ClassID:

158314

F24F2011/0006 - CPC Classification

Classification description:

Control or safety arrangements for ventilation using low temperature external supply air to assist cooling

Recent Application in this class:
#1
20250043979
2025-02-06

SYSTEM AND METHOD FOR MONITORING AIR QUALITY WHILE COOLING AN OUTDOOR ELECTRONIC DISPLAY ASSEMBLY

#2
20240263818
2024-08-08

System and method for monitoring air quality while cooling an outdoor electronic display assembly

#3
20240210055
2024-06-27

Exhaust hood system with fluid wall air filter

#4
20240027094
2024-01-25

USING LIQUID TO AIR MEMBRANE ENERGY EXCHANGER FOR LIQUID COOLING

#5
20240003565
2024-01-04

System and method for monitoring air quality while cooling an outdoor electronic display assembly

#6
20230027821
2023-01-26

AIR-CONDITIONING SYSTEM

#7
20220299225
2022-09-22

Energy reducing retrofit apparatus for a constant volume HVAC system

#8
20220155743
2022-05-19

SYSTEM AND METHOD OF ADVANCED DIGITAL ECONOMIZATION

#9
20220082279
2022-03-17

Ventilation controller

#10
20210396422
2021-12-23

Using liquid to air membrane energy exchanger for liquid cooling

#11
20210381709
2021-12-09

System and method for commissioning fresh air intake control

#12
20210348780
2021-11-11

Exhaust hood system with fluid wall air filter

#13
20210310685
2021-10-07

Air conditioning system

#14
20210310680
2021-10-07

Temperature differential based fan control

#15
20210302038
2021-09-30

Damper fault detection

#16
20210190657
2021-06-24

Pressure probe including multiple orfices for measuring air pressure in varying airflow systems

#17
20210190656
2021-06-24

Pressure probes and pressure measurements in airflow

#18
20210063040
2021-03-04

Air-conditioning control apparatus, air-conditioning control method, and computer readable medium

#19
20200326088
2020-10-15

Fan-on detection and correction

#20
20200217533
2020-07-09

Economizer having damper modulation

#21
20200080738
2020-03-12

Energy reducing retrofit apparatus for a constant volume HVAC system

#22
20200073800
2020-03-05

Approach and mechanism for calculating and configuring memory mapping of trend log objects in a system

#23
20200073351
2020-03-05

APPROACH AND MECHANISM FOR EXECUTION OF CRITICAL SYSTEM OPERATIONS

#24
20200064008
2020-02-27

WALL-MOUNT AIR CONDITIONER AND METHOD INVOLVING SAME

#25
20200033017
2020-01-30

System and method for monitoring air quality while cooling an outdoor electronic display assembly

#26
20200029459
2020-01-23

Ventilation control apparatus and method

#27
20190301752
2019-10-03

Air-conditioning apparatus

#28
20190285291
2019-09-19

High efficiency scalable structure

#29
20190257534
2019-08-22

HVAC system with multi-state predictive free cooling control

#30
20190204196
2019-07-04

Pressure probe including multiple orifices for measuring air pressure in varying airflow systems

#31
20190178505
2019-06-13

System for conditioning an airflow using a portable closed loop cooling system

#32
20190120512
2019-04-25

Detection of damper motor mechanically disconnected from damper assembly

#33
20190093911
2019-03-28

Ventilation controller

#34
20180340703
2018-11-29

Damper fault detection

#35
20180335220
2018-11-22

Wall-mount air conditioner and method involving same

#36
20180292100
2018-10-11

Spatial environmental control unit

#37
20180274810
2018-09-27

Mechanical ventilation heat recovery apparatus

#38
20180224149
2018-08-09

Cooling system with reduced pressure drop

#39
20180209674
2018-07-26

HVAC system with predictive free cooling control based on the cost of transitioning into a free cooling state

