ClassID:

159576

F25B2700/195 - CPC Classification

Classification description:

Sensing or detecting of parameters; Sensors therefor; Pressures of the condenser

Recent Application in this class:
#1
20260153274
2026-06-04

SYSTEMS AND METHODS FOR CONTROLLING A PURGE UNIT OF A VAPOR COMPRESSION SYSTEM

#2
20260139885
2026-05-21

COMPRESSOR CONTROL IN A VAPOR COMPRESSION COOLING CYCLE

#3
20260118029
2026-04-30

SYSTEMS, CONTROLLERS, AND METHODS FOR CONTROLLING A CO2 REFRIGERATION SYSTEM

#4
20260085866
2026-03-26

CONDENSER CLOGGING DETECTION METHOD AND SYSTEM

#5
20250321036
2025-10-16

System and Method for Controlling Head Pressure in a Refrigeration System

#6
20250207836
2025-06-26

COMPRESSOR CONTROL IN A VAPOR COMPRESSION COOLING CYCLE

#7
20250198676
2025-06-19

SYSTEM AND METHOD FOR IDENTIFYING A REFRIGERANT LEAK IN MULTIPLE REFRIGERATION CIRCUITS WITH ONE OR MORE COMPRESSORS

#8
20250093084
2025-03-20

SYSTEMS AND METHODS FOR DETERMINING STARTUP PRESSURE RATIO FOR DYNAMIC COMPRESSORS

#9
20250067487
2025-02-27

System and method for identifying a refrigerant leak in multiple refrigeration circuits with one or more compressors

#10
20240418416
2024-12-19

CONTROL OF REFRIGERATION AND HEAT PUMP SYSTEMS THAT INCLUDE PRESSURE EXCHANGERS

#11
20240401860
2024-12-05

CO2 REFRIGERATION SYSTEM WITH SUPERCRITICAL SUBCOOLING CONTROL

#12
20240393017
2024-11-28

REFRIGERATION AND HEAT PUMP SYSTEMS WITH PRESSURE EXCHANGERS

#13
20240384910
2024-11-21

SYSTEMS, CONTROLLERS, AND METHODS FOR CONTROLLING A CO2 REFRIGERATION SYSTEM

#14
20240369274
2024-11-07

VAPOR INJECTION REFRIGERANT SYSTEMS

#15
20240295353
2024-09-05

REFRIGERATION CYCLE APPARATUS, REFIGERANT LEAK DETECTION SYSTEM, AND INFORMATION PROCESSING APPARATUS

#16
20240288212
2024-08-29

REFRIGERATION SYSTEM AND METHOD OF DETERMINING A STATE OF CHARGE OF REFRIGERANT THEREIN

#17
20240263846
2024-08-08

HEAT PUMP SYSTEMS WITH PRESSURE EXCHANGERS

#18
20240191924
2024-06-13

REFRIGERANT LEAK DETERMINATION APPARATUS, CONTROL DEVICE, COMPUTER READABLE MEDIUM, AND REFRIGERANT LEAK DETERMINATION METHOD

#19
20240167740
2024-05-23

CONTROL METHOD FOR COOLING THE INVERTER OF A CHILLER WITH REFRIGERANT AND THE REFRIGERANT BYPASS PIPELINE THEREOF

#20
20240159438
2024-05-16

A METHOD FOR FAULT TOLERANT CONTROL OF A VAPOUR COMPRESSION SYSTEM

#21
20240157756
2024-05-16

Vehicle air conditioning apparatus

#22
20240125527
2024-04-18

AIR PURGE DEVICE

#23
20240118003
2024-04-11

CO2 Heat Pump System or CO2 Refrigeration System Comprising an Ejector Assembly and Method for Controlling an Ejector Assembly of a CO2 Heat Pump System or a CO2 Refrigeration System

#24
20240077241
2024-03-07

Automatic cleaning of adiabatic condenser cooling pads

#25
20240035712
2024-02-01

HEAT PUMP SYSTEMS WITH PRESSURE EXCHANGERS

#26
20230384012
2023-11-30

Systems and methods for determining startup pressure ratio for dynamic compressors

#27
20230384009
2023-11-30

MEMBRANE PURGE SYSTEM

#28
20230358449
2023-11-09

Refrigeration system with combined superheat and subcooling control

#29
20230288101
2023-09-14

CONTROL OF REFRIGERATION AND HEAT PUMP SYSTEMS THAT INCLUDE PRESSURE EXCHANGERS

#30
20230272954
2023-08-31

Refrigeration device and method for determining amount of refrigerant in refrigeration device

