ClassID:

159530

F25B2600/21 - CPC Classification

Classification description:

Control issues Refrigerant outlet evaporator temperature

Recent Application in this class:
#1
20260110473
2026-04-23

SYSTEM AND METHOD FOR LUBRICANT QUALITY CONTROL OF AN HVACR SYSTEM

#2
20260049748
2026-02-19

DUAL TEMPERATURE REFRIGERATION SYSTEM

#3
20250362062
2025-11-27

CO2 REFRIGERATION SYSTEM WITH SUPERHEAT CONTROL

#4
20250198677
2025-06-19

A METHOD FOR CONTROLLING A VAPOUR COMPRESSION SYSTEM AT LOW SUPERHEAT

#5
20240060688
2024-02-22

FLUID TEMPERATURE CONTROL SYSTEM

#6
20230400237
2023-12-14

Control systems and methods for preventing evaporator coil freeze

#7
20230358449
2023-11-09

Refrigeration system with combined superheat and subcooling control

#8
20230122660
2023-04-20

Heat pump, methods of operation and simulation

#9
20230106363
2023-04-06

Systems and methods for implementing ejector refrigeration cycles with cascaded evaporation stages

#10
20220357080
2022-11-10

Cooling system for fluid to be cooled

#11
20220357078
2022-11-10

Systems and methods for implementing ejector refrigeration cycles with cascaded evaporation stages

#12
20220307749
2022-09-29

Temperature control system and control method of temperature control system

#13
20220186996
2022-06-16

Control systems and methods for preventing evaporator coil freeze

#14
20220107121
2022-04-07

Refrigeration system with combined superheat and subcooling control

#15
20220034240
2022-02-03

Method and controller for preventing formation of droplets in a heat exchanger

#16
20220026127
2022-01-27

COOLING SYSTEM FOR EFFICIENT OPERATION

#17
20220026116
2022-01-27

TEST CHAMBER AND METHOD

#18
20210364200
2021-11-25

Valve and capillary tube system for refrigeration systems

#19
20210337705
2021-10-28

Cooling system and refrigerant control method for cooling system

#20
20210252526
2021-08-19

TEMPERATURE-CONTROLLED CENTRIFUGE WITH CRASH PROTECTION

#21
20210025604
2021-01-28

Dehumidifier with multi-circuited evaporator and secondary condenser coils

#22
20210010733
2021-01-14

Air conditioning system and control method therefor

#23
20200348058
2020-11-05

Ice making system with controlled dryness of refrigerant

#24
20200264091
2020-08-20

Air conditioning method and device

#25
20200011576
2020-01-09

Cooling system for fluid to be cooled

#26
20190383536
2019-12-19

Adjustable duct for HVAC system

#27
20190383524
2019-12-19

Test chamber and method

#28
20190293331
2019-09-26

Refrigeration cycle apparatus

#29
20190186800
2019-06-20

Heating, ventilating, air conditioning, and refrigeration system with simultaneous sub-cooling and superheat control

#30
20190162458
2019-05-30

Cooling system

#31
20190145679
2019-05-16

Apparatus for calibrating and testing multiple superheat controllers

#32
20190128544
2019-05-02

Dehumidifier with multi-circuited evaporator and secondary condenser coils

#33
20190078818
2019-03-14

Refrigeration system with combined superheat and subcooling control

#34
20190056155
2019-02-21

Refrigeration cycle apparatus

#35
20190056140
2019-02-21

Air conditioning and mode switching control method thereof

#36
20190049154
2019-02-14

Air-conditioning apparatus

#37
20190041099
2019-02-07

Refrigeration apparatus and method for controlling the same

#38
20190025859
2019-01-24

Cooling system flood prevention tool

#39
20190011156
2019-01-10

Method for controlling a supply of refrigerant to an evaporator in contingency mode

