ClassID:

159599

F25B2700/21161 - CPC Classification

Classification description:

Sensing or detecting of parameters; Sensors therefor; Temperatures of a condenser the fluid cooled by the condenser

Recent Application in this class:
#1
20260139878
2026-05-21

AUTOCASCADE LIQUID-VAPOR SEPARATOR WITH INTEGRAL BYPASS

#2
20260126229
2026-05-07

SHOE CARE APPARATUS AND CONTROL METHOD THEREFOR

#3
20250257921
2025-08-14

WATER BOX MIXING MANIFOLD

#4
20250198678
2025-06-19

HEAT PUMP DEVICE

#5
20250180265
2025-06-05

Feed Forward Flow Control of Heat Transfer System

#6
20250093084
2025-03-20

SYSTEMS AND METHODS FOR DETERMINING STARTUP PRESSURE RATIO FOR DYNAMIC COMPRESSORS

#7
20250035354
2025-01-30

DEFROST SYSTEM FOR HEAT PUMP POOL HEATER

#8
20250003659
2025-01-02

COOLING MECHANISM

#9
20240410630
2024-12-12

REFRIGERANT CIRCUIT EXPANSION VALVE CONTROL

#10
20240384910
2024-11-21

SYSTEMS, CONTROLLERS, AND METHODS FOR CONTROLLING A CO2 REFRIGERATION SYSTEM

#11
20240361058
2024-10-31

Automatic Maintenance and Flow Control of Heat Exchanger

#12
20240361051
2024-10-31

THERMAL REGULATION SYSTEM

#13
20240159439
2024-05-16

VARIABLE FREQUENCY AIR SOURCE HEAT PUMP COLD WATER UNIT AND PARALLEL CONTROL METHOD THEREOF

#14
20240157756
2024-05-16

Vehicle air conditioning apparatus

#15
20240011691
2024-01-11

SHOE CARE APPARATUS AND CONTROL METHOD THEREFOR

#16
20230384012
2023-11-30

Systems and methods for determining startup pressure ratio for dynamic compressors

#17
20230332809
2023-10-19

THERMAL REGULATION SYSTEM

#18
20230304715
2023-09-28

Refrigeration apparatus

#19
20230280076
2023-09-07

Feed forward flow control of heat transfer system

#20
20230204259
2023-06-29

REFRIGERATION SYSTEM

#21
20230143887
2023-05-11

Water box mixing manifold

#22
20230107572
2023-04-06

Method and device for providing sub-cooling of refrigerants

#23
20230014287
2023-01-19

Methods for estimating refrigerant charge for HVACR systems

#24
20220397321
2022-12-15

Device for controlling the temperature of an external fluid, an operating method thereof, and a computer program product comprising such method instructions

#25
20220252326
2022-08-11

Defrosting control method, central controller and heating system

#26
20220003475
2022-01-06

Refrigeration system with condenser temperature differential setpoint control

#27
20210396433
2021-12-23

COrefrigeration system with automated control optimization

#28
20210222928
2021-07-22

Chiller system and a method for generating coordination maps for energy efficient chilled water and condenser water temperature resets in chiller plant system

#29
20210140695
2021-05-13

Automatic maintenance and flow control of heat exchanger

#30
20210123648
2021-04-29

Method for operating a chiller

#31
20210116151
2021-04-22

Temperature control system

#32
20210088264
2021-03-25

Feed forward flow control of heat transfer system

#33
20210018230
2021-01-21

Compressor chiller systems including thermoelectric modules, and corresponding control methods

#34
20210010729
2021-01-14

Device for controlling the temperature of an external fluid, an operating method thereof, and a computer program product comprising such method instructions

#35
20200408449
2020-12-31

Air conditioner control method including determination of a chiller target load

#36
20200378656
2020-12-03

Thermal regulation system

#37
20200285258
2020-09-10

Method and Apparatus for Monitoring Refrigeration-Cycle Systems

#38
20200284477
2020-09-10

Refrigeration system

#39
20200103152
2020-04-02

Method to avoid fan cycling during low ambient operation

#40
20200041183
2020-02-06

Method for operating a chiller

#41
20200041172
2020-02-06

APPARATUS FOR AIR-CONDITIONING OF ENVIRONMENTS IN THE MARINE FIELD

#42
20200041171
2020-02-06

Method for air-conditioning of environments in the marine field

#43
20190362036
2019-11-28

Methods for estimating refrigerant charge for HVACR systems

#44
20190359031
2019-11-28

Vehicle air-conditioning device

#45
20190338963
2019-11-07

Water heater with a heat pump device and method for controlling a heat pump device