#31
20230251003
2023-08-10

REFRIGERATION APPARATUS

#32
20230243560
2023-08-03

Blocked coil detection system

#33
20230228467
2023-07-20

SYSTEMS AND METHODS FOR CONTROLLING A PURGE UNIT OF A VAPOR COMPRESSION SYSTEM

#34
20230213245
2023-07-06

Refrigeration and heat pump systems with pressure exchangers

#35
20230144991
2023-05-11

Chiller suction flow limiting with input power or motor current control

#36
20230106363
2023-04-06

Systems and methods for implementing ejector refrigeration cycles with cascaded evaporation stages

#37
20230078956
2023-03-16

Refrigerant system for cooling electronics

#38
20230026023
2023-01-26

Refrigeration System with Brushless DC Motor Compressor Drive

#39
20220412625
2022-12-29

Refrigerant leak detection system and method

#40
20220397325
2022-12-15

Automatic cleaning of adiabatic condenser cooling pads

#41
20220397324
2022-12-15

Control of refrigeration and heat pump systems that include pressure exchangers

#42
20220397317
2022-12-15

Refrigeration and heat pump systems with pressure exchangers

#43
20220397310
2022-12-15

Heat pump systems with pressure exchangers

#44
20220363109
2022-11-17

Refrigeration circuit with pressure equalization between multiple condensers

#45
20220357078
2022-11-10

Systems and methods for implementing ejector refrigeration cycles with cascaded evaporation stages

#46
20220107121
2022-04-07

Refrigeration system with combined superheat and subcooling control

#47
20220099362
2022-03-31

Apparatus for calculating temperature setting, system for low temperature treatment, method of calculating temperature setting, and program for calculating temperature setting

#48
20220003475
2022-01-06

Refrigeration system with condenser temperature differential setpoint control

#49
20210404711
2021-12-30

Cooling device, semiconductor manufacturing apparatus, and semiconductor manufacturing method

#50
20210396437
2021-12-23

METHODS AND SYSTEMS FOR REMOTELY DIAGNOSING AN ABNORMALITY IN A CLIMATE CONTROL DEVICE

#51
20210372678
2021-12-02

COOLING SYSTEM

#52
20210364209
2021-11-25

Reverse rotation prevention in centrifugal compressor

#53
20210364203
2021-11-25

Enhanced refrigeration purge system

#54
20210278115
2021-09-09

Speed control strategies for a condenser fan in a refrigeration system

#55
20210268868
2021-09-02

Method for operating a vehicular refrigeration system having a refrigeration circuit with a heat pump function

#56
20210207861
2021-07-08

Chiller suction flow limiting with input power or motor current control

#57
20210199359
2021-07-01

Refrigerant leak detection system and method

#58
20210092496
2021-03-25

SYSTEMS AND METHODS FOR ASSESSING A CONDITION OF A VEHICLE REFRIGERATION SYSTEM

#59
20200408449
2020-12-31

Air conditioner control method including determination of a chiller target load

#60
20200355412
2020-11-12

System for head pressure control

#61
20200309434
2020-10-01

Diagnostic mode of operation to detect refrigerant leaks in a refrigeration circuit

#62
20200285258
2020-09-10

Method and Apparatus for Monitoring Refrigeration-Cycle Systems

#63
20200240690
2020-07-30

Activation and deactivation of a purge unit of a vapor compression system based at least in part on conditions within a condenser of the vapor compression system

#64
20200240685
2020-07-30

Systems and methods for controlling a purge unit of a vapor compression system

#65
20200217569
2020-07-09

Refrigeration system with brushless DC motor compressor drive

#66
20200141613
2020-05-07

Demand flow for air cooled chillers

#67
20200124330
2020-04-23

CO2 refrigeration system with supercritical subcooling control

#68
20200110000
2020-04-09

Leak detection in a fluid compression system

#69
20200103152
2020-04-02

Method to avoid fan cycling during low ambient operation

#70
20200033030
2020-01-30

HVAC systems and methods with multiple-path expansion device subsystems

#71
20190353409
2019-11-21

Climate-control system having pump

#72
20190301780
2019-10-03

Method for handling fault mitigation in a vapour compression system

#73
20190301773
2019-10-03

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

#74
20190299132
2019-10-03

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

#75
20190293332
2019-09-26

Optimizing liquid temperature and liquid pressure in a modular outdoor refrigeration system

