Patents for G05D 23 - Control of temperature (28,546) |
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09/01/1992 | US5142880 Automatic fan control (AFC) unit of low cost and durable construction and related progress for improving the efficiency of existing air conditioning systems |
09/01/1992 | US5142877 Multiple type air conditioning system which distributes appropriate amount of refrigerant to a plurality of air conditioning units |
08/26/1992 | CN2114188U Automatic control device of water flow and water temp |
08/25/1992 | US5141760 Heating elements controleld by triacs |
08/25/1992 | US5141153 Energy conservation and anti-scald/burn single handle valve construction |
08/25/1992 | US5140951 Pressure release thermostat |
08/25/1992 | CA1306771C Microprocessor for voltage ramp programmers to obtain minimum programmable voltage increases of a few millivolts |
08/20/1992 | DE4104677A1 Temperature control method for ceramic hotplate - using proximity control and progressive power reduction to approach set temperature |
08/19/1992 | EP0498991A2 Apparatus for regulating the temperature of a liquid |
08/19/1992 | EP0498855A1 Dual mode pneumatic control system. |
08/18/1992 | US5139393 Thermal relief valve |
08/18/1992 | US5139079 Dynamic mechanical analyzer having improved heat transfer |
08/18/1992 | US5138872 Fluid viscoelastic test apparatus and method |
08/18/1992 | US5138844 Condenser fan control system for use with variable capacity compressor |
08/18/1992 | CA1306489C Electric resistance control, namely for an industrial furnace |
08/16/1992 | CA2055742A1 Apparatus for regulating liquid temperature |
08/13/1992 | DE4202600A1 Control circuit for air conditioning system - has time delayed switch=off for compressor to prevent overloading through back-streaming |
08/12/1992 | EP0269693B1 Cryogenic thermal switch |
08/12/1992 | CN1063565A Battery operated computer operation suspension in response to environmental sensor inputs |
08/12/1992 | CN1063398A Automatic constant-temp. controller for high-pressure steam sterilizer |
08/11/1992 | US5138136 Method, circuit and apparatus for supplying an electrical current to a resistive heating element |
08/11/1992 | US5137079 Closed circuit cooling system |
08/11/1992 | US5137051 Control device for a radiator valve |
08/11/1992 | US5136865 Low-temperature storage |
08/06/1992 | WO1992012841A1 Extruder temperature controller and method for controlling extruder temperature |
08/06/1992 | DE4122256A1 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 |
08/06/1992 | DE4103373A1 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 |
08/06/1992 | DE4102677A1 Current step supply for heating conductor for sticking long parts - has measurement and control circuits controlling current according to heating conductor resistance |
08/05/1992 | EP0497546A1 Heating apparatus |
08/05/1992 | EP0497269A2 Mixing faucet having remote temperature control |
08/05/1992 | CN2112172U Intermittent wind auto-controller of electrical fan |
08/04/1992 | US5135163 Three-way temperature regulator valve containing separate valve assemblies |
08/04/1992 | US5135048 Active temperature differential control |
08/04/1992 | US5135045 Space temperature control system and control method thereof |
08/02/1992 | WO1992014086A1 A mixer valve regulating unit, and a regulating unit piston slide |
08/01/1992 | CA2056747A1 Mixing faucet having remote temperature control |
07/29/1992 | EP0496549A2 Power control system adaptable to a plurality of supply voltages |
07/29/1992 | EP0496534A2 Battery operated personal computer |
07/29/1992 | EP0496104A1 Sanitary mixing valve |
07/29/1992 | CN2111536U Temp. control device of fan |
07/29/1992 | CA2060087A1 Seal oil temperature control method and apparatus |
07/26/1992 | CA2057148A1 Power control system adaptable to a plurality of supply voltages |
07/23/1992 | DE4201020A1 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 |
07/23/1992 | DE3704534C1 Schaltungsanordnung fuer temperaturabhaengige Heizelemente Circuit arrangement for temperaturabhaengige heating elements |
07/22/1992 | EP0495745A2 HVAC low power usage circulation blower |
07/22/1992 | EP0495464A2 Refrigeration temperature control system |
07/22/1992 | EP0495463A2 Refrigeration pull down technique |
07/22/1992 | EP0495118A1 Method and device for computing estimated mean temperature sensation |
07/22/1992 | EP0495117A1 Method of computing equivalent temperature and instrument for environment measurement |
