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)
11/1999
11/11/1999WO1999057491A1 Air conditioning method and device
11/11/1999DE19822806A1 Ventilation system for animal housing
11/09/1999US5979167 Central air conditioning system
11/04/1999WO1999056262A1 Control system for building automation controlled by human physiological signals
11/03/1999CN2347097Y Outdoor controller of air conditioner
11/03/1999CN1233728A Controller for air conditioner
11/02/1999US5976010 Energy efficient air quality maintenance system and method
11/02/1999US5974813 Multi-inverter type air conditioner and test method thereof
11/02/1999CA2205290C Thermostat with rotary dial program setting
11/02/1999CA2055147C Method and apparatus for determining the uncovered size of an opening adapted to be covered by multiple moveable doors
10/1999
10/27/1999EP0952408A2 Air conditioner
10/27/1999CN2345888Y No-valve type fan coil pipe temp. controller
10/27/1999CN1233320A Air conditioner
10/27/1999CN1232946A Method for setting temperature in air conditioner
10/27/1999CN1232943A Multi-type air conditioner
10/27/1999CN1046067C Motor drive unit and method for controlling the motor drive unit
10/26/1999US5973662 Analog spectrum display for environmental control
10/26/1999US5971846 Discharged air current control apparatus of air conditioner and method thereof
10/26/1999US5971067 Air quality control system
10/26/1999US5970727 Refrigerating cycle apparatus
10/26/1999US5970723 Heating and cooling unit
10/21/1999DE19815949A1 Ventilation unit for windowless rooms, toilets and baths
10/20/1999EP0706630B1 Method and arrangement for controlling heat transfer in ventilation apparatus or air conditioning apparatus
10/20/1999CN2344695Y Air conditioner telecontroller
10/20/1999CN1232155A Air conditioner
10/19/1999US5967411 Method and apparatus for controlling supplemental heat in a heat pump system
10/14/1999WO1999052022A1 Method and apparatus for giving information in a control system
10/14/1999DE19816166A1 Arrangement for controlling a heating or air conditioning system enables improved adaptation to changing requirements
10/13/1999CN2343518Y Split-window combined air conditioner
10/13/1999CN1231721A Fuzzy logic liquid level control
10/13/1999CN1231403A Microcomputer self-control system for combined type air conditioner
10/13/1999CN1231400A Multiway type air conditioner
10/12/1999US5965814 Electrical circuit controlling device
10/06/1999EP0947784A2 Controller for air conditioner
10/06/1999EP0947783A2 Air conditioner
10/06/1999CN2342295Y Micro computer controller for variable frequency air conditioner system
10/06/1999CN2342294Y Indoor temperature controller for central air conditioner
10/06/1999CN1230666A Air conditioner
09/1999
09/30/1999WO1999049284A1 Method and apparatus for measuring airflows in hvac systems
09/29/1999CN1229899A Air conditioner
09/28/1999US5957771 Aromatic spray driving apparatus of air conditioner
09/28/1999US5957373 Automatic ventilator with manual override
09/28/1999US5956962 Air conditioner
09/28/1999CA2165144C Method and device for customizing the ventilation of air inside an occupied space
09/23/1999WO1999047864A1 Intelligent minienvironment
09/23/1999DE19811511A1 Air conditioning system for multi-room buildings
09/23/1999DE19801508C1 Flush wall mounted box with air humidifier system for use in enclosed rooms
09/22/1999EP0943072A1 Space ventilating method and apparatus
09/22/1999CN1229182A Constant temp. and humidity control system
09/21/1999CA2073136C Pressure gradient control system
09/15/1999EP0941202A1 System and meth0d for automatically controlling cabin air temperature in an aircraft
09/15/1999CN2338667Y Stepless, wind variable and air conditionting type temp. controller
09/15/1999CN1228521A Domestic air conditioner for child
09/14/1999US5951394 For controlling an airflow device
09/14/1999US5950709 Temperature control with stored multiple configuration programs
09/09/1999DE19809916A1 Control gear with drive motor for control of temperature valve of motor vehicle's heating and conditioning unit
09/09/1999DE19807889C1 Ventilation air flow regulation method for factory floor e.g. for microelectronics manufacture.
09/09/1999CA2265067A1 Module-controlled building drying system and process
09/09/1999CA2224751A1 Self-actuating hot air register deflector and cover
09/08/1999EP0940639A1 Device to set the position of the movable part of a ventilator
09/08/1999EP0940001A1 Power conversion apparatus and air conditioner using the same
09/08/1999CN1227906A Air conditioner
09/07/1999US5947814 Garage CO venting system
09/07/1999US5947371 Operation control apparatus of an air conditioner and a method thereof
09/07/1999CA2145651C System for controlling flow through a process region
09/02/1999DE19808225A1 Fan regulating process for vehicle heater or air conditioner
09/02/1999DE19806771A1 Regulation arrangement, especially of temperature and/or pressure
09/01/1999EP0939285A2 Air conditioner with improved valve controller and valve control method therefor
09/01/1999CN2336254Y Fuzzy logic inference temp. controller for air conditioner
09/01/1999CN1227335A Multi-room type air conditioner
09/01/1999CN1227333A Air conditioner
08/1999
08/31/1999US5944445 Device and method for relieving flooding from enclosed space
08/31/1999US5944098 Zone control for HVAC system
08/31/1999CA2145944C Electronic thermostat having high and low voltage control capability
08/26/1999WO1999042694A1 A screen assembly
08/26/1999DE19807043A1 Heat-retaining component for buildings or rooms with limit walls
08/26/1999CA2322049A1 A screen assembly
08/25/1999CN2335079Y Automatic exhausting fan with sound-light alarm function
08/25/1999CN1226668A Refrigerant leakage warning device for apparatus having refrigeration cycle using flammable refrigerant
08/25/1999CN1226664A Controller of air conditioner
08/25/1999CN1226663A Air conditioner having power cost calculating function
08/19/1999WO1999041553A1 Hygrometer for humidity and ventilation control
08/18/1999EP0936417A2 Refrigerant leakage warning device
08/18/1999CN2333951Y Stepless speed regulator for air conditioner set on passenger car
08/17/1999US5938984 Temperature regulating method of a humidifier according to a surrounding temperature
08/17/1999US5937942 Electronic programmable thermostat with temporary reset
08/12/1999DE19818627A1 Climatic chamber control permitting high humidity whilst avoiding disturbing effects of condensation onto heat exchanger
08/12/1999DE19804036A1 Sensor system for detection of climatic measurement data in buildings e.g. for heating
08/12/1999DE19753751A1 Air-conditioning apparatus storing ice
08/11/1999EP0935104A1 Air conditioner
08/11/1999EP0752085B1 Indoor air quality sensor and method
08/10/1999US5934644 Setting device for a ventilation flap
08/10/1999US5934368 Air-cooled electronic apparatus with condensation prevention
08/10/1999US5934084 Air conditioner having a method and apparatus for performing a dry operation to remove humidity during a cooling mode
08/05/1999WO1998004872A8 A method for measuring ventilation in rooms with tracer gas technique
08/04/1999EP0933598A2 An apparatus for controlling an air conditioner
08/04/1999CN2331900Y Variable frequency energy-saving controller for water pump of air conditioner
08/04/1999CN2331899Y Inserted air conditioner pressing switch
08/04/1999CN1224824A Sensor assembly and device and method for controlling air current of air conditioner
08/04/1999CN1224823A Room temperature control apparatus having feedforward and feedback control and method
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