Patents for F24F 11 - Control or safety systems or apparatus (29,222)
12/2002
12/18/2002EP1267131A2 Device for controlling expansion valve in multi air condition system
12/18/2002CN2526720Y Refrigerant distributor for constant speed one driven two air-conditioner
12/18/2002CN2526719Y Intelligent centralized constant speed one driven multiple air-conditioner
12/18/2002CN1386184A Refrigerant circuit of air conditioner
12/12/2002WO2002099341A1 Arrangement for controlling airflow for example in clean rooms
12/12/2002US20020185272 Advanced starting control for multiple zone system
12/12/2002US20020185271 Advanced starting control for heating/cooling systems
12/12/2002US20020184898 Auto monitoring control circuit unit of heat exchanger in air conditioning system
12/12/2002CA2449960A1 Arrangement for controlling airflow for example in clean rooms
12/11/2002EP0917677B1 Ventilation controlling apparatus
12/11/2002CN1385052A Remote-controlled audio response system and remote-controlled audio response device
12/11/2002CN1096056C Integrated active noise control system for air handling unit
12/11/2002CN1095974C Apparatus and method for controlling operation of air conditioner
12/10/2002US6491094 Control for a heating ventilating and air conditioning unit
12/10/2002CA2106187C Flow regulator adaptable for use with exhaust from a process chamber
12/05/2002US20020183001 Carbon monoxide air exchange system
12/05/2002US20020178740 Remote controller for air conditioner and air conditioner
12/05/2002US20020178738 Air conditioner
12/05/2002DE10122907A1 Ventilation system for rooms in multi-storey buildings has fan drawing in outside air and mixing it with recirculating air through heat exchanger depending on fan pressure
12/04/2002EP1261901A1 Housing for hvac control unit
12/04/2002CN2524156Y Work status indicator for air conditioners
12/04/2002CN1382946A Radio controller and air conditioning unit
12/04/2002CN1382945A 空调机 Air conditioners
12/03/2002US6488081 Method for controlling a heating ventilating and air conditioning unit
11/2002
11/28/2002WO2002095300A1 Flow-measuring apparatus in air venting and conditioning systems
11/28/2002WO2002095299A1 Method for rewriting control program of refrigeration system
11/28/2002WO2002095297A2 Air conditioner humidifier
11/27/2002EP1260005A1 Switch cabinet or cover with an air-conditioning unit
11/27/2002EP1260001A1 Switchgear cabinet air conditioning device
11/27/2002EP1259767A1 System and method for controlling an hvac system using a flash mini-card
11/27/2002EP1259766A1 Electronically regulated self-controlled ventilation unit
11/27/2002CN2522776Y Polar-less connection circuit of multi-on-line coditioner communication network
11/26/2002US6485231 Foundation flood gate with ventilation
11/21/2002WO2002093276A1 Method and system for evaluating the efficiency of an air conditioning apparatus
11/21/2002WO2002093080A1 Air-conditioning system
11/21/2002US20020173929 Method and system for evaluating the efficiency of an air conditioning apparatus
11/21/2002US20020171379 Networkable power controller
11/21/2002CA2467941A1 Method and system for evaluating the efficiency of an air conditioning apparatus
11/20/2002EP1258689A2 Air conditioning device with remote controller
11/20/2002EP1258688A1 System and method for switching-over between heating and cooling modes
11/20/2002CN2521540Y Controller for frequency conversion one main air conditioner with multi-auxiliary machines
11/20/2002CN1380963A Control system of degree of superheat of air conditioner and ocntrol method thereof
11/20/2002CN1380962A Outdoor fan control sysem of air conditioner and control method thereof
11/20/2002CN1380961A Air condtiioner control system and control method thereof
11/20/2002CN1380960A Control system for starting of air conditioner and control method thereof
11/20/2002CN1380959A System for controlling starting of air conditioner and control method thereof
11/20/2002CN1380522A Integrated ice cold-storing machine unit
11/20/2002CN1380521A Ice channel for storing cold and heat exchanger integrated equipment