#40
20180172306
2018-06-21

Energy reducing retrofit apparatus for a constant volume HVAC system

#41
20180135880
2018-05-17

Using liquid to air membrane energy exchanger for liquid cooling

#42
20180128510
2018-05-10

Systems and methods for managing conditions in enclosed space

#43
20180119971
2018-05-03

Modular data center

#44
20180073756
2018-03-15

Economizer having damper modulation

#45
20180049565
2018-02-22

Self-checkout station air circulation

#46
20180039307
2018-02-08

Multi-mode cooling system and method with evaporative cooling

#47
20180017276
2018-01-18

Demand control ventilation system with commissioning and checkout sequence control

#48
20170299209
2017-10-19

Systems and methods for minimizing compressor use in HVAC systems

#49
20170241661
2017-08-24

PREDICTIVE FREE COOLING

#50
20170159951
2017-06-08

Modular data center

#51
20170130973
2017-05-11

Economizer target temperature shift during mechanical cooling

#52
20170122612
2017-05-04

Mixed air temperature sensor bypass

#53
20170118874
2017-04-27

Cooling systems for small equipment rooms and methods of cooling small equipment rooms

#54
20170051941
2017-02-23

Air-conditioning apparatus and air-conditioning system

#55
20170003045
2017-01-05

System and method of advanced digital economization

#56
20160370029
2016-12-22

Heat recovery and demand ventilation system

#57
20160238270
2016-08-18

System, method and apparatus for use of dynamically variable compressor delay in thermostat to reduce energy consumption

#58
20160192543
2016-06-30

Air-conditioning apparatus

#59
20160178224
2016-06-23

CONDITIONING SYSTEM OF THE FREE COOLING TYPE FOR ENVIRONMENTS AND PARTICULARLY FOR COMPUTING CENTERS, METHOD OF OPERATION OF SUCH SYSTEM, AND APPARATUS FOR CARRYING OUT SUCH METHOD

#60
20160178223
2016-06-23

Equipment enclosure with multi-mode temperature control system

#61
20160169544
2016-06-16

Unit with recovery wheel and economizer and method of control

#62
20160146218
2016-05-26

Fan module

#63
20160143181
2016-05-19

Ventilation control apparatus and method

#64
20160123615
2016-05-05

Economizer having damper modulation

#65
20160116177
2016-04-28

Damper fault detection

#66
20160054017
2016-02-25

AIR CONDITIONING MANAGEMENT DEVICE, AIR CONDITIONING SYSTEM, AND PROGRAM

#67
20160040893
2016-02-11

Thermal gradient fluid header for multiple heating and cooling systems

#68
20160018123
2016-01-21

Instruction device, and air conditioning system

#69
20150377507
2015-12-31

Demand control ventilation system with commissioning and checkout sequence control

#70
20150276249
2015-10-01

Fresh air cooling device

#71
20150253024
2015-09-10

CONTROLLER FOR VENTILATION APPARATUS

#72
20150241077
2015-08-27

Air conditioning control system and air conditioning control method

#73
20150219355
2015-08-06

Energy reducing retrofit apparatus for a constant volume HVAC system

#74
20150211777
2015-07-30

Economizer target temperature shift during mechanical cooling

#75
20150184884
2015-07-02

Efficient combination of ambient air and heating, ventilating, and air conditioning (HVAC) system

#76
20150181759
2015-06-25

Ventilation denoising device and ventilation denoising system

#77
20150114614
2015-04-30

Mixed air temperature sensor bypass

#78
20150107817
2015-04-23

Systems and methods for ventilating a building

#79
20150099450
2015-04-09

Ventilation system and method for monitoring air flow in a ventilation system for a turbomachine assembly

#80
20150021405
2015-01-22

System, method and apparatus for use of dynamically variable compressor delay in thermostat to reduce energy consumption

#81
20150011154
2015-01-08

Method and system for controlling ventilation in a building

#82
20150000317
2015-01-01

Integrated air conditioning system and control device thereof

#83
20140349563
2014-11-27

Air conditioning apparatus and air conditioning control method

#84
20140345207
2014-11-27

High efficiency scalable structure

#85
20140277759
2014-09-18

Method of advanced digital economization

#86
20140242898
2014-08-28

Centralized fresh air cooling system

#87
20140216707
2014-08-07

Methods and apparatus for differential energy based airside economizer changeover

