Patents-Review.com
ClassID:

159565 ⎘

F25B2700/151 - CPC Classification

Classification description:

Sensing or detecting of parameters; Sensors therefor; Power, e.g. by voltage or current of the compressor motor

Recent Application in this class:
#1
20260110476
2026-04-23

CONTROL DEVICE, REFRIGERATION CYCLE DEVICE, CONTROL METHOD, PROGRAM

 #2
20260085865
2026-03-26

PEAK SHIFTING AND SYNCHRONIZATION OF COMPRESSOR DUTY CYCLES FOR OPTIMAL ENERGY EFFICIENCY

 #3
20260055946
2026-02-26

REFRIGERATOR APPLIANCE SELF-OPTIMIZING CONTROL SCHEME

 #4
20260039107
2026-02-05

OVERCURRENT PROTECTION CIRCUIT AND METHOD

 #5
20250044006
2025-02-06

EFFICIENCY DETERMINATION OF COOLING SYSTEMS

 #6
20240418416
2024-12-19

CONTROL OF REFRIGERATION AND HEAT PUMP SYSTEMS THAT INCLUDE PRESSURE EXCHANGERS

 #7
20240393017
2024-11-28

REFRIGERATION AND HEAT PUMP SYSTEMS WITH PRESSURE EXCHANGERS

 #8
20240302088
2024-09-12

CRYOGENIC REFRIGERATION SYSTEM AND CRYOGENIC PUMP

 #9
20240263846
2024-08-08

HEAT PUMP SYSTEMS WITH PRESSURE EXCHANGERS

 #10
20240166017
2024-05-23

TESTING DEVICE AND METHOD FOR SERVICE LIFE OF AIR-CONDITIONING COMPRESSOR OF NEW ENERGY VEHICLE RUNNING WITH PURE GAS

 #11
20240077240
2024-03-07

COMPRESSOR VOLTAGE PROTECTION MODULE ENABLING BASED ON SOFT STARTER DETECTION

 #12
20240035712
2024-02-01

HEAT PUMP SYSTEMS WITH PRESSURE EXCHANGERS

 #13
20230392603
2023-12-07

Compressor device and method for controlling such a compressor device

 #14
20230349609
2023-11-02

Refrigerator with refrigerant recovery control

 #15
20230336097
2023-10-19

METHOD FOR POWER LIMITING AN APPLIANCE MOTOR

 #16
20230296302
2023-09-21

DEVICE MANAGEMENT SYSTEM FOR INVERTER COMPRESSOR

 #17
20230288101
2023-09-14

CONTROL OF REFRIGERATION AND HEAT PUMP SYSTEMS THAT INCLUDE PRESSURE EXCHANGERS

 #18
20230213256
2023-07-06

CURRENT REGULATION IN AIR CONDITIONING SYSTEMS

 #19
20230213245
2023-07-06

Refrigeration and heat pump systems with pressure exchangers

 #20
20230204269
2023-06-29

System and method for determining efficiency of chillers

 #21
20230190074
2023-06-22

SHOE CARE APPARATUS AND METHOD FOR CONTROLLING THEREOF

 #22
20230114081
2023-04-13

Refrigerator having a cold air supply means and control method therefore

 #23
20230079856
2023-03-16

Compressor return gas dryness detection method, apparatus, device, and storage medium

 #24
20230019279
2023-01-19

SYSTEM AND METHOD FOR OPERATING A VARIABLE SPEED COMPRESSOR OF AN AIR CONDITIONER UNIT

 #25
20220412612
2022-12-29

Heat pump apparatus with compressor heating control

 #26
20220397324
2022-12-15

Control of refrigeration and heat pump systems that include pressure exchangers

 #27
20220397323
2022-12-15

HEAT PUMP DEVICE, HEAT PUMP SYSTEM, AIR CONDITIONER, AND REFRIGERATION MACHINE

 #28
20220397317
2022-12-15

Refrigeration and heat pump systems with pressure exchangers

 #29
20220397310
2022-12-15

Heat pump systems with pressure exchangers

 #30
20220357087
2022-11-10

Gas bearing compressor backup power

 #31
20220320997
2022-10-06

Buck-converter-based drive circuits for driving motors of compressors and condenser fans

