Patents-Review.com
ClassID:

159537 ⎘

F25B2600/2509 - CPC Classification

Classification description:

Control issues; Control of valves Economiser valves

Recent Application in this class:
#1
20250347446
2025-11-13

ECONOMIZER INJECTION IN A RECIPROCATING COMPRESSOR

 #2
20250341350
2025-11-06

APPARATUS AND METHODS FOR INCREASING ENERGY EFFICIENCY OF PUMPED REFRIGERANT COOLING SYSTEMS

 #3
20250109898
2025-04-03

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

 #4
20240210085
2024-06-27

AIR CONDITIONING SYSTEM WITH VAPOR INJECTION COMPRESSOR

 #5
20230358449
2023-11-09

Refrigeration system with combined superheat and subcooling control

 #6
20230128232
2023-04-27

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

 #7
20230055507
2023-02-23

Air conditioning system with vapor injection compressor

 #8
20230041180
2023-02-09

ECONOMIZER INJECTION IN A RECIPROCATING COMPRESSOR

 #9
20220364771
2022-11-17

Thermal storage of carbon dioxide system for power outage

 #10
20220341633
2022-10-27

Thermal storage of carbon dioxide system for power outage

 #11
20220333832
2022-10-20

APPARATUS AND METHODS FOR INCREASING ENERGY EFFICIENCY OF PUMPED REFRIGERANT COOLING SYSTEMS

 #12
20220221207
2022-07-14

Method for controlling suction pressure of a vapour compression system

 #13
20220107121
2022-04-07

Refrigeration system with combined superheat and subcooling control

 #14
20220034566
2022-02-03

Method for controlling a vapour compression system based on estimated flow

 #15
20210372680
2021-12-02

Refrigeration cycle apparatus that injects refrigerant into compressor during low load operation

 #16
20210364210
2021-11-25

Systems and methods for pressure control in a CO2 refrigeration system

 #17
20210356177
2021-11-18

Refrigeration cycle device

 #18
20210302085
2021-09-30

Refrigerated container refrigeration system capable of preventing freezing of container door

 #19
20210285692
2021-09-16

Multiple stage refrigeration system and control method thereof

 #20
20210215408
2021-07-15

Economizer control systems and methods

 #21
20210088260
2021-03-25

Modular waterside economizer for air-cooled chillers

 #22
20210071668
2021-03-11

Variable economizer injection position

 #23
20200400349
2020-12-24

Thermal storage of carbon dioxide system for power outage

 #24
20200378667
2020-12-03

Air conditioning system with vapor injection compressor

 #25
20200363102
2020-11-19

Integrated cooling system with flooded air conditioning heat exchanger

 #26
20200116407
2020-04-16

Method of control for economizer of transport refrigeration units

 #27
20200116402
2020-04-16

Air conditioner

 #28
20190301773
2019-10-03

Method for controlling a vapour compression system during gas bypass valve malfunction

 #29
20190299132
2019-10-03

Method for controlling a vapour compression system during gas bypass valve malfunction

 #30
20190285318
2019-09-19

Heat pump system with multiple operating modes

 #31
20190285317
2019-09-19

Heat pump system and start up control method thereof

 #32
20190277550
2019-09-12

Refrigeration cycle apparatus

 #33
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

 #34
20190186776
2019-06-20

Air conditioner system and a control method for the same

 #35
20190170379
2019-06-06

Air system

 #36
20190128571
2019-05-02

Hot gas bypass for battery pack cold start

 #37
20190113264
2019-04-18

Refrigeration device and controller for refrigeration device

 #38
20190078818
2019-03-14

Refrigeration system with combined superheat and subcooling control

 #39
20190063793
2019-02-28

Multi-split system and liquid return prevention control method thereof during defrosting of multi-split system

