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