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)
10/1989
10/10/1989US4873649 Method for operating variable speed heat pumps and air conditioners
10/10/1989US4873621 Method of regulation and regulating device for an apparatus or group of apparatuses, as well as an apparatus having a regulating device
10/05/1989WO1989009437A1 Reaction temperature control
10/05/1989WO1989009312A1 Electronic tapware
10/05/1989DE3909261A1 Control system for electric hotplate and oven - has piezoelectric relays and programmed control
10/04/1989EP0358635A4 Energy management control apparatus.
10/04/1989EP0335743A2 Improved versatile interface means for computer-based control systems
10/04/1989EP0335485A2 Flow control systems and/or laundry machines including such flow control systems
10/04/1989CN2045509U Remote-controlled temp. warner for rotation machines
10/04/1989CN2045238U Temp. autocontrol warning electric kettle
10/03/1989US4872213 Versatile interface means for computer-based control systems
10/03/1989US4870986 Dispensing system
09/1989
09/28/1989DE3907435A1 Electrically heated through-flow water heater
09/27/1989EP0334200A1 Process for heating elongated stock
09/27/1989EP0333916A2 Method for the temperature regulation of resistance-heating conductors
09/27/1989EP0333763A1 Control device for a radiator valve.
09/27/1989CN2045132U Thermostatic controller
09/26/1989US4869427 Shower system
09/26/1989US4869233 Boiling condition detector
09/26/1989US4869073 Air conditioner with automatic selection and re-selection function for operating modes
09/26/1989CA1261229A1 Mixing valve apparatus
09/26/1989CA1261173A1 Liquid bath temperature control
09/26/1989CA1261171A1 Heat/cool comfort controller
09/26/1989CA1260730A1 Water mixer fitting, in particular a single-lever mixer fitting
09/26/1989CA1260111A1 Programmable thermostat
09/21/1989WO1989008773A1 Vehicle engine coolant system and method of making the same
09/21/1989DE3906829A1 Electrically-heated flow-type water heater
09/21/1989DE3905751A1 Process and apparatus for the temperature control of moulds for the processing of thermoplastic materials
09/21/1989DE3808241A1 Immersion heating rod with thermally self-regulating output for wind power plants
09/21/1989DE3807731A1 Device for the regulation or control of the position of an actuator, especially an actuator for the control of the temperature of the interior or the headlamp range of motor vehicles
09/20/1989EP0333687A2 Fail-safe thermostat for vehicular system
09/20/1989EP0333571A1 Control device for the successive initiations of loads
09/20/1989EP0333233A2 Method for detecting heater circuit malfunctions in a multi-component hot melt heating system
09/20/1989EP0332957A1 Heating control device
09/20/1989CN2044746U Memonic controller for temp. relay alarm
09/20/1989CN1035750A Electronic fluorescent lamp with overheat step-down circuit
09/19/1989US4868486 AC power control apparatus
09/19/1989US4868412 Distributed control system
09/19/1989US4868368 Heated roller temperature control system
09/19/1989US4867375 Temperature-adjustable water supply system
09/19/1989US4867344 Pressurized dispenser
09/19/1989CA1259651A1 Multi-zone heater arrangement and method for controlling the temperature of a flowing medium
09/13/1989CN2044336U Electronic temp. controlled protector
09/12/1989US4865987 Monitoring the temperature-dependent growth of microbes
09/12/1989US4865986 Gene amplification
09/12/1989US4865249 Safety device
09/12/1989US4865119 Air conditioner system for automotive vehicles
09/12/1989CA1259375A1 Method of checking channel connections and detecting heater circuit and temperature sensor malfunctions in multi-channel closed loop hot melt heating systems
09/12/1989CA1259293A1 Radiator thermostat valve with theft preventing means
09/07/1989DE3834438C1 Heating-system valve with a thermally influenceable regulating drive
09/07/1989DE3807021A1 Room temperature controller designed to have a comforting (cosiness) effect
09/06/1989EP0331423A2 Heat-responsive element for fire protection sprinklers or the like
09/06/1989CN2044013U Electric fan controlled by temp.
