ClassID:

159490

F25B2500/19 - page 2 - CPC Classification

Classification description:

Problems to be solved Calculation of parameters

Recent Application in this class:
#301
20150267957
2015-09-24

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

#302
20150267954
2015-09-24

Air conditioner and method for controlling an air conditioner

#303
20150261230
2015-09-17

Method and apparatus for monitoring refrigeration-cycle systems

#304
20150253051
2015-09-10

Model predictive control for heat transfer to fluids

#305
20150219379
2015-08-06

Transcritical refrigerant vapor compression system high side pressure control

#306
20150219376
2015-08-06

Systems and methods for refrigerant charge detection

#307
20150211778
2015-07-30

Refrigerator with energy consumption optimization using adaptive fan delay

#308
20150192337
2015-07-09

Methods and apparatus for determining power consumption

#309
20150184921
2015-07-02

Heat pump controller with user-selectable defrost modes and reversing valve energizing modes

#310
20150184885
2015-07-02

Method for controlling a chiller system

#311
20150176880
2015-06-25

Refrigeration and air-conditioning apparatus, refrigerant leakage detection device, and refrigerant leakage detection method

#312
20150176864
2015-06-25

Air-conditioning apparatus

#313
20150159928
2015-06-11

Heat pump with exhaust heat reclaim

#314
20150143825
2015-05-28

Defrost operation management

#315
20150082814
2015-03-26

Method for controlling electric compressor of heat pump system for an automotive vehicle

#316
20150075194
2015-03-19

Air-conditioning apparatus

#317
20150056059
2015-02-26

Control system

#318
20150047377
2015-02-19

Monitoring method and cooling system

#319
20150027138
2015-01-29

Discharge pressure calculation from torque in an HVAC system

#320
20140360212
2014-12-11

Air conditioner to control uniform temperature of air flow blown by a plurality of indoor fans, and method of controlling the same

#321
20140358296
2014-12-04

Air conditioner

#322
20140338380
2014-11-20

Heat pump device, air conditioner, and freezer

#323
20140338379
2014-11-20

Heat pump device, and air conditioner, heat pump water heater, refrigerator and freezing machine including heat pump device

#324
20140331702
2014-11-13

Air-conditioning apparatus

#325
20140318734
2014-10-30

Method for selecting heat medium of use side heat exchanger in installing air-conditioning system

#326
20140298842
2014-10-09

Refrigeration cycle device

#327
20140290288
2014-10-02

System and method for controlling vapor compression systems

#328
20140260377
2014-09-18

Net heat load compensation control method and appliance for temperature stability

#329
20140238061
2014-08-28

Air-conditioning apparatus

#330
20140230464
2014-08-21

Enthalpy based control for a refrigeration appliance

#331
20140182329
2014-07-03

Air-conditioning apparatus with regulation of injection flow rate

#332
20140174114
2014-06-26

Refrigerant charge assisting device, air-conditioning apparatus, and refrigerant charge assisting program

#333
20140130528
2014-05-15

Air-conditioning apparatus

#334
20140123692
2014-05-08

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

#335
20140116075
2014-05-01

Method for controlling operation of a vapour compression system in a subcritical and a supercritical mode

#336
20140116074
2014-05-01

Heat pump and method of controlling heat based on operating frequency of heating load of heating space thereof

#337
20140096551
2014-04-10

Air-conditioning apparatus

#338
20140083123
2014-03-27

Air-conditioning apparatus

#339
20140069121
2014-03-13

Protection and diagnostic module for a refrigeration system

#340
20140069120
2014-03-13

Control apparatus and method for parallel-type chiller, and computer-readable recording medium in which program for parallel-type chiller is stored

#341
20140056723
2014-02-27

Refrigerator with energy consumption optimization using adaptive fan delay

#342
20140033746
2014-02-06

System and method for monitoring compressor floodback

#343
20140026598
2014-01-30

Methods and controllers for providing a surge map for the monitoring and control of chillers

#344
20140025207
2014-01-23

Cooling system control apparatus

#345
20140012422
2014-01-09

Method and apparatus for monitoring refrigeration-cycle systems

#346
20140000294
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

#347
20140000293
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

#348
20140000292
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

#349
20140000291
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

#350
20140000290
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

#351
20130340457
2013-12-26

Fault detection and diagnosis for refrigerator from compressor sensor

#352
20130305756
2013-11-21

Synchronous temperature rate control and apparatus for refrigeration with reduced energy consumption