#40
20180356133
2018-12-13

Conditioner determining a closed condition of an expansion valve

#41
20180299169
2018-10-18

Refrigeration cycle apparatus

#42
20180290197
2018-10-11

Cooling apparatus for a hot stamping die

#43
20180283756
2018-10-04

Regulation method for inverter compressors in refrigeration facilities

#44
20180252456
2018-09-06

Ice making device

#45
20180252449
2018-09-06

Refrigeration cycle apparatus

#46
20180222287
2018-08-09

Heat pump system

#47
20180216851
2018-08-02

COrefrigeration system with direct COheat exchange for building temperature control

#48
20180120006
2018-05-03

Method of maintaining the flow rate of a refrigerant while maintaining superheat

#49
20180106518
2018-04-19

RETURN AIR SUPERHEAT DEGREE TEST METHOD FOR MULTI-SPLIT SYSTEM AND MULTI-SPLIT SYSTEM

#50
20180106517
2018-04-19

Cooling circuit, cold drying installation and method for controlling a cooling circuit

#51
20180100677
2018-04-12

Refrigeration cycle device

#52
20180094847
2018-04-05

Freezestat assembly

#53
20180058740
2018-03-01

Refrigeration cycle apparatus

#54
20180031288
2018-02-01

Electronic expansion valve (EEV) control system and method

#55
20180031267
2018-02-01

SYSTEM AND METHOD FOR DETECTING FLOW RESTRICTIONS ACROSS A COIL OF AN OUTDOOR HEAT EXCHANGER

#56
20180023871
2018-01-25

Temperature control method

#57
20180010831
2018-01-11

Valve and capillary tube system for refrigeration systems

#58
20180003419
2018-01-04

Air conditioning device

#59
20170343260
2017-11-30

Perturbation of expansion valve in vapor compression system

#60
20170343259
2017-11-30

Selecting control strategy for an expansion valve

#61
20170299240
2017-10-19

ELECTRONIC EXPANSION VALVE SUPERHEAT RECOVERY FOR A VARIABLE SPEED COMPRESSOR SYSTEM

#62
20170292745
2017-10-12

Systems and methods of powering a refrigeration unit of a hybrid vehicle

#63
20170276417
2017-09-28

System and method to maintain evaporator superheat during pumped refrigerant economizer operation

#64
20170234561
2017-08-17

Systems and methods for detecting degradation of a component in an air conditioning system

#65
20170219238
2017-08-03

Air conditioner

#66
20170167777
2017-06-15

System for operating an HVAC system having tandem compressors

#67
20170138645
2017-05-18

Refrigeration cycle device using working fluid containing 1,1,2-trifluoroethylene (R1123) and difluoromethane (R32)

#68
20170097181
2017-04-06

Method and Apparatus For Calibrating And Testing Multiple Superheat Controllers

#69
20170080777
2017-03-23

Vehicle air conditioning apparatus

#70
20170059240
2017-03-02

Systems and Methods for Operating a Refrigeration System

#71
20170030594
2017-02-02

Fluid heating and/or cooling system and related methods

#72
20170028817
2017-02-02

Vehicle air conditioning apparatus

#73
20170028816
2017-02-02

Vehicle air conditioning apparatus

#74
20170028815
2017-02-02

Vehicle air conditioning apparatus

#75
20170003059
2017-01-05

Valve Controller, Valve Controlling Method, Refrigeration And Cold Storage System, Device And Method For Controlling The System

#76
20160375743
2016-12-29

Vehicle air conditioning apparatus

#77
20160363357
2016-12-15

Air-conditioning apparatus

#78
20160363356
2016-12-15

Cascade refrigeration system with modular ammonia chiller units

#79
20160327322
2016-11-10

A METHOD FOR CONTROLLING A SUPPLY OF REFRIGERANT TO AN EVAPORATOR BASED ON TEMPERATURE MEASUREMENTS

#80
20160195322
2016-07-07

Air-conditioner system for vehicle and method for controlling same

#81
20150377530
2015-12-31

Method to control electronic expansion valve

#82
20150323234
2015-11-12

Control arrangement for controlling superheat

#83
20150292777
2015-10-15

Air conditioning unit having dynamic target condensing and evaporating values based on load requirements

