ClassID:

159070

F25B1/053 - CPC Classification

Classification description:

Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of turbine type

Recent Application in this class:
#1
20260078933
2026-03-19

TURBO REFRIGERATOR, REFRIGERATOR CONTROL DEVICE, TURBO REFRIGERATOR CONTROL METHOD, AND PROGRAM

#2
20260029178
2026-01-29

CONDENSER AND TURBO REFRIGERATOR

#3
20250290527
2025-09-18

OIL LUBRICATED FLUID PUMPS WITH OIL SEPARATORS

#4
20250189183
2025-06-12

TURBO CHILLER

#5
20250052258
2025-02-13

CENTRIFUGAL COMPRESSOR WITH LIQUID INJECTION

#6
20240318873
2024-09-26

Compressor and seal

#7
20230358255
2023-11-09

OIL LUBRICATED FLUID PUMPS WITH OIL SEPARATORS

#8
20230129766
2023-04-27

Refrigeration unit with dynamic air cooling and a working element of the unit

#9
20230087561
2023-03-23

System and method for cooling power electronics of refrigerant compressors

#10
20230037800
2023-02-09

Integrated expander and motor-compressor assembly and closed loop cooling circuit comprising such an assembly

#11
20230014676
2023-01-19

Grease and refrigeration cycle apparatus using grease as lubricant

#12
20220412626
2022-12-29

Surge prevention in a chiller with centrifugal compressor

#13
20220341437
2022-10-27

Active unloading device for mixed flow compressors

#14
20220333859
2022-10-20

Refrigeration device and system

#15
20220333828
2022-10-20

Refrigeration device and facility

#16
20220325720
2022-10-13

COMPRESSOR SHROUDED IMPELLER ARRANGEMENT

#17
20220290692
2022-09-15

Centrifugal compressor with liquid injection

#18
20220275999
2022-09-01

REFRIGERATION AND/OR LIQUEFACTION METHOD, DEVICE AND SYSTEM

#19
20220243959
2022-08-04

Chiller system with direct-drive switched reluctance motor

#20
20220235973
2022-07-28

AIR CONDITIONING SYSTEM WITH INTEGRATED WATER EXTRACTION LOOP

#21
20220186985
2022-06-16

Surge protection for a multistage compressor

#22
20220136744
2022-05-05

TURBO CHILLER

#23
20220090829
2022-03-24

High performance compressors and vapor compression systems

#24
20210285453
2021-09-16

Flushing of a touchdown bearing

#25
20210284891
2021-09-16

Heat transport device and heat transport method using same

#26
20210270279
2021-09-02

Method and system for compressor operating range extension via active valve control

#27
20210254876
2021-08-19

Compressor and chiller system having the same

#28
20210247107
2021-08-12

METHOD AND SYSTEM FOR COOLING A MOTOR DURING MOTOR STARTUP

#29
20210215161
2021-07-15

System and method for predicting a surge of a centrifugal refrigeration compressor and air-conditioning unit

#30
20210190394
2021-06-24

Turbo refrigerator and startup control method therefor

#31
20210115929
2021-04-22

Turbo compressor

#32
20210108843
2021-04-15

Refrigeration machine control device, turbo refrigeration machine, refrigeration machine control method, and program

