ClassID:

159427

F25B2400/0401 - CPC Classification

Classification description:

General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of; Refrigeration circuit bypassing means for the compressor

Recent Application in this class:
#1
20260118016
2026-04-30

REFRIGERATION SYSTEMS AND METHODS

#2
20260036341
2026-02-05

ADIABATIC HEAT PUMP

#3
20260016198
2026-01-15

MIXED MODE COOLING SYSTEM

#4
20250334309
2025-10-30

THERMODYNAMIC SYSTEM AND MACHINE COMPRISING SAID SYSTEM

#5
20250257915
2025-08-14

METHOD AND APPARATUS FOR STAGED STARTUP OF AIR-COOLED LOW CHARGED PACKAGED AMMONIA REFRIGERATION SYSTEM

#6
20250189185
2025-06-12

ROTARY COMPRESSOR AND HOME APPLIANCE INCLUDING THE SAME

#7
20250180253
2025-06-05

HEAT PUMP

#8
20250003640
2025-01-02

REFRIGERATION SYSTEMS AND METHODS

#9
20240353161
2024-10-24

CABIN AIR COMPRESSOR BYPASS FOR SURGE AVOIDANCE

#10
20240263856
2024-08-08

REFRIGERATION SYSTEM WITH EMERGENCY COOLING USING DEDICATED COMPRESSOR

#11
20240263853
2024-08-08

INTEGRATED REFRIGERATION APPARATUS

#12
20240230198
2024-07-11

REFRIGERATION SYSTEM WITH EMERGENCY COOLING USING DEDICATED COMPRESSOR

#13
20240151436
2024-05-09

HYDROGEN COMPRESSION SYSTEM

#14
20240102710
2024-03-28

Refrigerant bypass solution

#15
20240085073
2024-03-14

Cooling device

#16
20240053076
2024-02-15

Refrigeration system with emergency cooling using dedicated compressor

#17
20240053070
2024-02-15

Method and apparatus for staged startup of air-cooled low charged packaged ammonia refrigeration system

#18
20230392842
2023-12-07

System and method for superheat regulation and efficiency improvement

#19
20230152017
2023-05-18

Refrigeration system with direct expansion refrigeration mode and refrigerant pumping energy-efficiency mode and control method of refrigeration system

#20
20230143201
2023-05-11

Methods and systems for controlling integrated air conditioning systems

#21
20230135687
2023-05-04

Heat pump

#22
20230083147
2023-03-16

Refrigerant pump and data center cooling system

#23
20220412622
2022-12-29

Refrigeration cycle apparatus

#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
20220369509
2022-11-17

Cooling device

#26
20220325931
2022-10-13

Liquid transfer pump cycle

#27
20220170465
2022-06-02

Refrigerant bypass solution

#28
20220113071
2022-04-14

Method and apparatus for staged startup of air-cooled low charged packaged ammonia refrigeration system

#29
20220090816
2022-03-24

MULTI-AIR CONDITIONER FOR HEATING, COOLING, AND VENTILATION

#30
20220065506
2022-03-03

Refrigerant cycle apparatus

#31
20210404721
2021-12-30

Cooling system with compressor bypass

#32
20210396431
2021-12-23

Refrigeration apparatus and operating method thereof

#33
20210356186
2021-11-18

System and method for superheat regulation and efficiency improvement

#34
20210325095
2021-10-21

REFRIGERATION CYCLE APPARATUS

#35
20210254864
2021-08-19

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

#36
20210180846
2021-06-17

Cooling system with compressor bypass

#37
20210164712
2021-06-03

Compressor and refrigeration device

#38
20210148621
2021-05-20

Cooling system that comprises multiple cooling apparatus and reduces power consumption

#39
20210123637
2021-04-29

Refrigeration systems and methods

#40
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

#41
20200300523
2020-09-24

Liquid transfer pump cycle

#42
20200264091
2020-08-20

Air conditioning method and device

#43
20200200181
2020-06-25

Oil control for climate-control system

#44
20200200160
2020-06-25

Oil control for climate-control system

#45
20200191453
2020-06-18

Method and apparatus for staged startup of air-cooled low charged packaged ammonia refrigeration system

#46
20200166257
2020-05-28

Refrigeration cycle apparatus

#47
20200141613
2020-05-07

Demand flow for air cooled chillers

#48
20200116396
2020-04-16

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

#49
20190331374
2019-10-31

Air conditioner having compressor bypass and evaluation of volume of connecting pipe

#50
20190212041
2019-07-11

System design for noise reduction of solenoid valve

#51
20190210427
2019-07-11

Heat pump system for vehicle

#52
20190203717
2019-07-04

Scroll compressor with integrated refrigerant pump

#53
20190186777
2019-06-20

Air conditioning system, air conditioning method, and control device

#54
20190178548
2019-06-13

Air conditioning systems and methods with cooling capacity modulation via fixed pump operation and variable condenser fan operation

#55
20190178546
2019-06-13

Cooling system with direct expansion and pumped refrigerant economization cooling

