Patents-Review.com
ClassID:

159479 ⎘

F25B2500/07 - CPC Classification

Classification description:

Problems to be solved Exceeding a certain pressure value in a refrigeration component or cycle

Recent Application in this class:
#1
20260146770
2026-05-28

ROTARY COMPRESSOR, AIR CONDITIONING SYSTEM, AND CONTROL METHOD

 #2
20260110476
2026-04-23

CONTROL DEVICE, REFRIGERATION CYCLE DEVICE, CONTROL METHOD, PROGRAM

 #3
20240410629
2024-12-12

COMPRESSOR AND REFRIGERATION CYCLE DEVICE HAVING THE SAME

 #4
20240263856
2024-08-08

REFRIGERATION SYSTEM WITH EMERGENCY COOLING USING DEDICATED COMPRESSOR

 #5
20240230198
2024-07-11

REFRIGERATION SYSTEM WITH EMERGENCY COOLING USING DEDICATED COMPRESSOR

 #6
20240053076
2024-02-15

Refrigeration system with emergency cooling using dedicated compressor

 #7
20230112125
2023-04-13

Pressure regulated semiconductor wafer cooling apparatus and method and a pressure regulating apparatus

 #8
20230097829
2023-03-30

REFRIGERATION CYCLE APPARATUS

 #9
20220381491
2022-12-01

REFRIGERATING APPARATUS APPLIED TO AIR CONDITIONER

 #10
20220381490
2022-12-01

Refrigeration apparatus based on molecular sieve

 #11
20220381489
2022-12-01

Air conditioner based on molecular sieve

 #12
20220381488
2022-12-01

Refrigerator based on molecular sieve

 #13
20220364771
2022-11-17

Thermal storage of carbon dioxide system for power outage

 #14
20220341633
2022-10-27

Thermal storage of carbon dioxide system for power outage

 #15
20220221209
2022-07-14

Refrigeration apparatus that operates a utilization unit based on drivability of a compressor in a heat source unit

 #16
20220146172
2022-05-12

HEAT SOURCE UNIT AND REFRIGERATION DEVICE

 #17
20220146171
2022-05-12

Compressor and refrigeration cycle device having the same

 #18
20220136723
2022-05-05

Chiller plant with dynamic surge avoidance

 #19
20220011030
2022-01-13

Dome-loaded back pressure regulator with setpoint pressure energized by process fluid

 #20
20210376748
2021-12-02

Power converter and air conditioner

 #21
20210364210
2021-11-25

Systems and methods for pressure control in a CO2 refrigeration system

 #22
20210231329
2021-07-29

Air-conditioning device with refrigerant leak detection and control

 #23
20210180847
2021-06-17

Systems and methods for controlling differential refrigerant pressure

 #24
20210095897
2021-04-01

HEAT SOURCE UNIT AND REFRIGERATION CYCLE APPARATUS

 #25
20210063057
2021-03-04

Chiller plant with dynamic surge avoidance

 #26
20210018236
2021-01-21

Air conditioner

 #27
20210010728
2021-01-14

Method and apparatus for charge compensator reheat valve

 #28
20200408450
2020-12-31

Systems and methods for controlling differential refrigerant pressure

 #29
20200408218
2020-12-31

Method and apparatus for pressure equalization in rotary compressors

 #30
20200400349
2020-12-24

Thermal storage of carbon dioxide system for power outage

 #31
20200348051
2020-11-05

Carbon dioxide refrigerant system

 #32
20200332166
2020-10-22

Refrigeration cycle apparatus

 #33
20200103152
2020-04-02

Method to avoid fan cycling during low ambient operation

 #34
20200080757
2020-03-12

Apparatus using a heat pump including a refrigerant leakage detector

 #35
20200056817
2020-02-20

Flow balancer and evaporator having the same

 #36
20200011575
2020-01-09

PRESSURE RELIEF AND RECOVER CIRCUIT FOR REFRIGERATION SYSTEM, CO2 REFRIGERATION SYSTEM AND CONTROL METHOD THEREOF

 #37
20190390881
2019-12-26

Method and apparatus for charge compensator reheat valve

 #38
20190368752
2019-12-05

Refrigeration apparatus with shutoff valve

 #39
20190362919
2019-11-28

Pressure switch and hermetically sealed electric compressor

 #40
20190360731
2019-11-28

Refrigerant transfer control in multi mode air conditioner with hot water generator