#33
20210102720
2021-04-08

Brake system for a compressor

#34
20210050765
2021-02-18

Electric motor system, and turbo compressor provided with same

#35
20210010719
2021-01-14

Turbo compressor and centrifugal chiller comprising same

#36
20200408220
2020-12-31

Impeller with external blades

#37
20200318883
2020-10-08

ROTARY MACHINE

#38
20200248592
2020-08-06

SYSTEM AND METHOD FOR CONVERTING ELECTRIC ENERGY INTO THERMAL ENERGY AND FOR STORING THERMAL ENERGY

#39
20200208642
2020-07-02

Unloading device for HVAC compressor with mixed and radial compression stages

#40
20200173464
2020-06-04

Refrigerant compressor

#41
20200141617
2020-05-07

Lubrication supply system

#42
20200096220
2020-03-26

Load operation control system

#43
20200003455
2020-01-02

Variable stage compressors

#44
20190390687
2019-12-26

Compressor suction pipe, compression unit, and chiller

#45
20190375971
2019-12-12

HEAT-TRANSFER FLUID FOR A CENTRIFUGAL COMPRESSOR

#46
20190301777
2019-10-03

HEAT SOURCE SYSTEM, CONTROL DEVICE, CONTROL METHOD, AND PROGRAM

#47
20190271491
2019-09-05

Vapor compression system with refrigerant-lubricated compressor

#48
20190264956
2019-08-29

High efficiency air conditioning systems and methods

#49
20190264955
2019-08-29

Turbo-compressor-condenser-expander

#50
20190212040
2019-07-11

CONVERGING SUCTION LINE FOR COMPRESSOR

#51
20190211834
2019-07-11

TURBO COMPRESSOR AND TURBO REFRIGERATOR PROVIDED WITH SAME

#52
20190170379
2019-06-06

Air system

#53
20190162457
2019-05-30

Lubrication and cooling system

#54
20190154310
2019-05-23

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

#55
20190154024
2019-05-23

Method for protecting an electric motor of a device with a motor driven consumer with a continuous capacity control system and choice of such a motor

#56
20190137155
2019-05-09

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

#57
20190128580
2019-05-02

Turbo freezing machine and start-up control method therefor

#58
20190063801
2019-02-28

EVAPORATOR AND CENTRIFUGAL CHILLER PROVIDED WITH THE SAME

#59
20190049161
2019-02-14

Axial flow compressor for HVAC chiller systems

#60
20190041110
2019-02-07

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

#61
20190041100
2019-02-07

CONDENSER, AND CENTRIFUGAL CHILLER EQUIPPED WITH THE SAME

#62
20180356129
2018-12-13

CENTRIFUGAL REFRIGERANT VAPOUR COMPRESSORS

#63
20180347860
2018-12-06

HEAT SOURCE MACHINE AND OPERATING METHOD THEREFOR

#64
20180328634
2018-11-15

Turbo compressor having an inner passage for cooling the motor

#65
20180283736
2018-10-04

Low back pressure flow limiter

#66
20180274831
2018-09-27

Converging suction line for compressor

#67
20180252233
2018-09-06

TURBO COMPRESSOR AND TURBO CHILLING APPARATUS EQUIPPED WITH THE TURBO COMPRESSOR

#68
20180224168
2018-08-09

Low capacity, low-GWP, HVAC system

#69
20180216879
2018-08-02

Method for starting and operating a plant for the liquefaction of a gaseous product

#70
20180209709
2018-07-26

Refrigerating machine and control method therefor

#71
20180180333
2018-06-28

Liquid sensing for refrigerant-lubricated bearings

#72
20180135893
2018-05-17

Turbo refrigeration apparatus

#73
20180094842
2018-04-05

Combined suction header and accumulator unit

#74
20180094626
2018-04-05

COMPRESSOR DRIVING MOTOR AND COOLING METHOD FOR SAME

#75
20180080687
2018-03-22

Turbo-compressor-condenser-expander

#76
20180079943
2018-03-22

Heat-transfer fluid for a centrifugal compressor

#77
20180073785
2018-03-15

Low-oil refrigerants and vapor compression systems

#78
20180073779
2018-03-15

CENTRIFUGAL COMPRESSOR

#79
20180066873
2018-03-08

Compressor and refrigeration cycle apparatus

#80
20180066871
2018-03-08

Refrigerant circulation device, refrigerant circulation method, refrigerant filling method, and method for operating refrigerant circulation device

#81
20180066170
2018-03-08

COMPOSITION FOR HEAT CYCLE SYSTEM AND HEAT CYCLE SYSTEM

#82
20180058460
2018-03-01

Compressor and the compressor controlling method

#83
20180044567
2018-02-15

Composition for heat cycle system and heat cycle system

#84
20180023871
2018-01-25

Temperature control method

#85
20170254568
2017-09-07

Centrifugal chiller

#86
20170254223
2017-09-07

Method for cooling off the compressed gas of a compressor installation and compressor installation in which this method is applied