#88
20140207288
2014-07-24

Control unit for an HVAC system comprising an economizer and method for operating such control unit

#89
20140182833
2014-07-03

Ventilation controller

#90
20140093269
2014-04-03

Air-conditioning unit, image forming apparatus incorporating same, and air-conditioning channel switching method

#91
20140069131
2014-03-13

AIR CONDITIONING SYSTEM

#92
20140063730
2014-03-06

Multi-mode cooling system and method with evaporative cooling

#93
20130295834
2013-11-07

MULTI-CHASSIS CLIMATE REGULATOR PLENUM

#94
20130282183
2013-10-24

Energy reducing retrofit method and apparatus for a constant volume HVAC system

#95
20130171922
2013-07-04

Method for controlling a ventilation system for the ventilation of an enclosure and a ventilation system

#96
20130111937
2013-05-09

Cooling module for modular data center and system comprising the cooling module and at least one server module

#97
20130105107
2013-05-02

Energy saving air conditioning system and air conditioning method thereof

#98
20130098597
2013-04-25

AIR-SIDE FREE COOLING SYSTEM AND DATA CENTER

#99
20130096722
2013-04-18

Return fan control system and method

#100
20130085613
2013-04-04

Method and system for improving energy efficiency in an HVAC system

#101
20130048267
2013-02-28

VENTILATION AND AIR-CONDITIONING APPARATUS AND METHOD FOR CONTROLLING THE SAME

#102
20130047547
2013-02-28

Methods and apparatus for managing corrosion in buildings

#103
20130045671
2013-02-21

SYSTEM USING OUTDOOR AMBIENT AIR TO COOL WALK IN COOLERS AND OTHER AREAS

#104
20130037254
2013-02-14

Data center with low power usage effectiveness

#105
20130013117
2013-01-10

Methods and apparatus for differential energy based airside economizer changeover

#106
20130005235
2013-01-03

Air conditioning system and air conditioning control method for server room

#107
20120310420
2012-12-06

Dynamic HVAC airside economizer high limit start control

#108
20120283880
2012-11-08

Economizer control

#109
20120267069
2012-10-25

Air-Conditioning Box Comprising a Heat Exchanger and Air-Conditioning Method

#110
20120247748
2012-10-04

AIR CONTROL SYSTEM

#111
20120239165
2012-09-20

Extremum seeking control with actuator saturation control

#112
20120216982
2012-08-30

TOTAL HEAT EXCHANGE-TYPE VENTILATING APPARATUS, AND METHOD FOR CONTROLLING SAME

#113
20120190292
2012-07-26

ENCLOSURE AND METHOD OF COOLING SAME USING AMBIENT AIR

#114
20120149291
2012-06-14

Thermogenic augmentation system

#115
20120144851
2012-06-14

Multi-mode cooling system and method with evaporative cooling

#116
20120144850
2012-06-14

Multi-mode cooling system and method with evaporative cooling

#117
20120096874
2012-04-26

Independent free cooling system

#118
20120083926
2012-04-05

Adaptive real-time optimization control

#119
20120083196
2012-04-05

System and Method for Conditioning Air

#120
20120064818
2012-03-15

Heat recovery and demand ventilationsystem

#121
20120052791
2012-03-01

Heat recovery and demand ventiliation system

#122
20120037233
2012-02-16

DIRECT FREE COOLING

#123
20120031606
2012-02-09

Intelliaire climate controller

#124
20110320045
2011-12-29

Fault detection systems and methods for self-optimizing heating, ventilation, and air conditioning controls

#125
20110275304
2011-11-10

Air diffuser and air circulation system

#126
20110264280
2011-10-27

Automatic calibration of a demand control ventilation system

#127
20110264275
2011-10-27

Demand control ventilation system with commissioning and checkout sequence control

