Patents for F24F 11 - Control or safety systems or apparatus (29,222)
07/1987
07/21/1987US4680940 Adaptive defrost control and method
07/14/1987US4679411 Stepped capacity constant volume building air conditioning system
07/09/1987DE3600268A1 Modular device for regulating air quality and saving energy
07/07/1987US4678005 Flow regulator
07/01/1987CN86106354A Ventilator for refrigerator
06/1987
06/30/1987US4676073 Cooling apparatus
06/23/1987US4674680 Valve device for the automatic control of an air intake dependent on varying humidity
06/23/1987US4674531 Flow regulator
06/23/1987US4674291 Decentralization type control apparatus for an air-conditioning or a refrigerating apparatus
06/16/1987US4673028 Automatic thermostatic control system for heater and evaporative cooler
06/16/1987US4672816 Cooling system with device for preventing a bad odor from circulating
06/16/1987EP0225356A1 Air turbine.
06/09/1987US4671458 Air conditioning apparatus
06/04/1987DE3542389A1 Air passage
06/02/1987CA1222409A1 Device for simultaneous control of air flow and circulation speed for an air conditioning installation with variable air flow
05/1987
05/26/1987US4668854 Humidification system
05/26/1987CA1222300A1 Computer controlled constant concentration and size particulate aerosol generation system
05/20/1987EP0222340A2 Method of air-conditioning and system for the same
05/14/1987DE3540264A1 High-pressure flap for room ventilation installations
05/13/1987CN86107091A 空气调节方法 Air conditioning method
05/12/1987US4663942 Air conditioner
05/07/1987DE3538737A1 Method and device for monitoring the function of an adjusting element
05/05/1987US4662269 Selective zone isolation for HVAC system
05/05/1987CA1221436A1 Economizer control apparatus
04/1987
04/28/1987US4660759 Optimum start/stop dependent upon both space temperature and outdoor air temperature
04/28/1987US4660386 Diagnostic system for detecting faulty sensors in liquid chiller air conditioning system
04/22/1987EP0219324A2 Air distribution mechanism for an automotive air conditioning system
04/22/1987EP0219067A2 Air conditioning method
04/21/1987US4659009 Environmental control system with humidity control and method
04/14/1987US4656835 Demand limit control by integral reset of thermostats
04/09/1987WO1987002120A1 Constant air flow rate valve, and procedure for controlling a constant air flow rate valve
04/08/1987EP0217558A2 Diagnostic system for detecting faulty sensors in a refrigeration system
04/07/1987US4655279 Temperature control system with programmed dead-band ramp and drift features
04/07/1987CA1220069A1 Thermally actuated diffuser
04/01/1987EP0216547A2 Diagnostic system for detecting faulty sensors in liquid chiller air conditioning system
03/1987
03/31/1987US4653280 Diagnostic system for detecting faulty sensors in a refrigeration system
03/25/1987EP0215097A1 A device for changing the temperature of a room.
03/24/1987US4651812 Control apparatus for vehicle air conditioning system
03/17/1987US4649710 Method of operating an air conditioner
03/17/1987US4649709 Temperature control method and apparatus for air conditioner
03/17/1987CA1219164A2 Method and apparatus for the control of smoke and fire in buildings
03/10/1987US4648552 Control installation for variable volume air diffusers
03/10/1987US4648551 Adaptive blower motor controller
03/03/1987USH229 Environmental test chamber
03/03/1987US4646964 Temperature control system
03/03/1987CA1218729A1 Adjustable temperature sensitive duty cycling furnace and air conditioner control switch
02/1987
02/26/1987DE3528957A1 Warning system for monitoring a ventilation system for buildings, particularly stables, for intensive animal husbandry
02/25/1987CN86104721A Wind-direction deflection device for air conditioner
02/24/1987US4645908 Residential heating, cooling and energy management system
02/24/1987US4644756 Multi-room type air conditioner
02/24/1987CA1218438A1 Temperature control system
02/18/1987CN86105455A Air conditioning equipment
02/17/1987US4643353 Air conditioning control system with enhanced operating range
02/10/1987US4642441 Portable fan for winter and summer use
02/04/1987EP0210243A1 Air temperature control device for a vehicle.
02/03/1987US4640183 Air conditioner
01/1987
01/27/1987US4638671 Checker for air conditioner
01/27/1987CA1217259A1 Zone condition controller and method of using same
01/22/1987DE3524851A1 Biological ventilation of rooms
01/20/1987US4637546 Pneumatic differential pressure controller
01/20/1987US4637428 Fluid flow control valves
01/20/1987US4637296 Air flow controlling apparatus
01/14/1987EP0208179A1 Automatic valve for regulating the amount of air withrawn from a room by forced ventilation
01/13/1987US4635445 Air-conditioner
01/06/1987US4634047 Thermostatically adjustable pressure regulator
01/06/1987US4633900 Constant airflow control apparatus for air conditioning
12/1986
12/30/1986US4632177 Clock operated thermostat having automatic changeover and optimum start
12/30/1986EP0206165A1 Clock thermostat
12/30/1986CA1216045A1 Monitoring and control for evaporator
12/23/1986US4630670 Variable volume multizone system
12/23/1986CA1215607A1 Fluid flow control valves
12/18/1986WO1986007411A1 Air turbine
12/17/1986EP0201439A1 Device for ventilating a room, with automatic variation of the flow of air extracted from the kitchen
12/17/1986EP0146574B1 Procedure and means for making the effect of gravity the same in flow regulators independent of the installation mode
12/16/1986US4630221 Zone condition controller and method of using same
12/10/1986EP0204521A2 A heating and/or cooling system
12/10/1986EP0203916A1 Method for the control of air-conditioning as well as equipment for carrying out the method
12/09/1986US4627569 Four function pneumatic controller
12/09/1986US4627568 Moisture eliminator for air washer
12/09/1986CA1215176A1 Ventilation system monitor
11/1986
11/26/1986EP0202787A2 Temperature control system
11/25/1986US4624176 Air vent with floating closure
11/25/1986CA1214531A1 Humidity comfort offset circuit
11/18/1986US4622827 Control apparatus for an air conditioner
11/12/1986CA1213957A Single zone hvac controlled for operation in multiple zone arrangement
11/11/1986US4621528 Monitor apparatus and method of determining appliance size
11/05/1986CN85103572A Tempt. control method and divice for air conditioner
11/04/1986US4620668 Adaptive control system
10/1986
10/28/1986CA1213336A1 Variable air volume system control
10/22/1986CN86101275A Clock operated thermostat having automatic changeover and optimum start
10/15/1986CN86102647A Check valve
10/14/1986US4616777 Air-conditioning system
10/14/1986US4616485 Temperature controller for an air conditioning apparatus
10/07/1986US4616325 Zone condition controller and method of using same
10/07/1986US4615481 Air conditioner
10/07/1986US4615380 Adaptive clock thermostat means for controlling over and undershoot
10/01/1986EP0196069A2 Clock operated thermostat
10/01/1986EP0196068A2 Temperature control system
09/1986
09/25/1986WO1986005572A1 A device for changing the temperature of a room
09/24/1986CN86102103A Control system of flow direction used in blinds on air exhaust