ClassID:

159307

F25B2313/02742 - CPC Classification

Classification description:

Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two four-way valves

Recent Application in this class:
#1
20240377109
2024-11-14

AIR CONDITIONER

#2
20240328680
2024-10-03

MEDICAL CONTACT SHOCK FREEZER

#3
20240183584
2024-06-06

Hybrid Heat-Pump System

#4
20240167732
2024-05-23

Climate control systems having ejector cooling for use with moderate to high glide working fluids and methods for operation thereof

#5
20240044556
2024-02-08

Air conditioning, heat pump and water heating system

#6
20240019186
2024-01-18

REFRIGERATION CYCLE APPARATUS

#7
20230296273
2023-09-21

AIR CONDITIONER AND METHOD FOR CONTROLLING THE SAME

#8
20230250982
2023-08-10

Heat Pump System, Control Method and Apparatus Thereof, Air Conditioning Device and Storage Medium

#9
20230235931
2023-07-27

Air conditioning system with multi-temperature zone, control method therefor and transport refrigeration vehicle

#10
20230152014
2023-05-18

Heat exchange system, air conditioning apparatus and control method for air conditioning apparatus

#11
20230057478
2023-02-23

REFRIGERATION CYCLE APPARATUS

#12
20220397312
2022-12-15

COUNTER-CURRENT FLOW IN BOTH AC AND HP MODES FOR PART LOAD OPTIMIZATION

#13
20220325923
2022-10-13

Refrigerant cycle system

#14
20220307737
2022-09-29

Hybrid heat-pump system

#15
20220221199
2022-07-14

Heat pump system

#16
20220205695
2022-06-30

Defrosting control method of multifunctional multi-split system with double four-way valves

#17
20220205692
2022-06-30

Oil return control method of multi-functional multi-split system with double four-way valves

#18
20210404714
2021-12-30

Multi-connected heat recovery air conditioning system and control method thereof

#19
20210372671
2021-12-02

Refrigeration cycle device

#20
20210364206
2021-11-25

HEAT PUMP SYSTEM AND AIR CONDITIONER

#21
20210302073
2021-09-30

Heating, Ventilation, and Air-Conditioning System with Reheat

#22
20210215403
2021-07-15

Heat pump system, defrosting method for a heat pump system, and controller

#23
20210080137
2021-03-18

Air conditioning system and control method for air conditioning system

#24
20200173694
2020-06-04

Air-conditioning device

#25
20190383532
2019-12-19

Air-conditioning apparatus

#26
20190271478
2019-09-05

Air conditioner with a four-way reheat valve

#27
20190257554
2019-08-22

Air conditioner

#28
20190186776
2019-06-20

Air conditioner system and a control method for the same

#29
20190128569
2019-05-02

EJECTOR REFRIGERATION CIRCUIT

#30
20190024951
2019-01-24

Refrigeration cycle apparatus with path switching circuit

#31
20190011154
2019-01-10

Transport refrigeration system

#32
20190011148
2019-01-10

Refrigeration cycle apparatus

#33
20180347873
2018-12-06

Outdoor unit for VRF air conditioning system and VRF air conditioning system having same

#34
20180252443
2018-09-06

Air conditioner

#35
20180201098
2018-07-19

Refrigeration cycle device

#36
20180095483
2018-04-05

Air conditioner with indoor units and outdoor units

#37
20180073782
2018-03-15

Refrigeration cycle apparatus

#38
20180017293
2018-01-18

Cooling/heating switching unit and air conditioner including the same

#39
20170370623
2017-12-28

Heat pump system and regulating method thereof

#40
20170284684
2017-10-05

Multi-split air-conditioner and outdoor unit system thereof

#41
20160223235
2016-08-04

Air conditioner and method for controlling an air conditioner

#42
20160195311
2016-07-07

Heat pump system, heat pump unit using the same, and method for controlling multiple functional modes thereof

#43
20160178250
2016-06-23

Outdoor device for an air conditioner

#44
20160153687
2016-06-02

Additive heat unit for HVAC heat pump system

#45
20160084535
2016-03-24

Outdoor unit of air conditioner and air conditioner

#46
20160069594
2016-03-10

Cold regenerative air conditioning apparatus

#47
20160003499
2016-01-07

Regenerative air-conditioning apparatus and method of controlling the same

#48
20150267928
2015-09-24

Air conditioner

#49
20150068241
2015-03-12

Outdoor unit of air-conditioner, two-pipe air-conditioning system and three-pipe air-conditioning system having the same