 #32
20220065513
2022-03-03

Start-stop control systems and methods for gas foil bearing machine

 #33
20220065512
2022-03-03

Method for optimizing the energetic consumption of a refrigerating machine and refrigerating machine implementing said method

 #34
20220042730
2022-02-10

Abnormality determination device, freezing device including this abnormality determination device, and abnormality determination method for compressor

 #35
20220042700
2022-02-10

Determination device for refrigerant quality

 #36
20210302084
2021-09-30

Control device, refrigerator, control method, and abnormality detection method

 #37
20210293433
2021-09-23

Environmental control unit including maintenance prediction

 #38
20210293432
2021-09-23

Environmental control unit including maintenance prediction

 #39
20210285707
2021-09-16

Compressor for heat exchange system, heat exchange system and method for controlling operation of compressor

 #40
20210262717
2021-08-26

Method and system for controlling compressor temperature

 #41
20210247120
2021-08-12

Power converting apparatus and air conditioner including the same

 #42
20210215161
2021-07-15

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

 #43
20210155080
2021-05-27

Current estimating device, electric compressor, current estimating method, and motor current effective value estimating method

 #44
20210148621
2021-05-20

Cooling system that comprises multiple cooling apparatus and reduces power consumption

 #45
20210131712
2021-05-06

Refrigerator having a cold air supply means and control method therefore

 #46
20210116158
2021-04-22

Recycle information management system

 #47
20210025631
2021-01-28

Drive circuit for a variable speed fan motor

 #48
20200408449
2020-12-31

Air conditioner control method including determination of a chiller target load

 #49
20200408447
2020-12-31

Energy management for refrigeration systems

 #50
20200408218
2020-12-31

Method and apparatus for pressure equalization in rotary compressors

 #51
20200400355
2020-12-24

Refrigerator having variable speed compressor and control method thereof

 #52
20200330263
2020-10-22

Transport battery for use with portable thermal management system

 #53
20200285258
2020-09-10

Method and Apparatus for Monitoring Refrigeration-Cycle Systems

 #54
20200278141
2020-09-03

Variable speed drive input current control

 #55
20200240694
2020-07-30

Drive circuit for a variable speed fan motor

 #56
20200224948
2020-07-16

Compressor fault diagnostic apparatus and system

 #57
20200166259
2020-05-28

Refrigerator and method for controlling a compressor based on temperature of storage compartment

 #58
20200166256
2020-05-28

Compressor floodback protection system

 #59
20200116406
2020-04-16

Methods and systems for preventing premature compressor failure from improper operation

 #60
20200072520
2020-03-05

Variable speed compressor based AC system and control method

 #61
20200072220
2020-03-05

Controller unit for controlling the speed of a motor driving an oil injected compressor and method of controlling said speed

 #62
20200049394
2020-02-13

System and method for determining efficiency of chillers

 #63
20200018523
2020-01-16

REFRIGERATING SYSTEM AND REFRIGERATING SYSTEM CONTROL METHOD

 #64
20190390873
2019-12-26

Heat pump apparatus and method for installing the same

 #65
20190331379
2019-10-31

Variable speed compressor based AC system and control method

 #66
20190331376
2019-10-31

Defrosting determination device, defrosting control device, and air conditioner

 #67
20190323751
2019-10-24

Variable speed drive control for chiller coast-through

 #68
20190310004
2019-10-10

METHOD FOR OPERATING A ROTATIONAL-SPEED-VARIABLE REFRIGERANT COMPRESSOR

 #69
20190271497
2019-09-05

Refrigerator

 #70
20190258237
2019-08-22

Detection of efficiency degradation in HVAC and R systems

 #71
20190212038
2019-07-11

Method of managing compressor start for transport refrigeration system

 #72
20190178547
2019-06-13

Controller and method for compressor, compressor assembly and refrigeration system

