Patents
Sitemap › G05 - Controlling; Regulating › G05D - Systems for controlling or regulating non-electric variables › G05D 23 - Control of temperature
Patents for G05D 23 - Control of temperature (28,546)
06/1983
06/28/1983US4389855 Dual air-conditioner for motor-cars
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
06/28/1983CA1149043A1 Evaporator inlet water temperature control system
06/28/1983CA1149042A1 Combustion system with electronic circuit controls
06/28/1983CA1149023A1 Broadcast system for distribution automation and remote metering
06/21/1983US4389577 Apparatus for power load-shedding with auxiliary commandable thermostat
06/21/1983US4388965 Automatic thermal switch
06/21/1983US4388964 Thermal control system
06/21/1983CA1148517A1 Multiple temperature actuated fluid-electric control device
06/14/1983US4388692 Electronically controlled programmable digital thermostat having variable threshold hysteresis with time
06/14/1983US4388605 Defrost thermostat used in a reversible refrigerating cycle for heat pumps
06/14/1983US4387763 Multistage thermostat using multirate integral action and exponential setpoint change
06/14/1983US4387578 Electronic sensing and display system for a refrigerator
06/09/1983WO1983002007A1 An analytical instrument reactor temperature regulator
06/09/1983WO1983002006A1 An analytical instrument thermoelectric temperature regulator
06/09/1983WO1983001993A1 Electric water heater
06/08/1983EP0080838A1 Air conditioning economizer control method and apparatus
06/08/1983EP0080824A1 Thermostatic assembly
06/07/1983US4386732 Thermally responsive valve assembly
06/07/1983US4386650 Temperature control system
06/07/1983US4386649 Programmable thermostatic control device
06/07/1983US4386584 Thermostatically controlled valve
06/07/1983CA1147784A1 Glass melting furnace with control of scr condution time
06/07/1983CA1147620A1 Dual thermostat control apparatus with dead band response
06/07/1983CA1147569A1 Two stage control circuit for reversible air cycle heat pump
06/01/1983EP0080421A1 Water mixing valve
05/1983
05/31/1983US4385724 Apparatus for controlling the water temperature of a spa
05/31/1983US4385659 Heating and cooling thermostat set points limits set by changeover lever
05/31/1983US4385658 Fluid temperature measuring device
05/31/1983US4385503 Air conditioning apparatus for vehicle
05/31/1983CA1147425A1 Temperature monitor and alarm system
05/25/1983EP0079410A1 Room thermostat device with a day-time programmer
05/25/1983EP0079331A1 Method and apparatus for controlling operation of a thermostatic expansion valve
05/24/1983US4384461 Programmable thermostat
05/24/1983CA1147004A1 Grill with pivotable electric heating resistance for ease of reflector placement
05/24/1983CA1147002A1 Fail-safe thermostatically controlled circuit for use in apparatus for melting and dispensing thermoplastic material
05/18/1983EP0079087A1 Programming device for room heating
05/17/1983US4383641 Electrically-controlled damper
05/17/1983US4383574 Air conditioning system for automotive vehicles having discharge air temperature control function
05/17/1983US4383421 Refrigeration unit comprising compartments at different temperatures
05/10/1983US4383157 Electronic controlled heat cooking apparatus and method of controlling thereof
05/10/1983US4382899 Temperature responsive time delay valve
05/10/1983US4382546 Temperature responsive valve device
05/10/1983US4382545 Bimetal-actuated temperature responsive valve assembly
05/10/1983US4382543 Acoustic control for zone heat control system
05/10/1983US4382463 Air conditioning system for motor truck
05/10/1983CA1146239A1 Programmable electronic real-time load controller providing for adaptation of load, control in response to varying environmental conditions
05/04/1983EP0078135A1 Method of controlling the heating of sheet material in a conveyor furnace
05/03/1983US4381850 Automatic air register damper
04/1983
04/27/1983EP0077621A2 Electrical heating system
04/26/1983US4381549 Automatic fault diagnostic apparatus for a heat pump air conditioning system
04/26/1983US4381480 Apparatus for controlling a blower motor
04/26/1983US4381438 Electric control apparatus for controlling inductive heating
04/26/1983US4381075 Microprocessor based controller for heating system
04/26/1983US4381073 Thermostatically controlled cold and hot water mixer
04/26/1983US4381031 Spa-domestic hot water heat exchanger
04/26/1983CA1145414A1 Heating apparatus with recallable programming timer
04/19/1983US4380698 Multiprocessor control bus
04/19/1983US4380317 Furnace control
04/19/1983US4380279 Viscous fluid coupling device
04/19/1983US4380155 Temperature sensing circuit with high noise immunity
04/19/1983CA1145012A1 Control arrangments for heating systems
04/19/1983CA1145011A1 Controlling cooling system
04/14/1983WO1983001189A1 Apparatus for detecting probe dislodgement
04/14/1983WO1983001188A1 Apparatus for detecting probe dislodgement
04/13/1983EP0076398A2 Method to control the water temperature of the main or return line of a warm water heating plant
04/12/1983US4379520 Temperature regulating system for air conditioning or heating plants, preferably in railway vehicles
04/12/1983US4379484 Control for a variable air volume temperature conditioning system-outdoor air economizer
04/12/1983US4379483 Method of controlling heating and cooling sources
04/05/1983US4378907 Dual function thermal valve
04/05/1983US4378760 Device for controlling the ventilating means of an internal combustion engine
04/05/1983CA1144234A1 Load controller
04/05/1983CA1143992A1 Damper for an air distribution system
03/1983
03/31/1983WO1983001138A1 Self-monitoring heat tracing system
03/29/1983US4378087 Apparatus for and a method of air conditioning vehicles by controlling circulation of inside air and introduction of outside air
03/29/1983CA1143817A1 Temperature regulating device for electric heating apparatus
03/29/1983CA1143802A1 Circuit protection devices comprising ptc elements
03/29/1983CA1143629A1 Three way butterfly valve
03/29/1983CA1143600A1 Method of and apparatus for heat processing photosensitive material
03/23/1983EP0074868A1 Identification process of a thermal enclosure model, and application to the regulation of a thermal enclosure
03/23/1983EP0074867A1 Simplified thermostatic valves
03/23/1983EP0074851A2 Multistage thermostat
03/23/1983EP0074840A2 Control circuit
03/22/1983US4377738 Method of controlling the temperature of an electrically heated element
03/22/1983US4377346 Thermostatic apparatus
03/22/1983US4377138 Glow plug control system for diesel engine
03/16/1983EP0074108A2 Cooker with heating control system
03/16/1983EP0073915A2 Method and apparatus to control a continuous thermal process for a textile sheet-like material
03/16/1983EP0073797A1 Method of determining an order value for a temperature or pressure regulator in a heat pump.
03/15/1983US4376510 Warning device and method for a heating system
03/15/1983CA1143037A1 System and method for controlling air conditioning systems
03/15/1983CA1143016A1 Magnetic card control microwave oven
03/09/1983EP0073493A2 Air conditioner for automotive vehicle
03/09/1983EP0073324A2 Copier fuser control apparatus and method
03/08/1983US4375873 Temperature responsive valve
03/08/1983US4375872 Draft control for stoves and furnaces
03/08/1983US4375754 Vehicle temperature control apparatus
03/08/1983US4375753 Air conditioner
03/08/1983US4375750 Method and apparatus for controlling the temperature in the refrigerator chamber and freezer compartment of an absorption refrigerator
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