215406
2021-07-15

AUXILIARY HEAT SOURCE, AIR CONDITIONING SYSTEM WITH AUXILIARY HEAT SOURCE, AND METHOD THEREFOR

#21
20210215403
2021-07-15

Heat pump system, defrosting method for a heat pump system, and controller

#22
20210156602
2021-05-27

Bypass line for refrigerant

#23
20200355381
2020-11-12

Refrigeration system with heat recovery

#24
20200309430
2020-10-01

Intelligent defrost control method

#25
20200254848
2020-08-13

Heat pump secondary coolant loop heat exchanger defrost system for a motor vehicle

#26
20200189360
2020-06-18

Startup control systems and methods to reduce flooded startup conditions

#27
20200141615
2020-05-07

Heat pump arrangement having a controllable heat exchanger and method for producing a heat pump arrangement

#28
20200116396
2020-04-16

Refrigeration cycle apparatus performing a refrigerant circulation operation using a liquid pump

#29
20200103152
2020-04-02

Method to avoid fan cycling during low ambient operation

#30
20190383534
2019-12-19

Air-conditioning apparatus with pressure control for defrosting and heating

#31
20190346182
2019-11-14

Refrigeration cycle apparatus

#32
20190338991
2019-11-07

Cooling system

#33
20190271494
2019-09-05

Refrigeration cycle apparatus

#34
20190257554
2019-08-22

Air conditioner

#35
20190219315
2019-07-18

Refrigeration installation, refrigeration installation system and method with refrigerant displacement

#36
20190212038
2019-07-11

Method of managing compressor start for transport refrigeration system

#37
20190186776
2019-06-20

Air conditioner system and a control method for the same

#38
20190170418
2019-06-06

Cooling system

#39
20190154288
2019-05-23

Method and system for controlling the heating and cooling requirements in a modular heat energy network

#40
20190120539
2019-04-25

Intelligent voltage control for electric heat and defrost in transport refrigeration system

#41
20190011148
2019-01-10

Refrigeration cycle apparatus

#42
20180363954
2018-12-20

Air conditioning system, compression system with gas secondary injection and judgment and control method thereof

#43
20180299179
2018-10-18

Temperature control of refrigeration cavities in low ambient temperature conditions

#44
20180283754
2018-10-04

Method for controlling a vapour compression system in ejector mode for a prolonged time

#45
20180283750
2018-10-04

Method for controlling a vapour compression system with a variable receiver pressure setpoint

#46
20180283749
2018-10-04

Air conditioning apparatus with compressor discharge pressure sensing

#47
20180226911
2018-08-09

Inverter device and outdoor unit of heat pump device

#48
20180224176
2018-08-09

Method and device for controlling heat pump

#49
20180224175
2018-08-09

Liquid transfer pump cycle

#50
20180216861
2018-08-02

Refrigerator control method and system using linear compressor

#51
20180187916
2018-07-05

Method of and system for minimization of condenser-fan cycling for low ambient temperature

#52
20180164010
2018-06-14

Method to avoid fan cycling during low ambient operation

#53
20180156505
2018-06-07

METHODS AND SYSTEMS FOR CONTROLLING INTEGRATED AIR CONDITIONING SYSTEMS

#54
20180105021
2018-04-19

Air conditioner for vehicle

#55
20180051919
2018-02-22

Absorption heat pump and method for operating an absorption heat pump

#56
20180031293
2018-02-01

Cooling systems and methods

#57
20180010847
2018-01-11

Refrigerator controlling method and system with linear compressor

#58
20180001738
2018-01-04

Startup control systems and methods to reduce flooded startup conditions

#59
20170370635
2017-12-28

Refrigerator and method for controlling constant temperature thereof

#60
20170350623
2017-12-07

REFRIGERATION CYCLE DEVICE AND COMPRESSOR USED IN SAME

#61
20170343245
2017-11-30

Method for controlling a valve arrangement in a vapour compression system

#62
20170328604
2017-11-16

Method for operating a vapour compression system with a receiver

#63
20170321941
2017-11-09

Method for controlling a vapour compression system with an ejector

#64
20170321939
2017-11-09

Air conditioner with defrost control

#65
20170319980
2017-11-09

Wet evaporation-based cold concentration system

#66
20170314815
2017-11-02

Preheater for compressor

#67
20170248349
2017-08-31

Heat pump

#68
20170227263
2017-08-10

Systems and methods for controlling a refrigeration system

#69
20170227246
2017-08-10

Method of and system for minimization of condenser-fan cycling for low ambient temperature

#70
20170176072
2017-06-22

Intelligent defrost control method

#71
20170131004
2017-05-11

REFRIGERATION SYSTEM WITH FREE-COOLING

#72
20170131003
2017-05-11

Refrigeration system with free-cooling

#73
20170051961
2017-02-23

Cooling systems and methods

#74
20170038099
2017-02-09

Refrigeration device

#75
20170016653
2017-01-19

HYBRID HEAT PUMP SYSTEM

#76
20170010032
2017-01-12

Compressor operation management in air conditioners

#77
20160327325
2016-11-10

Cooling systems and methods

#78
20160290696
2016-10-06

Adsorption cooling systems and methods

#79
20160290683
2016-10-06

Wide speed range high-efficiency cold climate heat pump

#80
20160280041
2016-09-29

Refrigeration cycle device

#81
20160216011
2016-07-28

Heat pump hot-water supply device and method for controlling a heat pump hot-water supply device