 #73
20190178537
2019-06-13

Vapor compression system with refrigerant-lubricated compressor

 #74
20190170613
2019-06-06

Methods and apparatus for predictive failure analysis of a cooling device

 #75
20190041111
2019-02-07

Power management for CO2 transportation refrigeration system

 #76
20190024958
2019-01-24

System, method, and apparatus for monitoring refrigeration units

 #77
20190017508
2019-01-17

Variable speed compressor protection system and method

 #78
20190010939
2019-01-10

METHOD FOR DETECTING A BLOCKED VALVE OF A COOLANT COMPRESSOR AND A CONTROL SYSTEM FOR A COOLANT COMPRESSOR

 #79
20190003734
2019-01-03

Environmental control unit including maintenance prediction

 #80
20180363964
2018-12-20

Refrigerator having a cold air supply means and control method therefore

 #81
20180347879
2018-12-06

Air conditioner provided with means for predicting and detecting failure in compressor and method for predicting and detecting the failure

 #82
20180320943
2018-11-08

Methods and systems for preventing premature compressor failure from improper operation

 #83
20180306196
2018-10-25

Method and apparatus for pressure equalization in rotary compressors

 #84
20180283751
2018-10-04

Air conditioner and control method therefor

 #85
20180245822
2018-08-30

Multi-zone transport refrigeration system with an ejector system

 #86
20180238599
2018-08-23

Refrigerant charge detection for ice machines

 #87
20180233900
2018-08-16

Compressor protection and grid fault detection device

 #88
20180231267
2018-08-16

Determination device

 #89
20180224151
2018-08-09

Refrigeration system and device

 #90
20180129233
2018-05-10

Method and apparatus for monitoring refrigeration-cycle systems

 #91
20180094822
2018-04-05

Air conditioner

 #92
20180073790
2018-03-15

Energy management for refrigeration systems

 #93
20180051922
2018-02-22

Refrigeration cycle apparatus and refrigeration cycle apparatus abnormality detecting system

 #94
20180051921
2018-02-22

ADAPTIVELY CONTROLLED DEFROST CYCLE TIME FOR AN AIRCRAFT VAPOR CYCLE REFRIGERATION SYSTEM

 #95
20180017301
2018-01-18

Refrigeration rack monitor

 #96
20180013368
2018-01-11

Motor drive apparatus and refrigeration cycle apparatus

 #97
20170302200
2017-10-19

Buck-converter-based drive circuits for driving motors of compressors and condenser fans

 #98
20170302160
2017-10-19

Power factor correction circuit and method including dual bridge rectifiers

 #99
20170302159
2017-10-19

Power factor correction circuits and methods including partial power factor correction operation for boost and buck power converters

 #100
20170292742
2017-10-12

COMPRESSOR DIAGNOSTICS FOR A MODULAR OUTDOOR REFRIGERATION SYSTEM

 #101
20170266769
2017-09-21

Compressor diagnostic and protection system and method

 #102
20170261246
2017-09-14

Compressor driving apparatus and air conditioner including the same

 #103
20170241690
2017-08-24

Compressor Capacity Modulation System For Multiple Compressors

 #104
20170241689
2017-08-24

Compressor floodback protection system

 #105
20170227273
2017-08-10

Controls and operation of variable frequency drives

 #106
20170227272
2017-08-10

AIR CONDITIONER AND METHOD OF CONTROLLING THE SAME

 #107
20170218944
2017-08-03

Refrigerant compressor

 #108
20170191678
2017-07-06

Environment control system and devices

 #109
20170176053
2017-06-22

Hot gas bypass for two-stage compressor

 #110
20170152850
2017-06-01

Compressor and method for controlling the same

 #111
20170152846
2017-06-01

Compressor and method for controlling the same

 #112
20170141709
2017-05-18

Compressor driving device, compressor including the same, and refrigeration cycle apparatus including the compressor driving device and the compressor

 #113
20170089627
2017-03-30

CHILLER

 #114
20170089625
2017-03-30

Energy management for refrigeration systems

 #115
20170063248
2017-03-02

Power conversion apparatus and air conditioner including the same

 #116
20170059210
2017-03-02

Robust fixed-sequence control method and appliance for exceptional temperature stability