#84
20150285530
2015-10-08

Air conditioning apparatus

#85
20150267953
2015-09-24

System for operating an HVAC system having tandem compressors

#86
20150233624
2015-08-20

Cooling system

#87
20150233623
2015-08-20

Method for controlling an expansion device of a vapor compression system during start-up using rates of change of an evaporator inlet and outlet temperature

#88
20150168038
2015-06-18

Cooling circuit, cold drying installation and method for controlling a cooling circuit

#89
20150135747
2015-05-21

System and method for dynamic control of an evaporator

#90
20150059373
2015-03-05

SUPERHEAT AND SUB-COOLING CONTROL OF REFRIGERATION SYSTEM

#91
20150056059
2015-02-26

Control system

#92
20150040591
2015-02-12

Refrigerator and control method thereof

#93
20150027151
2015-01-29

Air conditioning systems for at least two rooms using a single outdoor unit

#94
20150027150
2015-01-29

Split air conditioning system with a single outdoor unit

#95
20150027147
2015-01-29

Air conditioning systems with multiple temperature zones from independent ducting systems and a single outdoor unit

#96
20140377102
2014-12-25

Compressor assembly having electronics cooling system and method

#97
20140345317
2014-11-27

Temperature control apparatus, processing apparatus, and temperature control method

#98
20140216082
2014-08-07

Air-conditioning apparatus

#99
20140208787
2014-07-31

Refrigeration apparatus which injects an intermediate-gas liquid refrigerant from multi-stage expansion cycle into the compressor

#100
20140157808
2014-06-12

Refrigeration system controlled by refrigerant quality within evaporator

#101
20140130528
2014-05-15

Air-conditioning apparatus

#102
20140096551
2014-04-10

Air-conditioning apparatus

#103
20140041405
2014-02-13

Thermal expansion valve

#104
20140013780
2014-01-16

Condensing unit having fluid injection

#105
20130205815
2013-08-15

Method for controlling a supply of refrigerant to an evaporator

#106
20130167567
2013-07-04

Refrigeration cycle apparatus

#107
20130160474
2013-06-27

Method to control electronic expansion valve

#108
20130111930
2013-05-09

Refrigeration ejector cycle having control for supercritical to subcritical transition prior to the ejector

#109
20130091891
2013-04-18

Cascade refrigeration system with modular ammonia chiller units

#110
20130074535
2013-03-28

Method for operating a vapour compression system using a subcooling value

#111
20130067942
2013-03-21

Air conditioning apparatus

#112
20130019624
2013-01-24

Air-conditioning and hot water supply combination system

#113
20130008194
2013-01-10

HEAT PUMP APPARATUS AND OPERATION METHOD FOR HEAT PUMP APPARATUS

#114
20120291462
2012-11-22

Ejector cycle refrigerant separator

#115
20120266623
2012-10-25

Control algorithm for electronic expansion valve modulation

#116
20120260679
2012-10-18

Control of an expansion valve regulating refrigerant to an evaporator of a climate control system

#117
20120260678
2012-10-18

AIR CONDITIONER, METHOD FOR CONTROLLING OPENING OF EXPANSION VALVE, AND COMPUTER-READABLE RECORDING MEDIUM WITH EXPANSION VALVE OPENING CONTROL PROGRAM RECORDED THEREON

