Patents for F24F 11 - Control or safety systems or apparatus (29,222)
09/1998
09/08/1998US5802862 Method and apparatus for latent heat extraction with cooling coil freeze protection and complete recovery of heat of rejection in Dx systems
09/02/1998EP0861404A1 Fluid control device with reduced sound generation
09/01/1998US5799867 Engine-driven heat pump apparatus and method for stable operation of heat pump
08/1998
08/27/1998DE19706663A1 Vehicle air conditioning control method
08/26/1998CN1191293A Intelligent fuzzy logic controlling method for air conditioner
08/26/1998CN1191292A Air conditioner
08/26/1998CN1191291A 空调系统 Air-conditioning system
08/25/1998US5798945 Apparatus for building environmental reporting and control
08/25/1998US5797717 Air conditioning control unit
08/25/1998CA2123727C Temperature control system having central control for thermostats
08/19/1998CN1190720A Composite type air conditioner with cooling and warming operation
08/19/1998CN1190719A Integral air conditioner
08/13/1998WO1998035189A1 Multiple room type air conditioning apparatus
08/12/1998EP0857921A1 Controller of air conditioner
08/11/1998US5791983 Method of controlling the discharge of pollutant in a designated space
08/11/1998US5791408 Air handling unit including control system that prevents outside air from entering the unit through an exhaust air damper
08/11/1998US5791155 System for monitoring expansion valve
08/05/1998EP0856708A2 Ventilation for a building
08/05/1998EP0805958B1 Flow sensor
08/04/1998US5788570 Wind direction control apparatus and method for an air conditioner
08/04/1998US5788569 Method and apparatus for deodorizing the interior of a room air conditioner
08/04/1998US5787717 Suction inlet/discharge outlet opening and closing apparatus for an air conditioner and method therefor
07/1998
07/29/1998CN1189212A Multi-type air-conditioner
07/29/1998CN1188877A Oil bottle swtich for starting the use of oily fume exhauster and aeration fan to remove fume and antifouling
07/29/1998CN1188876A Oil spoon switch for starting the use of oily fume exhauster and aeration fan to remove fume and antifouling
07/28/1998US5787027 Memory to store values of control parameters used by a programmed processor
07/28/1998US5786525 Method and apparatus for balancing an air distribution system
07/28/1998US5784894 Integral bypass valves and air cycle machine
07/23/1998DE19710404C1 Method of adjusting air ducting system to specified outlet flow rate
07/23/1998DE19701667A1 Room air conditioning appliance of compact type with conventional evaporator
07/16/1998WO1998030085A1 Cattle shed ventilation system with air intake valves, and such valves for such systems
07/16/1998DE19700964A1 Arrangement for air-conditioning of living rooms and buildings
07/16/1998DE19700762A1 Room thermostat for heating- or air-conditioning system
07/15/1998EP0853266A2 Process-chamber flow control system
07/15/1998EP0575533B1 Process-chamber flow control system
07/15/1998EP0575523B1 Flow regulator adaptable for use with exhaust from a process chamber
07/14/1998US5779538 Method and device for adjusting the ventilation of premises
07/14/1998US5778683 Thermal storage system controller and method
07/14/1998CA2133519C Configurative control for hvac systems
07/14/1998CA2133517C Error detection for hvac systems
07/14/1998CA2133515C Compressor protection display
07/09/1998DE19700071A1 Floor-mounted swirling air outlet with regulatable electric booster heater for room air conditioning
07/08/1998CN1186931A Air conditioner control apparatus and method therefor
07/07/1998US5778147 Dew preventing device for air conditioners
07/07/1998US5777897 For controlling the temperature within an electrical device
07/07/1998US5775989 Methods of and apparatus for adjusting air flow control louver
07/07/1998US5775116 Defrosting control method for air conditioner
07/02/1998WO1998028577A1 Domestic apparatus for detecting and expulsing gas
07/02/1998DE19654542A1 Air conditioning system
