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)
08/1999
08/03/1999US5933085 Electronic lock system
08/03/1999US5931376 Device for air-conditioning control in an air-conditioned room having textile machines
08/03/1999US5931009 Defrosting apparatus of air conditioner and method thereof
08/03/1999US5931006 Vehicle air conditioning unit with an air-conditioning function depending on the external dew point
08/03/1999CA2187777C Indoor air quality sensor and method
07/1999
07/29/1999WO1999037956A1 Method at ventilation systems and arrangement for distributing air to room units
07/28/1999EP0931989A2 Method and apparatus for controlling supplemental heat in a heat pump system
07/28/1999EP0931236A1 Method for speed control of compressor and control arrangement using the method
07/28/1999CN2330923Y Central air conditioning superthin microcomputer two-in-one indoor temperature-controller
07/28/1999CN1224144A Method and apparatus for controlling supplemental heat in heat pump system
07/28/1999CN1224139A Apparatus and method for room temp. control with feedforward and feedback control
07/27/1999US5927599 Wireless air conditioning control system
07/27/1999US5927398 Device identification system for HVAC communication network
07/22/1999WO1999036844A1 Hvac fan-powered terminal unit having preset fan cfm
07/22/1999DE19802045A1 Temperature detector for passing medium in heating or air conditioning system in motor vehicle
07/21/1999CN1223728A Variable speed control of a centrifugal chiller using fuzzy logic
07/21/1999CN1223362A Dehumidifying apparatus of air conditioner and control method thereof
07/21/1999CN1223361A Methods and apparatus for controlling air inlet closure of air conditioner
07/20/1999US5924922 Method and apparatus for ceiling ventilation
07/20/1999US5924486 Environmental condition control and energy management system and method
07/14/1999CN1222662A Air conditioner control method and apparatus of same
07/13/1999US5921862 Air flow reversal prevention door assembly
07/13/1999US5921099 Air conditioner temperature control apparatus
07/13/1999US5921094 Methods and apparatus for sensing an excessive amount of collected condensed water in an air conditioner
07/08/1999WO1999034152A1 Indoor-outdoor communication device in air conditioner
07/08/1999WO1999034151A1 Air-conditioning control information display method and air-conditioning controller
07/06/1999US5918804 Method and apparatus for preventing ultrasonic vibrator from being damaged
07/06/1999CA2172561C Air conditioning control unit
06/1999
06/30/1999EP0926579A1 Variable air volume control system
06/30/1999CN1221501A Thermal confort controller
06/30/1999CN1221095A Air conditioner having method and apparatus for performing dry operation to remove humidity during cooling mode
06/29/1999US5915473 Integrated humidity and temperature controller
06/24/1999WO1999031442A1 Air pressure stabiliser
06/23/1999EP0924479A2 Air conditioner control method and apparatus of the same
06/23/1999EP0787273B1 Device and method for air conditioning control in an air-conditioned room containing textile machines
06/23/1999CN2325698Y Variable frequency air flow adjusting device
06/23/1999CN1043820C Equipment for controlling of temp
06/22/1999US5913890 Air current control apparatus for air conditioner and methods
06/19/1999CA2252489A1 Domestic apparatus for detecting and expulsing gas
06/17/1999DE19754820A1 Air-conditioning or ventilating device
06/16/1999CN1219671A Operation control apparatus of air conditioner and method thereof
06/16/1999CN1219670A Heating control apparatus of air conditioner and method thereof
06/15/1999US5912184 Environmentally enhanced enclosure for managing CMP contamination
06/15/1999US5911751 Intergrated air conditioner
06/15/1999US5911747 In an environmental control system coupled to a controlled space
06/15/1999CA2159790C Control of prime mover in hvac distribution system
06/10/1999WO1999028683A1 Air conditioner
06/10/1999WO1999028682A1 Device for fixing temperature-sensing element for air conditioner and method of assembling the same