09/06/1989CN1035236A Cooking apparatus
09/05/1989US4864274 Remote reading thermostat
09/05/1989US4863871 Method and device for adjusting the cooling temperature of a sample trap in an apparatus for gas chromatographic analysis
09/05/1989US4863698 Heaters for sterilization of contact lenses
09/05/1989US4863099 Thermodynamic electronic actuator for building heating/air conditioning system
09/05/1989US4863097 Thermostatic mixing valve
08/1989
08/31/1989DE3826329C1 Equipment for the determination and control of the temperature of an interior space
08/31/1989DE3805385A1 Apparatus for holding constant the temperature of substrates
08/30/1989EP0329952A2 Cooking apparatus
08/30/1989EP0329922A2 Apparatus and method for controlling a drying cycle of a clothes dryer
08/30/1989CN2043740U Duct-thermostat for refrigerator using computor
08/30/1989CN2043504U Adjustable thermostatic infusion device
08/29/1989US4861967 Card controlled soldering iron temperature control device
08/29/1989US4860950 Remote controlled thermostat
08/29/1989US4860782 Reducing valve equipped with a vapor-liquid separator
08/24/1989WO1989007791A1 Device for bypassing heat exchange flow conduits
08/24/1989DE3804442A1 Circuit arrangement for temperature-dependent heating elements
08/23/1989CN2043386U Temp. controller of electric heater
08/22/1989US4859834 Power controller for heat tracing cable which responds to ambient temperature
08/22/1989US4858824 Air conditioner
08/22/1989US4858676 Airconditioning system for a vehicle
08/22/1989US4858518 Control apparatus for automobile air conditioning systems
08/16/1989EP0328502A2 Method for equalizing the temperature profile of a variable-crown roll and a variable-crown roll intended for carrying out the method
08/16/1989EP0328151A2 Heating control method, particularly for a thawing device in a refrigeration installation
08/16/1989EP0328025A2 Input and display arrangement of control valves, specially for cooking appliances
08/16/1989EP0327956A1 Method for inducing an electrical control signal in a device for the preparation of medicinal-therapeutic doses
08/16/1989CN2042979U Precise temp. controller
08/16/1989CN2042978U Electronic temp. controller
08/16/1989CN2042945U Automatic constant temp. device for cold-hot water
08/16/1989CN1034661A Suit with air-conditioning function
08/15/1989US4858155 Reaction temperature control system
08/15/1989US4858119 Intelligent cooking appliance
08/15/1989US4857918 Fault diagnostic apparatus for electric appliance
08/15/1989US4856711 Double seal thermostat
08/15/1989US4856710 Dual air conditioner for a vehicle
08/15/1989US4856287 Temperature controller and method of temperature control for use in a refrigerating device
08/15/1989CA1258385A1 Programmed temperature control of a thermal system
08/10/1989WO1989006927A1 Electric toaster
08/10/1989DE3802995A1 Process for controlling the welding operation in the production of a spigot joint
08/10/1989DE3802928A1 Automatic heating and ventilation, controlled by the actual "nominal" heating energy utilisation coefficient, for constant, predetermined, desired interior temperatures
08/09/1989CN2042610U Temp. controller
08/08/1989US4855572 Heater for use as either primary or auxiliary heat source and improved circuitry for controlling the heater
08/08/1989US4854499 Temperature sensitive shower diverter valve and method for diverting shower water
08/08/1989US4854498 Shower temperature control system
08/08/1989US4854348 Single cylinder type switching valve for mixing hot and cold waters
08/08/1989CA1258308A1 Hot water heating system having minimum hot water use based on minimum water temperatures and time of heating
08/02/1989EP0326431A2 Control device for an air conditioner
1 ... 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 ... 286