Patents-Review.com
ClassID:

159519 ⎘

F25B2600/0271 - CPC Classification

Classification description:

Control issues; Compressor control by controlling pressure the discharge pressure

Recent Application in this class:
#1
20250102209
2025-03-27

PRESSURE RELIEF ARRANGEMENT IN REFRIGERANT CIRCUITS

 #2
20240384901
2024-11-21

SYSTEM AND METHOD FOR OPERATING A COMPRESSOR OF AN ENERGY EFFICIENT HEAT PUMP

 #3
20240302088
2024-09-12

CRYOGENIC REFRIGERATION SYSTEM AND CRYOGENIC PUMP

 #4
20240068716
2024-02-29

System and method for operating a compressor of an energy efficient heat pump

 #5
20230358449
2023-11-09

Refrigeration system with combined superheat and subcooling control

 #6
20220404082
2022-12-22

PRESSURE RELIEF ARRANGEMENT IN REFRIGERANT CIRCUITS

 #7
20220107121
2022-04-07

Refrigeration system with combined superheat and subcooling control

 #8
20220042723
2022-02-10

Heating, ventilation, and air conditioning system with primary and secondary heat transfer loops

 #9
20210270279
2021-09-02

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

 #10
20200408218
2020-12-31

Method and apparatus for pressure equalization in rotary compressors

 #11
20200400323
2020-12-24

HVAC unit with hot gas reheat

 #12
20190310005
2019-10-10

Method for optimizing pressure equalization in refrigeration equipment

 #13
20190186761
2019-06-20

HVAC unit with hot gas reheat

 #14
20190170405
2019-06-06

Heating, ventilation, and air conditioning system with primary and secondary heat transfer loops

 #15
20190154322
2019-05-23

Refrigeration cycle apparatus capable of performing refrigerant recovery operation and controlling blower

 #16
20190092134
2019-03-28

Drive cooling systems and methods for engine off

 #17
20190092133
2019-03-28

Battery power management systems and methods for engine off

 #18
20190092132
2019-03-28

Compressor discharge pressure based control systems and methods

 #19
20190092131
2019-03-28

Vehicle air conditioning control systems

 #20
20190092117
2019-03-28

Evaporator freeze prevention systems and methods

 #21
20190078818
2019-03-14

Refrigeration system with combined superheat and subcooling control

 #22
20190041111
2019-02-07

Power management for CO2 transportation refrigeration system

 #23
20190011169
2019-01-10

Movable platen cooling apparatus and movable platen cooling system

 #24
20180306196
2018-10-25

Method and apparatus for pressure equalization in rotary compressors

 #25
20180031281
2018-02-01

Heat pump defrosting system and method

 #26
20170241688
2017-08-24

Air conditioner and control method thereof

 #27
20170167761
2017-06-15

Heat pump with an auxiliary heat exchanger for compressor discharge temperature control

 #28
20170030601
2017-02-02

HVAC unit with hot gas reheat

 #29
20170030600
2017-02-02

HVAC unit with hot gas reheat

 #30
20170030599
2017-02-02

HVAC unit with hot gas reheat

 #31
20170003060
2017-01-05

Air-conditioning apparatus

 #32
20160245536
2016-08-25

Air-conditioning apparatus

 #33
20160216025
2016-07-28

HVAC unit with hot gas reheat

 #34
20150316284
2015-11-05

Air-conditioning apparatus

 #35
20150316275
2015-11-05

Air-conditioning apparatus with subcooling heat exchanger

 #36
20150308701
2015-10-29

Air-conditioning apparatus

 #37
20150300714
2015-10-22

Air-conditioning apparatus

 #38
20150267952
2015-09-24

System for controlling operation of an HVAC system having tandem compressors

 #39
20150267942
2015-09-24

Cryogenic refrigerator and method of controlling cryogenic refrigerator

 #40
20150168044
2015-06-18

Air conditioner and method of controlling an air conditioner

 #41
20150168037
2015-06-18

Air-conditioning apparatus

 #42
20150143829
2015-05-28

Heat pump system having a pressure trip sensor recalculation algorithm controller

 #43
20150000315
2015-01-01

Refrigerant compressor

 #44
20140331702
2014-11-13

Air-conditioning apparatus

 #45
20140260368
2014-09-18

Heat pump defrosting system and method

 #46
20140053587
2014-02-27

Refrigeration cycle apparatus

 #47
20130091877
2013-04-18

Air conditioner and method of operating an air conditioner

 #48
20130008194
2013-01-10

HEAT PUMP APPARATUS AND OPERATION METHOD FOR HEAT PUMP APPARATUS

 #49
20120318014
2012-12-20

Capacity and pressure control in a transport refrigeration system

 #50
20120272669
2012-11-01

HVAC unit with hot gas reheat

 #51
20120198874
2012-08-09

Air conditioning apparatus

 #52
20120014812
2012-01-19

Compressor surge control system and method

 #53
20110048041
2011-03-03

Pressure relief in high pressure refrigeration system

 #54
20100281914
2010-11-11

CHILLED WATER SKID FOR NATURAL GAS PROCESSING

 #55
20100057263
2010-03-04

Method and apparatus for cooling

 #56
20100018228
2010-01-28

BIO-RENEWABLE THERMAL ENERGY HEATING AND COOLING SYSTEM AND METHOD

 #57
20090183517
2009-07-23

Vapor compression refrigerating cycle, control method thereof, and refrigerating apparatus to which the cycle and the control method are applied

 #58
20090173094
2009-07-09

Air conditioner

 #59
20080173425
2008-07-24

Multi-faceted designs for a direct exchange geothermal heating/cooling system

 #60
20060080989
2006-04-20

Refrigeration/air conditioning equipment

 #61
20050274132
2005-12-15

Pressure control valve and vapor-compression refrigerant cycle system using the same

 #62
20050235675
2005-10-27

Heat pump and compressor discharge pressure controlling apparatus for the same