#353
20130294933
2013-11-07

Compressor diagnostic and protection system and method

#354
20130291578
2013-11-07

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

#355
20130287063
2013-10-31

Method and apparatus for monitoring a refrigeration-cycle system

#356
20130269376
2013-10-17

Method and apparatus for optimizing refrigeration systems

#357
20130255297
2013-10-03

Enclosure cooling using early compressor turn-off with extended fan operation

#358
20130247596
2013-09-26

Method of measuring the refrigerant recovered and a refrigerant recovery and recharge device

#359
20130240043
2013-09-19

Variable speed compressor protection system and method

#360
20130205815
2013-08-15

Method for controlling a supply of refrigerant to an evaporator

#361
20130199224
2013-08-08

Air-conditioning apparatus

#362
20130195678
2013-08-01

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

#363
20130192294
2013-08-01

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

#364
20130174601
2013-07-11

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

#365
20130167659
2013-07-04

Drive torque estimation device for compressor and condenser used for the device

#366
20130167567
2013-07-04

Refrigeration cycle apparatus

#367
20130160470
2013-06-27

Air conditioner self-charging and charge monitoring system

#368
20130139530
2013-06-06

Method of operating a cooling system having one or more cooling units

#369
20130074537
2013-03-28

Method for operating a vehicle climate control system

#370
20130067944
2013-03-21

Operation control apparatus of air-conditioning apparatus and air-conditioning apparatus comprising same

#371
20130061619
2013-03-14

Method of controlling heat source-side heat exchanger fan, and air conditioner

#372
20130031920
2013-02-07

Apparatus and method for evaluating performance of centrifugal chiller

#373
20120318011
2012-12-20

Refrigerating and air-conditioning apparatus

#374
20120297808
2012-11-29

Heat pump system

#375
20120297804
2012-11-29

Refrigeration cycle apparatus

#376
20120291460
2012-11-22

Heat pump device and refrigerant bypass method

#377
20120280709
2012-11-08

Compressor protection and grid fault detection device

#378
20120260804
2012-10-18

Air filter monitoring system

#379
20120234032
2012-09-20

Air-conditioning apparatus

#380
20120234030
2012-09-20

Air conditioning apparatus

#381
20120227427
2012-09-13

PARAMETER CONTROL IN TRANSPORT REFRIGERATION SYSTEM AND METHODS FOR SAME

#382
20120222440
2012-09-06

REGRIGERATION CYCLE APPARATUS AND INFORMATION TRANSFER METHOD USED THEREIN

#383
20120210742
2012-08-23

Air-conditioning apparatus

#384
20120180506
2012-07-19

Refrigeration and air-conditioning apparatus

#385
20120177514
2012-07-12

DISCHARGE PRESSURE ESTIMATION FOR COMPRESSOR

#386
20120167604
2012-07-05

REFRIGERATION CYCLE APPARATUS

#387
20120137713
2012-06-07

Power savings apparatus for transport refrigeration system, transport refrigeration unit, and methods for same

#388
20120125041
2012-05-24

Refrigeration Cycle

#389
20120125025
2012-05-24

Refrigeration Cycle

#390
20120118005
2012-05-17

AIR-CONDITIONING APPARATUS

#391
20120117989
2012-05-17

Method and apparatus for variable refrigerant chiller operation

#392
20120073316
2012-03-29

CONTROL OF A TRANSCRITICAL VAPOR COMPRESSION SYSTEM

#393
20120067077
2012-03-22

Torque estimating device for compressor

#394
20120055665
2012-03-08

Secondary pump type heat source and secondary pump type heat source control method

#395
20120053898
2012-03-01

PERFORMANCE EVALUATION DEVICE FOR CENTRIFUGAL CHILLER

#396
20120041608
2012-02-16

Method and apparatus for optimizing refrigeration systems

#397
20120039006
2012-02-16

Compressor protection and grid fault detection device

#398
20120029889
2012-02-02

Centrifugal chiller performance evaluation system

#399
20110239668
2011-10-06

High-side pressure control for transcritical refrigeration system

#400
20110219797
2011-09-15

Capacity control system for variable capacity compressor and display device for the system

#401
20110209490
2011-09-01

Control of multiple zone refrigerant vapor compression systems

#402
20110197601
2011-08-18

CHILLER WITH SETPOINT ADJUSTMENT

#403
20110174059
2011-07-21

Leakage diagnosis apparatus, leakage diagnosis method, and refrigeration apparatus