07/02/1998DE19653945A1 Air-flow distribution box for volumetric air-flow regulation of air-conditioning system
07/01/1998EP0851179A2 Air conditioning device
07/01/1998CN1186205A Method for compensating dead time of compressor in air conditioner
06/1998
06/30/1998US5773730 Method and apparatus for sampling room-air conditions for HVAC control
06/30/1998US5772501 Indoor environmental conditioning system and method for controlling the circulation of non-conditioned air
06/30/1998US5771705 Operating method for air conditioner
06/30/1998US5771704 Operation control apparatus for air conditioner
06/30/1998US5771699 Three coil electric heat pump
06/30/1998CA2145654C Remote region vacuum regulator
06/25/1998WO1998027389A1 Integral bypass valves and air cycle machine
06/25/1998CA2272398A1 Integral bypass valves and air cycle machine
06/24/1998EP0848798A1 A method and arrangement for adjusting an air-conditioning system
06/24/1998CN1185574A Temp. control device adopting fuzzy inference for electric refrigerator and method thereof
06/24/1998CN1185567A Defrosting operation regulating device for air conditioner and method thereof
06/24/1998CN1038873C Intelligent control device and method for household air conditioner
06/23/1998US5769707 Method and apparatus for broadening an air discharge pattern from a room air conditioner
06/23/1998US5769315 Pressure dependent variable air volume control strategy
06/23/1998US5769313 Method for controlling a heating of a heater based on a room temperature in a heating-type humidifier
06/23/1998CA2119704C Thermally controlled diffusers
06/20/1998CA2224963A1 Wireless thermostat
06/17/1998EP0848311A1 Actuating device
06/17/1998EP0848215A2 Remote monitoring system of cooling apparatus
06/17/1998CN1184921A 空调机 Air conditioning
06/16/1998US5768121 Adaptive flow controller for use with a flow control system
06/16/1998US5765752 Airless atomizing nozzle and system for humidity control
06/16/1998US5765743 For accommodating electronic equipment
06/16/1998US5765636 Air circulation controller with short-cycle prevention capability
06/16/1998US5765383 Automobile air-conditioner having improved control characteristics
06/10/1998DE19728579C1 Air conditioning unit for motor vehicle
06/09/1998US5764011 Air conditioner
06/09/1998US5762420 Damper actuator controller having an enthalpy sensor input
06/09/1998US5762265 Air-conditioning control unit
06/04/1998WO1998023904A1 Space ventilating method and apparatus
06/04/1998WO1998023484A1 System and meth0d for automatically controlling cabin air temperature in an aircraft
06/02/1998US5759487 Method and apparatus for sterilizing and collecting dust in an air conditioner
06/02/1998CA2010758C Temperature and humidity auctioneering control
05/1998
05/28/1998DE19648980A1 Heated flooring system especially suitable for living area renovations
05/27/1998CN1182859A Safety device for air conditioner
05/27/1998CN1182857A Method and device for cooling rooms
05/26/1998US5755283 Combined thermostat and selector valve arrangement for gas driven heat pump systems
05/26/1998US5755105 Air conditioning system fluid level controller
05/20/1998DE19647823A1 Smoke and heat eduction control and monitoring apparatus
05/20/1998CN2282151Y Blower coiler device with constant flow device
05/20/1998CN2281644Y Automatic controller for harmful gas and temperature in livestock house
05/20/1998CN1182189A Thermal detector device for air conditioner
05/13/1998EP0793822B1 Process for regulating room temperature by using an air conditioning apparatus with a ventilator switched step-by-step
05/13/1998CN1181486A Apparatus for controlling flow of discharged air in air conditioner, and method therefor
05/13/1998CN1181485A Operation method of air conditioning system and air conditioning appts.
05/13/1998CN1181484A Air conditioner
05/12/1998US5751916 Building management system having set offset value learning and set bias value determining system for controlling thermal environment
05/12/1998US5751572 HVAC communication network