#76
20190255911
2019-08-22

Vehicle air conditioning device

#77
20190212041
2019-07-11

System design for noise reduction of solenoid valve

#78
20190203999
2019-07-04

Redistributing refrigerant between an evaporator and a condenser of a vapor compression system

#79
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

#80
20190178546
2019-06-13

Cooling system with direct expansion and pumped refrigerant economization cooling

#81
20190170415
2019-06-06

Diagnostic mode of operation to detect refrigerant leaks in a refrigeration circuit

#82
20190113264
2019-04-18

Refrigeration device and controller for refrigeration device

#83
20190101313
2019-04-04

VEHICULAR AIR CONDITIONING SYSTEMS

#84
20190092134
2019-03-28

Drive cooling systems and methods for engine off

#85
20190092133
2019-03-28

Battery power management systems and methods for engine off

#86
20190092132
2019-03-28

Compressor discharge pressure based control systems and methods

#87
20190092131
2019-03-28

Vehicle air conditioning control systems

#88
20190092117
2019-03-28

Evaporator freeze prevention systems and methods

#89
20190078818
2019-03-14

Refrigeration system with combined superheat and subcooling control

#90
20190072308
2019-03-07

Refrigeration system with brushless DC motor compressor drive

#91
20190041110
2019-02-07

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

#92
20190030984
2019-01-31

Refrigerant system for cooling electronics

#93
20190011153
2019-01-10

HVAC systems and methods with multiple-path expansion device subsystems

#94
20180372379
2018-12-27

Air conditioner

#95
20180363960
2018-12-20

Heat pump having a foreign gas collection chamber, method for operating a heat pump, and method for producing a heat pump

#96
20180363958
2018-12-20

Heat pump with a gas trap, method for operating with a gas trap, and method for producing a heat pump with a gas trap

#97
20180259233
2018-09-13

System design for noise reduction of solenoid valve

#98
20180259218
2018-09-13

Air conditioning system

#99
20180216851
2018-08-02

COrefrigeration system with direct COheat exchange for building temperature control

#100
20180209709
2018-07-26

Refrigerating machine and control method therefor

#101
20180187916
2018-07-05

Method of and system for minimization of condenser-fan cycling for low ambient temperature

#102
20180149396
2018-05-31

Refrigeration cycle device

#103
20180146800
2018-05-31

Refrigerated display case

#104
20180142927
2018-05-24

Ejector refrigeration circuit

#105
20180129233
2018-05-10

Method and apparatus for monitoring refrigeration-cycle systems

#106
20180128529
2018-05-10

System and method for charging a refrigeration system

#107
20180128528
2018-05-10

System and method for charging a refrigeration system

#108
20180120194
2018-05-03

Leak detection in a fluid compression system

#109
20180094840
2018-04-05

Parallel capillary expansion tube systems and methods

#110
20180094829
2018-04-05

Maintenance and diagnostics for refrigeration systems

#111
20180080695
2018-03-22

Optimizing energy efficiency ratio feedback control for direct expansion air-conditioners and heat pumps

#112
20180073789
2018-03-15

Refrigeration system with superheating, sub-cooling and refrigerant charge level control

#113
20180066872
2018-03-08

Ejector refrigeration circuit

#114
20180038660
2018-02-08

Active/passive cooling system

#115
20180031292
2018-02-01

Condenser Pressure Control System and Method

#116
20180031282
2018-02-01

SUPERCRITICAL REFRIGERATION CYCLE APPARATUS AND METHOD FOR CONTROLLING SUPERCRITICAL REFRIGERATION CYCLE APPARATUS

#117
20180023868
2018-01-25

Refrigeration cycle apparatus with oil separator switching valve

#118
20180022185
2018-01-25

Heat pump cycle

#119
20180017301
2018-01-18

Refrigeration rack monitor

#120
20170363337
2017-12-21

Refrigeration system with condenser temperature differential setpoint control

#121
20170356778
2017-12-14

Method for real-time performance check of container system

#122
20170356684
2017-12-14

Methods and systems for controlling a chiller system having a centrifugal compressor with a variable speed drive

#123
20170343245
2017-11-30

Method for controlling a valve arrangement in a vapour compression system

#124
20170336117
2017-11-23

Heat pump system having a maximum percent demand re-calculation algorithm controller