#46
20190316820
2019-10-17

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

#47
20190271494
2019-09-05

Refrigeration cycle apparatus

#48
20190271489
2019-09-05

Compressor chiller systems including thermoelectric modules, and corresponding control methods

#49
20190258237
2019-08-22

Detection of efficiency degradation in HVAC and R systems

#50
20190257558
2019-08-22

Hot water and energy storage

#51
20190170416
2019-06-06

Heat source unit for refrigeration apparatus including a heat-source-side heat exchanger having a heat exchange region of variable size

#52
20190154310
2019-05-23

Heat pump system having CO2 as the first heat pump medium and water as the second heat pump medium

#53
20190137155
2019-05-09

Chiller system, method for obtaining middle water temperature and control method thereof

#54
20190049154
2019-02-14

Air-conditioning apparatus

#55
20190041110
2019-02-07

Purging device, chiller equipped with same, and method for controlling purging device

#56
20190011155
2019-01-10

Method for operating an air-conditioning system of a motor vehicle

#57
20180363926
2018-12-20

Method of monitoring charge condition of heat pump system

#58
20180347874
2018-12-06

Subcooling system with thermal energy storage

#59
20180347863
2018-12-06

Refrigeration device

#60
20180347862
2018-12-06

Refrigeration system having a variable speed compressor

#61
20180347861
2018-12-06

Refrigeration system having a variable speed compressor

#62
20180347846
2018-12-06

Air conditioning apparatus

#63
20180238598
2018-08-23

Reverse defrost system and methods

#64
20180231293
2018-08-16

Vapor compression system with reheat coil

#65
20180231291
2018-08-16

Liquid temperature control apparatus and temperature control system

#66
20180209709
2018-07-26

Refrigerating machine and control method therefor

#67
20180129233
2018-05-10

Method and apparatus for monitoring refrigeration-cycle systems

#68
20180128529
2018-05-10

System and method for charging a refrigeration system

#69
20180106520
2018-04-19

Liquid slugging detection and protection

#70
20180095483
2018-04-05

Air conditioner with indoor units and outdoor units

#71
20180080695
2018-03-22

Optimizing energy efficiency ratio feedback control for direct expansion air-conditioners and heat pumps

#72
20180022185
2018-01-25

Heat pump cycle

#73
20180010838
2018-01-11

Subcooling system with thermal storage

#74
20170363337
2017-12-21

Refrigeration system with condenser temperature differential setpoint control

#75
20170356684
2017-12-14

Methods and systems for controlling a chiller system having a centrifugal compressor with a variable speed drive

#76
20170314821
2017-11-02

Refrigeration system having a variable speed compressor

#77
20170254569
2017-09-07

Two-stage pressure buildup refrigeration cycle apparatus

#78
20170234559
2017-08-17

Method and apparatus for optimizing control variables to minimize power consumption of cooling systems

#79
20170225542
2017-08-10

Vehicle air-conditioning device

#80
20170219260
2017-08-03

Control device and control method for bleed device

#81
20170198720
2017-07-13

Centrifugal compressor with liquid injection

#82
20170198707
2017-07-13

Centrifugal compressor with hot gas injection

#83
20170191678
2017-07-06

Environment control system and devices

#84
20170159982
2017-06-08

Optimizing energy efficiency ratio feedback control for direct expansion air-conditioners and heat pumps

