Patents for F24F 11 - Control or safety systems or apparatus (29,222)
02/1994
02/09/1994CN2155519Y 节能空调器 Energy-saving air conditioners
02/09/1994CN1023728C Remote controller
02/08/1994US5284026 Control system for an air conditioning/refrigeration system
02/02/1994CN2154982Y Electronic timer for ultrasonic humidifier
02/01/1994US5282770 Ventilation system
02/01/1994US5282369 Multiple type absorption air conditioning system
02/01/1994CA2051887C Microprocessor controlled climate control device for a plurality of mass transit vehicles
01/1994
01/26/1994EP0580303A1 Evaporator assembly
01/26/1994CN2154430Y Time protector for window air conditioner of household
01/26/1994CN1081244A Method for controlling of air conditioner
01/26/1994CN1081243A Micro-computer controlling apparatus for air conditioner system
01/18/1994US5279458 Network management control
01/11/1994US5277658 Barometric damper apparatus
01/11/1994CA2013972C Air conditioner and a drive apparatus therefor
01/06/1994WO1994000719A1 Ceiling vent with movable vane
01/04/1994US5276630 Of an HVAC system
01/04/1994US5275333 Air conditioning system providing for individual work station control
01/04/1994US5275009 Sensor and control system for an automotive air conditioning system
12/1993
12/29/1993EP0576280A2 Method and apparatus for controlling an air conditioner with a solar cell
12/29/1993EP0575533A1 Process-chamber flow control system
12/29/1993EP0575523A1 Flow regulator adaptable for use with exhaust from a process chamber
12/29/1993CN2151416Y Effective energy-saving air conditioner
12/28/1993US5272885 Air-conditioning apparatus having heat source unit and plural indoor units connected to the heat source unit
12/23/1993WO1993025853A1 Operation control apparatus for air-conditioner
12/22/1993EP0575063A1 Air conditioner
12/22/1993CN2150484Y Fully-automatic testing-controlling instrument for ventilation of granary
12/22/1993CN1079815A An air conditioning apparatus
12/21/1993US5272477 Remote control card and remote control system
12/21/1993US5271556 Integrated furnace control
12/21/1993US5271453 System and method for controlling air conditioner
12/14/1993US5269660 Method and an installation for adjusting the flow rate of air in a network of ducts
12/14/1993CA1325253C Demand defrost control method and apparatus
12/09/1993DE4232278C1 Ventilating and air-conditioning stables - involves gutter-side input aperture and at least one ridge-side output air aperture
12/07/1993US5267897 Method and apparatus for ventilation measurement via carbon dioxide concentration balance
12/07/1993US5267451 Evaporating assembly
12/02/1993DE4317734A1 Room ventilation-control with oscillating membrane - has membrane fixed to offer different resistance to bending dependent on air flow direction
12/02/1993DE4315113A1 Room air-conditioning system with individual heating-cooling blankets - has sensor formed as heatable surface heated with constant power, with temperature detected for determining thermal comfort
12/01/1993EP0572149A1 Multiparameter ECM and control therefore
12/01/1993CN1079043A Controlling apparatus in air conditioner
11/1993
11/30/1993US5265436 Control apparatus for air-conditioners
11/29/1993CA2097165A1 Air conditioner
11/24/1993EP0570596A1 Power feeder of air conditioner
11/24/1993CN2147458Y Remote controlling timing controller for air conditioner
11/23/1993US5263335 Operation controller for air conditioner
11/23/1993US5263333 Multi-type air conditioner system with optimum control for gaseous flow adjustment valve and liquid expansion valve
11/23/1993CA1324489C Heating and cooling systems
11/18/1993EP0570130A2 Air conditioner
11/18/1993DE4216232A1 Electric automatic window opening and closure appts. - controls ventilation of dwelling in response to measurements of interior and exterior air quality involving detection of noxious gases
11/18/1993DE4215459A1 Room ventilation signal evaluation of sensor of e.g. temp., humidity, light, pressure, gas, pH or flow - compares sensor input signals with averaged and fixed DC values, and outputs via OR=gate when either threshold is exceeded.