 #40
20190049155
2019-02-14

Air conditioner

 #41
20190048873
2019-02-14

Single-stage compressor and energy system using the same

 #42
20190041102
2019-02-07

Thermal storage of carbon dioxide system for power outage

 #43
20190032981
2019-01-31

Air conditioning system with vapor injection compressor

 #44
20190017949
2019-01-17

Temperature control system, temperature control device and refrigeration device

 #45
20190017732
2019-01-17

Mixed model compressor

 #46
20190011159
2019-01-10

Air conditioning device using vapor injection cycle and method for controlling the device

 #47
20180363954
2018-12-20

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

 #48
20180356137
2018-12-13

Refrigeration system and controlling method for starting the refrigeration system

 #49
20180347868
2018-12-06

Air-conditioning apparatus

 #50
20180340700
2018-11-29

VARIABLE REFRIGERANT FLOW SYSTEM

 #51
20180283755
2018-10-04

Two-stage compression air conditioning system and method of controlling gas replenishment thereof

 #52
20180259218
2018-09-13

Air conditioning system

 #53
20180216851
2018-08-02

COrefrigeration system with direct COheat exchange for building temperature control

 #54
20180202442
2018-07-19

Electric compressor controller and refrigeration cycle device

 #55
20180180337
2018-06-28

Variable refrigerant flow air conditioning system and method for controlling electronic expansion valve thereof

 #56
20180156513
2018-06-07

Refrigeration system

 #57
20180128270
2018-05-10

Scroll compressor and refrigeration cycle apparatus

 #58
20180106505
2018-04-19

Supplemental heating and cooling system

 #59
20180022184
2018-01-25

Vehicle air conditioner having a gas injection cycle

 #60
20180017059
2018-01-18

Variable economizer injection position

 #61
20170336120
2017-11-23

Refrigeration apparatus

 #62
20170328604
2017-11-16

Method for operating a vapour compression system with a receiver

 #63
20170268791
2017-09-21

Multi-split system and medium-pressure controlling method thereof

 #64
20170248355
2017-08-31

Economizer used in chiller system

 #65
20170205128
2017-07-20

Outdoor unit and refrigeration cycle apparatus

 #66
20170205122
2017-07-20

Air conditioner

 #67
20170167762
2017-06-15

Refrigeration cycle apparatus

 #68
20170131026
2017-05-11

Method and system for producing a pressurized and at least partially condensed mixture of hydrocarbons

 #69
20170105427
2017-04-20

Thermodynamic system for thermal treatment and machine comprising the system, for making liquid and semi-liquid products

 #70
20170097177
2017-04-06

Air-conditioning apparatus

 #71
20170074569
2017-03-16

Refrigeration apparatus

 #72
20170074567
2017-03-16

Cooling system with low temperature load

 #73
20170074550
2017-03-16

Cooling system with low temperature load

 #74
20160370039
2016-12-22

Refrigeration apparatus

 #75
20160356537
2016-12-08

Cooling cycle apparatus for refrigerator

 #76
20160320111
2016-11-03

Refrigeration cycle apparatus

 #77
20160305697
2016-10-20

Refrigerant control system for a flash tank

 #78
20160273816
2016-09-22

Refrigeration apparatus

 #79
20160245540
2016-08-25

Air-conditioning apparatus

 #80
20160236538
2016-08-18

Vehicular air conditioner

 #81
20160231035
2016-08-11

Air conditioner with oil separator and injection control thereof

 #82
20160216015
2016-07-28

Air-conditioning apparatus

 #83
20160201954
2016-07-14

Air conditioner

 #84
20160102901
2016-04-14

Systems and methods for pressure control in a COrefrigeration system

 #85
20160097568
2016-04-07

Air-conditioning apparatus

 #86
20160091236
2016-03-31

Air conditioning system with vapor injection compressor

 #87
20160068047
2016-03-10

Refrigeration cycle device

 #88
20160047576
2016-02-18

Air conditioner and method of controlling the same

 #89
20150362235
2015-12-17

Air-conditioning apparatus

 #90
20150354878
2015-12-10

Air-conditioning apparatus

 #91
20150338121
2015-11-26

Air-conditioning apparatus

 #92
20150330692
2015-11-19

Method for controlling an economizer circuit

 #93
20150316284
2015-11-05

Air-conditioning apparatus

 #94
20150316275
2015-11-05

Air-conditioning apparatus with subcooling heat exchanger

 #95
20150308701
2015-10-29

Air-conditioning apparatus

 #96
20150285539
2015-10-08

Heat pump system with multiple operating modes

 #97
20150267957
2015-09-24

Air conditioner with two injection circuits and method of controlling the air conditioner

