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)
04/1984
04/03/1984CA1164970A1 Microprocessor discharge temperature air controller for multi-stage heating and/or cooling apparatus and outdoor air usage controller
03/1984
03/27/1984CA1164550A1 Energy saving thermostat
03/27/1984CA1164286A1 Positive shutoff for individual units of a central air conditioning system
03/27/1984CA1164285A1 Minimum airflow control for individual units of a central air conditioning system
03/20/1984US4437609 For use in a ventilation duct
03/20/1984US4437608 Variable air volume building ventilation system
03/20/1984US4437391 Air condition control apparatus with indoor and outdoor air selection modes for automobiles
03/20/1984CA1164071A1 Method and device for controlling the temperature inside an enclosed space
03/14/1984EP0102397A1 Air conditioning method and apparatus for vehicle
03/06/1984US4434932 Air-conditioner control system for automobiles
02/1984
02/28/1984US4433809 Controller for air conditioning or heating system
02/28/1984CA1162780A1 Fan control for variable air volume terminal unit
02/21/1984US4432210 Air conditioning control method
02/16/1984WO1984000624A1 Direct digital control apparatus
02/08/1984EP0100214A2 Ventilation control
02/07/1984US4429733 Apparatus for controlling blowing mode of a car air-conditioner
02/07/1984US4429709 For maintaining constant rates of air flow in an air conditioning system
02/07/1984US4429541 Apparatus for controlling operation of refrigerator
01/1984
01/31/1984US4428529 Flow synchronization
01/31/1984CA1161523A1 Air conditioning control system with master and tracking controllers
01/24/1984US4427055 Heating and cooling system using ground water
01/24/1984US4426852 Air-conditioning control apparatus for automotive vehicles
01/24/1984CA1161140A1 Control of the atmosphere in an enclosure
01/10/1984US4424933 Vehicle humidity control apparatus for preventing fogging of windows
12/1983
12/27/1983US4423307 Control system for electric automobile heating apparatus
12/27/1983US4422571 Proportional motor drive control
12/27/1983CA1159302A1 Air make-up unit
12/20/1983US4421268 Integrated control system using a microprocessor
12/20/1983US4420947 Heat pump air conditioning system
12/13/1983US4419866 Transport refrigeration system control
12/06/1983US4418743 Electronic circuit for controlling a heating or air-conditioning apparatus in a motor vehicle
11/1983
11/29/1983US4417688 Temperature control system for vehicle passenger compartment
11/29/1983US4417618 Air-conditioner control system for vehicles
11/29/1983CA1157926A1 Clock thermostat with means for reducing the setback temperature
11/29/1983CA1157649A1 Method and apparatus for controlling an air conditioning unit with multi-speed fan and economizer
11/22/1983US4416415 Automatic damper assembly
11/22/1983US4416324 Vehicle temperature control apparatus
11/08/1983US4413776 Reset controller with improved air flow span adjustment
11/08/1983US4413774 Direct drive air register damper
11/08/1983US4413672 Central desk air conditioning control system
11/01/1983US4412649 Arrangement in climatization systems
11/01/1983US4412424 Air conditioning system for preventing fogging of vehicle windows
10/1983
10/26/1983EP0092195A2 Temperature control unit for vehicular air conditioning unit
10/25/1983US4411385 Controller for the operation of heaters
10/18/1983US4409796 Reversible cycle heating and cooling system
10/18/1983CA1155433A1 Method and apparatus for controlling radiant energies
10/13/1983WO1983003462A1 Protection flap device against pressure waves
10/12/1983EP0091006A2 Air conditioning plant
10/11/1983US4408713 Control for automobile air conditioning system
10/05/1983EP0090759A2 Thermostat self-test apparatus
10/05/1983EP0090758A2 Timer speedup for servicing an air conditioning unit with an electronic control
10/05/1983EP0090415A1 Pressure-waves protecting flaps
10/04/1983US4408278 Electric control method for automobile air conditioner
10/04/1983US4407447 Energy control system
10/04/1983US4407446 Control for automobile air conditioning system
10/04/1983US4407139 Method for controlling an air conditioning system
10/04/1983US4407138 Heat pump system defrost control system with override
09/1983
09/29/1983WO1983003229A1 Air conditioning method and apparatus for vehicle
09/27/1983US4406397 Central air conditioning equipment
09/20/1983US4404815 Air conditioning economizer control method and apparatus
09/15/1983WO1983003133A1 Reversible cycle heating and cooling system
09/07/1983EP0087989A1 Volume flow regulator for a ventilating duct
08/1983
08/30/1983US4401260 Self-operated air register damper
08/30/1983US4401149 Method and device for controlling an air conditioning system
08/23/1983US4399864 Controlling room-air temperature and humidity in an air-conditioning system
08/23/1983US4399862 Method and apparatus for proven demand air conditioning control
08/10/1983EP0085428A1 Method and apparatus for the ventilation of rooms
08/10/1983EP0085247A1 A control device for a compressor in a refrigerating system
08/10/1983EP0085246A1 A control circuit for a variable displacement air conditioning compressor
07/1983
07/26/1983US4394958 Air flow and condition responsive damper
07/26/1983US4394957 Sensor control device
07/26/1983CA1150801A1 Method and apparatus for ventilating an occupied space
07/26/1983CA1150798A1 Pneumatic switch control for pneumatic actuator in air conditioning control systems
07/12/1983US4392417 Variable dead band pressure control system
07/05/1983US4391913 Temperature regulating system for the control of temperature in a room
07/05/1983US4391320 Method and an apparatus for air conditioning for vehicles by controlling circulation of inside air and introduction of outside air
06/1983
06/28/1983US4389853 Method and apparatus for controlling an air conditioning unit with multi-speed fan and economizer
06/28/1983CA1149044A1 Microcomputer control for supplemental heating with night-set back
06/21/1983US4388950 Fluid flow control element having movable valve and method
06/14/1983US4388692 Electronically controlled programmable digital thermostat having variable threshold hysteresis with time
06/14/1983CA1148061A1 Fluid flow control means
06/08/1983EP0080838A1 Air conditioning economizer control method and apparatus
06/07/1983US4386733 Air conditioning system
06/07/1983US4386649 Programmable thermostatic control device
06/07/1983US4386502 Humidity-measuring device for use with an air conditioner
06/07/1983CA1147569A1 Two stage control circuit for reversible air cycle heat pump
05/1983
05/31/1983US4385659 Heating and cooling thermostat set points limits set by changeover lever
05/31/1983US4385503 Air conditioning apparatus for vehicle
05/31/1983CA1147440A1 Current monitoring control for electrically powered devices
05/18/1983EP0078972A1 Volumetric flow regulator valve for ventilating systems
05/17/1983US4383641 Electrically-controlled damper
05/17/1983CA1146650A1 Microcomputer based fault detection and indicator control system
05/10/1983CA1146238A1 Climate control for animal barn
05/03/1983US4381850 Automatic air register damper
04/1983
04/26/1983US4381549 Automatic fault diagnostic apparatus for a heat pump air conditioning system
04/26/1983US4381480 Apparatus for controlling a blower motor
04/26/1983US4381074 Air-conditioning method and system for an automotive vehicle
04/12/1983US4379484 Control for a variable air volume temperature conditioning system-outdoor air economizer
04/12/1983CA1144621A2 Multiple load integrated fluid control units
04/05/1983CA1143992A1 Damper for an air distribution system
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