#125
20170328604
2017-11-16

Method for operating a vapour compression system with a receiver

#126
20170299242
2017-10-19

Demand flow for air cooled chillers

#127
20170292743
2017-10-12

Optimizing liquid temperature and liquid pressure in a modular outdoor refrigeration system

#128
20170282689
2017-10-05

Air-conditioning apparatus for vehicle

#129
20170261245
2017-09-14

Method for controlling a variable capacity ejector unit

#130
20170241442
2017-08-24

Compressor having sound control system

#131
20170234561
2017-08-17

Systems and methods for detecting degradation of a component in an air conditioning system

#132
20170227271
2017-08-10

REFRIGERATION SYSTEM AND ITS PRESSURE BALANCE CONTROL DEVICE

#133
20170227246
2017-08-10

Method of and system for minimization of condenser-fan cycling for low ambient temperature

#134
20170211850
2017-07-27

Ejector and ejector refrigeration cycle

#135
20170198950
2017-07-13

Cold production apparatus, including means for condensation by air and water simultaneously, and the method for implementing said facility

#136
20170176053
2017-06-22

Hot gas bypass for two-stage compressor

#137
20170159982
2017-06-08

Optimizing energy efficiency ratio feedback control for direct expansion air-conditioners and heat pumps

#138
20170138645
2017-05-18

Refrigeration cycle device using working fluid containing 1,1,2-trifluoroethylene (R1123) and difluoromethane (R32)

#139
20170108247
2017-04-20

Refrigeration cycle apparatus and method for controlling refrigeration cycle apparatus

#140
20170102173
2017-04-13

Managing high pressure events in air conditioners

#141
20170089598
2017-03-30

Maintenance and diagnostics for refrigeration systems

#142
20170080778
2017-03-23

Vehicle air conditioning device

#143
20170080777
2017-03-23

Vehicle air conditioning apparatus

#144
20170059240
2017-03-02

Systems and Methods for Operating a Refrigeration System

#145
20170030594
2017-02-02

Fluid heating and/or cooling system and related methods

#146
20170028817
2017-02-02

Vehicle air conditioning apparatus

#147
20170028816
2017-02-02

Vehicle air conditioning apparatus

#148
20170028815
2017-02-02

Vehicle air conditioning apparatus

#149
20170003679
2017-01-05

Chiller control device, chiller, and chiller diagnostic method

#150
20160375743
2016-12-29

Vehicle air conditioning apparatus

#151
20160370039
2016-12-22

Refrigeration apparatus

#152
20160363359
2016-12-15

Cooling system with direct expansion and pumped refrigerant economization cooling

#153
20160320111
2016-11-03

Refrigeration cycle apparatus

#154
20160305697
2016-10-20

Refrigerant control system for a flash tank

#155
20160273814
2016-09-22

Condenser control systems, devices and methods

#156
20160265820
2016-09-15

Compressor having lubricant management system for bearing life

#157
20160216024
2016-07-28

Heat source machine and control method therefor

#158
20160209097
2016-07-21

Refrigeration system with brushless DC motor compressor drive

#159
20160201959
2016-07-14

Vehicle air conditioner

#160
20160200170
2016-07-14

Refrigeration cycle

#161
20160175740
2016-06-23

Purge system for chiller system

#162
20160161163
2016-06-09

Variable refrigerant flow system operation in low ambient conditions

#163
20160146519
2016-05-26

Constant-temperature-fluid circulation device

#164
20160131405
2016-05-12

Head pressure control

#165
20160082810
2016-03-24

Vehicle air conditioner

#166
20160068047
2016-03-10

Refrigeration cycle device

#167
20160061508
2016-03-03

Apparatus and method for hybrid water heating and air cooling and control thereof

#168
20160061504
2016-03-03

Variable speed compressor control with sound-controlled defrost mode

#169
20160061502
2016-03-03

Apparatus and method for hybrid water heating and air cooling and control thereof

#170
20160047578
2016-02-18

Demand flow for air cooled chillers

#171
20150362240
2015-12-17

Methods and systems for controlling a chiller system having a centrifugal compressor with a variable speed drive

#172
20150362237
2015-12-17

Methods and systems for detecting and recovering from control instability caused by impeller stall

#173
20150298525
2015-10-22

Vehicle air conditioner

#174
20150295285
2015-10-15

Refrigeration cycle device for auxiliary heating or cooling

#175
20150291008
2015-10-15

Refrigerant circulation apparatus with controlled operation of an evporator for on-vehicle battery cooling

