Patents for G05D 23 - Control of temperature (28,546)
05/1989
05/17/1989EP0315974A1 Soldering device including at least one soldering iron
05/17/1989EP0315780A2 Indicating refrigerant liquid saturation point
05/17/1989CN2037832U Multifunctional electronic control and protection device for refrigerator
05/16/1989US4831226 Control system with hidden reprogramming switch
05/16/1989US4830277 Thermostatic valve
05/16/1989US4830095 Temperature control system for air conditioning system
05/16/1989US4829884 Blowout temperature control system
05/16/1989US4829779 Interface adapter for interfacing a remote controller with commercial refrigeration and environmental control systems
05/16/1989US4829774 Transportable refrigerating container
05/11/1989DE3736658A1 Heating installation with a continuous-flow water heater and a hot-water storage tank
05/10/1989CN2037457U Multifunction electronic controller of frigidarium
05/10/1989CN2037456U Multifunction automatic protective device of frigidarium
05/10/1989CN1032732A Parameter control system for an oven
05/09/1989US4829458 External constant specification in a digital electronic system
05/09/1989US4829447 Bypass controller and bypass system
05/09/1989US4829161 Control unit and method of making the same
05/09/1989US4829159 Method of optimizing control of plural switched electric loads to reduce switching transients
05/09/1989US4828167 Wax-pellet thermostat
05/09/1989US4828166 Device for regulating the heating element of a cooking vessel
05/09/1989US4828016 Programmable electronic thermostat with means for enabling economical recovery
05/09/1989US4827731 Temperature control means for a refrigerating container
05/09/1989US4827627 Apparatus and method for controlling a drying cycle of a clothes dryer
05/09/1989CA1253935A1 Method and apparatus for controlling temperature of a liquid
05/03/1989EP0314661A2 Fixture apparatus with combined shut-off valve and check valve for a hot water heater of the compressor type
05/03/1989EP0314653A1 Pressure medium valve
05/03/1989EP0313913A2 Mixing device
05/03/1989EP0313869A2 Temperature regulation circuit
05/03/1989EP0313768A2 Parameter control system for an oven
05/03/1989EP0027112B2 Method and apparatus for regulating the temperature of a heating element in a water heater
05/03/1989DE3834433A1 Method for controlling the power of a fan heater (heater blower) and a circuit arrangement therefor
05/03/1989DE3736133A1 Air-heating unit for frost- and ice-proof heating of outside air during circulating-air and brine-free operation
05/03/1989DE3736005A1 Control unit for electronically controlling the hob temperature with a temperature sensor
05/03/1989CN2036784U Multifunctional temp. controlled bed
05/03/1989CN1032708A Temp. feedback control technique for degree of dryness of material
05/02/1989US4827104 Phototransistor relay electronic temperature control for cordless irons
05/02/1989US4825662 Temperature responsive compressor pressure control apparatus and method
05/02/1989CA1253609A1 Electronic module with self-activated heat pipe
05/02/1989CA1253598A1 Power control arrangement
05/02/1989CA1253594A1 Furnace draft control with remote control feature
05/02/1989CA1253580A1 Method and apparatus for controlling the temperature of continuously fed wires
04/1989
04/27/1989DE3820105A1 Ventil zum regeln eines luftstroms Valve for controlling a flow of air
04/26/1989EP0312972A2 Method of controlling glass fiber formation and control system
04/26/1989CN2036649U Refrigeration temp.-controller
04/25/1989US4825199 Circuit underloading monitoring system
04/25/1989US4825035 Control apparatus for energy beam hardening
04/25/1989US4824014 Generation of a set point in a heating control system
04/25/1989US4824013 Temperature controller
04/25/1989CA1253237A1 Adaptive clock thermostat means for controlling over and undershoot
04/25/1989CA1253236A1 Temperature controller with temperature limiting sensor
04/20/1989DE3833665A1 Multitherm-temperature-time-controller-dip probes