#85
20170115037
2017-04-27

Apparatus for air-conditioning of environments in the marine field

#86
20170067677
2017-03-09

METHOD AND DEVICE FOR HEAT RECOVERY ON A VAPOUR REFRIGERATION SYSTEM

#87
20170051953
2017-02-23

Heat pump arrangement for domestic appliance

#88
20170038110
2017-02-09

Method for operating a chiller

#89
20170030594
2017-02-02

Fluid heating and/or cooling system and related methods

#90
20170003679
2017-01-05

Chiller control device, chiller, and chiller diagnostic method

#91
20160320097
2016-11-03

Controlling heat exchange from refrigeration system to geothermal system

#92
20160273815
2016-09-22

Air conditioning system having actively controlled and stabilized hot gas reheat circuit

#93
20160216024
2016-07-28

Heat source machine and control method therefor

#94
20160216011
2016-07-28

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

#95
20160209088
2016-07-21

Refrigeration cycle apparatus

#96
20160187036
2016-06-30

Heat recovery apparatus

#97
20160084555
2016-03-24

Vehicular air-conditioning device

#98
20160084554
2016-03-24

Vehicular air-conditioning device

#99
20160076821
2016-03-17

Subcooling system with thermal energy storage

#100
20160061508
2016-03-03

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

#101
20160061502
2016-03-03

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

#102
20150377535
2015-12-31

Control apparatus for cooling system

#103
20150362240
2015-12-17

Methods and systems for controlling a chiller system having a centrifugal compressor with a variable speed drive

#104
20150362237
2015-12-17

Methods and systems for detecting and recovering from control instability caused by impeller stall

#105
20150354849
2015-12-10

Heat source system, and device and method for controlling cooling water supply device

#106
20150283978
2015-10-08

Vehicle air conditioner with a controller for judging frost formation

#107
20150267941
2015-09-24

Heat pump device with simultaneous use of air and geothermal heat sources

#108
20150261230
2015-09-17

Method and apparatus for monitoring refrigeration-cycle systems

#109
20150260441
2015-09-17

Chiller capacity control apparatuses, methods, and systems

#110
20150247661
2015-09-03

Air-conditioning apparatus

#111
20150241100
2015-08-27

Heat source system and control method thereof

#112
20150219379
2015-08-06

Transcritical refrigerant vapor compression system high side pressure control

#113
20150204589
2015-07-23

Frozen evaporator coil detection and defrost initiation

#114
20150159656
2015-06-11

Pump, method for manufacturing pump, and refrigeration cycle device

#115
20150135748
2015-05-21

Heat pump system with refrigerant charge diagnostics

#116
20150075766
2015-03-19

Environment control system and devices

#117
20150039134
2015-02-05

Heat source system and method for controlling number of machines to be started at time of power recovery in heat source system

#118
20140360215
2014-12-11

Air conditioner for vehicle

#119
20140358253
2014-12-04

Number-of-machines control device for heat source system, method therefor, and heat source system

#120
20140345310
2014-11-27

Refrigeration cycle apparatus

#121
20140299289
2014-10-09

Heat-pump system with refrigerant charge diagnostics

#122
20140297057
2014-10-02

Heat pump system, control device, temperature adjustment method, and program

#123
20140260388
2014-09-18

Refrigerating apparatus and control device for refrigerating machine

#124
20140260385
2014-09-18

Refrigerating apparatus and corresponding control device

#125
20140260376
2014-09-18

Subcooling system with thermal storage

#126
20140238061
2014-08-28

Air-conditioning apparatus

#127
20140223937
2014-08-14

Refrigeration system and refrigeration method providing heat recovery

#128
20140182329
2014-07-03

Air-conditioning apparatus with regulation of injection flow rate

#129
20140013788
2014-01-16

Heat-pump chiller with improved heat recovery features

#130
20140012422
2014-01-09

Method and apparatus for monitoring refrigeration-cycle systems

#131
20140000294
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

#132
20140000293
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

#133
20140000292
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

#134
20140000291
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

#135
20140000290
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

#136
20130306301
2013-11-21

Heat pump apparatus and control method for heat pump apparatus

#137
20130287063
2013-10-31

Method and apparatus for monitoring a refrigeration-cycle system

#138
20130264044
2013-10-10

Cooling system control and servicing based on time-based variation of an operational variable

#139
20130263611
2013-10-10

Cooling system control and servicing based on time-based variation of an operational variable

