Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24F - Air-conditioning; Air-humidification; Ventilation; Use of air currents for screening › F24F 11 - Control or safety systems or apparatus
Patents for F24F 11 - Control or safety systems or apparatus (29,222)
11/2000
11/23/2000CA2373353A1 Humidity control
11/22/2000EP0900417B1 Home and building automation system
11/22/2000CN1274065A Method of preventing air conditioner from overheat
11/21/2000US6149066 Method and apparatus for controlling supplemental heat in a heat pump system
11/16/2000DE19847504C1 Fresh and recycled air volume control method for air-conditioning unit for automobile passenger space regulates ratio of fresh and recycled air volumes in dependence on detected air quality and required air temperature
11/14/2000US6147601 Electronic message delivery system utilizable in the monitoring of remote equipment and method of same
11/14/2000US6145751 Method and apparatus for determining a thermal setpoint in a HVAC system
11/14/2000US6145750 Ventilator for beneath enclosed structures
11/14/2000US6145328 Air conditioner having power cost calculating function
11/08/2000EP1050332A2 Air purifier
11/08/2000EP1049965A1 Hvac fan-powered terminal unit having preset fan cfm
11/08/2000CN2405152Y Air conditioner with human sensing control
11/02/2000EP1048905A2 Actuator having timer-controlled power switching device
11/02/2000DE19913739A1 Domestic technical system has controller with limited number of commands that outputs command to all elements when activated; each element converts command in manner specific to it
11/02/2000DE19912579A1 Method to operate heating, ventilation or air-conditioning unit; involves controlling pump and adjustment drives for pipe system control fittings using microprocessors connected by data bus
11/01/2000CN2404045Y Multi-function adjustable handle
11/01/2000CN2404044Y Vfd显示柜式空调器 Vfd display cabinet air conditioner
10/2000
10/25/2000CN2402955Y Full-automatic timing air refreshing device
10/25/2000CN1057828C Controller for air conditioner
10/24/2000US6134901 Method of speed control of compressor and control arrangement using the method
10/18/2000EP1044346A1 Method at ventilation systems and arrangement for distributing air to room units
10/18/2000CN2401836Y Computerized air conditioner controller
10/18/2000CN2401835Y VFD controller for air conditioner
10/17/2000US6131463 Apparatus and method to optimize fume containment by a hood
10/17/2000US6131402 Apparatus and method of operating a heat pump to improve heating supply air temperature
10/17/2000CA2156879C Air conditioner
10/11/2000EP1042636A1 Air pressure stabiliser
10/11/2000CN2400738Y Automatic water-feeding device for geothermal hot-pump central air-conditioning machine set system
10/11/2000CN2400737Y Indoor variable blast volume temp. controller for central air conditioner
10/11/2000CN1057376C 空调机 Air conditioners
10/10/2000US6129286 Ventilation system, particularly for use in the agricultural field
10/10/2000US6129285 System and method for air humidification
10/10/2000US6128910 Diagnostic unit for an air conditioning system
10/05/2000WO2000058658A2 Method and apparatus for sealing building ductwork during chemical or biological attack
10/05/2000CA2366425A1 Method and apparatus for sealing building ductwork during chemical or biological attack
10/04/2000CN2399654Y One-key controllab intelligence air conditioner
10/04/2000CN1269044A Analog spectrum display for environmental control
10/04/2000CN1268649A Method and device for controlling cold air flow from air conditioner
10/04/2000CN1057155C Air conditioning apparatus
10/04/2000CN1057153C 空调机 Air conditioners
10/03/2000US6126540 Staged power exhaust for HVAC air handling units
10/03/2000US6126080 Air conditioner
10/03/2000US6125640 Method of controlling a system having multiple air conditioner units
10/03/2000CA2244012C Wireless remote temperature sensing thermostat with adjustable register
09/2000
09/27/2000CN2398565Y Human body tmep. type air conditioner remote controller
09/27/2000CN1268216A Auctioneering temperature and humidity controller with reheat
09/26/2000US6123147 Humidity control apparatus for residential air conditioning system
09/26/2000US6122918 Storage cabinet for cigars
09/21/2000WO2000020238A3 Regulating device for a coolant circuit of an air conditioning system