 #98
20150267954
2015-09-24

Air conditioner and method for controlling an air conditioner

 #99
20150267932
2015-09-24

Air conditioner and method for controlling the same

 #100
20150219379
2015-08-06

Transcritical refrigerant vapor compression system high side pressure control

 #101
20150211772
2015-07-30

Refrigeration cycle apparatus

 #102
20150168044
2015-06-18

Air conditioner and method of controlling an air conditioner

 #103
20150168037
2015-06-18

Air-conditioning apparatus

 #104
20150143841
2015-05-28

Refrigeration apparatus

 #105
20150107290
2015-04-23

Air-conditioning apparatus with low outside air temperature mode

 #106
20150107284
2015-04-23

Actuation method of a refrigerating machine provided with an economizer apparatus

 #107
20150096321
2015-04-09

Refrigeration apparatus

 #108
20150047381
2015-02-19

Container refrigeration device

 #109
20150040608
2015-02-12

Compressor and air conditioner including the same

 #110
20150020535
2015-01-22

Air-conditioning apparatus with low outside air temperature mode

 #111
20150013361
2015-01-15

Closed loop capacity and power management scheme for multi stage transport refrigeration system

 #112
20150007598
2015-01-08

Cooling system and control method thereof

 #113
20140360218
2014-12-11

Air-conditioning apparatus

 #114
20140352343
2014-12-04

CO2 refrigeration system with hot gas defrost

 #115
20140305150
2014-10-16

Air conditioner and method for controlling the same

 #116
20140305144
2014-10-16

Air conditioner and method for controlling the same

 #117
20140238067
2014-08-28

Integration valve and heat pump cycle

 #118
20140208785
2014-07-31

System and method for control of a transcritical refrigeration system

 #119
20140150489
2014-06-05

Startup logic for refrigeration system

 #120
20140137588
2014-05-22

Air conditioner

 #121
20140083123
2014-03-27

Air-conditioning apparatus

 #122
20140053587
2014-02-27

Refrigeration cycle apparatus

 #123
20140013782
2014-01-16

System and method for controlling an economizer circuit

 #124
20140013780
2014-01-16

Condensing unit having fluid injection

 #125
20140000308
2014-01-02

Refrigerant circuit

 #126
20130312376
2013-11-28

Liquid vapor phase separation apparatus

 #127
20130238258
2013-09-12

Estimation apparatus of heat transfer medium flow rate, heat source machine, and estimation method of heat transfer medium flow rate

 #128
20130219927
2013-08-29

Air conditioner and control method thereof

 #129
20130213084
2013-08-22

Two-stage compression refrigeration cycle device

 #130
20130199223
2013-08-08

Variable capacity compressor and refrigerator

 #131
20130104594
2013-05-02

AIR CONDITIONER

 #132
20130104580
2013-05-02

Air conditioner and method of controlling the same

 #133
20130036757
2013-02-14

REFRIGERATION CYCLE APPARATUS

 #134
20130025306
2013-01-31

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

 #135
20130000340
2013-01-03

Refrigerating cycle apparatus having an injection circuit and operating with refrigerant in supercritical state

 #136
20120318008
2012-12-20

Refrigerant distribution apparatus and methods for transport refrigeration system

 #137
20120318006
2012-12-20

Defrost operations and apparatus for a transport refrigeration system

 #138
20120312036
2012-12-13

Temperature control system with refrigerant recovery arrangement

 #139
20120247138
2012-10-04

Transport refrigeration system and methods for same to address dynamic conditions