06/10/1999DE19852821A1 Controlled room ventilation valve
06/10/1999DE19816709A1 Control system for building ventilation systems
06/09/1999CN2323300Y Automatic ventilating fan
06/09/1999CN1219251A Home and building automation system
06/09/1999CN1218895A Method for controlling fan speed of evaporator of air conditioner
06/09/1999CN1218894A Operation controller and its method for air conditioner
06/09/1999CN1218893A Multiway conversion air conditioner and its testing method
06/08/1999US5910158 Fuzzy control apparatus and method of branched refrigerant flow and fuel combustion in multi absorption type heat pump
06/02/1999EP0776447A4 Air flow control for pressurized room facility
06/02/1999DE19750236A1 Air conditioning system for building
06/02/1999CN2322072Y Temp. controlling assembly for air conditioner
06/01/1999US5909378 Control apparatus and method for maximizing energy saving in operation of HVAC equipment and the like
06/01/1999US5907956 Air conditioning system
05/1999
05/27/1999WO1999026310A1 Wireless signal distribution in a building hvac system
05/27/1999DE19752019A1 Ventilator fitted into door or window region of building wall
05/26/1999EP0917677A1 Ventilation controlling apparatus
05/26/1999EP0917635A1 A method for measuring ventilation in rooms with tracer gas technique
05/25/1999US5906315 Watchdog timer for controlling a cooling system
05/25/1999US5906107 Air conditioner and control method of the same
05/25/1999CA2159765C Global control of hvac distribution system
05/20/1999DE19750477A1 Air humidity regulating process
05/19/1999CN2319740Y Cut-off self-starting device of air conditioner
05/19/1999CN2319739Y Frequency converting air conditioner
05/19/1999CN1216813A Air conditioner
05/18/1999US5904048 Method and apparatus for using D.C. power to open and close an air outlet of an air conditioner
05/18/1999US5904047 Air conditioner control apparatus and method therefor
05/12/1999EP0915301A2 Room temperature control apparatus having feedforward and feedback control and method
05/12/1999EP0915300A2 Room pressure control apparatus having feedforward and feedback control and method
05/11/1999US5902183 Process and apparatus for energy conservation in buildings using a computer controlled ventilation system
05/11/1999US5902095 Quick check fan speed indicator
05/11/1999US5901905 Method and apparatus for controlling an operation of a humidifier
05/06/1999WO1999022284A1 Environmental condition control and energy-management system and method
05/06/1999WO1999022182A1 Dehumidifying air-conditioning system and method of operating the same
05/05/1999CN1216096A Multiple room type air conditioning apparatus
05/05/1999CN1215824A Air conditioner
05/04/1999US5899807 Discharge current control apparatus of air conditioner and method thereof
05/04/1999US5899080 Air conditioning method and system
04/1999
04/27/1999US5898361 Serial data communication device of air conditioner
04/21/1999EP0909927A2 Control system of air conditioner and method of producing control system thereof
04/21/1999EP0909926A1 Double flow ventilation system
04/21/1999CN2315476Y Micro computer controller for fan coiler
04/21/1999CN2315475Y Driving system for non-independent air conditioner of automobile
04/21/1999CN2315474Y Remote controller capable of locking panel key of air conditioner
04/21/1999CN1214436A Air conditioner and refrigerant heater outlet temperature control method
04/21/1999CN1214435A Controller for air conditioner
04/14/1999EP0908684A2 Remote control unit
04/14/1999EP0908337A2 Air conditioner for automobiles having multiple operating states
04/14/1999EP0907910A1 Variable speed control of a centrifugal chiller using fuzzy logic
04/14/1999CN1213761A Man detecting decision method and air conditioner
04/13/1999CA2159774C Hvac distribution system identification
04/08/1999DE19743828A1 Procedure for operating air-conditioning plant for car
04/07/1999EP0906547A1 Fail-safe networked control system for ventilation units
1 ... 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 ... 293