 #41
20190301772
2019-10-03

Cooling system

 #42
20190277546
2019-09-12

Method of and system for reducing refrigerant pressure in HVAC systems

 #43
20190212041
2019-07-11

System design for noise reduction of solenoid valve

 #44
20190203991
2019-07-04

Subcritical Carbon Dioxide Dehumidifier

 #45
20190107214
2019-04-11

Manifolds for pressure relief systems

 #46
20190048873
2019-02-14

Single-stage compressor and energy system using the same

 #47
20190041110
2019-02-07

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

 #48
20190041102
2019-02-07

Thermal storage of carbon dioxide system for power outage

 #49
20190003756
2019-01-03

Refrigeration system using emergency electric power

 #50
20180372384
2018-12-27

PRESSURE SPIKE REDUCTION FOR REFRIGERANT SYSTEMS INCORPORATING A MICROCHANNEL HEAT EXCHANGER

 #51
20180328637
2018-11-15

Refrigeration cycle apparatus

 #52
20180320920
2018-11-08

Air conditioning apparatus

 #53
20180306196
2018-10-25

Method and apparatus for pressure equalization in rotary compressors

 #54
20180283736
2018-10-04

Low back pressure flow limiter

 #55
20180283724
2018-10-04

Pressure control device

 #56
20180259233
2018-09-13

System design for noise reduction of solenoid valve

 #57
20180245829
2018-08-30

Liquid line charge compensator

 #58
20180188341
2018-07-05

Magnetic resonance imaging apparatus, and control apparatus of cryogenic cooling system and control method thereof

 #59
20180147676
2018-05-31

Solenoid control methods for dual flow HVAC systems

 #60
20180106514
2018-04-19

Refrigerating apparatus

 #61
20180087816
2018-03-29

High outdoor ambient and high suction pressure oil pump out mitigation for air conditioners

 #62
20180051685
2018-02-22

COMPRESSOR WITH A DISCHARGE VALVE

 #63
20170299241
2017-10-19

Refrigeration cycle apparatus

 #64
20170248264
2017-08-31

Absorbing device and method for its production

 #65
20170227271
2017-08-10

REFRIGERATION SYSTEM AND ITS PRESSURE BALANCE CONTROL DEVICE

 #66
20170175910
2017-06-22

In-line pressure relief valve and rupture disk

 #67
20170102173
2017-04-13

Managing high pressure events in air conditioners

 #68
20170074557
2017-03-16

Equalization System of Compressors Pressure, Equalization Pressure Method and System Operation in Cooling Hermetic Compressors

 #69
20160380575
2016-12-29

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

 #70
20160327321
2016-11-10

Refrigeration apparatus

 #71
20160320098
2016-11-03

CO2 cooling system and method for operating same

 #72
20160102901
2016-04-14

Systems and methods for pressure control in a COrefrigeration system

 #73
20150330686
2015-11-19

Solenoid control methods for dual flow HVAC systems

 #74
20150330685
2015-11-19

System for refrigerant pressure relief in HVAC systems

 #75
20150330684
2015-11-19

Liquid line charge compensator

 #76
20150168036
2015-06-18

Managing high pressure events in air conditioners

 #77
20150135752
2015-05-21

Refrigerating apparatus

 #78
20150082814
2015-03-26

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

 #79
20150000315
2015-01-01

Refrigerant compressor

 #80
20140109605
2014-04-24

Pressure regulation of an air conditioner

 #81
20130000340
2013-01-03

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

 #82
20120266623
2012-10-25

Control algorithm for electronic expansion valve modulation

 #83
20120247142
2012-10-04

Heat pump pool heater start-up pressure spike eliminator

 #84
20120211683
2012-08-23

Valve apparatus

 #85
20120198874
2012-08-09

Air conditioning apparatus

 #86
20120192579
2012-08-02

Refrigerant vapor compression system operation

 #87
20120167602
2012-07-05

Pressure spike reduction for refrigerant systems incorporating a microchannel heat exchanger

 #88
20110290328
2011-12-01

Controlling a heating/cooling system

 #89
20110162397
2011-07-07

Flash tank economizer cycle control

 #90
20110100042
2011-05-05

REFRIGERATING CYCLE DEVICE AND AIR CONDITIONER

 #91
20110048041
2011-03-03

Pressure relief in high pressure refrigeration system

 #92
20090084120
2009-04-02

Pressure based control of parallel compressors in multiple refrigeration units

 #93
20090077985
2009-03-26

Refrigerating Apparatus

 #94
20090001866
2009-01-01

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

 #95
20070295016
2007-12-27

Method for controlling an expansion valve and expansion valve, in particular for vehicle air-conditioning systems operated with CO2 as the refrigerant

 #96
20070074865
2007-04-05

Constant temperature liquid circulating deivce having external piping protecting function

 #97
20060147318
2006-07-06

Oil carry-over prevention from helium gas compressor

 #98
20060124170
2006-06-15

Compressor

 #99
20050229632
2005-10-20

Collector for the liquid phase of the working medium of an air-conditioning system

 #100
20050217283
2005-10-06

Method and apparatus for checking a pressure monitoring device of a compression refrigerating plant

 #101
20050109486
2005-05-26

Suction line heat exchanger for COcooling system

 #102
20050022881
2005-02-03

Hot gas bypass isolation

 #103
15976495
2021-12-07

Dome-loaded back pressure regulator with setpoint pressure energized by process fluid

 #104
15066299
2016-09-06

Cost-effective remote monitoring diagnostic and system health prediction system and method for vapor compression and heat pump units based on compressor discharge line temperature sampling