#176
20150275908
2015-10-01

Centrifugal compressor inlet guide vane control

#177
20150267954
2015-09-24

Air conditioner and method for controlling an air conditioner

#178
20150267952
2015-09-24

System for controlling operation of an HVAC system having tandem compressors

#179
20150266358
2015-09-24

Vehicle air conditioner with a refrigerant circuit

#180
20150261230
2015-09-17

Method and apparatus for monitoring refrigeration-cycle systems

#181
20150253050
2015-09-10

Heat pump system having a maximum percent demand re-calculation algorithm controller

#182
20150224849
2015-08-13

Refrigeration cycle device

#183
20150143841
2015-05-28

Refrigeration apparatus

#184
20150135749
2015-05-21

Flow rate adjustment valve for refrigeration cycle

#185
20150096714
2015-04-09

Systems and methods for air conditioning a building using an energy recovery wheel

#186
20150056059
2015-02-26

Control system

#187
20150039134
2015-02-05

Heat source system and method for controlling number of machines to be started at time of power recovery in heat source system

#188
20150013363
2015-01-15

Cooling device and vehicle equipped with the same, and control method for cooling device

#189
20140373562
2014-12-25

Vehicle air conditioning apparatus

#190
20140358253
2014-12-04

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

#191
20140331700
2014-11-13

Method for controlling gas pressure in cooling plant

#192
20140260388
2014-09-18

Refrigerating apparatus and control device for refrigerating machine

#193
20140260385
2014-09-18

Refrigerating apparatus and corresponding control device

#194
20140223937
2014-08-14

Refrigeration system and refrigeration method providing heat recovery

#195
20140150489
2014-06-05

Startup logic for refrigeration system

#196
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

#197
20140013788
2014-01-16

Heat-pump chiller with improved heat recovery features

#198
20140012422
2014-01-09

Method and apparatus for monitoring refrigeration-cycle systems

#199
20140000294
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

#200
20140000293
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

#201
20140000292
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

#202
20140000291
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

#203
20140000290
2014-01-02

Method and apparatus for monitoring a refrigeration-cycle system

#204
20130287063
2013-10-31

Method and apparatus for monitoring a refrigeration-cycle system

#205
20130167659
2013-07-04

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

#206
20130160470
2013-06-27

Air conditioner self-charging and charge monitoring system

#207
20130031920
2013-02-07

Apparatus and method for evaluating performance of centrifugal chiller

#208
20130000340
2013-01-03

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

#209
20120291467
2012-11-22

Refrigerant cycle device

#210
20120260804
2012-10-18

Air filter monitoring system

#211
20120125041
2012-05-24

Refrigeration Cycle

#212
20120067077
2012-03-22

Torque estimating device for compressor

#213
20120060529
2012-03-15

Refrigeration system energy monitoring and diagnostics

#214
20120022706
2012-01-26

SYSTEM AND METHOD FOR CONTROLLING A REFRIGERATION SYSTEM

#215
20110259023
2011-10-27

SYSTEM AND METHOD FOR DETECTING DECREASED PERFORMANCE IN A REFRIGERATION SYSTEM

#216
20110192187
2011-08-11

Refrigeration Cycle System and Automotive Air-Conditioning System Including the Refrigeration Cycle System

#217
20110174014
2011-07-21

LIQUID VAPOR SEPARATION IN TRANSCRITICAL REFRIGERANT CYCLE

#218
20110120162
2011-05-26

Performance evaluation device for variable-speed centrifugal chiller

#219
20110072840
2011-03-31

Heat pump apparatus using supercooling degree to control expansion valve

#220
20110036113
2011-02-17

Heat-pump chiller with improved heat recovery features

#221
20110035062
2011-02-10

Refrigeration apparatus and method for controlling the same

#222
20110023515
2011-02-03

Refrigerant control system for a flash tank

#223
20100313586
2010-12-16

REFRIGERATION CYCLE APPARATUS

#224
20100300125
2010-12-02

Automotive climate system and method of controlling same

#225
20100179703
2010-07-15

Refrigeration system energy monitoring and diagnostics

#226
20100101246
2010-04-29

System and Method For Controlling Working Fluid Charge In A Vapor Compression Air Conditioning System