11/20/2002CN1094605C Process for regulating room temp. by using air conditioning apparatus with ventilator switched step-by-step
11/19/2002US6481635 Environmental control method
11/19/2002US6481230 Vehicle battery cooling apparatus
11/19/2002CA2280118C Wall-mounted microwave oven and method for controlling hood motor therefor
11/14/2002US20020166659 System and method for switching-over between heating and cooling modes
11/13/2002EP1056922A4 A screen assembly
11/13/2002EP1025474B1 Environmental condition control and energy-management system and method
11/13/2002CN1379300A Remote monitoring system of equipment in shop
11/13/2002CN1379216A 空调系统 Air conditioning systems
11/12/2002US6478084 Energy saving thermostat with a variable deadband
11/07/2002US20020163954 Temperature sensor device for use in a clean room
11/07/2002US20020163431 In-store equipment remote monitoring system
11/07/2002US20020162589 Fluid control device with reduced sound generation
11/07/2002US20020162341 Controlling method of absorption refrigerator
11/06/2002EP0834708B1 Multi-type air-conditioner
11/06/2002CN1378063A Absorptive freezer control method
11/05/2002US6477439 Method of programming and executing object-oriented state machine logic in a controller
11/05/2002US6475078 Air ventilating device
11/05/2002US6474559 Room grating control
11/05/2002US6474086 Air conditioner having functions of fire preventing, smoke exhausting and water spraying
11/05/2002US6474084 Method and apparatus for energy recovery in an environmental control system
10/2002
10/31/2002DE10118224C1 Ventilation fan regulation method, for obtaining volumetric air flow for room ventilation device, uses control device with control voltage for regulating revs using characteristic defining dependency between revs and volumetric flow
10/30/2002EP1253385A2 Wireless remote controller, wireless remote control method, and air conditioner using the same
10/30/2002CN2519181Y Switching substitute system of industrial air conditioner
10/30/2002CN2519180Y Musical sound controller for misical air conditioner
10/30/2002CN2519179Y Double-unit switching device for central control air conditioner
10/30/2002CN1376883A Electricity-saving operation method for inverted air conditioners
10/30/2002CN1376882A Method for controlling air conditioner with multiple compressors
10/30/2002CN1376881A Air conditioner supplying natural wind
10/30/2002CN1376877A 空调机 Air conditioners
10/29/2002US6473668 Intelligent minienvironment
10/29/2002US6471136 Biosensors for monitoring air conditioning and refrigeration processes
10/29/2002US6470837 Method for servicing and maintaining heat supply equipment
10/29/2002US6470696 Devices and methods for sensing condensation conditions and for removing condensation from surfaces
10/24/2002US20020154057 Monitoring center and service system of air conditioner
10/24/2002US20020154026 Wireless remote controller, wireless remote control method, and air conditioner using the same
10/23/2002EP1250559A1 Exhaust gas heat exchanger
10/23/2002CN2518016Y Corrent loop communicating circuit of frequency converting air conditioner
10/23/2002CN1375666A 空气调节机 Air conditioner
10/23/2002CN1375665A Intelligent power saving system for central air conditioner
10/23/2002CN1375660A 室内空气质量控制 Indoor air quality control
10/23/2002CN1093243C Temperature control device of heating or cooling apparatus
10/22/2002US6467696 Environmental control system
10/22/2002US6467695 Environmental control system and method for storage buildings
10/22/2002US6467694 Fail-safe structure cooling system
10/22/2002US6467537 Advanced starting control for multiple zone system
10/17/2002US20020148959 Travelling field for packaging ion beams
10/17/2002DE10060797C1 Control of a building passive heating/cooling system matches the interior temperature to external temperature levels, to switch the system on and off without peaks
10/16/2002EP1248950A2 Biosensors for monitoring air conditioning and refrigeration processes
10/16/2002CN2516866Y Ruglating display window on indoor unit of air conditioner
10/16/2002CN1374488A Air condtioning machine
10/16/2002CN1374487A Air conditioner