11/16/1993US5261857 Ceiling vent with movable vane
11/16/1993US5261596 Air quality conditioning system
11/16/1993US5261483 Control system for a fan coil of an air-conditioner
11/16/1993US5261481 Method of determining setback for HVAC system
11/16/1993CA1324256C Method and apparatus for the control of air flows and pressures in air-conditioning
11/11/1993WO1993022602A1 Temperature and humidity control system and control method therefor
11/10/1993CN1078302A Method and apparatus for detection of current in air conditioner
11/09/1993US5259553 Interior atmosphere control system
11/09/1993CA1324021C Method and apparatus for the air conditioning of rooms
11/03/1993EP0568264A2 Air conditioner
11/03/1993CN1078037A Air-conditioning apparatus
11/03/1993CN1078035A Airconditioner
11/02/1993US5257958 Pressure override control for air treatment unit
11/02/1993US5257736 Self-regulating air ventilation apparatus
11/02/1993US5257735 Automatic room environment controller
10/1993
10/27/1993CN2144790Y Speed regulation indicator for fan coil pipe air conditioner
10/26/1993US5255710 Process-chamber flow control system
10/26/1993US5255709 Flow regulator adaptable for use with process-chamber air filter
10/19/1993US5254035 Automatic operation apparatus for ventilating fan
10/19/1993US5253804 Temperature and humidity sensitive high efficiency exhaust ventilator apparatus
10/14/1993WO1993020495A1 Two-way wireless hvac system and thermostat
10/12/1993US5252030 Automatic operation apparatus for ventilating fan
10/12/1993US5251654 Flow regulator adaptable for use with exhaust from a process chamber
10/06/1993EP0564095A2 Method of detecting load current and load current detector
10/06/1993EP0563570A1 Air-conditioning apparatus
10/05/1993US5249596 Residential heating and air conditioning barometric bypass damper
10/04/1993CA2084466A1 Method of detecting load current
09/1993
09/21/1993US5245837 Air-conditioning apparatus wherein a plurality of indoor units are connected to outdoor unit
09/21/1993US5245835 Method and apparatus for interior space conditioning with improved zone control
09/21/1993CA2018602C Dehumidifier
09/16/1993WO1993018356A1 Control system for an air conditioning/refrigeration system
09/16/1993CA2131453A1 Control system for an air conditioning/refrigeration system
09/15/1993EP0559905A1 Device for setting operation mode of air conditioner
09/07/1993US5242325 Control apparatus for air conditioner
09/07/1993US5241833 Air conditioning apparatus
09/07/1993CA2039337C Thermostat interface for a refrigeration system controller
08/1993
08/31/1993US5240177 Container with device preventing dew condensation
08/26/1993DE4238297A1 Air conditioning system with automatic ventilation - has separate motors for conditioning and ventilation with air pollution sensor to activate microcomputer-controlled ventilator motor
08/25/1993CN2141151Y Light-control linked switch
08/25/1993CN1075541A Air-conditioner controller
08/24/1993US5237826 Configuration wiring harness for HVAC controller
08/18/1993CN2140493Y Return valve autoregulator for air conditioner
08/18/1993CN1075361A Power supply device for air conditioning control apparatus
08/17/1993US5236477 Microcomputer-based control device
08/11/1993EP0300015B1 Ventilation control procedure and ventilation control means
08/11/1993CN2140035Y Energy-saving circulating air conditioner
08/10/1993US5234374 Air duct closure system
08/04/1993EP0321515B1 Procedure and means for controlling volumetric flow rate in air-conditioning installations
08/04/1993CN1074996A 空气循环式节能空调器 Energy-saving air conditioner air circulation
07/1993
07/28/1993CN1074747A Automatic chiller stopping squence
07/21/1993EP0552127A1 Automatic chiller stopping sequence