 #117
20170054287
2017-02-23

Compressor protection and grid fault detection device

 #118
20170051740
2017-02-23

Variable speed compressor protection system and method

 #119
20160380575
2016-12-29

Motor drive control device, compressor, air-sending device, and air-conditioning apparatus

 #120
20160329699
2016-11-10

Air conditioner and compressor protection circuit thereof

 #121
20160290671
2016-10-06

HVAC compressor prognostics

 #122
20160265545
2016-09-15

Expander-integrated compressor, refrigerator and operating method for refrigerator

 #123
20160245571
2016-08-25

Direct-current power supply device, motor driving device, air conditioner, and refrigerator

 #124
20160238299
2016-08-18

Chiller system and control method thereof

 #125
20160238284
2016-08-18

ADAPTIVE TEMPERATURE CONTROL SYSTEM FOR COOLING WORKING FLUID

 #126
20160231030
2016-08-11

Vehicle refrigeration equipment having a vapor cycle system

 #127
20160190799
2016-06-30

Compressor protection and grid fault detection device

 #128
20160169568
2016-06-16

Refrigerant level monitor for refrigeration system

 #129
20160047584
2016-02-18

Refrigerant charge detection for ice machines

 #130
20150377536
2015-12-31

Controls and operation of variable frequency drives

 #131
20150367463
2015-12-24

Compressor diagnostic and protection system and method

 #132
20150354881
2015-12-10

Motor driving device and air conditioner including the same

 #133
20150354880
2015-12-10

MOTOR DRIVING DEVICE AND AIR CONDITIONER INCLUDING THE SAME

 #134
20150338133
2015-11-26

Tandem compressor discharge pressure and temperature control logic

 #135
20150330692
2015-11-19

Method for controlling an economizer circuit

 #136
20150323235
2015-11-12

Method and apparatus for adjusting operating frequency of inverter compressor

 #137
20150292762
2015-10-15

HVAC systems and controls

 #138
20150285529
2015-10-08

Air conditioner controller, air conditioner control circuit and air conditioner control method

 #139
20150275908
2015-10-01

Centrifugal compressor inlet guide vane control

 #140
20150261230
2015-09-17

Method and apparatus for monitoring refrigeration-cycle systems

 #141
20150219378
2015-08-06

Variable speed drive control for chiller coast-through

 #142
20150219376
2015-08-06

Systems and methods for refrigerant charge detection

 #143
20150194912
2015-07-09

Air conditioner

 #144
20150192337
2015-07-09

Methods and apparatus for determining power consumption

 #145
20150075766
2015-03-19

Environment control system and devices

 #146
20150056059
2015-02-26

Control system

 #147
20150007591
2015-01-08

Method for detection of loss of refrigerant

 #148
20140338380
2014-11-20

Heat pump device, air conditioner, and freezer

 #149
20140271232
2014-09-18

System and method for controlling compressor motor voltage

 #150
20140260378
2014-09-18

Robust fixed-sequence control method and appliance for exceptional temperature stability

 #151
20140260377
2014-09-18

Net heat load compensation control method and appliance for temperature stability

 #152
20140223926
2014-08-14

Heat pump device, heat pump system, and method for controlling inverter

 #153
20140216068
2014-08-07

Chiller system and control method thereof

 #154
20140182318
2014-07-03

Refrigerator, home appliance, and method of operating the same

 #155
20140180483
2014-06-26

Intelligent thermostatic control method and device for an air conditioner blowing cold and hot air

 #156
20140150482
2014-06-05

Transport refrigeration apparatus

 #157
20140069121
2014-03-13

Protection and diagnostic module for a refrigeration system

 #158
20140012422
2014-01-09

Method and apparatus for monitoring refrigeration-cycle systems

 #159
20140000294
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

 #160
20140000293
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

 #161
20140000292
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

 #162
20140000291
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

 #163
20140000290
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

 #164
20130294933
2013-11-07

Compressor diagnostic and protection system and method

 #165
20130291578
2013-11-07

Heat pump device, heat pump system, and method for controlling three-phase inverter

