| Patents for G05D 23 - Control of temperature (28,546) |
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| 05/24/1994 | US5313801 Cryostat throttle |
| 05/24/1994 | CA1329828C Method of determining whether power supply or magnetron has failed |
| 05/24/1994 | CA1329797C Thermostatic pressure balanced valve assembly |
| 05/19/1994 | DE4338592A1 Time switch and thermostat circuit for mobile thermo-turbo radiation heated stove - uses LPG or electric heating and heat sources provided are controlled depending on predetermined time periods using electronic timer control unit |
| 05/17/1994 | USRE34609 Collectorless direct current motor, driver circuit for a drive and method of operating a collectorless direct current motor |
| 05/17/1994 | US5311747 Sprinkler system |
| 05/17/1994 | US5311746 Method and apparatus for sensing temperature of vehicle interior |
| 05/11/1994 | WO1994010620A1 A hot water tank energy controller |
| 05/11/1994 | WO1994010545A1 System for the controlled heating of an object |
| 05/11/1994 | DE4337692A1 Cooling system for electronic appts. e.g. computer - has individually-controlled cooling devices operable of two different frequencies depending on rotor speed or compressor |
| 05/11/1994 | DE4237435A1 Thermostatic mixing fitting for preparing heated water for showers and baths, - contains housing with inlets and outlets, valve body movable between hot and cold water valve seats |
| 05/11/1994 | DE4237036C1 Thermostat-valve production method for automotive-engine cooling - involves injection moulding control pin seal and valve plate onto ends of tubular capsule containing pin and expansion material |
| 05/11/1994 | CA2147974A1 A hot water tank energy controller |
| 05/10/1994 | US5311451 Reconfigurable controller for monitoring and controlling environmental conditions |
| 05/10/1994 | US5311268 Fixing device using fuzzy inference |
| 05/10/1994 | US5310993 Device for controlling or limiting temperature in an electric cooking appliance |
| 05/10/1994 | US5310111 Pneumatic controller |
| 05/10/1994 | US5310110 Heating apparatus and heating power control method |
| 05/10/1994 | US5309728 Control apparatus for multiple unit air conditioning system |
| 05/10/1994 | US5309727 Reactive control for discrete chiller units |
| 05/10/1994 | CA2102746A1 Adaptive furnace control using analog temperature sensing |
| 05/10/1994 | CA2031550C Multi-type air heating apparatus utilizing phase variation of heating medium |
| 05/10/1994 | CA1329422C Food-temperature control system |
| 05/05/1994 | DE4337388A1 Controlling heating system responsive to outside temp. measurement - averaging temp. readings over 24-hour periods for correction of storage heater control signal |
| 05/05/1994 | DE4336564A1 Temp. monitor for protecting electrical equipment against excessively high temp. - has switching mechanism in parallel with PTC element and in series with heating resistance |
| 05/05/1994 | DE4236694A1 Individual room temp. control appts. e.g. for house, school or office - has analogue manual controls for desired temp. to be maintained throughout each of several subdivisions of day and night |
| 05/05/1994 | DE4236443A1 Temp. regulation of foil blowing head - for plastic bag foil mfr. using circuits for common and individual regulation of integrated heating cartridges |
| 05/05/1994 | DE4236281A1 Combined extruder and welding tool for thermoplastic sheets - controls both materials and air temp. so that it welds satisfactorily for any material, thickness or air conditions. |
| 05/04/1994 | EP0594961A1 Estimation of metal temperature by consumption amount of pouring tube due to immersion in molten metal |
| 05/04/1994 | EP0594886A1 Method and controlling a heating system and device for carrying out the method |
| 05/04/1994 | EP0594885A1 Method for controlling a heating system and device for carrying out the method |
| 05/04/1994 | CN2164061Y Pressure-regulating timing temp controller |
| 05/04/1994 | CN2164060Y Balance control mechanism for double-sensing temp controllers |
| 05/04/1994 | CN2163867Y Automatic temp-control valve of water jacket furnace for thick oil wells |
| 05/03/1994 | US5308957 Heater control system |
| 04/28/1994 | DE4335990A1 Heating appts. low tariff period programming device - has microprocessor control and LED status indicator for night storage heater ventilator, and uses 24 hour clock |
| 04/28/1994 | DE4235757A1 Radiation detector - has detector element on wall of Dewar vessel vacuum chamber with Joule-Thomson cooler |
| 04/28/1994 | DE4235752A1 Cryogenic cooling apparatus e.g. Joule-Thomson cooler - has valve pin on high pressure side of valve opening affecting quantities of cooling medium flowing into valve opening |
| 04/27/1994 | EP0594308A1 Method of controlling temperature of metallic mold in permanent mold casting facility and apparatus therefor |
| 04/27/1994 | EP0404914B1 Procedure for controlling and maintaining air currents or equivalent in an air-conditioning installation, and an air-conditioning system according to said procedure |
| 04/26/1994 | US5306955 Two-wire, electronic switch |
| 04/26/1994 | US5305952 Energy saving apparatus and method |
| 04/26/1994 | CA1328739C Method of controlling glass fiber formation and control system |
| 04/24/1994 | CA2107023A1 Method of controlling temperature of metallic mold in permanent mold casting facility and apparatus therefor |
| 04/20/1994 | EP0592783A2 Heat regulator for integrated circuits |