09/20/2000EP1036995A1 Indoor-outdoor communication device in air conditioner
09/20/2000EP1036994A2 Air conditioner
09/20/2000CN2397421Y Automatic monitoring alarm device for air conditioner filter gauze
09/20/2000CN2397410Y Air conditioner for underwater navigation device
09/14/2000WO2000054557A1 A networkable power controller
09/13/2000EP1035644A1 Variable frequency inverter for electromotor
09/13/2000EP1035386A2 A ventilation system
09/13/2000EP1035380A2 A combined microwave oven and extractor hood unit
09/13/2000CN2396325Y Numerically controlled circuit for air drying fan
09/13/2000CN2396324Y Intelligent indoor air auto-purifying regulator
09/13/2000CN2396323Y Air conditioner controller with permanent calendar
09/13/2000CN2396159Y Improved key with remote-controller
09/13/2000CN1266165A Wall-installed microwave oven and method for controlling ventilation motor thereof
09/13/2000CN1266164A Wall-installed microwave oven and method for controlling motor of exhausting hood thereof
09/13/2000CN1266163A Wall-installed microwave oven and method for controlling ventilation motor thereof
09/12/2000US6116029 Atmospheric control system for a humidor
09/07/2000DE19908065A1 Ventilating and air-conditioning device on wall or ceiling is enclosed all round by cover as rectangular plan baffle shutter spaced from wall and ceiling by gaps acting as waste air entries with fresh air entry frontally asymmetric.
09/06/2000EP1032794A1 Air conditioning control system for variable evaporator temperature
09/06/2000CN1265734A Method and apparatus for controlling air flow in indoor machine of air conditioner
09/06/2000CN1265731A Dehumidifying air-conditioning system and method of operating the same
09/06/2000CN1056225C Air-condiitoning system
09/05/2000US6112545 Single pipe closed loop reverse flow cooling and dehumidification system
08/2000
08/30/2000EP1031171A1 Wireless signal distribution in a building hvac system
08/30/2000CN2394143Y Automatic temp.-control unit of air conditioner remote controller
08/30/2000CN1264812A Communicating assembly of multiple air conditioners system and its initial operation method
08/30/2000CN1055992C Control appts. and method for air conditioner
08/29/2000US6110038 System for detecting and purging carbon monoxide
08/29/2000US6109533 Air conditioner and refrigerant heater outlet temperature control method
08/29/2000CA2124281C Heating system having increased air circulation
08/24/2000WO2000049343A1 Operation control method for air conditioning system and air conditioning system
08/24/2000WO2000048752A1 Method and system for the regulation of ventilation in a welding workshop
08/23/2000CN2393017Y Touch-type electronic lock for air-conditioner
08/23/2000CN1264024A 空调机 Air conditioning
08/23/2000CN1264019A Constant temp. and humidity system
08/22/2000US6108614 System and method for serial communication between a central unit and a plurality of remote units
08/17/2000WO2000047934A1 Timing accessory for air-conditioning system
08/16/2000CN2392104Y Dynamic damp-proof moisture removing apparatus
08/16/2000CN1263236A Air flow direction control method for air conditioner
08/16/2000CN1263235A Automatic regulating and controlling system for air-conditioner power
08/16/2000CN1055552C Control method and system for controlling temp.
08/15/2000US6104016 Wall-mounted microwave oven and method for controlling hood motor therefor
08/15/2000US6102793 Ventilation system
08/15/2000US6102749 Electronic thermostat having high and low voltage control capability
08/15/2000US6102296 Integrated switch pad-aspirated sensor shroud for vehicular climate control systems and methods of manufacture and use
08/15/2000US6102114 Multi-room air conditioning system
08/15/2000US6101824 Flexible thermostat controller that permits various control point profiles when controlling multistage HVAC equipment
08/09/2000EP1026452A2 Ventilating system
08/09/2000EP1025474A1 Environmental condition control and energy-management system and method
08/09/2000CN2391125Y Wire remote controller for window air conditioner
08/09/2000CN1262417A Multi-blower air conditioning system with variable wind flow
08/08/2000US6099404 Process and apparatus for the humidification of air in an aircraft cabin
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