Patents for G05D 23 - Control of temperature (28,546)
06/1981
06/02/1981US4270362 Control system for an air conditioning system having supplementary, ambient derived cooling
06/02/1981US4270361 Energy management controller for centrifugal water chiller
06/02/1981CA1102431A1 Programmable time varying control system and method
06/02/1981CA1102430A1 Temperature-sensitive control circuits
05/1981
05/27/1981EP0029197A1 System for the sequential control of a heating capacity conveyed to a flowing medium
05/27/1981EP0029159A1 Electrically heated household baking oven
05/27/1981EP0029129A1 Two-port thermally responsive valve
05/26/1981US4269351 Proportional stroke automatic temperature control system
05/26/1981US4269350 Thermostatic fluid valve with power element extension and method of constructing same
05/26/1981US4269261 Microcomputer control for supplemental heating in a heat pump
05/20/1981EP0028794A1 Arrangement for monitoring the functioning of a heating arrangement
05/19/1981USRE30619 Control system and method and control device therefor
05/19/1981US4268884 Current sensing circuit
05/19/1981US4267968 Pneumatic control system and parts therefor and methods of making the same
05/19/1981US4267967 Two-speed automatic control of supply fans
05/19/1981US4267966 Programmable thermostat
05/19/1981US4267711 Control system for laundry appliance
05/19/1981US4267704 Timing circuit for air conditioner chiller
05/13/1981EP0028444A1 Mixing valves
05/12/1981US4267434 Method of and apparatus for heat processing photosensitive material
05/12/1981US4267432 Installation circuitry for electric water heaters
05/12/1981US4267429 Apparatus for activating shoe assembly cement
05/12/1981US4267406 Apparatus utilizing portions of a conventional telephone installation for selectively controlling electrically operated, temperature regulating equipment
05/12/1981US4266599 Method and apparatus for controlling comfort conditions including setback
05/12/1981US4266556 Electrically heated sweat collection device and method
05/06/1981EP0028023A1 Apparatus and method for controlling the reactor temperature profile and the reactants feed stream
05/06/1981EP0027933A1 Thermostatic valve, especially thermostatic valve for a heating radiator
05/05/1981US4266118 Cooking control circuit for cooking range
05/05/1981US4265396 Control system for central heating
05/05/1981US4265395 Temperature control apparatus for an automobile air conditioner
05/05/1981US4265299 Heat pump control system
05/05/1981US4265298 Microcomputer control for supplemental heating with night set-back
05/05/1981CA1100320A1 Hot gas bypass control for centrifugal liquid chillers
04/1981
04/30/1981WO1981001118A1 A process and a device for hot working
04/28/1981US4264802 Thermocouple, multiple junction reference oven
04/28/1981US4264035 Dual reset controller
04/28/1981US4264034 Digital thermostat
04/28/1981US4263931 Multiple load integrated fluid control units
04/21/1981US4263501 Variable proportioning control apparatus
04/21/1981US4262844 Control valve
04/21/1981US4262738 Air conditioning apparatus for vehicle
04/21/1981US4262737 Extruder temperature controller
04/16/1981WO1981001062A1 Arrangement for the choke control of the heat output of a heating radiator
04/16/1981WO1981001021A1 Laundry iron with heat accumulation
04/15/1981EP0026939A1 Hand iron with heat storage
04/14/1981US4261509 Pneumatic switch control for pneumatic actuator in air conditioning control systems
04/14/1981US4261180 Refrigerator
04/14/1981CA1099369A1 Temperature control system for refrigeration apparatus
04/14/1981CA1099243A1 Temperature responsive valve
04/08/1981EP0026612A1 Electrical control method and system for an automobile air conditioner
04/07/1981US4260876 Dew point differential power controller
04/07/1981US4260225 Energy saving radiant insulative device
04/07/1981US4259847 Stepped capacity constant volume building air conditioning system
04/07/1981CA1098996A1 Power demand limiting system
04/07/1981CA1098967A1 Thermostatically controlled fluid valve for microwave devices
03/1981
03/31/1981US4259722 Electric control method and apparatus for automobile air conditioner
03/31/1981US4259655 Adjustable thermostat
03/31/1981US4258899 Actuating apparatus for adjusting a movable element, particularly the closure member of a valve
03/31/1981US4258877 Damper blade control
03/31/1981US4258569 Self-regulated device for temperature stabilization of at least one connection point, and temperature-controlled plug-in connector for the use of said device
03/25/1981EP0025756A1 Temperature control circuit for a cooking oven, especially for domestic use
03/25/1981EP0025655A1 Fluid temperature control
03/25/1981EP0025592A1 An apparatus for and a method of air conditioning vehicles by controlling circulation of inside air and introduction of outside air
03/24/1981US4257555 Thermostat assembly
03/24/1981US4257553 Valve construction and method of making the same
03/24/1981US4257552 Method and apparatus for controlling the flow of a temperature regulating fluid
03/24/1981US4257395 Fluid flow controller
03/24/1981US4257238 Microcomputer control for an inverter-driven heat pump
03/24/1981US4257237 Electrical control circuit for ice making machine
03/24/1981CA1098191A1 Split bushing control
03/17/1981US4256951 Repetition rate power control for appliance using high current inrush elements
03/17/1981US4256258 Temperature monitor and alarm system
03/17/1981US4256089 Drain down freeze prevention control system for a solar collector
03/11/1981EP0024855A2 Sensory isolation tanks
03/11/1981EP0024613A1 Hand iron heated by electricity
03/10/1981US4255655 Temperature sensing switch with an optical sensor
03/10/1981US4255133 Method for controlling furnace temperature of multi-zone heating furnace
03/10/1981US4254906 Thermostat with simulated heat anticipation
03/10/1981US4254634 Control valve to be employed for refrigerator and air conditioner
03/10/1981US4254633 Control apparatus for an air conditioner
03/10/1981CA1097395A1 Expansion box temperature regulator for electric appliances
03/03/1981US4254343 Dual load control apparatus
03/03/1981US4253604 Pneumatic control means for a vehicle heat exchanger system or the like
03/03/1981US4253311 Control system for a mobile absorption refrigerating apparatus
03/03/1981CA1096953A1 Remote istrumentation apparatus
02/1981
02/24/1981US4253153 Energy conservative control of terminal reheat heating, ventilating, and air conditioning (HVAC) systems
02/24/1981US4252751 Fan control system for cooling apparatus
02/24/1981US4252270 Thermostat
02/19/1981WO1981000446A1 Method and apparatus for controlling capacity of a multiple-stage cooling system
02/17/1981US4251717 Heating circuits
02/17/1981US4250956 Vehicle air conditioning apparatus
02/17/1981CA1095969A1 Hot roll fuser early closure inhibitor
02/11/1981EP0023724A1 Pressure-cooker with device for regulating the cooking-time
02/10/1981USRE30514 Thermally self-protected power switching semiconductor device
02/10/1981US4249696 Charging circuit for battery in thermostat with battery operated timer
02/10/1981US4249695 Thermally actuated modulating valve, and assemblies and systems utilizing the same for providing temperature controlled heated water
02/10/1981CA1095574A1 Method and device for controlling the temperature variation in a potter's oven
02/03/1981US4249068 Method and apparatus for controlling heat energy of a bonding transformer
02/03/1981US4248377 Controllable heating means for small masses, particularly the expansion medium in heat setting apparatuses
02/03/1981US4248375 Clock thermostat apparatus having means for reducing the setback temperature when the normal temperature selection is turned down