#118
20120198867
2012-08-09

DEHUMIDIFICATION CONTROL IN REFRIGERANT VAPOR COMPRESSION SYSTEMS

#119
20120180508
2012-07-19

Air-conditioning hot-water supply system, and heat pump unit

#120
20120167603
2012-07-05

DYNAMIC SUPERHEAT CONTROL FOR HIGH EFFICIENCY REFRIGERATION SYSTEM

#121
20120117996
2012-05-17

Cascade refrigeration system with modular ammonia chiller units

#122
20120102980
2012-05-03

Control process for an expansion valve

#123
20120060525
2012-03-15

APPARATUS AND METHOD FOR MONITORING SUPER-HEATING OF REFRIGERANT TO IMPROVE COMPRESSOR EFFICIENCY AND LOWER ENERGY USAGE

#124
20120000228
2012-01-05

AIR CONDITIONING APPARATUS

#125
20110314854
2011-12-29

REFRIGERATOR

#126
20110296851
2011-12-08

Evaporator for a refrigeration circuit

#127
20110222576
2011-09-15

Method for calibrating a superheat sensor

#128
20110214438
2011-09-08

Method for controlling a flow of refrigerant to an evaporator

#129
20110209485
2011-09-01

SUCTION SUPERHEAT CONROL BASED ON REFRIGERANT CONDITION AT DISCHARGE

#130
20110185753
2011-08-04

Superheat control for HVACandR systems

#131
20110174059
2011-07-21

Leakage diagnosis apparatus, leakage diagnosis method, and refrigeration apparatus

#132
20110132011
2011-06-09

AIR CONDITIONING APPARATUS

#133
20110120156
2011-05-26

Refrigeration system with parallel evaporators and variable speed compressor

#134
20110107780
2011-05-12

AIR CONDITIONING APPARATUS AND AIR CONDITIONING APPARATUS REFRIGERANT QUANTITY DETERMINATION METHOD

#135
20110088414
2011-04-21

AIR CONDITIONING APPARATUS REFRIGERANT QUANTITY DETERMINATION METHOD AND AIR CONDITIONING APPARATUS

#136
20110072839
2011-03-31

Heat pump apparatus

#137
20110056236
2011-03-10

REFRIGERATION CYCLE

#138
20110036104
2011-02-17

Air conditioner, refrigerant filling method of air conditioner, method for judging refrigerant filling state of air conditioner as well as refrigerant filling and pipe cleaning method of air conditioner

#139
20110023534
2011-02-03

Refrigeration system

#140
20110023513
2011-02-03

EXPANSION VALVE FOR A REFRIGERANT SYSTEM

#141
20100287964
2010-11-18

REFRIGERATING APPARATUS

#142
20100269527
2010-10-28

Method for controlling a vapour compression system

#143
20100242508
2010-09-30

USE OF AN ADJUSTABLE EXPANSION VAVLE TO CONTROL DEHUMIDIFICATION

#144
20100242505
2010-09-30

Method for controlling a refrigerant distribution

#145
20100229581
2010-09-16

Systems and methods of powering a refrigeration unit of a hybrid vehicle

#146
20100212350
2010-08-26

Medium- and Low-Temperature Integrated Refrigerating/Freezing System

#147
20100205988
2010-08-19

Condensing unit having fluid injection

#148
20100204840
2010-08-12

Modified Fuzzy Control for Chiller Electronic Expansion Valve

#149
20100198416
2010-08-05

REFRIGERATION SYSTEM

#150
20100192607
2010-08-05

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

#151
20100191381
2010-07-29

Air-Conditioning System, In Particular For A Motor Vehicle

#152
20100180630
2010-07-22

Valve controller, valve controlling method, refrigeration and cold storage system, device and method for controlling the system

#153
20100175400
2010-07-15

REFRIGERATION APPARATUS

#154
20100154447
2010-06-24

Air conditioner that corrects refrigerant quantity determination based on refrigerant temperature

#155
20100132395
2010-06-03

REFRIGERATING PLANT

#156
20100131115
2010-05-27

CONTROLLING METHOD OF AIR CONDITIONER

#157
20100107661
2010-05-06

METHOD FOR OPERATING TRANSPORT REFRIGERATION UNIT WITH REMOTE EVAPORATOR

#158
20100107659
2010-05-06

Fixed and variable refrigerant metering system

#159
20100089083
2010-04-15

Refrigerated transport system

#160
20100064723
2010-03-18

Refrigeration system

#161
20100024469
2010-02-04

Refrigerating cycle apparatus

#162
20100024455
2010-02-04

Dynamic superheat control for high efficiency refrigeration system

#163
20100024454
2010-02-04

Refrigeration apparatus with reduced constraints on placement of utilization unit relative to heat source unit