04/20/1989DE3733294A1 Circuit for controlling the electric power for a load (consumer)
04/19/1989CN2036293U High sensitive over-heating protecting and temp. controller
04/19/1989CN2036292U Sensing temp. probe-free adjustable thermostatic self controller
04/18/1989US4822982 Automatic circuit control for electrical resistance cooking apparatus
04/18/1989US4822979 Temperature controlled soldering iron with a unitary electrically heated soldering tip and thermocouple
04/18/1989US4821954 Thermally activated snap-action valve
04/18/1989US4821528 Fault tolerant control for a refrigerator
04/18/1989US4821526 Air conditioning apparatus
04/18/1989CA1252852A1 Process for the modification of an existing heating installation, and device for use in said process
04/18/1989CA1252851A1 Adaptive optimum start
04/18/1989CA1252850A1 Clock operated thermostat having automatic changeover and optimum start
04/12/1989CN2035630U Multifunctional semi-conductor constant temp. medical kit
04/11/1989US4821069 Apparatus for controlling the temperature of a heat roller
04/11/1989US4821062 Integrated assembly of thermostat and thermistor in fixing device of image reproduction machine
04/11/1989US4819868 Electromechanical device associated with thermoactuators for use in vehicle climate control and air conditioning systems
04/11/1989US4819867 Thermostatic mixing valve
04/11/1989US4819715 Automatic air conditioning system for an automotive vehicle
04/11/1989US4819714 Air conditioning apparatus
04/11/1989US4819443 Expansion valve
04/11/1989US4819441 Temperature controller for a transport refrigeration system
04/06/1989DE3740500C1 Thermostatically actuable valve
04/06/1989DE3732833A1 Heating plant control method, in which a rough regulation of the heating inlet temperature that can be achieved by on/off operation of the heat source is performed
04/06/1989DE3732041A1 Method of determining the time of heating-up processes in preheating ovens for dentistry
04/05/1989EP0310502A1 Control of electric resistances, especially those for an industrial oven
04/05/1989EP0309886A2 Automatically operating valve for regulating water flow and faucet provided with said valve
04/05/1989EP0309770A2 Temperature control system in a cooking apparatus
04/05/1989EP0309738A1 Electrically regulated mixing valve
04/04/1989US4819177 Method for curing rubber articles
04/04/1989US4818547 Method for cooking food material of varying volume
04/04/1989US4817864 Temperature compensation for vav system
04/04/1989US4817705 Thermostatic control without temperature droop using duty cycle control
03/1989
03/30/1989DE3734173C1 Room temperature controller
03/29/1989EP0308866A2 Ratchet switch operator
03/29/1989EP0308848A2 Method and device for temperature control of the heating medium of a closed loop heating system with minimum temperature limitation
03/29/1989EP0308806A2 Selfadaptive control-method for temperature regulation of at least one space of a building
03/29/1989EP0308579A2 Limiting device for the values of variables
03/29/1989CN1031991A Bushing balance controller
03/28/1989US4817009 Furnace zone temperature control
03/28/1989US4816647 Power control for appliance having a glass ceramic cooking surface
03/28/1989US4816642 Hot melt adhesive applicator and temperature control circuit therefor
03/28/1989US4815658 Control device for automotive air conditioning system
03/28/1989US4815657 Room temperature controlling apparatus used for an air conditioner
03/28/1989US4815302 Automatic vending machine
03/22/1989EP0308261A2 Temperature responsive flow control valve apparatus
03/22/1989EP0307738A1 Mixing valve
03/22/1989CN2034675U Exhaust gas, waste heat recovering system
03/21/1989US4814931 To apply electrical current to a load
03/21/1989US4814583 Temperature controller for a waterbed
03/21/1989US4813475 Temperature control means for a self service banking system
03/16/1989DE3815421A1 Method for switching a heat pump heating system