 #140
20120227427
2012-09-13

PARAMETER CONTROL IN TRANSPORT REFRIGERATION SYSTEM AND METHODS FOR SAME

 #141
20120198868
2012-08-09

Low suction pressure protection for refrigerant vapor compression system

 #142
20120192579
2012-08-02

Refrigerant vapor compression system operation

 #143
20120125024
2012-05-24

Heat pump and method of controlling the same

 #144
20120103005
2012-05-03

SCREW CHILLER ECONOMIZER SYSTEM

 #145
20120073318
2012-03-29

Refrigerant system with multiple load modes

 #146
20120022706
2012-01-26

SYSTEM AND METHOD FOR CONTROLLING A REFRIGERATION SYSTEM

 #147
20120011866
2012-01-19

REFRIGERANT VAPOR COMPRESSION SYSTEM WITH HOT GAS BYPASS

 #148
20110314854
2011-12-29

REFRIGERATOR

 #149
20110197606
2011-08-18

Refrigeration system with intermediate pressure vapor supply valve

 #150
20110192176
2011-08-11

AIR CONDITIONER AND CONTROL METHOD THEREOF

 #151
20110174005
2011-07-21

REFRIGERATING APPARATUS

 #152
20110162397
2011-07-07

Flash tank economizer cycle control

 #153
20110154847
2011-06-30

Air conditioner

 #154
20110154837
2011-06-30

REFRIGERANT SYSTEM WITH ADAPTIVE HOT GAS REHEAT

 #155
20110138827
2011-06-16

IMPROVED OPERATION OF A REFRIGERANT SYSTEM

 #156
20110120179
2011-05-26

HEAT PUMP TYPE COOLING/HEATING APPARATUS

 #157
20110083456
2011-04-14

Refrigeration cycle device and method of controlling the same

 #158
20110079042
2011-04-07

Non-Azeotropic refrigerant mixture and refrigeration cycle apparatus

 #159
20110072840
2011-03-31

Heat pump apparatus using supercooling degree to control expansion valve

 #160
20110023515
2011-02-03

Refrigerant control system for a flash tank

 #161
20110023514
2011-02-03

Refrigerant vapor compression system with flash tank economizer

 #162
20110000234
2011-01-06

Air conditioning apparatus and refrigerant quantity determination method

 #163
20100326107
2010-12-30

REFRIGERATION CYCLE APPARATUS

 #164
20100281894
2010-11-11

CAPACITY MODULATION OF REFRIGERANT VAPOR COMPRESSION SYSTEM

 #165
20100281882
2010-11-11

Refrigerating system and method for refrigerating

 #166
20100275624
2010-11-04

Air-Conditioning System And Controlling Method For The Same

 #167
20100251750
2010-10-07

ECONOMIZED REFRIGERANT SYSTEM WITH FLOW CONTROL

 #168
20100236264
2010-09-23

COMPRESSOR MOTOR CONTROL

 #169
20100229583
2010-09-16

Refrigeration cycle apparatus

 #170
20100212342
2010-08-26

Air conditioner and method of controlling the same

 #171
20100205988
2010-08-19

Condensing unit having fluid injection

 #172
20100199715
2010-08-12

REFRIGERANT SYSTEM WITH BYPASS LINE AND DEDICATED ECONOMIZED FLOW COMPRESSION CHAMBER

 #173
20100180612
2010-07-22

Refrigeration device

 #174
20100132399
2010-06-03

TRANSCRITICAL REFRIGERANT VAPOR COMPRESSION SYSTEM WITH CHARGE MANAGEMENT

 #175
20100115975
2010-05-13

Refrigerant vapor compression system and method of transcritical operation

 #176
20100101256
2010-04-29

Air conditioner

 #177
20100101248
2010-04-29

Refrigerant system and control method

 #178
20100095704
2010-04-22

Injection System and Method for Refrigeration System Compressor

 #179
20100095700
2010-04-22

Economizer heat exchanger

 #180
20100089082
2010-04-15

Air conditioner

 #181
20100071391
2010-03-25

CO2 REFRIGERANT SYSTEM WITH TANDEM COMPRESSORS, EXPANDER AND ECONOMIZER

 #182
20100064707
2010-03-18

Multi-stage compressor

 #183
20090320506
2009-12-31

Refrigerant system with expansion device bypass

 #184
20090272135
2009-11-05

Air conditioner

 #185
20090241569
2009-10-01

