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)
12/1983
12/27/1983US4423335 Energy controller and method utilizing bi-metal elements to adjust thermostat setting and to shed and restore controlled loads in prioritized order
12/27/1983US4422769 Mixing apparatus for two flowing liquids
12/27/1983US4422571 Proportional motor drive control
12/27/1983US4422444 Solar energy control system and method
12/27/1983US4422303 Process for cooling a continuously moving material to a predetermined temperature
12/22/1983WO1983004465A1 Electric fluid flow heater having precise temperature control
12/20/1983US4421993 Load resistance control circuitry
12/20/1983US4421976 System for monitoring heater elements of electric furnaces
12/20/1983US4421974 Electric rice cooker
12/20/1983US4421271 Zero energy band subbase for pneumatic thermostats
12/20/1983US4421270 Electronic temperature control
12/20/1983US4421269 System for control of water temperature
12/20/1983US4421268 Integrated control system using a microprocessor
12/20/1983US4420965 Cooling effect sensor
12/20/1983US4420947 Heat pump air conditioning system
12/20/1983CA1159098A1 Electric liquid heating apparatus
12/20/1983CA1158860A1 Method and system for automatically controlling vehicle compartment temperature and transducer therefor therefor
12/13/1983US4420811 Water temperature and flow rate selection display and control system and method
12/13/1983US4420693 Load-control system with two-conductor supply circuit
12/13/1983US4420670 Control for dielectric heating in blow molding machine
12/13/1983US4420114 Liquid heating system
12/13/1983US4420113 Method of and system for controlling the operation of a heater
12/13/1983US4420033 System for automatically controlling vehicle compartment temperature and transducer therefor
12/13/1983US4419867 Device for regulating a Joule-Thomson effect refrigerator
12/13/1983US4419866 Transport refrigeration system control
12/13/1983CA1158745A1 Method and apparatus for controlling capacity of a multiple-stage cooling system
12/07/1983EP0095479A1 Electric water heater.
12/06/1983US4419730 Method and system for controlling the setting temperature of a vehicle air conditioner
12/06/1983US4419190 Method and apparatus to measure the operating temperature of solid electrolyte-type gas sensors
12/06/1983US4418744 Air conditioning control system with user power up mode selection
12/06/1983US4418743 Electronic circuit for controlling a heating or air-conditioning apparatus in a motor vehicle
11/1983
11/30/1983EP0095063A2 Control system for immersion heater
11/29/1983US4418271 Control system including a timing mechanism for a drying apparatus
11/29/1983US4417782 Fiber optic temperature sensing
11/29/1983US4417689 Pressure regulator with temperature compensation device
11/29/1983US4417688 Temperature control system for vehicle passenger compartment
11/29/1983US4417687 Multi-blade automatic air register damper
11/29/1983US4417618 Air-conditioner control system for vehicles
11/29/1983US4417450 Energy management system for vending machines
11/29/1983CA1157926A1 Clock thermostat with means for reducing the setback temperature
11/29/1983CA1157649A1 Method and apparatus for controlling an air conditioning unit with multi-speed fan and economizer
11/23/1983EP0094458A1 Temperature distribution regulating sample holder-adapter for forming conditions for gradient heat treatment in heat treatment ovens or furnaces
11/22/1983US4417131 Alternative heating apparatus for use in a heating system having a fuel burner, particularly a forced-air central heating system
11/22/1983US4416416 Two-port thermally responsive valve
11/22/1983US4416324 Vehicle temperature control apparatus
11/16/1983EP0094372A2 Thermostatic valve for a warm water radiator
11/16/1983EP0094208A2 Reactor temperature control systems
11/15/1983US4415800 Method and apparatus for monitoring and controlling heated fusers for copiers
11/15/1983US4414820 Electrical circuit and method of controlling such
11/15/1983CA1157077A1 Hot roll fuser temperature control
11/09/1983EP0093214A1 Power supply circuitry in 2-wire thermostats
11/08/1983US4413776 Reset controller with improved air flow span adjustment
11/08/1983US4413775 Water heater control system
11/08/1983US4413774 Direct drive air register damper
11/08/1983US4413672 Central desk air conditioning control system
11/08/1983US4413596 Engine cooling system with optionally communicable head cooling circuit and block cooling circuit, and method of operating the same
11/08/1983CA1156629A1 Rotary knob for thermostatic valves of radiators
11/02/1983EP0092924A2 Reactor temperature control systems and methods
11/02/1983EP0092703A2 Arrangement for supplementary electric heating in vehicles
11/01/1983US4413175 Heat level indication method and apparatus
11/01/1983US4412737 Position detecting device for a zoom lens of a copying machine
11/01/1983US4412649 Arrangement in climatization systems
11/01/1983US4412648 Control valve assembly for steam radiators
11/01/1983US4412581 Heating installation comprising a boiler and a heat pump
11/01/1983CA1156306A1 Motor control circuit
11/01/1983CA1156300A1 Electric blanket safety circuit
10/1983
10/26/1983EP0092333A1 Valve and system incorporating same
10/26/1983EP0092195A2 Temperature control unit for vehicular air conditioning unit
10/25/1983US4412334 Method of melting vitreous materials and use of the suitable device for the accomplishment of the method
10/25/1983US4411385 Controller for the operation of heaters
10/25/1983US4411306 Thermostat with improved temperature sensing circuit
10/25/1983CA1155948A1 Clothes dryer temperature control system
10/18/1983US4410795 Heating apparatus with programmable timer
10/18/1983US4410135 Controller for a room heating system
10/18/1983US4410133 Two way fluid switchover valve with crossover protection
10/18/1983US4410132 Thermostat with dead zone seeking servo action
10/18/1983US4409958 Water heating method and apparatus
10/18/1983US4409694 Electronic control device for liquids
10/18/1983CA1155527A1 Process control
10/18/1983CA1155432A1 Thermostatic control valve
10/13/1983WO1983003461A1 Low power consumption heat conveyor agent circulation pump,parti cularly for heat pump heatings
10/12/1983EP0090811A1 Self-monitoring heat tracing system
10/11/1983US4409662 Programmable digital temperature controller
10/11/1983US4408713 Control for automobile air conditioning system
10/11/1983US4408712 Apparatus for controlling air conditioners for automobiles
10/11/1983US4408711 Thermostat with adaptive operating cycle
10/11/1983US4408466 Electrical circuit and method of operating such
10/05/1983EP0090760A2 Method and apparatus for controlling the operation of a compressor crankcase heater
10/05/1983EP0090759A2 Thermostat self-test apparatus
10/05/1983EP0090758A2 Timer speedup for servicing an air conditioning unit with an electronic control
10/05/1983EP0090757A2 Field service test for an electronic control
10/05/1983EP0090514A1 A temperature tracking D.C. motor speed controlled fan
10/05/1983EP0090431A2 Energy management system for vending machines
10/04/1983US4408278 Electric control method for automobile air conditioner
10/04/1983US4407448 Temperature sensing valve
10/04/1983US4407447 Energy control system
10/04/1983US4407446 Control for automobile air conditioning system
10/04/1983US4407444 Thermostatically controlled mixer battery
10/04/1983US4407141 Temperature sensing means for refrigerator
10/04/1983US4407139 Method for controlling an air conditioning system
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