#56
20190154323
2019-05-23

Systems and methods for low load compressor operations

#57
20190101313
2019-04-04

VEHICULAR AIR CONDITIONING SYSTEMS

#58
20190093926
2019-03-28

Test chamber

#59
20190049156
2019-02-14

Adaptive trans-critical CO2 cooling system

#60
20180356139
2018-12-13

Compressor control for increased efficiency

#61
20180306473
2018-10-25

Heat pump unit control system with enhanced vapor injection capabilities for upstream and downstream liquid extraction

#62
20180259233
2018-09-13

System design for noise reduction of solenoid valve

#63
20180252442
2018-09-06

Cooling system with parallel compression

#64
20180224175
2018-08-09

Liquid transfer pump cycle

#65
20180216851
2018-08-02

COrefrigeration system with direct COheat exchange for building temperature control

#66
20180209696
2018-07-26

Two-stage compression refrigeration cycle

#67
20180195781
2018-07-12

Oil management for micro booster supermarket refrigeration system

#68
20180195773
2018-07-12

Micro booster supermarket refrigeration architecture

#69
20180156513
2018-06-07

Refrigeration system

#70
20180156505
2018-06-07

METHODS AND SYSTEMS FOR CONTROLLING INTEGRATED AIR CONDITIONING SYSTEMS

#71
20170299242
2017-10-19

Demand flow for air cooled chillers

#72
20170276417
2017-09-28

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

#73
20170227259
2017-08-10

Hybrid air handler cooling unit with bi-modal heat exchanger

#74
20170219254
2017-08-03

Refrigerator and a method controlling the same

#75
20170219253
2017-08-03

Thermal management system controlling dynamic and steady state thermal loads

#76
20170122635
2017-05-04

Systems and methods for low load compressor operations

#77
20170045271
2017-02-16

Methods for controlling a compressor with double suction for refrigeration systems

#78
20160363359
2016-12-15

Cooling system with direct expansion and pumped refrigerant economization cooling

#79
20160258656
2016-09-08

System including high-side and low-side compressors

#80
20160238265
2016-08-18

PEAK LOAD SHIFTING VIA THERMAL ENERGY STORAGE USING A THERMOSYPHON

#81
20160223234
2016-08-04

Charge control system for trans-critical vapor cycle systems

#82
20160084539
2016-03-24

Cooling system having a condenser with a micro-channel cooling coil and sub-cooler having a fin-and-tube heat cooling coil

#83
20160054033
2016-02-25

Refrigerating cycle apparatus

#84
20160047576
2016-02-18

Air conditioner and method of controlling the same

#85
20150267949
2015-09-24

Combined accumulator and receiver tank

#86
20150138723
2015-05-21

Method of cooling series-connected heat sink modules

#87
20150007598
2015-01-08

Cooling system and control method thereof

#88
20150007596
2015-01-08

Systems and methods for computer room air conditioning

#89
20140260341
2014-09-18

Adaptive trans-critical carbon dioxide cooling systems

#90
20140260340
2014-09-18

Adaptive trans-critical COcooling systems for aerospace applications

#91
20140241909
2014-08-28

System including high-side and low-side compressors

#92
20140238066
2014-08-28

System including high-side and low-side compressors

#93
20140157821
2014-06-12

Receiver tank purge in vapor compression cooling system with pumped refrigerant economization

#94
20140033761
2014-02-06

Hybrid vehicle battery charging cooling apparatus

#95
20140033753
2014-02-06

Load estimator for control of vapor compression cooling system with pumped refrigerant economization

#96
20140023524
2014-01-23

Methods for controlling a compressor with double suction for refrigeration systems

#97
20140013790
2014-01-16

Cascade refrigeration cycle apparatus

#98
20130125573
2013-05-23

Heat source system and control method therefor

#99
20130104582
2013-05-02

Refrigeration system for cooling a container

#100
20130086931
2013-04-11

Air conditioning apparatus and control method thereof

#101
20130036757
2013-02-14

REFRIGERATION CYCLE APPARATUS

#102
20130000344
2013-01-03

Air conditioner

#103
20120324911
2012-12-27

DUAL-LOOP COOLING SYSTEM

#104
20120167606
2012-07-05

REFRIGERATION CYCLE APPARATUS

#105
20120111050
2012-05-10

AIR CONDITIONER

#106
20120073318
2012-03-29

Refrigerant system with multiple load modes

#107
20120014812
2012-01-19

Compressor surge control system and method

#108
20110283721
2011-11-24

Direct drive system with booster compressor

#109
20110247358
2011-10-13

REFRIGERATION CYCLE APPARATUS

#110
20110209491
2011-09-01

Reversible system for recovering of heat energy by sampling and transfer of calories from one or more media into one or more other such media

#111
20110113802
2011-05-19

Air conditioner

#112
20110108242
2011-05-12

Method and Apparatus for Cooling a Temperature-Sensitive Assembly of a Motor Vehicle

#113
20110100041
2011-05-05

Heat pump control system using passive defrost

#114
20110094246
2011-04-28

Methods and systems for controlling integrated air conditioning systems

#115
20110068085
2011-03-24

Method of processing a workpiece in a plasma reactor using multiple zone feed forward thermal control