#404
20110144944
2011-06-16

Compressor diagnostic and protection system and method

#405
20110144807
2011-06-16

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

#406
20110132019
2011-06-09

Heat pump apparatus

#407
20110114284
2011-05-19

OPTIMIZING THE EFFICIENCY AND ENERGY USAGE OF A GEOTHERMAL MULTIPLE HEAT PUMP SYSTEM

#408
20110112814
2011-05-12

REFRIGERANT LEAK DETECTION SYSTEM AND METHOD

#409
20110100042
2011-05-05

REFRIGERATING CYCLE DEVICE AND AIR CONDITIONER

#410
20110088414
2011-04-21

AIR CONDITIONING APPARATUS REFRIGERANT QUANTITY DETERMINATION METHOD AND AIR CONDITIONING APPARATUS

#411
20110083456
2011-04-14

Refrigeration cycle device and method of controlling the same

#412
20110067419
2011-03-24

AIR-CONDITIONING CONTROL DEVICE FOR VEHICLE

#413
20110054842
2011-03-03

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

#414
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

#415
20110035062
2011-02-10

Refrigeration apparatus and method for controlling the same

#416
20110000234
2011-01-06

Air conditioning apparatus and refrigerant quantity determination method

#417
20100319393
2010-12-23

Ejector cycle system

#418
20100275624
2010-11-04

Air-Conditioning System And Controlling Method For The Same

#419
20100236265
2010-09-23

AIR CONDITIONER FOR VEHICLE

#420
20100218519
2010-09-02

Fresh food ice maker control

#421
20100204838
2010-08-12

ENERGY EFFICIENT AIR CONDITIONING SYSTEM AND METHOD UTILIZING VARIABLE CAPACITY COMPRESSOR AND SENSIBLE HEAT RATIO LOAD MATCHING

#422
20100191381
2010-07-29

Air-Conditioning System, In Particular For A Motor Vehicle

#423
20100170274
2010-07-08

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

#424
20100153057
2010-06-17

Method for determination of the coefficient of performanace of a refrigerating machine

#425
20100131115
2010-05-27

CONTROLLING METHOD OF AIR CONDITIONER

#426
20100114550
2010-05-06

Modeling Device, Simulation Device, Modeling Program, Simulation Program, Method for Using Heat Balance Model, and System for Using Heat Balance Model

#427
20100089082
2010-04-15

Air conditioner

#428
20100088046
2010-04-08

Method for determining refrigerant charge

#429
20100076695
2010-03-25

Sensing and estimating in-leakage air in a subambient cooling system

#430
20100057263
2010-03-04

Method and apparatus for cooling

#431
20100024454
2010-02-04

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

#432
20100011805
2010-01-21

Refrigeration apparatus

#433
20100010681
2010-01-14

Method and apparatus for optimizing refrigeration systems

#434
20090314017
2009-12-24

AIR CONDITIONER

#435
20090260376
2009-10-22

Air conditioner

#436
20090260375
2009-10-22

Refrigeration cycle apparatus

#437
20090255284
2009-10-15

Air conditioner

#438
20090255281
2009-10-15

Diagnostic Method for Proper Refrigerant Valve Operation

#439
20090241555
2009-10-01

METHOD OF CONTROLLING A DEVICE INCLUDING HILSCH-RANQUE VORTEX TUBES

#440
20090229306
2009-09-17

Vapor compression refrigerating cycle apparatus

#441
20090229305
2009-09-17

Vapor compression refrigerating cycle apparatus with an ejector and distributor

#442
20090225479
2009-09-10

Compressor protection and grid fault detection device

#443
20090217679
2009-09-03

REFRIGERATION COOLING SYSTEM CONTROL

#444
20090187286
2009-07-23

Control system and method for operating a cooling system

#445
20090187281
2009-07-23

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

#446
20090165482
2009-07-02

Air conditioning system

#447
20090151377
2009-06-18

Refrigeration system and refrigeration system analyzer

#448
20090126388
2009-05-21

Refrigerant loss tracking and repair

#449
20090126379
2009-05-21

Air conditioner

#450
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

#451
20090100849
2009-04-23

AIR CONDITIONER

#452
20090095013
2009-04-16

Ejector cycle system

#453
20090095002
2009-04-16

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

#454
20090094998
2009-04-16

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

#455
20090094997
2009-04-16

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

#456
20090090118
2009-04-09

Variable speed compressor protection system and method

#457
20090090117
2009-04-09

System and method for monitoring overheat of a compressor

#458
20090077983
2009-03-26

System and method for monitoring a compressor of a refrigeration system

#459
20090044551
2009-02-19

Air conditioner

#460
20090044550
2009-02-19

AIR CONDITIONER

#461
20090041598
2009-02-12

Electric compressor and control device for estimating compressor discharge temperature

#462
20090031739
2009-02-05

AIR CONDITIONER

#463
20090030554
2009-01-29

COOLING CONTROL DEVICE AND METHOD

#464
20090001866
2009-01-01

Refrigeration unit having variable performance compressor operated based on high-pressure side pressure