#87
20170248355
2017-08-31

Economizer used in chiller system

#88
20170248346
2017-08-31

Centrifugal refrigerant vapour compressors

#89
20170227268
2017-08-10

Lubricant separator for a heating, ventilation, and air conditioning system

#90
20170211584
2017-07-27

IMPELLER, CENTRIFUGAL COMPRESSOR, AND REFRIGERATION CYCLE APPARATUS

#91
20170198720
2017-07-13

Centrifugal compressor with liquid injection

#92
20170198707
2017-07-13

Centrifugal compressor with hot gas injection

#93
20170191702
2017-07-06

HIGH EFFICIENCY AIR CONDITIONING SYSTEMS AND METHODS

#94
20170176053
2017-06-22

Hot gas bypass for two-stage compressor

#95
20170146271
2017-05-25

TURBO CHILLER

#96
20170131006
2017-05-11

Refrigerant cooling for variable speed drive

#97
20170118872
2017-04-27

Refrigeration system and cooling method of electronic control unit thereof

#98
20170097006
2017-04-06

Centrifugal compressor with surge prediction

#99
20170074275
2017-03-16

Control system and method for centrifugal compressor

#100
20170029679
2017-02-02

Use of R-1233 in liquid chillers

#101
20170009775
2017-01-12

Capacity control system and method for multi-stage centrifugal compressor

#102
20170003679
2017-01-05

Chiller control device, chiller, and chiller diagnostic method

#103
20170002824
2017-01-05

Turbo machine and refrigerating cycle apparatus

#104
20160377326
2016-12-29

Method of producing refrigeration with R1233zd

#105
20160273549
2016-09-22

CENTRIFUGAL COMPRESSOR ASSEMBLY AND METHOD

#106
20160265815
2016-09-15

Steam turbine driven centrifugal heat pump

#107
20160238299
2016-08-18

Chiller system and control method thereof

#108
20160216024
2016-07-28

Heat source machine and control method therefor

#109
20160208809
2016-07-21

Compressor including flow control insert and electromagnetic actuator

#110
20160208808
2016-07-21

Regulator assembly and centrifugal compressor

#111
20160169236
2016-06-16

Turbo compressor and turbo refrigerator

#112
20160153471
2016-06-02

Turbo compressor and turbo refrigerating machine

#113
20160153462
2016-06-02

TURBO COMPRESSOR AND TURBO REFRIGERATING MACHINE

#114
20160138841
2016-05-19

Compressor with rotor cooling passageway

#115
20160138835
2016-05-19

Turbo refrigerator

#116
20160138612
2016-05-19

Turbo-compressor-condenser-expander

#117
20160131150
2016-05-12

Sealing mechanism and turbo refrigerator

#118
20160123639
2016-05-05

TURBO REFRIGERATOR

#119
20160116190
2016-04-28

Turbo refrigerator

#120
20160109139
2016-04-21

Heat pump

#121
20160061210
2016-03-03

Turbo compressor and turbo chiller using same

#122
20160054040
2016-02-25

Compressor bearing cooling via purge unit

#123
20160047575
2016-02-18

Compressor bearing cooling

#124
20160040915
2016-02-11

Compressor bearing cooling

#125
20160010654
2016-01-14

Oil tank of turbo chiller compressor and turbo chiller compressor

#126
20160003510
2016-01-07

Lubrication and cooling system

#127
20150377250
2015-12-31

Inlet guide vane mechanism

#128
20150354849
2015-12-10

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

#129
20150354589
2015-12-10

Centrifugal compressor with extended operating range

#130
20150345507
2015-12-03

Compressor and turbo chiller

#131
20150315862
2015-11-05

Extended shale shaker screen handle(s)