 #166
20130287063
2013-10-31

Method and apparatus for monitoring a refrigeration-cycle system

 #167
20130269370
2013-10-17

Heat pump device, heat pump system, and method for controlling inverter

 #168
20130264048
2013-10-10

Cooling method and apparatus

 #169
20130218523
2013-08-22

Predictive maintenance method for a cooled detection module, and related module

 #170
20130195678
2013-08-01

Apparatus and method for controlling compressor, and refrigerator having the same

 #171
20130195677
2013-08-01

Apparatus for controlling compressor and refrigerator having the same

 #172
20130192294
2013-08-01

Apparatus and method for controlling compressor, and refrigerator having the same

 #173
20130174588
2013-07-11

Refrigeration monitoring system and method

 #174
20130160470
2013-06-27

Air conditioner self-charging and charge monitoring system

 #175
20130000330
2013-01-03

Control apparatus and refrigerating apparatus

 #176
20120280709
2012-11-08

Compressor protection and grid fault detection device

 #177
20120260804
2012-10-18

Air filter monitoring system

 #178
20120198868
2012-08-09

Low suction pressure protection for refrigerant vapor compression system

 #179
20120186284
2012-07-26

REFRIGERANT SYSTEM AND METHOD FOR CONTROLLING THE SAME

 #180
20120177514
2012-07-12

DISCHARGE PRESSURE ESTIMATION FOR COMPRESSOR

 #181
20120075754
2012-03-29

Systems and methods for protecting three-phase motors

 #182
20120046797
2012-02-23

Peak load optimization using communicating HVAC systems

 #183
20120039006
2012-02-16

Compressor protection and grid fault detection device

 #184
20110178773
2011-07-21

System and method for detecting fluid delivery system conditions based on motor parameters

 #185
20110144944
2011-06-16

Compressor diagnostic and protection system and method

 #186
20110144807
2011-06-16

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

 #187
20110132019
2011-06-09

Heat pump apparatus

 #188
20110054842
2011-03-03

METHOD AND APPARATUS FOR MONITORING CALIBRATED CONDENSER UNIT IN REFRIGERANT-CYCLE SYSTEM

 #189
20100289273
2010-11-18

Two speed control for mobile refrigeration generators

 #190
20100275627
2010-11-04

Motor current detecting device and air conditioning apparatus

 #191
20100236264
2010-09-23

COMPRESSOR MOTOR CONTROL

 #192
20100205989
2010-08-19

ENVIRONMENTAL CONTROL UNIT FOR HARSH CONDITIONS

 #193
20100204945
2010-08-12

System and method for detecting fluid delivery system conditions based on motor parameters

 #194
20100162741
2010-07-01

Uninterruptable power supply for water pump

 #195
20100138049
2010-06-03

ENVIRONMENTAL CONTROL UNIT FOR HARSH CONDITIONS

 #196
20100101250
2010-04-29

Compressor diagnostic system

 #197
20100101247
2010-04-29

Adjustment of compressor operating limits

 #198
20100058785
2010-03-11

Engine life predicting apparatus and refrigerating apparatus

 #199
20100010681
2010-01-14

Method and apparatus for optimizing refrigeration systems

 #200
20090308090
2009-12-17

Cooling method and apparatus

 #201
20090225479
2009-09-10

Compressor protection and grid fault detection device

 #202
20090187281
2009-07-23

METHOD AND APPARATUS FOR MONITORING A CALIBRATED CONDENSER UNIT IN A REFRIGERANT-CYCLE SYSTEM

 #203
20090094998
2009-04-16

System and method for evaluating parameters for a refrigeration system with a variable speed compressor

 #204
20090094997
2009-04-16

System and method for calibrating parameters for a refrigeration system with a variable speed compressor

 #205
20090090118
2009-04-09

Variable speed compressor protection system and method

 #206
20090071175
2009-03-19

Refrigeration monitoring system and method

 #207
20090038323
2009-02-12

Method for Operating a Refrigerator, and a Refrigerator in Which the Compressor Is Switched On With a Time Delay

 #208
20090024257
2009-01-22

System and method for lowering a temperature of liquid exiting a heat exchanger in a vapor compression system