#140
20130239601
2013-09-19

HEAT PUMP WITH DOWNSTREAM SENSOR FOR MULTILEVEL CONTROL OF A SUPPLEMENTAL HEATING ELEMENT

#141
20130213084
2013-08-22

Two-stage compression refrigeration cycle device

#142
20130213067
2013-08-22

Heat source device

#143
20130174593
2013-07-11

Heat exchanging system

#144
20130125573
2013-05-23

Heat source system and control method therefor

#145
20130031920
2013-02-07

Apparatus and method for evaluating performance of centrifugal chiller

#146
20130025306
2013-01-31

Turbo refrigeration unit, control device therefor, and control method therefor

#147
20120318006
2012-12-20

Defrost operations and apparatus for a transport refrigeration system

#148
20120297806
2012-11-29

Heat pump system

#149
20120291460
2012-11-22

Heat pump device and refrigerant bypass method

#150
20120266621
2012-10-25

Container refrigeration system

#151
20120260804
2012-10-18

Air filter monitoring system

#152
20120210736
2012-08-23

Cascade floating intermediate temperature heat pump system

#153
20120174609
2012-07-12

Heat source system

#154
20120168139
2012-07-05

Air-conditioning apparatus

#155
20120152514
2012-06-21

Heating system and heating system control method

#156
20120151946
2012-06-21

METHOD AND DEVICE FOR HEAT RECOVERY ON A VAPOUR REFRIGERATION SYSTEM

#157
20120145095
2012-06-14

Residential heat pump water heater

#158
20120036876
2012-02-16

Heat pump system

#159
20120029889
2012-02-02

Centrifugal chiller performance evaluation system

#160
20110302936
2011-12-15

Refrigeration system having a variable speed compressor

#161
20110277488
2011-11-17

Pool heating system and method

#162
20110239668
2011-10-06

High-side pressure control for transcritical refrigeration system

#163
20110203298
2011-08-25

Heat pump system and control method thereof

#164
20110197601
2011-08-18

CHILLER WITH SETPOINT ADJUSTMENT

#165
20110144807
2011-06-16

Method of automatically detecting an anomalous condition relative to a nominal operating condition in a vapor compression system

#166
20110138825
2011-06-16

Carbon dioxide refrigerant vapor compression system

#167
20110120179
2011-05-26

HEAT PUMP TYPE COOLING/HEATING APPARATUS

#168
20110120162
2011-05-26

Performance evaluation device for variable-speed centrifugal chiller

#169
20110072839
2011-03-31

Heat pump apparatus

#170
20110072837
2011-03-31

Refrigeration system mounted within a deck

#171
20110072836
2011-03-31

Refrigeration system having a variable speed compressor

#172
20110067418
2011-03-24

Apparatus and method for fluid heating and associated systems

#173
20110036113
2011-02-17

Heat-pump chiller with improved heat recovery features

#174
20110036110
2011-02-17

REFRIGERATION APPARATUS

#175
20100326107
2010-12-30

REFRIGERATION CYCLE APPARATUS

#176
20100313586
2010-12-16

REFRIGERATION CYCLE APPARATUS

#177
20100287964
2010-11-18

REFRIGERATING APPARATUS

#178
20100281894
2010-11-11

CAPACITY MODULATION OF REFRIGERANT VAPOR COMPRESSION SYSTEM

#179
20100209084
2010-08-19

Residential heat pump water heater

#180
20100205987
2010-08-19

REFRIGERATION CYCLE APPARATUS

#181
20100115974
2010-05-13

Start-up control method for refrigeration cycle apparatus and refrigeration cycle control apparatus using the same

#182
20100107683
2010-05-06

Dual-circuit chiller with two-pass heat exchanger in a series counterflow arrangement

#183
20090217679
2009-09-03

REFRIGERATION COOLING SYSTEM CONTROL

#184
20090084120
2009-04-02

Pressure based control of parallel compressors in multiple refrigeration units

#185
20080276638
2008-11-13

Heat pump with forced air heating regulated by withdrawal of heat to a radiant heating system