#132
20150276282
2015-10-01

Motor cooling system for chillers

#133
20150219110
2015-08-06

Centrifugal compressor startup control

#134
20150167689
2015-06-18

Turbo compressor and turbo refrigerator

#135
20150162676
2015-06-11

Mounting structure for connection terminal, turbo compressor, and turbo refrigerator

#136
20150159668
2015-06-11

Turbo compressor and turbo refrigerator

#137
20150139822
2015-05-21

Cooling devices and methods for use with electric submersible pumps

#138
20150128640
2015-05-14

Two-stage centrifugal compressor with extended range and capacity control features

#139
20150128627
2015-05-14

Liquid level indicator, turbo compressor, and turbo refrigerator

#140
20150068230
2015-03-12

Cooling devices and methods for use with electric submersible pumps

#141
20150056059
2015-02-26

Control system

#142
20150013360
2015-01-15

Coaxial economizer assembly and method

#143
20150010383
2015-01-08

Centrifugal compressor diffuser control

#144
20140371919
2014-12-18

Centrifugal refrigerant vapour compressors

#145
20140358253
2014-12-04

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

#146
20140356138
2014-12-04

Variable-speed multi-stage refrigerant centrifugal compressor with diffusers

#147
20140345317
2014-11-27

Temperature control apparatus, processing apparatus, and temperature control method

#148
20140260388
2014-09-18

Refrigerating apparatus and control device for refrigerating machine

#149
20140260385
2014-09-18

Refrigerating apparatus and corresponding control device

#150
20140216068
2014-08-07

Chiller system and control method thereof

#151
20140208788
2014-07-31

Centrifugal compressor with extended operating range

#152
20140202202
2014-07-24

Centrifugal compressor

#153
20140182317
2014-07-03

Economized Centrifugal Compressor

#154
20140150490
2014-06-05

Evaporator and turbo chiller including the same

#155
20140069138
2014-03-13

Turbo-compressor-condenser-expander

#156
20140047861
2014-02-20

Turbo refrigerator

#157
20130263619
2013-10-10

Combustion engine waste heat powered air-conditioning system

#158
20130213067
2013-08-22

Heat source device

#159
20130125570
2013-05-23

High capacity chiller compressor

#160
20130091878
2013-04-18

Cooling devices and methods for use with electric submersible pumps

#161
20130061613
2013-03-14

Heat-transfer fluid for a centrifugal compressor

#162
20130031920
2013-02-07

Apparatus and method for evaluating performance of centrifugal chiller

#163
20120318006
2012-12-20

Defrost operations and apparatus for a transport refrigeration system

#164
20120255711
2012-10-11

Thermal accumulator and method of use

#165
20120055184
2012-03-08

CENTRIFUGAL-CHILLER AND METHOD FOR CONTROLLING THE SAME

#166
20120053898
2012-03-01

PERFORMANCE EVALUATION DEVICE FOR CENTRIFUGAL CHILLER

#167
20120047891
2012-03-01

Techniques for indirect cold temperature thermal energy storage

#168
20120029889
2012-02-02

Centrifugal chiller performance evaluation system

#169
20120017617
2012-01-26

Centrifugal compressor cooling path arrangement

#170
20120007016
2012-01-12

Azeotrope-like composition of 1,1,1,2,2,3,3-heptafluoro-3-methoxypropane and 1-chloro-3,3,3-trifluoropropene

#171
20110300006
2011-12-08

System and method for cooling a compressor motor

#172
20110296859
2011-12-08

Coaxial economizer assembly and method

#173
20110283718
2011-11-24

Heat-source system and method for controlling the same

#174
20110277498
2011-11-17

METHOD AND APPARATUS FOR CONTROLLING A REGRIGERANT COMPRESSOR, AND USE THEREOF IN A METHOD OF COOLING A HYDROCARBON STREAM

