Patents for G05D 23 - Control of temperature (28,546)
09/1992
09/01/1992US5142880 Automatic fan control (AFC) unit of low cost and durable construction and related progress for improving the efficiency of existing air conditioning systems
09/01/1992US5142877 Multiple type air conditioning system which distributes appropriate amount of refrigerant to a plurality of air conditioning units
08/1992
08/26/1992CN2114188U Automatic control device of water flow and water temp
08/25/1992US5141760 Heating elements controleld by triacs
08/25/1992US5141153 Energy conservation and anti-scald/burn single handle valve construction
08/25/1992US5140951 Pressure release thermostat
08/25/1992CA1306771C Microprocessor for voltage ramp programmers to obtain minimum programmable voltage increases of a few millivolts
08/20/1992DE4104677A1 Temperature control method for ceramic hotplate - using proximity control and progressive power reduction to approach set temperature
08/19/1992EP0498991A2 Apparatus for regulating the temperature of a liquid
08/19/1992EP0498855A1 Dual mode pneumatic control system.
08/18/1992US5139393 Thermal relief valve
08/18/1992US5139079 Dynamic mechanical analyzer having improved heat transfer
08/18/1992US5138872 Fluid viscoelastic test apparatus and method
08/18/1992US5138844 Condenser fan control system for use with variable capacity compressor
08/18/1992CA1306489C Electric resistance control, namely for an industrial furnace
08/16/1992CA2055742A1 Apparatus for regulating liquid temperature
08/13/1992DE4202600A1 Control circuit for air conditioning system - has time delayed switch=off for compressor to prevent overloading through back-streaming
08/12/1992EP0269693B1 Cryogenic thermal switch
08/12/1992CN1063565A Battery operated computer operation suspension in response to environmental sensor inputs
08/12/1992CN1063398A Automatic constant-temp. controller for high-pressure steam sterilizer
08/11/1992US5138136 Method, circuit and apparatus for supplying an electrical current to a resistive heating element
08/11/1992US5137079 Closed circuit cooling system
08/11/1992US5137051 Control device for a radiator valve
08/11/1992US5136865 Low-temperature storage
08/06/1992WO1992012841A1 Extruder temperature controller and method for controlling extruder temperature
08/06/1992DE4122256A1 Engine thermostat ambient sensor shielded from local heat radiation - is shielded from radiated manifold heat to quicker warm-up time of IC engine in cold weather
08/06/1992DE4103373A1 Throughflow water heater with safety cut=out - has monitoring circuit to switch off power if one or more heating elements have voltage applied with no water flow
08/06/1992DE4102677A1 Current step supply for heating conductor for sticking long parts - has measurement and control circuits controlling current according to heating conductor resistance
08/05/1992EP0497546A1 Heating apparatus
08/05/1992EP0497269A2 Mixing faucet having remote temperature control
08/05/1992CN2112172U Intermittent wind auto-controller of electrical fan
08/04/1992US5135163 Three-way temperature regulator valve containing separate valve assemblies
08/04/1992US5135048 Active temperature differential control
08/04/1992US5135045 Space temperature control system and control method thereof
08/02/1992WO1992014086A1 A mixer valve regulating unit, and a regulating unit piston slide
08/01/1992CA2056747A1 Mixing faucet having remote temperature control
07/1992
07/29/1992EP0496549A2 Power control system adaptable to a plurality of supply voltages
07/29/1992EP0496534A2 Battery operated personal computer
07/29/1992EP0496104A1 Sanitary mixing valve
07/29/1992CN2111536U Temp. control device of fan
07/29/1992CA2060087A1 Seal oil temperature control method and apparatus
07/26/1992CA2057148A1 Power control system adaptable to a plurality of supply voltages
07/23/1992DE4201020A1 Controlling continuous flow water heater esp. electric heater - controlling determined throughput amount per unit time and correcting power supplied depending on determined outlet temp. of heated water
07/23/1992DE3704534C1 Schaltungsanordnung fuer temperaturabhaengige Heizelemente Circuit arrangement for temperaturabhaengige heating elements
07/22/1992EP0495745A2 HVAC low power usage circulation blower
07/22/1992EP0495464A2 Refrigeration temperature control system
07/22/1992EP0495463A2 Refrigeration pull down technique