#465
20090000319
2009-01-01

Refrigeration cycle device for vehicle

#466
20080307819
2008-12-18

REFRIGERATION MONITORING SYSTEM AND METHOD

#467
20080302118
2008-12-11

Heat Pump Water Heating System Using Variable Speed Compressor

#468
20080295532
2008-12-04

Compressor inlet pressure estimation apparatus for refrigeration cycle system

#469
20080295530
2008-12-04

Compressor inlet pressure estimation apparatus for refrigeration cycle system

#470
20080245083
2008-10-09

Method and apparatus for cooling

#471
20080223056
2008-09-18

Control of a refrigeration circuit with an internal heat exchanger

#472
20080223053
2008-09-18

Air conditioner

#473
20080223051
2008-09-18

INTELLIGENT THERMOSTAT SYSTEM FOR MONITORING A REFRIGERANT-CYCLE APPARATUS

#474
20080216495
2008-09-11

INTELLIGENT THERMOSTAT SYSTEM FOR LOAD MONITORING A REFRIGERANT-CYCLE APPARATUS

#475
20080209926
2008-09-04

Air conditioner with refrigerant quantity judging mode

#476
20080209925
2008-09-04

Protection and diagnostic module for a refrigeration system

#477
20080196425
2008-08-21

Method for evaluating refrigeration cycle performance

#478
20080041076
2008-02-21

Method and apparatus for cooling

#479
20080028779
2008-02-07

METHOD FOR CONTROLLING ELECTRONIC EXPANSION VALVE OF AIR CONDITIONER

#480
20080016888
2008-01-24

METHOD AND APPARATUS FOR MONITORING REFRIGERANT-CYCLE SYSTEMS

#481
20080015797
2008-01-17

Air filter monitoring system

#482
20080006044
2008-01-10

Method for controlling temperature

#483
20080000241
2008-01-03

Model prediction controlled refrigeration system

#484
20070277544
2007-12-06

Control system for a variable-capacity compressor in air conditioner

#485
20070277537
2007-12-06

Neural network based refrigerant charge detection algorithm for vapor compression systems

#486
20070277147
2007-11-29

Refrigerant loss tracking and repair

#487
20070256436
2007-11-08

Air-conditioner for vehicle

#488
20070256434
2007-11-08

Monitoring System for Detecting Low-Charge Condition in a Heat-Exchange System

#489
20070256432
2007-11-08

Method and apparatus for optimizing refrigeration systems

#490
20070240440
2007-10-18

Methods and apparatus for linearized temperature control of commercial refrigeration systems