#164
20100023171
2010-01-28

Refrigeration control systems and methods for modular compact chiller units

#165
20100011793
2010-01-21

Refrigeration control system

#166
20100005819
2010-01-14

REFRIGERATION APPARATUS

#167
20090255284
2009-10-15

Air conditioner

#168
20090241569
2009-10-01

Heat pump type hot water supply outdoor apparatus

#169
20090228153
2009-09-10

Device and method for controlling valve

#170
20090188265
2009-07-30

Air conditioning system

#171
20090151378
2009-06-18

Refrigeration system

#172
20090151377
2009-06-18

Refrigeration system and refrigeration system analyzer

#173
20090126379
2009-05-21

Air conditioner

#174
20090126375
2009-05-21

Air conditioner, refrigerant filling method of air conditioner, method for judging refrigerant filling state of air conditioner as well as refrigerant filling and pipe cleaning method of air conditioner

#175
20090113913
2009-05-07

Vehicle air-conditioning system

#176
20090100849
2009-04-23

AIR CONDITIONER

#177
20090090113
2009-04-09

Compressor assembly having electronics cooling system and method

#178
20090084121
2009-04-02

Humidity control system

#179
20090044551
2009-02-19

Air conditioner

#180
20090031740
2009-02-05

Expansion valve control system and method for air conditioning apparatus

#181
20090031739
2009-02-05

AIR CONDITIONER

#182
20090025406
2009-01-29

Refrigerant quantity determining system of air conditioner

#183
20090019872
2009-01-22

Air conditioning apparatus

#184
20090013700
2009-01-15

Refrigerating air conditioning system, method of controlling operation of refrigerating air conditioning system, and method of controlling amount of refrigerant in refrigerating air conditioning system

#185
20080314998
2008-12-25

Temperature control in variable-capacity HVAC system

#186
20080289345
2008-11-27

Heat extraction machine and a method of operating a heat extraction machine

#187
20080282715
2008-11-20

Control device for refrigeration or air conditioning systems

#188
20080276636
2008-11-13

Method for controlling a refrigeration system

#189
20080276635
2008-11-13

Air conditioning apparatus

#190
20080223056
2008-09-18

Control of a refrigeration circuit with an internal heat exchanger

#191
20080216500
2008-09-11

System and method for controlling an air conditioner or heat pump

#192
20080209926
2008-09-04

Air conditioner with refrigerant quantity judging mode

#193
20080209921
2008-09-04

Refrigeration system

#194
20080196425
2008-08-21

Method for evaluating refrigeration cycle performance

#195
20080190130
2008-08-14

Heat pump system with auxiliary water heating

#196
20080148751
2008-06-26

Method of controlling multiple refrigeration devices

#197
20080078191
2008-04-03

Rotary compressor and heat pump system

#198
20070175229
2007-08-02

Method for controlling a pulsed expansion valve

#199
20070151270
2007-07-05

Refrigeration cycle

#200
20070089437
2007-04-26

Proofing a refrigeration system operating state

#201
20070044489
2007-03-01

Method for controlling amount of refrigerant of dual type unitary air conditioner

#202
20060272342
2006-12-07

Refrigeration system with parallel evaporators and variable speed compressor

#203
20060259276
2006-11-16

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

#204
20060218944
2006-10-05

Heating, ventilation and air conditioning (HVAC) system and method using feedback linearization

#205
20060162358
2006-07-27

Superheat control by pressure ratio

#206
20060112702
2006-06-01

Energy efficient capacity control for an air conditioning system

#207
20060075771
2006-04-13

Refrigeration mechanical diagnostic protection and control device

#208
20050284163
2005-12-29

Cooling cycle apparatus and method of controlling linear expansion valve of the same

#209
20050150240
2005-07-14

Supercritical refrigerant cycle system

#210
20050081543
2005-04-21

System and method for controlling temperature of refrigerant in air conditioner

#211
20050011206
2005-01-20

Electrically controlled defrost and expansion valve apparatus