Heat pump type hot water supply outdoor apparatus

 #186
20090218077
2009-09-03

Air-conditioner with multi-stage compressor and phase separator

 #187
20090188265
2009-07-30

Air conditioning system

 #188
20090183517
2009-07-23

Vapor compression refrigerating cycle, control method thereof, and refrigerating apparatus to which the cycle and the control method are applied

 #189
20090165482
2009-07-02

Air conditioning system

 #190
20090165481
2009-07-02

Air conditioning system

 #191
20090158764
2009-06-25

Air conditioning system

 #192
20090044550
2009-02-19

AIR CONDITIONER

 #193
20080286118
2008-11-20

Capacity modulated scroll compressor system and method

 #194
20080276638
2008-11-13

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

 #195
20080264075
2008-10-30

Heat pump system with extended run time boost compressor

 #196
20080236179
2008-10-02

Injection system and method for refrigeration system compressor

 #197
20080210768
2008-09-04

Heat Pump System and Method For Heating a Fluid

 #198
20080196420
2008-08-21

Flashgas Removal From a Receiver in a Refrigeration Circuit

 #199
20080184723
2008-08-07

Multistage compressor

 #200
20080184721
2008-08-07

System and method for controlling an economizer circuit

 #201
20080098760
2008-05-01

Heat pump system and controls

 #202
20080098754
2008-05-01

Economized refrigeration system

 #203
20080078192
2008-04-03

Injection system and method for refrigeration system compressor

 #204
20080078191
2008-04-03

Rotary compressor and heat pump system

 #205
20080041094
2008-02-21

SUPERCRITICAL PRESSURE REGULATION OF ECONOMIZED REFRIGERATION SYSTEM BY USE OF AN INTERSTAGE ACCUMULATOR

 #206
20080041072
2008-02-21

Heat pump with accumulator at boost compressor output

 #207
20080022706
2008-01-31

Two-stage expansion refrigerating device

 #208
20080011014
2008-01-17

Refrigeration system

 #209
20080011004
2008-01-17

Refrigeration system having adjustable refrigeration capacity

 #210
20070151269
2007-07-05

System and method for level control in a flash tank

 #211
20070151266
2007-07-05

REFRIGERATION CYCLE APPARATUS

 #212
20070017249
2007-01-25

Refrigeration apparatus

 #213
20070000263
2007-01-04

Method and system for packaging HVAC components

 #214
20060191288
2006-08-31

Multi-stage refrigeration system including sub-cycle control characteristics

 #215
20060123840
2006-06-15

Refrigerant system with common economizer and liquid-suction heat exchanger

 #216
20060080989
2006-04-20

Refrigeration/air conditioning equipment

 #217
20060048539
2006-03-09

Refrigeration system

 #218
20060037336
2006-02-23

Compressor loading control

 #219
20050262859
2005-12-01

System and method for controlling an economizer circuit

 #220
20050252236
2005-11-17

Refrigeration device

 #221
20050247071
2005-11-10

Capacity control for economizer refrigeration systems

 #222
20050235689
2005-10-27

Control scheme for multiple operating parameters in economized refrigerant system

 #223
20050217292
2005-10-06

Refrigeration system

 #224
20050204773
2005-09-22

Refrigerating machine

 #225
20050166617
2005-08-04

Refrigerant cycle with tandem economized and conventional compressors

 #226
20050120733
2005-06-09

Vapor injection system

 #227
20050097908
2005-05-12

Compressor with unloader valve between economizer line and evaporator inlet

 #228
20050086957
2005-04-28

Refrigerant cycle with operating range extension

 #229
20050081543
2005-04-21

System and method for controlling temperature of refrigerant in air conditioner