#227
20100089083
2010-04-15

Refrigerated transport system

#228
20100088046
2010-04-08

Method for determining refrigerant charge

#229
20100058799
2010-03-11

Suction valve pulse width modulation control based on evaporator or condenser pressure

#230
20100050669
2010-03-04

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

#231
20100010681
2010-01-14

Method and apparatus for optimizing refrigeration systems

#232
20090277197
2009-11-12

EVAPORATOR APPARATUS AND METHOD FOR MODULATING COOLING

#233
20090277196
2009-11-12

APPARATUS AND METHOD FOR MODULATING COOLING

#234
20090260375
2009-10-22

Refrigeration cycle apparatus

#235
20090217679
2009-09-03

REFRIGERATION COOLING SYSTEM CONTROL

#236
20090095442
2009-04-16

Advanced DX system design improvements

#237
20090094998
2009-04-16

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

#238
20090084119
2009-04-02

Sytem and method for detecting transducer failure in refrigerant systems

#239
20090001866
2009-01-01

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

#240
20080307811
2008-12-18

Method and control system for a compressor that is operable with a climate system

#241
20080307810
2008-12-18

Operational limit to avoid liquid refrigerant carryover

#242
20080245087
2008-10-09

System for controlled fluid heating using air conditioning waste heat

#243
20080223051
2008-09-18

INTELLIGENT THERMOSTAT SYSTEM FOR MONITORING A REFRIGERANT-CYCLE APPARATUS

#244
20080216495
2008-09-11

INTELLIGENT THERMOSTAT SYSTEM FOR LOAD MONITORING A REFRIGERANT-CYCLE APPARATUS

#245
20080168781
2008-07-17

Refrigerating machine

#246
20080083237
2008-04-10

ELECTRONIC HEAD PRESSURE CONTROL

#247
20080016888
2008-01-24

METHOD AND APPARATUS FOR MONITORING REFRIGERANT-CYCLE SYSTEMS

#248
20080015797
2008-01-17

Air filter monitoring system

#249
20080011003
2008-01-17

System and method for controlling working fluid charge in a vapor compression air conditioning system

#250
20080006044
2008-01-10

Method for controlling temperature

#251
20070256437
2007-11-08

Variable speed condenser fan control system

#252
20070256432
2007-11-08

Method and apparatus for optimizing refrigeration systems

#253
20070130977
2007-06-14

Heat exchanging device having continuously operatable compressor

#254
20070089436
2007-04-26

Monitoring refrigerant in a refrigeration system

#255
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Refrigerator

#256
20070017240
2007-01-25

Refrigeration system with mechanical subcooling

#257
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Apparatus and method for detecting faults and providing diagnostics in vapor compression cycle equipment

#258
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Intelligent thermostat system for load monitoring a refrigerant-cycle apparatus

#259
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Method and apparatus for airflow monitoring refrigerant-cycle systems

#260
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2006-08-10

Flash tank of two-stage compression heat pump system for heating and cooling

#261
20060168986
2006-08-03

Beverage supply device

#262
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2006-07-27

Refrigeration apparatus and method for controlling the same

#263
20060147301
2006-07-06

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

#264
20060130501
2006-06-22

Variable speed condenser fan control system

#265
20060117766
2006-06-08

Model-based alarming

#266
20060112703
2006-06-01

Condenser fan control system

#267
20060048531
2006-03-09

Control logic for HVAC heat management

#268
20060042276
2006-03-02

System and method for detecting decreased performance in a refrigeration system

#269
20060032379
2006-02-16

Air filter monitoring system

#270
20060032248
2006-02-16

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

#271
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2006-02-16

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

#272
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2006-02-16

Intelligent thermostat system for monitoring a refrigerant-cycle apparatus

#273
20060032245
2006-02-16

Method and apparatus for monitoring refrigerant-cycle systems

#274
20050172647
2005-08-11

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

#275
20050166608
2005-08-04

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

#276
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2005-07-28

Automatic start/stop sequencing controls for a steam turbine powered chiller unit

#277
20050160749
2005-07-28

Enhanced manual start/stop sequencing controls for a stream turbine powered chiller unit

#278
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2005-07-28

Integrated adaptive capacity control for a steam turbine powered chiller unit

#279
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Turbo chiller, compressor therefor, and control method therefor

#280
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2005-05-12

Refrigerant system with controlled refrigerant charge amount

#281
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2005-04-14

Refrigeration control system

#282
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2005-02-10

System for remote refrigeration monitoring and diagnostics