#186
20080264075
2008-10-30

Heat pump system with extended run time boost compressor

#187
20080245087
2008-10-09

System for controlled fluid heating using air conditioning waste heat

#188
20080223051
2008-09-18

INTELLIGENT THERMOSTAT SYSTEM FOR MONITORING A REFRIGERANT-CYCLE APPARATUS

#189
20080216495
2008-09-11

INTELLIGENT THERMOSTAT SYSTEM FOR LOAD MONITORING A REFRIGERANT-CYCLE APPARATUS

#190
20080098760
2008-05-01

Heat pump system and controls

#191
20080053118
2008-03-06

Water-cooled air conditioner and method of controlling the same

#192
20080041072
2008-02-21

Heat pump with accumulator at boost compressor output

#193
20080016888
2008-01-24

METHOD AND APPARATUS FOR MONITORING REFRIGERANT-CYCLE SYSTEMS

#194
20080015797
2008-01-17

Air filter monitoring system

#195
20080006044
2008-01-10

Method for controlling temperature

#196
20070227168
2007-10-04

Variable capacity air conditioning system

#197
20070199337
2007-08-30

Refrigeration cycle device

#198
20070051119
2007-03-08

Refrigerator

#199
20070012053
2007-01-18

Vapor compression system startup method

#200
20070006602
2007-01-11

Freezer apparatus

#201
20060259276
2006-11-16

Apparatus and method for detecting faults and providing diagnostics in vapor compression cycle equipment

#202
20060196197
2006-09-07

Intelligent thermostat system for load monitoring a refrigerant-cycle apparatus

#203
20060196196
2006-09-07

Method and apparatus for airflow monitoring refrigerant-cycle systems

#204
20060174640
2006-08-10

System and method for operating a condenser at low ambient conditions

#205
20060096306
2006-05-11

Start-up control method for refrigeration cycle apparatus and refrigeration cycle control apparatus using the same

#206
20060059925
2006-03-23

Process for refrigerant charge level detection using a neural net

#207
20060059924
2006-03-23

Process for refrigerant charge level detection using a neural net having one output neuron

#208
20060048404
2006-03-09

Heat pump device and drying machine

#209
20060032379
2006-02-16

Air filter monitoring system

#210
20060032248
2006-02-16

Method and apparatus for monitoring air-exchange evaporation in a refrigerant-cycle system

#211
20060032247
2006-02-16

Method and apparatus for monitoring a condenser unit in a refrigerant-cycle system

#212
20060032246
2006-02-16

Intelligent thermostat system for monitoring a refrigerant-cycle apparatus

#213
20060032245
2006-02-16

Method and apparatus for monitoring refrigerant-cycle systems

#214
20060010892
2006-01-19

Phase correction method and apparatus

#215
20050284164
2005-12-29

Supercritical heat pump cycle system

#216
20050252226
2005-11-17

Heating/cooling system

#217
20050241323
2005-11-03

Energy analyzer for a refrigeration system

#218
20050223722
2005-10-13

Refrigerator

#219
20050223720
2005-10-13

Energy analyzer for a refrigeration system

#220
20050210900
2005-09-29

Air conditioner for vehicle capable of preventing inverter overheating

#221
20050198980
2005-09-15

Air conditioning system

#222
20050193753
2005-09-08

Pressure regulation in a transcritical refrigerant cycle

#223
20050193752
2005-09-08

Multi-variable control of refrigerant systems

#224
20050193746
2005-09-08

Non-linear control algorithm in vapor compression systems

#225
20050189431
2005-09-01

Heat pump type water heater

#226
20050155364
2005-07-21

Energy-efficient heat pump water heater

#227
20050144965
2005-07-07

Turbo chiller, compressor therefor, and control method therefor

#228
20050132735
2005-06-23

Transcritical vapor compression optimization through maximization of heating capacity

#229
20050132732
2005-06-23

Vapor compression system startup method

#230
20050120729
2005-06-09

Transcritical heat pump water heating system using auxiliary electric heater

#231
20050115257
2005-06-02

System and method for cooling multiple logic modules

#232
20050087334
2005-04-28

Heating and cooling system

#233
20050076659
2005-04-14

Refrigeration control system

#234
20050044869
2005-03-03

System for cooling multiple logic molecules

#235
20050016207
2005-01-27

Thermally isolated liquid evaporation engine

#236
15214753
2018-06-12

Refrigeration apparatus and method