07/22/1992EP0495118A1 Method and device for computing estimated mean temperature sensation
07/22/1992EP0495117A1 Method of computing equivalent temperature and instrument for environment measurement
07/21/1992US5131457 Protection system for heat pipe airheaters
07/21/1992US5131237 Control arrangement for a refrigeration apparatus
07/19/1992CA2059105A1 Hvac low power usage circulation blower
07/16/1992DE4200316A1 Refrigerating medium handling system - has valve regulating flow through evaporator to minimise overheating of medium
07/16/1992CA2059325A1 Refrigeration temperature control system
07/16/1992CA2059324A1 Refrigeration pull down technique
07/14/1992US5130920 Adaptive process control system, especially for control of temperature of flowing fluids
07/14/1992US5129577 Sealing means for a thermostat
07/14/1992US5129576 Thermostatic pressure balanced valve assembly
07/14/1992US5129233 Automatic operation control system for air conditioner
07/14/1992CA1305109C Thermo-actuator
07/08/1992EP0493537A1 Compact filling device for adjustable quantities of water for domestic use
07/07/1992US5128521 Microcomputer controlled toaster
07/07/1992US5128517 Temperature controlled fluid ciruclating system
07/07/1992US5128516 Heating element control
07/07/1992US5127575 Supervisory control unit for electrical equipment
07/07/1992US5127237 Expansion valve
07/02/1992DE4042123A1 Coolant circuit with heater for vehicle engine
07/01/1992EP0493366A2 Method for controlling the heating of a cooker heating body and device for controlling the power to at least one such body
07/01/1992EP0492324A2 Temperature control device for the passenger compartment of a motor vehicle
07/01/1992EP0492241A1 Soupape thermostatique
07/01/1992EP0492100A2 Sensing element for a state dependent device for switching, controlling or steering
07/01/1992EP0491820A1 Adjustment device and method for cooking apparatus.
07/01/1992EP0491815A1 Steam/water mixer
07/01/1992CN2108954U Temp. automatic controller for electrothermal mattress
06/1992
06/30/1992US5126537 Control unit and method of making the same
06/30/1992US5126536 Control arrangement for food heating device
06/30/1992US5125572 Hot water heating control system
06/30/1992US5125433 System for electronically controlling the temperature of water delivered to a bath, shower and the like
06/30/1992CA1304337C Electrically controlled fluid mixing fixture, especially for mixing hot and cold water
06/25/1992DE4041328A1 Domestic tea or coffee making machine - has mechanical time-switch using ratchet memory wheel and pawl operated by bimetallic memory wire
06/25/1992DE4040323A1 Thermostatic valve for engine cooling system - is designed to provide limited by=pass flow of coolant
06/25/1992DE4034635C1 Operating electric throughflow heater - setting desired temp. by thermostatic valve in by=pass of heating block contg. elements switchable in power stages by control
06/24/1992EP0491619A2 Method and apparatus for automatic cooking in a microwave oven
06/24/1992EP0490990A1 Vehicular monitoring system.
06/24/1992EP0323486B1 Bushing balance controller
06/24/1992CN2108380U Multifunctional electronic controller
06/24/1992CN2108328U Digital display temp. upper-and lower-limit dual-alarm controller for bean sprout machine
06/24/1992CN2108327U Electronic automatic temp.-controlled leakage of electricity protector
06/23/1992US5125068 Apparatus for controlling heating of fluids utilizing adjustable temperature set point
06/23/1992US5125067 Motor controls, refrigeration systems and methods of motor operation and control
06/23/1992US5124957 Filter alert apparatus
06/23/1992US5123591 Radiator hose with internally mounted thermostat
06/23/1992US5123478 Cooling apparatus for electronic equipment with fail-safe condensation protection
06/23/1992US5123477 Thermal reactor for biotechnological processes
06/23/1992US5123337 Water bath
06/23/1992US5123255 Multi-type air-conditioning system with an outdoor unit coupled to a plurality of indoor units
06/23/1992US5123254 Air conditioning apparatus connecting one outdoor unit with several indoor units through several refrigerant tubes and signal conductors
06/23/1992US5123253 Method of operating a transport refrigeration unit
06/23/1992US5123252 Method of operating a transport refrigeration unit
06/23/1992US5123251 Method of operating a transport refrigeration unit