#82
20160161163
2016-06-09

Variable refrigerant flow system operation in low ambient conditions

#83
20160123640
2016-05-05

Air conditioner

#84
20160061508
2016-03-03

Apparatus and method for hybrid water heating and air cooling and control thereof

#85
20160061502
2016-03-03

Apparatus and method for hybrid water heating and air cooling and control thereof

#86
20160018148
2016-01-21

Refrigeration apparatus

#87
20150330688
2015-11-19

Compressor operation management in air conditioners

#88
20150316284
2015-11-05

Air-conditioning apparatus

#89
20150230367
2015-08-13

High efficiency cooling system

#90
20150184925
2015-07-02

Air conditioner and control method of air conditioner

#91
20150168037
2015-06-18

Air-conditioning apparatus

#92
20150168033
2015-06-18

Heat pump device, heat pump system, air conditioner, and freezer

#93
20150040593
2015-02-12

Air conditioner

#94
20150033780
2015-02-05

Air-conditioning apparatus with low outside air temperature mode

#95
20140230476
2014-08-21

Refrigeration device

#96
20140033750
2014-02-06

Air-conditioning apparatus including unit for increasing heating capacity

#97
20130269380
2013-10-17

Refrigeration cycle device

#98
20130115063
2013-05-09

Oil management system for a compressor

#99
20130047649
2013-02-28

Absorption refrigerator with temperature control

#100
20130014523
2013-01-17

OPERATION METHOD OF HEAT PUMP-TYPE VEHICLE AIR CONDITIONING SYSTEM

#101
20120279241
2012-11-08

HEAT PUMP CONTROL

#102
20120227430
2012-09-13

Air-conditioning apparatus utilizing compressor preheating

#103
20120210742
2012-08-23

Air-conditioning apparatus

#104
20120186283
2012-07-26

COMPRESSOR MOTOR PREHEAT CONTROL

#105
20120167601
2012-07-05

Ejector cycle

#106
20120111030
2012-05-10

Low ambient operating procedure for cooling systems with high efficiency condensers

#107
20120096881
2012-04-26

Air-conditioning apparatus

#108
20120079843
2012-04-05

Transport refrigeration system

#109
20120060538
2012-03-15

Heat pump apparatus

#110
20110146313
2011-06-23

REFRIGERATION CIRCUIT

#111
20110126559
2011-06-02

CONTROL SYSTEM

#112
20110120168
2011-05-26

Combined refrigerating/freezing and air conditioning system

#113
20110113797
2011-05-19

METHODS AND SYSTEMS FOR COMPRESSOR OPERATION

#114
20110094246
2011-04-28

Methods and systems for controlling integrated air conditioning systems

#115
20110067436
2011-03-24

Air conditioning system

#116
20110005245
2011-01-13

METHODS AND APPARATUSES FOR OPERATING HEAT PUMPS IN HOT WATER SYSTEMS

#117
20100192607
2010-08-05

AIR CONDITIONER/HEAT PUMP WITH INJECTION CIRCUIT AND AUTOMATIC CONTROL THEREOF

#118
20100163637
2010-07-01

Expansion valve and method of producing the same

#119
20100139312
2010-06-10

Refrigeration apparatus

#120
20100043465
2010-02-25

Heat pump system and method of controlling the same

#121
20090250190
2009-10-08

HEATING FOR A TRANSPORT REFRIGERATION UNIT OPERATING IN COLD AMBIENTS

#122
20090228152
2009-09-10

Chiller Adaptation for Cold Weather Use

#123
20090120113
2009-05-14

REFRIGERATION SYSTEM

#124
20090077985
2009-03-26

Refrigerating Apparatus

#125
20090071177
2009-03-19

Air conditioner heat pump with injection circuit and automatic control thereof

#126
20080229762
2008-09-25

Multi-Circuit Refrigerant System Using Distinct Refrigerants

#127
20080190125
2008-08-14

Refrigerator

#128
20080115523
2008-05-22

Cooling system and method

#129
20080115515
2008-05-22

Cooling system and method

#130
20080087030
2008-04-17

Water-cooled air conditioner

#131
20080087027
2008-04-17

Water-cooled air conditioner

#132
20080023563
2008-01-31

Method of controlling air conditioner cooling load utilizing controlling the opening degree of an expansion valve and/or the number of rotations of an outdoor fan

#133
20070214813
2007-09-20

Cooling device with compressor cabinet heater and a control method

#134
20070137231
2007-06-21

Refrigeration system

#135
20070137228
2007-06-21

Heat pump system having a defrost mechanism for low ambient air temperature operation

#136
20060266056
2006-11-30

Method of fully freezing ice and refrigerator using the same

#137
20060123835
2006-06-15

Refrigeration apparatus

#138
20060080989
2006-04-20

Refrigeration/air conditioning equipment

#139
20060032254
2006-02-16

Air conditioning system and control method thereof

#140
20050274132
2005-12-15

Pressure control valve and vapor-compression refrigerant cycle system using the same

#141
20050183451
2005-08-25

Air conditioning system

#142
20050155370
2005-07-21

Method for the storage of deep-frozen goods

#143
20050091995
2005-05-05

Apparatus for generating heat of refrigerator and control method thereof

#144
20050076666
2005-04-14

Heating and cooling system

#145
20050028541
2005-02-10

Refrigeration device and operating method for a refrigeration device