Patents for G05D 23 - Control of temperature (28,546)
08/1993
08/31/1993US5240725 Heating power control method and cooking apparatus
08/31/1993US5240178 For controlling a space temperature modifying apparatus
08/31/1993CA1321823C Boiling condition detector
08/26/1993DE4205758A1 Simplified control system for electric storage heater - has common feed for charging, heating and for control signals using coded signals.
08/25/1993EP0557144A1 Apparatus with reciprocatory positioning means of a shaft with a cylindrical housing
08/24/1993US5239164 Heater control apparatus for printers
08/24/1993US5238219 Thermostatic expansion valve
08/24/1993US5238185 Thermostatic valve device having a pilot valve
08/24/1993US5238184 Controlling HVAC equipment
08/24/1993CA1321626C Electrofusion of electrofusion joint, method of confirming state of fusion and fusion joint suitable for use in the methods
08/24/1993CA1321614C Lighting control
08/19/1993WO1993016426A1 Device for controlling, regulating and monitoring heating systems
08/19/1993WO1993015654A1 System and method for controlling the temperature of a catheter-mounted heater
08/18/1993EP0556168A1 Thermostat
08/18/1993EP0556095A1 Thermostatic safety valve for a hydraulic cooling circuit
08/18/1993EP0555534A2 Receiving means for coded time signals transmitted by radio
08/18/1993CN1075361A Power supply device for air conditioning control apparatus
08/12/1993DE3546778C2 Water mixing tap
08/11/1993EP0554812A2 Device for manually lowering temperature for a thermostatic timing switch.
08/11/1993EP0554514A1 Cryogenic pilot valve
08/11/1993EP0554459A1 Heating apparatus using ptc thermistor
08/11/1993CN1075200A Kimchi fermentation/storing control system for a refrigerator
08/10/1993US5235159 Control system, method of operating a heating apparatus and controlled heating apparatus
08/10/1993US5234050 For use in automobiles
08/05/1993DE4202481A1 Monitoring temp. for thermal compression during LCD mfr. - measuring thermoelectric voltage between LCD track and printed circuit and using for control
08/04/1993EP0553867A2 Drive circuit for electronic device
08/04/1993EP0553425A1 Method and device for detecting the presence of a body, for example a saucepan, on a glass ceramic cooking hob in correspondence with a heating element associated with said hob
08/04/1993CN2139751Y Automatic controller for electric fan
08/03/1993US5232667 Disposable cartridge contains a detector with electrical heater generating signal and monitoring the electrical input; controllers, medical equipment
08/03/1993US5232015 Expansion valve with inlet strainer
08/03/1993US5231955 For a coolant control of an internal-combustion engine
08/03/1993US5231848 Refrigerator cold control
08/03/1993US5231846 Method of compressor staging for multi-compressor multi-circuited refrigeration systems
08/03/1993US5231842 Refrigerant handling system with liquid refrigerant and multiple refrigerant capabilities
07/1993
07/28/1993EP0552860A2 Device for controlling or limiting temperature in an electric cooking appliance
07/28/1993EP0552453A2 Actuating device for a mixing valve
07/28/1993EP0552452A2 Actuating device for a mixing valve
07/28/1993CN2139276Y Water-proof structure for electronic temp controller
07/28/1993CN1074766A Electric heating temp. adjusting device
07/27/1993US5230564 Temperature monitoring system for air-cooled electric components
07/27/1993US5230482 Electronic time thermostat with a temporary next period adjustment means
07/27/1993US5230465 Control knob for a thermostatically regulated valve
07/27/1993US5230222 Compressor crankcase heater control
07/27/1993CA1320749C Electronic programmable thermostat for a heating and cooling system with an oscillation control mechanism
07/24/1993CA2087891A1 Device for controlling or limiting temperature in an electric cooking appliance
07/22/1993WO1993014559A1 Pulse width modulation power circuit
07/22/1993WO1993014451A1 Electronically timed shower controller
07/21/1993EP0438424B1 Fixture apparatus with combined shut-off valve and check valve for a hot water heater of the pressure type
07/20/1993US5230055 Battery operated computer operation suspension in response to environmental sensor inputs