 #209
20080307819
2008-12-18

REFRIGERATION MONITORING SYSTEM AND METHOD

 #210
20080264080
2008-10-30

Environmental control unit for harsh conditions

 #211
20080223051
2008-09-18

INTELLIGENT THERMOSTAT SYSTEM FOR MONITORING A REFRIGERANT-CYCLE APPARATUS

 #212
20080216495
2008-09-11

INTELLIGENT THERMOSTAT SYSTEM FOR LOAD MONITORING A REFRIGERANT-CYCLE APPARATUS

 #213
20080209925
2008-09-04

Protection and diagnostic module for a refrigeration system

 #214
20080190126
2008-08-14

Capacity Control For Refrigerant System With Multiple Compressors

 #215
20080175718
2008-07-24

Compressor control device and method for controlling a compressor

 #216
20080150456
2008-06-26

APPARATUS AND METHOD FOR CONTROLLING OPERATION OF RECIPROCATING COMPRESSOR

 #217
20080073440
2008-03-27

Interactive control system for an HVAC system

 #218
20080066479
2008-03-20

Interactive control system for an HVAC system

 #219
20080053120
2008-03-06

Air Conditioner

 #220
20080048045
2008-02-28

Interactive control system for an HVAC system

 #221
20080016888
2008-01-24

METHOD AND APPARATUS FOR MONITORING REFRIGERANT-CYCLE SYSTEMS

 #222
20080015797
2008-01-17

Air filter monitoring system

 #223
20070256437
2007-11-08

Variable speed condenser fan control system

 #224
20070256432
2007-11-08

Method and apparatus for optimizing refrigeration systems

 #225
20070151267
2007-07-05

Variable-capacity air conditioner

 #226
20070125105
2007-06-07

METHOD AND APPARATUS FOR CONTROLLING THE LOAD PLACED ON A COMPRESSOR

 #227
20070068181
2007-03-29

Method of controlling compressor for refrigerator and apparatus thereof

 #228
20070012052
2007-01-18

Interactive control system for an HVAC system

 #229
20060288714
2006-12-28

Refrigeration fan motor controller for ECM

 #230
20060248908
2006-11-09

Cooling apparatus

 #231
20060201168
2006-09-14

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

 #232
20060196197
2006-09-07

Intelligent thermostat system for load monitoring a refrigerant-cycle apparatus

 #233
20060196196
2006-09-07

Method and apparatus for airflow monitoring refrigerant-cycle systems

 #234
20060185373
2006-08-24

Interactive control system for an HVAC system

 #235
20060168986
2006-08-03

Beverage supply device

 #236
20060162427
2006-07-27

Refrigerant leak detector compressor

 #237
20060147301
2006-07-06

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

 #238
20060130501
2006-06-22

Variable speed condenser fan control system

 #239
20060112703
2006-06-01

Condenser fan control system

 #240
20060080978
2006-04-20

Compressor diagnostic system

 #241
20060032379
2006-02-16

Air filter monitoring system

 #242
20060032248
2006-02-16

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

 #243
20060032247
2006-02-16

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

 #244
20060032246
2006-02-16

Intelligent thermostat system for monitoring a refrigerant-cycle apparatus

 #245
20060032245
2006-02-16

Method and apparatus for monitoring refrigerant-cycle systems

 #246
20060016200
2006-01-26

Compressor diagnostic method

 #247
20050247073
2005-11-10

Drive unit for compressor and refrigerator

 #248
20050235664
2005-10-27

Compressor diagnostic and protection system and method

 #249
20050235663
2005-10-27

Compressor diagnostic and protection system and method

 #250
20050235662
2005-10-27

Compressor configuration system and method

 #251
20050235661
2005-10-27

Compressor diagnostic and protection system and method

 #252
20050235660
2005-10-27

Compressor diagnostic and protection system

 #253
20050188709
2005-09-01

Method and apparatus for controlling the load placed on a compressor

 #254
20050050908
2005-03-10

Air conditioner and method of controlling the same

 #255
20050039469
2005-02-24

Refrigerator

 #256
17472815
2025-03-04

Cooling system prefailure detection system and method

 #257
16948113
2021-12-28

Systems and methods for configuring climate control system speed controls