#491
20070209376
2007-09-13

Method for controlling a refrigeration appliance

#492
20070205296
2007-09-06

HVAC MONITOR AND SUPERHEAT CALCULATOR SYSTEM

#493
20070204636
2007-09-06

Defrost mode for HVAC heat pump systems

#494
20070204635
2007-09-06

Air conditioning apparatus

#495
20070163276
2007-07-19

Apparatus and method for determining refrigerant charge level

#496
20070151269
2007-07-05

System and method for level control in a flash tank

#497
20070144193
2007-06-28

Pressure ratio unload logic for a compressor

#498
20070130975
2007-06-14

Air conditioning system for vehicles

#499
20070125106
2007-06-07

Supercritical refrigeration cycle

#500
20070096899
2007-05-03

System and method for tracking ships and ship cargo

#501
20070095085
2007-05-03

Air-Conditioning Assembly

#502
20070095081
2007-05-03

Air conditioner

#503
20070089440
2007-04-26

Monitoring compressor performance in a refrigeration system

#504
20070089439
2007-04-26

Monitoring a condenser in a refrigeration system

#505
20070089437
2007-04-26

Proofing a refrigeration system operating state

#506
20070089436
2007-04-26

Monitoring refrigerant in a refrigeration system

#507
20070089434
2007-04-26

Monitoring refrigerant in a refrigeration system

#508
20070068178
2007-03-29

HEAT PUMP

#509
20070044500
2007-03-01

Heat pump system

#510
20070039337
2007-02-22

Ejector cycle device

#511
20070028633
2007-02-08

Air Conditioning Systems For Vehicles

#512
20070006602
2007-01-11

Freezer apparatus

#513
20070000262
2007-01-04

Ejector cycle system

#514
20060277931
2006-12-14

Scroll compressor and refrigerating apparatus

#515
20060259276
2006-11-16

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

#516
20060248904
2006-11-09

Temperature control system and method of operating the same

#517
20060230770
2006-10-19

Modulating proportioning reversing valve

#518
20060218948
2006-10-05

Cooling and heating system

#519
20060213208
2006-09-28

Valve control system, valve control apparatus and valve control method

#520
20060201168
2006-09-14

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

#521
20060196224
2006-09-07

Refrigerant tracking/leak detection system and method

#522
20060196197
2006-09-07

Intelligent thermostat system for load monitoring a refrigerant-cycle apparatus

#523
20060196196
2006-09-07

Method and apparatus for airflow monitoring refrigerant-cycle systems

#524
20060191286
2006-08-31

Second-refrigerant pump driving type air conditioner

#525
20060179854
2006-08-17

Refrigerant tracking/leak detection system and method

#526
20060162427
2006-07-27

Refrigerant leak detector compressor

#527
20060162359
2006-07-27

Vehicular air-conditioning system

#528
20060162358
2006-07-27

Superheat control by pressure ratio

#529
20060162355
2006-07-27

Refrigeration apparatus and method for controlling the same

#530
20060150646
2006-07-13

Method of operation and regulation of a vapour compression system

#531
20060144232
2006-07-06

Method for detecting a fault in an HVAC system

#532
20060144059
2006-07-06

Method and control for determining low refrigerant charge

#533
20060144057
2006-07-06

Key performance index calculation and real-time condition monitoring methods for heat exchanger

#534
20060137372
2006-06-29

Apparatus and method of summing capacities of outdoor units in multiple air conditioner

#535
20060137366
2006-06-29

Automatic refrigerant charging apparatus

#536
20060137364
2006-06-29

Refrigerant charge adequacy gauge

#537
20060130499
2006-06-22

Dynamic control of a variable displacement compressor

#538
20060117767
2006-06-08

System and method for verifying proper refrigerant and airflow for air conditioners and heat pumps in cooling mode

#539
20060090484
2006-05-04

HVAC monitor and superheat calculator system

#540
20060086111
2006-04-27

Method for estimating inlet and outlet air conditions of an HVAC system

#541
20060086103
2006-04-27

Abnormal state detecting apparatus of multi-type air conditioner and method thereof

#542
20060075771
2006-04-13

Refrigeration mechanical diagnostic protection and control device

#543
20060059925
2006-03-23

Process for refrigerant charge level detection using a neural net

#544
20060059924
2006-03-23

Process for refrigerant charge level detection using a neural net having one output neuron

#545
20060042282
2006-03-02

Control method for operating a refrigeration system

#546
20060032379
2006-02-16

Air filter monitoring system

#547
20060032248
2006-02-16

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

#548
20060032247
2006-02-16

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

#549
20060032246
2006-02-16

Intelligent thermostat system for monitoring a refrigerant-cycle apparatus

#550
20060032245
2006-02-16

Method and apparatus for monitoring refrigerant-cycle systems

#551
20060021362
2006-02-02

Charge loss detection and prognostics for multi-modular split systems

#552
20060010898
2006-01-19

System for refrigerant charging with constant volume tank

#553
20050247073
2005-11-10

Drive unit for compressor and refrigerator

#554
20050241323
2005-11-03

Energy analyzer for a refrigeration system

#555
20050235664
2005-10-27

Compressor diagnostic and protection system and method

#556
20050235663
2005-10-27

Compressor diagnostic and protection system and method

#557
20050235662
2005-10-27

Compressor configuration system and method

#558
20050235661
2005-10-27

Compressor diagnostic and protection system and method

#559
20050235660
2005-10-27

Compressor diagnostic and protection system

#560
20050229612
2005-10-20

Compression cooling system and method for evaluating operation thereof

#561
20050223720
2005-10-13

Energy analyzer for a refrigeration system

#562
20050210897
2005-09-29

Vehicular air-conditioner

#563
20050210889
2005-09-29

Method for operating a cryocooler using temperature trending monitoring

#564
20050198981
2005-09-15

System and apparatus controlling a variable speed compressor system

#565
20050172648
2005-08-11

Defrost mode for HVAC heat pump systems

#566
20050172647
2005-08-11

Method for detecting changes in a first media flow of a heat or cooling medium in a refrigeration system

#567
20050166609
2005-08-04

Method and a device for detecting flash gas

#568
20050166608
2005-08-04

Method for evaluating a non-measured operating variable in a refrigeration plant

#569
20050161202
2005-07-28

Microchannel condenser assembly

#570
20050155369
2005-07-21

Air conditioner

#571
20050155368
2005-07-21

Method for controlling multi-type air conditioner

#572
20050126190
2005-06-16

Loss of refrigerant charge and expansion valve malfunction detection

#573
20050086954
2005-04-28

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