07/20/1993US5230016 Holder for portable electronic equipment
07/20/1993US5229579 Motor vehicle heated seat control
07/20/1993US5229578 Heater activating apparatus with a switchable current controlling element
07/20/1993US5228619 Thermal expansion valve
07/20/1993US5228499 Refrigerator including a fermentation and ensilage compartment, and the control method thereof
07/20/1993US5228307 Multitemperature responsive coolant coil fan control and method
07/20/1993CA1320528C2 Heating system for an oven including a plurality of oven zone locations and product selection keys
07/15/1993DE4200608A1 Heated roller - has inner heater to give recirculating heat to compensate for heat loss
07/13/1993US5227704 Motor controls, refrigeration systems and methods of motor operation and control
07/13/1993US5227610 Process and device for indicating an anomalous thermal stress condition in a heating surface made from glass ceramic or a comparable material
07/13/1993US5226591 Active low temperature limit for battery powered thermostat
07/13/1993US5226472 Modulated temperature control for environmental chamber
07/13/1993CA2032874C Control of staged heating and cooling apparatus by a four-wire thermostat
07/08/1993WO1993013467A1 Communicating thermostat
07/08/1993WO1993013466A1 Electronic time thermostat with a temporary next period adjustment means
07/08/1993CA2121139A1 Electronic time thermostat with a temporary next period adjustment means
07/08/1993CA2121124A1 Communicating thermostat
07/07/1993EP0550124A2 Oven controlled by an optical code reader
07/07/1993EP0549829A1 Valve assembly for solar heating and use for heating a swimming pool
07/07/1993CA2058833A1 Self-activating setback thermostat
07/06/1993US5224649 Digital thermostat with single rotary encoder switch for establishing set point temperature
07/06/1993US5224536 Thermostatting device
07/06/1993US5224355 Plural temperature adjustment apparatus for refrigerator
07/06/1993US5224353 Control method and apparatus for air-conditioner
07/06/1993US5224352 Control device for an absorption refrigeration machine
06/1993
06/30/1993EP0548389A1 Hydronic heating water temperature control system
06/30/1993CN1073582A Bread making apparatus and its temperature control method
06/29/1993US5222548 Electrically controlled liquid-crystal heat valve
06/29/1993CA1319479C Pultrusion process
06/29/1993CA1319464C Washing device for parts of human body
06/24/1993WO1993012479A1 Pressure relief valve with thermal trigger and movable seal plug
06/24/1993WO1993012478A1 Setting device for a radiator valve
06/24/1993WO1993012393A1 Power feeder of air conditioner
06/24/1993WO1993007549A3 Wireless communication system for air distribution system
06/24/1993CA2125865A1 Pressure relief valve with thermal trigger and movable seal plug
06/23/1993EP0547715A2 Improved interface circuit for control devices of heating appliances, particularly suitable for wall-mounted boilers
06/23/1993CN2137009Y Precursor for children catching cold
06/23/1993CN1073513A Controller of air conditioner
06/23/1993CN1021363C Method for controlling heating output of cooking pan and apparatus employed therefor
06/22/1993US5221829 Domestic cooking apparatus
06/22/1993US5220805 Air-conditioning system for vehicle
06/17/1993DE4141224A1 Heating load control method for surface heating element e.g. for heated automobile seat - using full heating load for initial heating-up and reduced load for temp. maintenance
06/16/1993EP0546982A1 Compressor crankcase heater control
06/15/1993US5220389 Image forming apparatus having a controlled fixing means
06/15/1993US5220255 Interface for interconnecting a thermostat and an electronically commutated motor
06/15/1993US5220156 Proportional control circuit
06/15/1993US5219119 Thermostat-type setback controller having a recovery set point which depends on the time-based value of a sensor signal
06/15/1993CA1319133C Thermostatic apparatus for liquid handling piping
06/10/1993CA2057258A1 Valve cartridge and seal therefore
06/09/1993EP0545736A2 Method and apparatus for temperature control of multiple samples
06/09/1993EP0545012A2 Control circuit for a household appliance coding fan