07/21/1992 | US5131457 Protection system for heat pipe airheaters |
07/21/1992 | US5131237 Control arrangement for a refrigeration apparatus |
07/19/1992 | CA2059105A1 Hvac low power usage circulation blower |
07/16/1992 | DE4200316A1 Refrigerating medium handling system - has valve regulating flow through evaporator to minimise overheating of medium |
07/16/1992 | CA2059325A1 Refrigeration temperature control system |
07/16/1992 | CA2059324A1 Refrigeration pull down technique |
07/14/1992 | US5130920 Adaptive process control system, especially for control of temperature of flowing fluids |
07/14/1992 | US5129577 Sealing means for a thermostat |
07/14/1992 | US5129576 Thermostatic pressure balanced valve assembly |
07/14/1992 | US5129233 Automatic operation control system for air conditioner |
07/14/1992 | CA1305109C Thermo-actuator |
07/08/1992 | EP0493537A1 Compact filling device for adjustable quantities of water for domestic use |
07/07/1992 | US5128521 Microcomputer controlled toaster |
07/07/1992 | US5128517 Temperature controlled fluid ciruclating system |
07/07/1992 | US5128516 Heating element control |
07/07/1992 | US5127575 Supervisory control unit for electrical equipment |
07/07/1992 | US5127237 Expansion valve |
07/02/1992 | DE4042123A1 Coolant circuit with heater for vehicle engine |
07/01/1992 | EP0493366A2 Method for controlling the heating of a cooker heating body and device for controlling the power to at least one such body |
07/01/1992 | EP0492324A2 Temperature control device for the passenger compartment of a motor vehicle |
07/01/1992 | EP0492241A1 Soupape thermostatique |
07/01/1992 | EP0492100A2 Sensing element for a state dependent device for switching, controlling or steering |
07/01/1992 | EP0491820A1 Adjustment device and method for cooking apparatus. |
07/01/1992 | EP0491815A1 Steam/water mixer |
07/01/1992 | CN2108954U Temp. automatic controller for electrothermal mattress |
06/30/1992 | US5126537 Control unit and method of making the same |
06/30/1992 | US5126536 Control arrangement for food heating device |
06/30/1992 | US5125572 Hot water heating control system |
06/30/1992 | US5125433 System for electronically controlling the temperature of water delivered to a bath, shower and the like |
06/30/1992 | CA1304337C Electrically controlled fluid mixing fixture, especially for mixing hot and cold water |
06/25/1992 | DE4041328A1 Domestic tea or coffee making machine - has mechanical time-switch using ratchet memory wheel and pawl operated by bimetallic memory wire |
06/25/1992 | DE4040323A1 Thermostatic valve for engine cooling system - is designed to provide limited by=pass flow of coolant |
06/25/1992 | DE4034635C1 Operating electric throughflow heater - setting desired temp. by thermostatic valve in by=pass of heating block contg. elements switchable in power stages by control |
06/24/1992 | EP0491619A2 Method and apparatus for automatic cooking in a microwave oven |
06/24/1992 | EP0490990A1 Vehicular monitoring system. |
06/24/1992 | EP0323486B1 Bushing balance controller |
06/24/1992 | CN2108380U Multifunctional electronic controller |
06/24/1992 | CN2108328U Digital display temp. upper-and lower-limit dual-alarm controller for bean sprout machine |
06/24/1992 | CN2108327U Electronic automatic temp.-controlled leakage of electricity protector |
06/23/1992 | US5125068 Apparatus for controlling heating of fluids utilizing adjustable temperature set point |
06/23/1992 | US5125067 Motor controls, refrigeration systems and methods of motor operation and control |
06/23/1992 | US5124957 Filter alert apparatus |
06/23/1992 | US5123591 Radiator hose with internally mounted thermostat |
06/23/1992 | US5123478 Cooling apparatus for electronic equipment with fail-safe condensation protection |
06/23/1992 | US5123477 Thermal reactor for biotechnological processes |
06/23/1992 | US5123337 Water bath |
06/23/1992 | US5123255 Multi-type air-conditioning system with an outdoor unit coupled to a plurality of indoor units |
06/23/1992 | US5123254 Air conditioning apparatus connecting one outdoor unit with several indoor units through several refrigerant tubes and signal conductors |
06/23/1992 | US5123253 Method of operating a transport refrigeration unit |
06/23/1992 | US5123252 Method of operating a transport refrigeration unit |
06/23/1992 | US5123251 Method of operating a transport refrigeration unit |