Patents for G05D 23 - Control of temperature (28,546)
11/1990
11/19/1990CA2017261A1 Refrigerating system for use in vehicle with engine which enables selective use of commercial ac power and a generator driven by the engine for driving the refrigerant compressor
11/15/1990WO1990013861A1 Temperature control system
11/14/1990CN2065775U Multi-function electronic temp. controller
11/14/1990CN1010454B Electronic fluorescent lamp with overheat step-down circuit
11/13/1990US4970496 Vehicular monitoring system
11/13/1990US4970373 Electronic temperature control system for a tankless water heater
11/13/1990US4969598 Valve control
11/13/1990US4969508 Wireless thermostat and room environment control system
11/13/1990US4969459 Infrared heating system for surgical patients
11/12/1990CA2016403A1 Cooking appliance interface
11/08/1990DE3920370C1 Hair curler with hybrid store in handle - delivering hydrogen in first control state to hybrid store in working part developing heat
11/06/1990US4968872 Image forming apparatus
11/06/1990US4968864 Magnetic card control microwave oven
11/06/1990US4968121 Hermetically sealed apparatus and method for maintaining crystals at a controlled operating temperature
11/06/1990US4967794 Automatically operating valve for regulating water flow and faucet provided with said valve
11/02/1990CA2014449A1 Thermal reactor
10/1990
10/31/1990EP0395521A1 Thermostatic valve and manufacturing process for it
10/31/1990EP0395259A2 Temperature control system for solid state light source
10/31/1990DE3913636A1 Speech-controlled operating of household appliance - by giving user instructions for correct use in event of repeated faulty operation
10/31/1990CN2064909U Computerized temp. controller
10/31/1990CN2064908U Electricity-limiting energy-saving and temperature controlling device
10/31/1990CN2064907U Thermostat device
10/30/1990US4967382 Programmable time varying control system and method
10/30/1990US4967061 Heated basin
10/30/1990US4965894 Mixing device
10/30/1990CA1275718C Air conditioning apparatus
10/30/1990CA1275678C Heater control for liquid flowing through a chamber
10/30/1990CA1275677C Dual mode windshield heater control
10/24/1990EP0394041A2 Capillary flow device and reading instrument
10/24/1990CN2064517U Concrete controlling device for use on indoor temp. humidity in standard maintaining condition
10/24/1990CN2064486U Refrigerator using electronic temp. controllers
10/23/1990US4964567 Expansion and check valve combination
10/18/1990WO1990012351A1 Fluid mixer device
10/18/1990WO1990012261A1 A system for supplying hot water
10/18/1990DE3925264C1 Oil or gas fired IR and air heater - has combustion chamber enclosed in jacket to form heat exchange space fed by fan
10/18/1990DE3912417A1 Electronic room temp. controller relay control transistor - has control voltage influenced by capacitor voltage to give rapid response to temp. variations
10/17/1990EP0392272A1 Measuring and/or controlling device for fluid flow and/or quantities of heat
10/17/1990EP0392191A1 Hot air gun
10/17/1990CN2064081U Constant temperature bath pot with protective regulating power and temperature
10/16/1990US4964115 Thermal sensing system
10/16/1990US4963375 Method of controlling the baking of foods
10/16/1990CA1275280C Thermostatic mixer tap
10/11/1990DE3910772A1 Decentralised, time-dependent room (space) heating control
10/10/1990CN2063720U Frequency-change speed regulator for motor of refrigerator
10/10/1990CN2063662U Electronic temp. controller for electric refrigerator
10/10/1990CN2063661U High-voltage spark-over preventive temp. controller
10/10/1990CN2063636U Digital display temp. regulator
10/10/1990CN1046005A 蒸气熨斗 Steam irons
10/09/1990US4962372 Self limiting cable supervisory device
10/09/1990US4962299 Method and apparatus for the thermal control of a heating device
10/09/1990US4961530 Engine cooling system, structure therefor and methods of making the same
10/09/1990US4961341 Testing device for an oxygen sensor
10/04/1990WO1990011434A1 Thermostatic coolant control valve
10/04/1990DE4008931A1 Control of power supply to electric sauna heater
10/04/1990DE3909554A1 Process for generating a working gas stream
10/03/1990EP0390264A1 Steam iron
10/03/1990EP0390121A1 Mixing valve
10/03/1990EP0389715A2 Electronic control system for a hot air furnace
10/03/1990CN2063250U Composite time-proportion temp controller for hot water circulation
10/02/1990US4960975 Method and apparatus for operating a soldering station
10/02/1990US4959973 Thermostatic expansion valve
10/02/1990CA1274875A1 Multiple phase switching circuit and heat sink structure
09/1990
09/30/1990CA2003235A1 Electronic control system for a gas-fired/hot air furnace with induced draft blower
09/26/1990EP0389407A1 Space suit cooling apparatus
09/26/1990EP0388863A2 Temperature control device
09/25/1990CA1274431A1 Remotely operated fluid power control system for automotive vehicle
09/20/1990WO1990010999A1 Control arrangement for a seat heater
09/20/1990DE3907929A1 Method for using measurement technology to detect an occurrence (attack), of ice located on exposed components of a flying (flight) vehicle (flying body)
09/19/1990EP0387702A2 Method for regulating the supply, respectively return, of water temperature for a heating installation
09/19/1990EP0387471A2 An electrically controlled cold and hot water mixer faucet
09/19/1990EP0387396A2 An electrically controlled mixing cock
09/19/1990CN2062442U Eight-way measuring and eight-way circulation temp. measuring display
09/18/1990US4958062 Driving control apparatus for an electric range with self-diagnosis function
09/18/1990US4957238 Pneumatic variable air volume controller
09/18/1990CA1274295A1 Adaptive blower motor controller
09/15/1990CA2029824A1 Control arrangement for a seat heater
09/12/1990EP0386984A1 Microprocessor controlled soldering station
09/12/1990EP0386773A1 Hot-water and cold water mixing device
09/12/1990EP0386212A1 Automatic mixing faucet
09/12/1990CN1009573B Oven with wide temperature range
09/11/1990US4955535 Automatically operating valve for regulating water flow and faucet provided with said valve
09/11/1990CA1274007A1 Control circuit for a refrigerating device
09/11/1990CA1273753A1 Washing device for parts of human body
09/07/1990WO1990010264A1 Heating body for electrical heating appliances, in particular for a hot-melt adhesive gun, with at least one temperature-dependent resistor
09/06/1990DE3906603A1 Electric flow heater
09/06/1990DE3153654C2 Central heating system with individually controlled radiators
09/05/1990EP0385766A2 A control apparatus used for an automobile air conditioning system
09/05/1990EP0385235A1 Heating device for apparatuses using an electric heating element, particularly for a hot-glue gun, with at least one temperature-dependent resistor
09/05/1990EP0384959A1 Regulator for a non-modulating burner
09/05/1990EP0256071B1 Improvement to the thermal regulation device of a vessel
09/04/1990US4953594 Flow control
09/04/1990US4953578 Dual mode pneumatic control system
09/04/1990US4953536 Water heating apparatus
09/04/1990US4953236 Automatic mixing faucet
09/04/1990CA1273616A1 Thermostat with bypass valve
08/1990
08/29/1990EP0383839A1 Electric toaster
08/28/1990US4952865 Device for controlling temperature charactristics of integrated circuits
08/28/1990US4952856 Method and apparatus for monitoring resistor temperature
08/28/1990US4952781 Control over surface temperature of a fixing roller of a heat roller type fixing device
08/28/1990US4951870 Overtemperature control