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)
12/1989
12/28/1989DE3820736A1 Arrangement for temperature stabilisation
12/27/1989EP0348298A1 Process and device for controlling the heat supply of a heating appliance, and heating apparatus provided with this device
12/27/1989EP0347821A2 Temperature controller of liquid cooling system
12/27/1989CA1264080A1 Water temperature sensing and control means for automatic washer
12/27/1989CA1264061A1 Device for a heat emitting unit for connection to an electric voltage source
12/26/1989US4889971 Apparatus for regulation or limitation of temperature
12/26/1989US4889280 Temperature and humidity auctioneering control
12/26/1989US4889179 Two wire adaptive system for interconnecting a four wire thermostat and a four wire, heating/cooling system
12/26/1989US4888973 Heater for superplastic forming of metals
12/21/1989DE3820823A1 Method and device for controlling heating elements, in particular hotplates of electric cooking stoves and baking ovens
12/20/1989EP0347124A1 Apparatus and method for maintaining a minimum temperature for liquids in pipes
12/20/1989EP0346892A2 Hydraulic cutoff valve for fluid in a heating system
12/20/1989EP0346327A1 Temperature controlled soldering iron with temperature setting established by a replaceable resistor.
12/20/1989EP0189446B1 Electronic power regulation device for an electric hot water apparatus with output temperature regulation
12/20/1989CN2049795U Non-electrothermal temp. auto-controller
12/20/1989CN2049503U Electrothermal appliance with voltage and temp. regulating and constant temp. functions
12/19/1989US4888471 An improvement in a device for high accuracy thermal regulations of an enclosure
12/19/1989US4888469 Double-regime electric heating convector
12/19/1989US4887890 Transparent carrier, electrode, electrolyte and active polymer
12/19/1989US4887429 Electro-thermal actuator
12/14/1989WO1989012269A1 A method for the optimal comfort and efficiency control of variable speed heat pumps and air conditioners
12/14/1989WO1989012268A1 Control and monitoring circuit for electrical seat heaters, in particular in motor vehicles
12/14/1989WO1989012147A1 Thermostatic device for insertion in a liquid pipeline
12/14/1989DE3819114A1 Actuating device for an adjustable valve spindle
12/13/1989EP0346135A2 Control system for heating container for use on motor vehicle
12/13/1989EP0345882A1 Heating and temperature-control device for biological sample containers
12/13/1989CN2049375U Miniature temp. controller
12/12/1989US4887062 Thermal sensor assembly
12/12/1989US4886954 Hot wall diffusion furnace and method for operating the furnace
12/12/1989US4886207 Automatic mixing faucet
12/12/1989US4886110 HVAC zone control system
12/12/1989CA1263852A1 Valve seat structure for automotive thermostatic fluid control valve device
12/07/1989DE3818070A1 Safety temperature cutout (limiter)
12/06/1989EP0344869A1 Regulating circuit for an electrically heated seat, especially one for automotive vehicles
12/06/1989EP0344444A2 Cooling device for a centrifuge
12/06/1989EP0344355A1 Hot water supply system
12/06/1989CN2048991U Apparatus of fighting adverse circumstances for micro-computer
12/05/1989US4885564 Power line carrier communication system for monitoring refrigerated containers
12/05/1989US4885456 Temperature controller
12/05/1989US4884743 Method of and plant for regulating the temperature of a heat carrier fluid
12/05/1989CA1263726A1 Heater controller
12/05/1989CA1263683A1 Dual mode power control arrangement for cooking appliance
11/1989
11/30/1989WO1989011690A1 Sanitary mixing tap
11/30/1989DE3821813C1 Thermostatic valve, especially for heating systems
11/30/1989DE3817952A1 Cooling water regulator for internal combustion engines
11/29/1989EP0344065A1 Electronic regulator powered during the non-active periods of network commutation
11/29/1989EP0343383A2 Power adjustment device for electric power systems, in particular for electric power systems with electric ovens
11/29/1989EP0343226A1 Lighting control.
