Patents for G05D 23 - Control of temperature (28,546)
04/1984
04/24/1984US4444017 Method and apparatus for controlling the operation of a compressor crankcase heater
04/18/1984EP0105410A1 Current circuit monitoring
04/17/1984US4443690 Power control for cooking appliance with transient operating modes
04/17/1984US4443157 Control circuit for a liquid fuel combustion apparatus
04/17/1984US4443120 Remote control temperature sensor with expansible material
04/17/1984US4442972 Electrically controlled programmable digital thermostat and method for regulating the operation of multistage heating and cooling systems
04/17/1984US4442885 Control system for air conditioner of motor vehicle
04/17/1984CA1165566A1 Air conditioning economizer control method and apparatus
04/10/1984US4441652 Exchangeable unit steam trap
04/10/1984US4441651 Ventilating system for a poultry or livestock confinement building
04/10/1984US4441545 Air conditioning thermostatic control system having modular inclusion of remote temperature set-back capability
04/10/1984US4441405 Solar radiation heat influx sensor for an automotive vehicle
04/10/1984US4441329 Temperature control system
04/10/1984US4441327 Temperature actuated valve and phase separation method
04/10/1984US4441317 Piston and cylinder type thermal device part therefor and methods of making the same
04/10/1984CA1165424A1 Multistage thermostat using integral initiation change means
04/04/1984EP0104979A1 Electrical storage heater with progressive power feed
04/04/1984EP0104872A2 Air conditioning and compressor control system
04/04/1984EP0104362A1 Control method for heating a hot water tank or for the heating of at least one room
04/04/1984EP0104361A1 Rapid reheating control method
04/04/1984EP0104209A1 Central heating circulation pump for alternating current and system comprising such a pump.
04/03/1984US4441016 Electric rice cooker
04/03/1984US4440509 Detection of hot and cold spots in chemical reactors
04/03/1984US4439998 Apparatus and method of controlling air temperature of a two-evaporator refrigeration system
04/03/1984US4439997 Energy management system for multi stage refrigeration systems
04/03/1984CA1164970A1 Microprocessor discharge temperature air controller for multi-stage heating and/or cooling apparatus and outdoor air usage controller
03/1984
03/28/1984EP0103859A2 Control process for the temperature of the forward or backward flow of a heating plant, fed by a heat source
03/27/1984US4439666 Electrical heating system
03/27/1984US4438881 Solar assisted heat pump heating system
03/27/1984US4438598 Surface temperature control apparatus
03/27/1984CA1164550A1 Energy saving thermostat
03/27/1984CA1164285A1 Minimum airflow control for individual units of a central air conditioning system
03/20/1984US4438370 Lamp circuit
03/20/1984US4438324 Electric rice cooker
03/20/1984US4437771 Method and apparatus for indirect measurement of thermal energy
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
03/15/1984WO1984001042A1 Process for forming a theoretical value of an adjusting, respectively control device for a heating installation
03/14/1984EP0102397A1 Air conditioning method and apparatus for vehicle
03/13/1984US4437159 Cooking computer
03/13/1984US4436245 In a temperature control apparatus
03/13/1984US4436064 Process and apparatus for determination and utilization of a quantity of preheating energy
03/13/1984CA1163683A1 Temperature control for cooking appliances
03/13/1984CA1163662A1 User programmable control system for toaster oven appliance
03/07/1984EP0102315A2 Circuit arrangement for regulating the working temperature of the heating element of an electric soldering instrument, especially a solder iron
03/06/1984US4434933 Gas flow rate control system
03/06/1984US4434932 Air-conditioner control system for automobiles
03/06/1984US4434746 Control of a system for supplying heat
02/1984
02/28/1984US4433810 Hot water heating system
02/28/1984US4433809 Controller for air conditioning or heating system
02/28/1984US4433719 Portable, remote environmental control system
02/28/1984US4433718 Thermostatically-regulated arrangement for and method of switching power to a heating/cooling system, and methods of installing and retrofitting the arrangement at an electrical outlet box
02/28/1984CA1162981A1 Method and apparatus for power load shedding
02/28/1984CA1162780A1 Fan control for variable air volume terminal unit
02/22/1984EP0101315A2 A method of monitoring the temperature, particularly of a sterile docking cutting means
02/21/1984US4432657 Pyrometer method for measuring slab temperature in a reheat furnace
02/21/1984US4432492 Thermostatic expansion valve with remote adjustment
02/21/1984US4432365 Physiological sensing unit
02/21/1984US4432211 Defrosting apparatus
02/21/1984US4432210 Air conditioning control method
02/16/1984WO1984000624A1 Direct digital control apparatus
02/16/1984WO1984000603A1 Refrigeration system energy controller
02/16/1984WO1984000578A1 Cooling device for an internal combustion engine
02/14/1984US4431906 Electric rice cooker
02/14/1984US4431134 Digital thermostat with protection against power interruption
02/14/1984US4431133 Thermostat mounting assembly
02/14/1984US4431131 Heating arrangements and control systems therefor
02/07/1984US4430698 Three-mode process control
02/07/1984US4430556 Electric liquid heating appliance
02/07/1984US4430553 Cordless flatiron
02/07/1984US4429829 Interactive dual probe temperature control system
02/07/1984CA1161927A1 Electronic condition control system using digital anticipation
02/07/1984CA1161923A1 Programmable electronic thermostat
02/07/1984CA1161922A1 Method and apparatus for controlling the temperature in the refrigerator chamber and freezer compartment of an absorption refrigerator
02/07/1984CA1161894A1 Oven keep-warm electronic module
02/01/1984EP0099417A1 Method to control energy supply or consumption
01/1984
01/31/1984US4429299 Two-way AC power line communications system
01/31/1984US4428528 Environmental thermostat assembly
01/31/1984US4428527 For a fluid system
01/31/1984CA1161531A1 Air conditioning control system with local and remote control capabilities
01/31/1984CA1161523A1 Air conditioning control system with master and tracking controllers
01/24/1984US4426960 Control circuitry for multistage fans
01/24/1984US4426852 Air-conditioning control apparatus for automotive vehicles
01/24/1984US4426850 Heat pump control having an electronic control module with a bypass system
01/18/1984EP0098597A2 Thermostatically controlled mixing valve
01/18/1984EP0098526A2 Temperature regulator with gasiform operating means
01/18/1984EP0098449A2 Control for a heating system
01/17/1984USRE31502 In-line energization and de-energization of an external load in series with an external source of electricity in response to externally sensed parameters
01/17/1984US4426036 Valve construction and method of making the same
01/17/1984US4425930 Fluid flow control apparatus and method
01/17/1984US4425767 Refrigeration control system for modulating electrically-operated expansion valves
01/17/1984CA1160679A1 Stepping motor control
01/11/1984EP0097758A2 Heating circuit for a thermal recording-pen
01/11/1984EP0097677A1 Joining/separating sheet material along edges.
01/10/1984US4425494 Heat roller fixing unit
01/10/1984CA1160192A1 Thermal control element
01/10/1984CA1160191A1 Thermostatic sensor and method to produce the same
01/03/1984US4424437 Hair dryer with remote sensing temperature control
01/03/1984CA1159870A1 Heating apparatus
12/1983
12/27/1983US4423516 Dynamic gradient furnace with controlled heat dissipation