| 04/20/1994 | EP0592771A1 Method of controlling the temperature of domestic hot water in a domestic hot water supply system and control device for carrying out the method |
| 04/20/1994 | CN1085658A Temperature measuring circuit for heating and cooking appliances |
| 04/20/1994 | CN1085650A Refrigerator |
| 04/20/1994 | CN1085646A Control system for an air conditioning/refrigeration system |
| 04/20/1994 | CN1024266C Refrigerating system for use in vehicle with engine which enables selective use of commercial AC power source & generator driven by engine for driving refrigerant compressor |
| 04/19/1994 | US5305417 Apparatus and method for determining wafer temperature using pyrometry |
| 04/19/1994 | US5304781 Two terminal line voltage thermostat |
| 04/19/1994 | US5303864 Expansion valve |
| 04/19/1994 | US5303767 Control method and system for controlling temperatures |
| 04/19/1994 | US5303737 Sanitary fitting |
| 04/19/1994 | US5303562 Control system for heat pump/air-conditioning system for improved cyclic performance |
| 04/19/1994 | US5303560 Method and apparatus for monitoring and controlling the operation of a refrigeration unit |
| 04/14/1994 | DE4234128A1 Adjusting the work temp. during a process using vapour in trans - using mixed liq. which, depending on the volume ratio of each liq., boil at various temps. |
| 04/13/1994 | EP0592004A1 Refrigerator |
| 04/13/1994 | EP0591628A1 Method of modifying the programparameters of a heating controller and production device thereof |
| 04/13/1994 | EP0498855B1 Dual mode pneumatic control system |
| 04/13/1994 | CN2161946Y Double sensing and dynamic pressure type temp. controller |
| 04/13/1994 | CN2161281Y Electric heating device for feet |
| 04/12/1994 | US5302347 Using a magnatron tube in the reactor to heat the water bath and samples and having a controller in the water supply; variations in heating effected quickly; DNA synthesis by polymerase chain reaction |
| 04/12/1994 | US5301743 Cooling abnormality detection system for electronic equipment |
| 04/12/1994 | US5301514 Low refrigerant charge detection by monitoring thermal expansion valve oscillation |
| 04/12/1994 | US5301513 Monitoring and control of chiller units |
| 04/12/1994 | CA2025946C Temperature controlling means |
| 04/07/1994 | DE4334162A1 Electric continuous flow water heater - has safety relay between heaters and 3-phase supply, triggered by voltage monitoring unit and water flow monitor |
| 04/07/1994 | DE4233266A1 Heater for vehicle - has valve in heat-carrying circuit activated by bimetallic strip and which closes at predetermined maximum temp. |
| 04/06/1994 | EP0590250A1 Method for heat characteristics adjustment of a heating circuit controller |
| 04/06/1994 | CN2160935Y Automatic temp controller and electric heater for electrothermic blanket, incubator and heat insulation cabinet |
| 04/06/1994 | CN2160934Y Electronic high and low temp alarm controller |
| 04/05/1994 | US5300995 Fixing unit for controlling the moving speed of the fixing section |
| 04/05/1994 | US5300757 Cooking apparatus providing accurate control of cooking process and capability for specifying hardness degree of cooked food |
| 04/05/1994 | US5299432 Control device for air conditioner |
| 04/05/1994 | US5299428 Environmental control system and method |
| 03/31/1994 | WO1994007194A1 Thermostat-type setback controller having a recovery set point which depends on the time-based value of a sensor signal |
| 03/31/1994 | WO1994007090A1 Back up power source for a thermostat |
| 03/31/1994 | DE4232801A1 Valve for heating or air conditioning systems - has valve body in housing and temp. sensor in housing recess downstream of valve body chamber. |
| 03/31/1994 | DE4231649A1 Three-way thermostat valve for coolant circuit, esp. for IC engine - has valve housing with inlet, two outlets, valve element, and valve slide. |
| 03/30/1994 | EP0589448A1 An occupant condition determining apparatus |
| 03/30/1994 | EP0588911A1 Heated floor. |
| 03/30/1994 | EP0169878B2 Energy saving refrigeration apparatus having a control means |
| 03/30/1994 | CN2160128Y Vorter heating thermostat |
| 03/30/1994 | CN1084655A Temperature measuring controller with optical-fibre sensor |
| 03/30/1994 | CN1084627A Unit for controlling of operation of air conditioner |
| 03/29/1994 | US5297728 Thermal expansion valve |
| 03/29/1994 | US5297621 Method and apparatus for maintaining electrically operating device temperatures |
| 03/29/1994 | US5297396 Air conditioning apparatus having a plurality of indoor units connected to an outdoor unit |
| 03/25/1994 | CA2079014A1 Power interface for use in a harsh environment and for generating a power signal |
| 03/24/1994 | DE4331917A1 Control of gas burner water heater - involves inhibition switching of gas valve to ensure that safe delay is provided before gas valve can be operated following turn off |
| 03/23/1994 | EP0588633A1 Temperature control apparatus |
| 03/23/1994 | EP0588107A1 Method for function definition and control unit device for an oven |
| 03/23/1994 | EP0587981A1 Thermostatic valve |
| 03/23/1994 | EP0587963A1 A process for temperature control, for instance in injection system for plastic materials, and system therefor |
| 03/23/1994 | EP0587717A1 A device for controlling the temperature of exhaust gases in motor vehicles |
| 03/23/1994 | CN1084292A Equipment for controlling of temperature |
| 03/22/1994 | US5296683 Preheating method and apparatus for use in a food oven |
| 03/22/1994 | US5295364 Refrigeration pull-down technique |