11/29/1989CN2048599U Multi-functional electronic temp. controller
11/28/1989USRE33119 Selective temperature control system
11/28/1989US4884214 Thermostat
11/28/1989US4883225 Fail-safe thermostat for vehicular cooling systems
11/23/1989EP0343128A2 Heating system including an assembly for automatically adjusting the temperature of the heating water
11/23/1989EP0342709A1 Sanitary mixing valve using thermostatic control
11/23/1989DE3815984A1 Sicherheitsschaltung fuer einen elektrischen kochherd Safety circuit for an electric cooking stove
11/22/1989CN2048208U Magnetic-type program temperature control
11/21/1989US4882564 Remote temperature monitoring system
11/21/1989US4881686 Temperature recovery display device for an electronic programmable thermostat
11/21/1989US4881591 Oven for the burn-in of integrated circuits
11/20/1989EP0346327A4 Temperature controlled soldering iron with temperature setting established by a replaceable resistor.
11/16/1989DE3831847C1 Heating/cooling apparatus for liquids
11/16/1989DE3815619A1 Device for cooling electrical switchgear cabinets
11/15/1989EP0341959A2 Heating system control
11/14/1989US4879879 Apparatus for controlling a thermostatic expansion valve
11/14/1989US4879878 Air damper assembly for refrigerator/freezer
11/14/1989CA1262945A1 Temperature set point control for a refrigerator
11/14/1989CA1262944A1 Refrigerator temperature and defrost control
11/09/1989DE3813288A1 Method and water-heating installation for water heating
11/08/1989EP0341177A1 Regulation module for electric tracing means
11/08/1989EP0341022A2 Room monitoring and control system
11/08/1989EP0340736A1 Method of controlling the baking of foods
11/08/1989CN2047406U Temp. program control instrument with digital display
11/08/1989CN2047405U Digital full wave control actuator
11/08/1989CN2047352U Freezer temp. controlling and intelligent frost-thawing device
11/07/1989US4878512 Valve mechanism
11/02/1989EP0339373A1 Microcomputer-controlled programme-adjusting device for a time switch device
11/02/1989EP0215947B1 Electronic module with self-activated heat pipe
11/02/1989DE3831621A1 Automatic cooking pot
11/01/1989CN2047087U Miniature automatic temp. regulating switch
11/01/1989CN2047041U Balance constant temp. controller
11/01/1989CN2047011U High precision cryostat
10/1989
10/31/1989US4878092 Method of controlling a fixing unit of an image forming apparatus
10/31/1989US4878011 Proportional firing circuit
10/31/1989US4877181 Shower valve
10/31/1989US4877081 Air-conditioning apparatus for automobiles
10/26/1989DE3838715A1 Heating programmer
10/25/1989EP0338912A1 Centralised management system to supply commodities, such as heating, to real estate dwellings
10/25/1989CN1036625A Equalizing temperature in a variable crown roll
10/24/1989US4875623 Valve control
10/24/1989US4875437 Apparatus for controlling the flow of cooling fluid in an engine
10/24/1989US4875342 Temperature control means for a refrigerating apparatus
10/19/1989WO1989010045A1 Heating system, control device therefor and methods of making the same
10/19/1989WO1989009956A1 Electronically controlled temperature and flow mixing device for liquid media, in particular for sanitary installations
10/19/1989DE3811893A1 Electronic temperature controller having an integrated current-monitoring device and DC-isolation between control circuit and load current circuit
10/19/1989DE3811864A1 Measurement device for measuring the oxygen partial pressure in aggressive liquids at high temperature
10/19/1989DE3811189A1 Method for environmental control in electrical switching cabinets
10/18/1989EP0337065A1 Method and device for operating a soldering station
10/17/1989US4874929 Toaster oven/broiler with continuously energized indicator
10/17/1989US4874926 Electric heating load management control
10/11/1989EP0336076A2 Adjusting method for the temperature difference between switch-on and switch-off temperatures of a cooling device
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