#116
20110065279
2011-03-17

Method of processing a workpiece in a plasma reactor using feed forward thermal control

#117
20110023533
2011-02-03

REFRIGERATING CYCLE DEVICE

#118
20100326105
2010-12-30

Refrigerating device, in particular for aircraft

#119
20100319851
2010-12-23

Plasma reactor with feed forward thermal control system using a thermal model for accommodating RF power changes or wafer temperature changes

#120
20100314046
2010-12-16

Plasma reactor with a multiple zone thermal control feed forward control apparatus

#121
20100107658
2010-05-06

DATA CENTER COOLING DEVICE AND METHOD

#122
20100094465
2010-04-15

Methods and systems for controlling air conditioning systems having a cooling mode and a free-cooling mode

#123
20100077788
2010-04-01

Cascading air-source heat pump

#124
20100050669
2010-03-04

Air conditioning systems and methods having free-cooling pump-protection sequences

#125
20100042265
2010-02-18

Free-cooling capacity control for air conditioning systems

#126
20100036531
2010-02-11

METHODS AND SYSTEMS FOR CONTROLLING AIR CONDITIONING SYSTEMS HAVING A COOLING MODE AND A FREE-COOLING MODE

#127
20100036530
2010-02-11

AIR CONDITIONING SYSTEMS AND METHODS HAVING FREE-COOLING PUMP STARTING SEQUENCES

#128
20100023166
2010-01-28

FREE-COOLING LIMITATION CONTROL FOR AIR CONDITIONING SYSTEMS

#129
20100000246
2010-01-07

METHOD AND DEVICE FOR COOLING BEVERAGES

#130
20090272128
2009-11-05

Cascade cooling system with intercycle cooling or additional vapor condensation cycle

#131
20090165481
2009-07-02

Air conditioning system

#132
20090095001
2009-04-16

Liquid evaporation cooling apparatus

#133
20090031737
2009-02-05

Refrigeration System

#134
20080289350
2008-11-27

TWO STAGE TRANSCRITICAL REFRIGERATION SYSTEM

#135
20080276638
2008-11-13

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

#136
20080264075
2008-10-30

Heat pump system with extended run time boost compressor

#137
20080236189
2008-10-02

Air conditioner with oil recovery function

#138
20080223065
2008-09-18

Air conditioning system having a pressure compensation device

#139
20080216499
2008-09-11

Pressure equalization component for a compressor

#140
20080173034
2008-07-24

HEAT PUMP APPARATUS AND METHOD

#141
20080115523
2008-05-22

Cooling system and method

#142
20080115515
2008-05-22

Cooling system and method

#143
20080098760
2008-05-01

Heat pump system and controls

#144
20080098754
2008-05-01

Economized refrigeration system

#145
20080041072
2008-02-21

Heat pump with accumulator at boost compressor output

#146
20070220915
2007-09-27

Air conditioning unit, operatable with carbon dioxide, for vehicles and method for operating the air conditioning unit

#147
20070220910
2007-09-27

Refrigeration Installation and Method for Operating a Refrigeration Installation

#148
20070091541
2007-04-26

Method of processing a workpiece in a plasma reactor using feed forward thermal control

#149
20070091540
2007-04-26

Method of processing a workpiece in a plasma reactor using multiple zone feed forward thermal control

#150
20070091539
2007-04-26

Plasma reactor with feed forward thermal control system using a thermal model for accommodating RF power changes or wafer temperature changes

#151
20070091538
2007-04-26

Plasma reactor with wafer backside thermal loop, two-phase internal pedestal thermal loop and a control processor governing both loops

#152
20070091537
2007-04-26

Method for agile workpiece temperature control in a plasma reactor using a thermal model

#153
20070089834
2007-04-26

Plasma reactor with a multiple zone thermal control feed forward control apparatus

#154
20070000264
2007-01-04

Variable evaporator control for a gas dryer

#155
20060288720
2006-12-28

Method and apparatus for air conditioning using a primary and an ancillary power source

#156
20060266074
2006-11-30

Heat pump system with multi-stage compression

#157
20060266063
2006-11-30

Heat pump system with multi-stage compression

#158
20060168973
2006-08-03

Cold climate air-source heat pump

#159
20060065003
2006-03-30

Refrigeration system of air conditioning apparatuses with bypass line between inlet and outlet of compressor

#160
20060037333
2006-02-23

Air-conditioner and operation control method thereof

#161
20050284169
2005-12-29

Thermo siphon chiller refrigerator for use in cold district

#162
20050126213
2005-06-16

Cooling circuit apparatus and method

#163
20050120740
2005-06-09

Cooling apparatus and a thermostat with the apparatus installed therein

#164
20050044866
2005-03-03

Boosted air source heat pump

#165
20050028552
2005-02-10

Vapor compression type refrigerating machine

#166
17809673
2024-10-29

Thermal management system for highly transient pulsed high-heat-flux loads