#128
20110264274
2011-10-27

Demand control ventilation with fan speed control

#129
20110264273
2011-10-27

Demand control ventilation system with remote monitoring

#130
20110172831
2011-07-14

Economizer control

#131
20110168793
2011-07-14

Economizer control

#132
20110159796
2011-06-30

Displacement ventilation systems for enclosed spaces

#133
20110100618
2011-05-05

Data center with low power usage effectiveness

#134
20110097988
2011-04-28

VARIABLE AIR VOLUME ECONOMIZER MINIMUM POSITION RESET

#135
20110056224
2011-03-10

Sensor-free optimal control of air-side economizer

#136
20110046790
2011-02-24

Energy reducing retrofit method for a constant volume HVAC system

#137
20110036108
2011-02-17

Adaptive real-time optimization control

#138
20100312396
2010-12-09

Environment control system

#139
20100300131
2010-12-02

Cooling system

#140
20100282857
2010-11-11

System, method and apparatus for dynamically variable compressor delay in thermostat to reduce energy consumption

#141
20100154448
2010-06-24

Multi-mode cooling system and method with evaporative cooling

#142
20100106331
2010-04-29

Extremum seeking control with actuator saturation control

#143
20100070088
2010-03-18

AIR-CONDITIONING ALGORITHM FOR WATER TERMINAL FREE COOLING

#144
20100070082
2010-03-18

METHODS AND SYSTEMS FOR CONTROLLING AN AIR CONDITIONING SYSTEM OPERATING IN FREE COOLING MODE

#145
20100065650
2010-03-18

Air conditioning system

#146
20100057258
2010-03-04

Return fan control system and method

#147
20100048123
2010-02-25

SYSTEM AND METHOD FOR ENERGY EFFICIENT AIR COOLING, EXCHANGE AND CIRCULATION

#148
20100012291
2010-01-21

Air processor and system for heating and cooling

#149
20100012290
2010-01-21

Thermal gradient fluid header for multiple heating and cooling systems

#150
20100000724
2010-01-07

Method and device for cooling circulating air

#151
20090241564
2009-10-01

Air conditioning and energy recovery system and method of operation

#152
20090210096
2009-08-20

Climate control system for data centers

#153
20090186572
2009-07-23

AIR DISTRIBUTING APPARATUS FOR REDUCING ENERGY CONSUMPTION

#154
20090186570
2009-07-23

Air Handling System

#155
20090101304
2009-04-23

HEAT EXCHANGE TYPE COOLING DEVICE

#156
20090083583
2009-03-26

Fault detection systems and methods for self-optimizing heating, ventilation, and air conditioning controls

#157
20090056347
2009-03-05

AIR CONDITIONING AND ENERGY RECOVERY SYSTEM AND METHOD OF OPERATION

#158
20090013703
2009-01-15

NATURAL AIR ENERY SAVING TEMPERATURE ASSIST SYSTEM FOR CENTRAL AIR CONDITIONING / HEATING SYSTEM

#159
20080242216
2008-10-02

AIR-CONDITIONING SYSTEM FOR A ROOM

#160
20080207112
2008-08-28

Wall-mounted grille particularly for the passage of air from an air-conditioning unit toward the outside

#161
20080179409
2008-07-31

Adaptive real-time optimization control

#162
20080179408
2008-07-31

Sensor-free optimal control of air-side economizer

#163
20080003940
2008-01-03

Ventilator system and method

#164
20080000630
2008-01-03

Ventilator system and method

#165
20070277811
2007-12-06

Method and apparatus for cooling ventilation air for a building

#166
20070256445
2007-11-08

Shutter movement device for climate control apparatuses

#167
20070205297
2007-09-06

Methods and apparatuses for controlling air to a building

#168
20070180848
2007-08-09

Conditioning device of the free cooling type

#169
20060150644
2006-07-13

Indoor air quality and economizer control methods and controllers

#170
20060130502
2006-06-22

Virtual controller for mixed air low temperature protection of HVAC systems

#171
20060118979
2006-06-08

Method and device for cooling circulating air

#172
20060117769
2006-06-08

Ventilation controller

#173
20060086058
2006-04-27

Dewpoint cooler designed as a frame or part thereof

#174
20050284162
2005-12-29

Free cooling activation optimized controls

#175
14955275
2016-10-04

Tile assemblies faciliating failover airflow into cold air containment aisle