#175
20110247357
2011-10-13

TURBO REFRIGERATOR

#176
20110219809
2011-09-15

TURBO COMPRESSOR AND TURBO REFRIGERATOR

#177
20110197616
2011-08-18

HEAT PUMP APPARATUS

#178
20110185765
2011-08-04

HEAT PUMP APPARATUS

#179
20110167843
2011-07-14

HEAT PUMP AND METHOD FOR CALCULATING HEATING-MEDIUM FLOW RATE OF HEAT PUMP

#180
20110120162
2011-05-26

Performance evaluation device for variable-speed centrifugal chiller

#181
20110107787
2011-05-12

Vertically arranged heat pump and method of manufacturing the vertically arranged heat pump

#182
20110094251
2011-04-28

DUAL TURBO CENTRIFUGAL CHILLER

#183
20110093133
2011-04-21

Controllers and methods for providing computerized generation and use of a three dimensional surge map for control of chillers

#184
20110048046
2011-03-03

Compressor control system using a variable geometry diffuser

#185
20110036114
2011-02-17

DUAL CENTRIFUGAL CHILLER

#186
20110036100
2011-02-17

Heat pump

#187
20110016916
2011-01-27

TURBO COMPRESSOR AND REFRIGERATOR

#188
20110012052
2011-01-20

Halogenated alkene heat transfer composition with improved oil return

#189
20100326130
2010-12-30

Economizer having multiple liquid outlets and multiple float expansion valves

#190
20100326095
2010-12-30

Use of R-1233 in liquid chillers

#191
20100287969
2010-11-18

REFRIGERATOR

#192
20100263391
2010-10-21

Control Device for HVAC Systems with Inlet and Outlet Flow Control Devices

#193
20100198409
2010-08-05

Sequencing of variable speed compressors in a chilled liquid cooling system for improved energy efficiency

#194
20100180631
2010-07-22

Turbo-compressor-condenser-expander

#195
20100180629
2010-07-22

Turbo chiller, heat source system, and method for controlling the same

#196
20100170274
2010-07-08

Turbo chiller, heat source system, and methods for controlling them

#197
20100162740
2010-07-01

Refrigerating device and method for circulating a refrigerating fluid associated with it

#198
20090301113
2009-12-10

Heat Source Apparatus , Heat Source System, And Method Of Controlling Heat Source Apparatus

#199
20090229280
2009-09-17

High capacity chiller compressor

#200
20090208331
2009-08-20

Centrifugal compressor assembly and method

#201
20090205362
2009-08-20

Centrifugal compressor assembly and method

#202
20090205361
2009-08-20

Coaxial economizer assembly and method

#203
20090196745
2009-08-06

Inlet guide vane, compressor and refrigerator

#204
20090196741
2009-08-06

Turbo compressor and refrigerator

#205
20090193845
2009-08-06

Turbo compressor and refrigerator

#206
20090193843
2009-08-06

Turbo compressor and refrigerator

#207
20090193841
2009-08-06

Turbo compressor with multiple stages of compression devices

#208
20090193839
2009-08-06

Turbo compressor and refrigerator

#209
20080253877
2008-10-16

Control system

#210
20080115527
2008-05-22

High capacity chiller compressor

#211
20070245759
2007-10-25

Heat pump that evaporates water as a working liquid to generate a working vapor

#212
20070212232
2007-09-13

System and method for cooling a compressor motor

#213
20070175240
2007-08-02

Method and apparatus for cooling a stream, in particular a hydrocarbon stream such as natural gas

#214
20070147985
2007-06-28

Turbo compressor

#215
20070147984
2007-06-28

Turbo compressor

#216
20060242985
2006-11-02

Refrigeration/air-conditioning apparatus powered by an engine exhaust gas driven turbine

#217
20060150668
2006-07-13

Refrigerating apparatus with turbo compressor

#218
20060147301
2006-07-06

Centrifugal compressor for turbo chiller, turbo chiller, and control method therefor

#219
20050223737
2005-10-13

Centrifugal compressor

#220
20050178134
2005-08-18

Method and installation for controlling at least one cryogenic centrifugal compressor compression line

#221
20050144965
2005-07-07

Turbo chiller, compressor therefor, and control method therefor

#222
20050076656
2005-04-14

System and method for stability control in a centrifugal compressor