#50
20150040595
2015-02-12

Refrigeration cycle apparatus

#51
20140245764
2014-09-04

Refrigerant cycle system

#52
20140157811
2014-06-12

Refrigeration cycle device

#53
20140047862
2014-02-20

Refrigeration device

#54
20130219940
2013-08-29

Air-conditioning apparatus for preventing the freezing of non-azeotropic refrigerant

#55
20130199231
2013-08-08

Heat medium relay unit and air-conditioning apparatus equipped with same

#56
20130104576
2013-05-02

Air conditioner and method of controlling the same

#57
20130025307
2013-01-31

Refrigeration system

#58
20120174610
2012-07-12

Refrigeration cycle apparatus with an expander to recover power from refrigerant

#59
20120118530
2012-05-17

Air-conditioning apparatus with relay unit

#60
20110314848
2011-12-29

Combined air-conditioning and hot-water supply system

#61
20110214437
2011-09-08

Heat pump system and control method thereof

#62
20110088427
2011-04-21

Control Valve and Air Conditioner Equipped with the Valve

#63
20110079032
2011-04-07

HEAT PUMP WITH MICROCHANNEL HEAT EXCHANGERS AS BOTH OUTDOOR AND REHEAT EXCHANGERS

#64
20110048054
2011-03-03

Air conditioner having indoor and outdoor units

#65
20110048053
2011-03-03

Air conditioner

#66
20110036118
2011-02-17

Refrigeration cycle apparatus

#67
20110023533
2011-02-03

REFRIGERATING CYCLE DEVICE

#68
20100319376
2010-12-23

HEAT SOURCE UNIT OF REFRIGERATION SYSTEM AND REFRIGERATION SYSTEM

#69
20100275634
2010-11-04

REFRIGERATION APPARATUS

#70
20100251758
2010-10-07

Humidity control apparatus

#71
20100206000
2010-08-19

Air conditioner and method of controlling the same

#72
20100199695
2010-08-12

Air conditioning apparatus

#73
20100198415
2010-08-05

Air-conditioning apparatus

#74
20100170295
2010-07-08

Refrigeration cycle device

#75
20100146998
2010-06-17

Refrigeration apparatus

#76
20100115974
2010-05-13

Start-up control method for refrigeration cycle apparatus and refrigeration cycle control apparatus using the same

#77
20100101268
2010-04-29

REFRIGERATION SYSTEM

#78
20090260380
2009-10-22

Control of supercritical refrigeration system

#79
20090173486
2009-07-09

GAS ENGINE DRIVEN HEAT PUMP SYSTEM WITH INTEGRATED HEAT RECOVERY AND ENERGY SAVING SUBSYSTEMS

#80
20090165480
2009-07-02

Refrigeration system

#81
20090126398
2009-05-21

Refrigeration Apparatus

#82
20090100860
2009-04-23

Fluid machine

#83
20090090129
2009-04-09

Refrigerant cycle device with ejector

#84
20090071187
2009-03-19

Refrigerating apparatus

#85
20090056358
2009-03-05

Air conditioner and heat source unit with other unit start up control

#86
20080314064
2008-12-25

Air conditioning system with selective regenerative thermal energy feedback control

#87
20080236185
2008-10-02

Air conditioner

#88
20080209930
2008-09-04

Heat Pump with Pulse Width Modulation Control

#89
20080190130
2008-08-14

Heat pump system with auxiliary water heating

#90
20080098758
2008-05-01

Refrigeration Apparatus

#91
20080087030
2008-04-17

Water-cooled air conditioner

#92
20080087027
2008-04-17

Water-cooled air conditioner

#93
20080060365
2008-03-13

Refrigeration System

#94
20080034777
2008-02-14

Gas engine driven heat pump system with integrated heat recovery and energy saving subsystems

#95
20080022710
2008-01-31

Simultaneous heating/cooling multi air conditioner

#96
20070283712
2007-12-13

Heat pump with reheat and economizer functions

#97
20070196227
2007-08-23

Rotary expander

#98
20070130978
2007-06-14

Air conditioner

#99
20060096306
2006-05-11

Start-up control method for refrigeration cycle apparatus and refrigeration cycle control apparatus using the same

#100
20060053823
2006-03-16

Heat pump with reheat and economizer functions

#101
20060053822
2006-03-16

Multi-circuit dehumidification heat pump system

#102
20060048526
2006-03-09

Discharge valve to increase heating capacity of heat pumps

#103
20060010899
2006-01-19

Flash tank for heat pump in heating and cooling modes of operation

#104
20050086970
2005-04-28

Combined expansion device and four-way reversing valve in economized heat pumps