Patents for G05D 23 - Control of temperature (28,546)
09/1981
09/09/1981EP0035407A2 Glow plug control system for a Diesel engine
09/09/1981EP0035197A1 Device for heating flat thermoplastic semi-finished goods
09/09/1981EP0035079A1 Thermostat assembly for engine cooling systems
09/08/1981US4288854 Bi-modal temperature controller
09/08/1981US4288853 Digital temperature control system
09/08/1981US4288404 Coolant flow regulator
09/08/1981US4288271 Temperature control apparatus
09/08/1981US4288033 Control valve assembly
09/08/1981US4288031 Thermostatic control valve
09/08/1981US4287939 Air conditioning control system with local and remote control capabilities
09/08/1981US4287909 Valve for developing variable output pressure
09/08/1981CA1108724A1 Apparatus for conserving energy in electrical appliances
09/02/1981EP0034971A1 Remote programming device for a central heating installation
09/02/1981EP0034591A1 Apparatus for controlling capacity of a multiple-stage cooling system.
09/01/1981US4286750 Thermostatic valve device having non-linear flow characteristics
09/01/1981US4286749 Automatic fluid mixing valves
08/1981
08/26/1981EP0034535A1 Electronic thermostat, especially for electric convector control
08/26/1981EP0034373A1 Apparatus for controlling an air conditioner for a vehicle
08/25/1981US4286140 Apparatus for raising a liquid to a given temperature
08/25/1981US4285467 Three-port thermally responsive valve
08/25/1981US4285466 Apparatus for mixing high and low pressure air from a jet engine
08/25/1981US4285465 Thermostatic devices
08/25/1981US4285207 Air conditioning apparatus comprising refrigerant shortage sensor
08/25/1981CA1107843A2 Time controlled thermostat
08/25/1981CA1107842A1 Control system for cooling tower fans
08/25/1981CA1107841A1 Thermostat, method of operating, and method of heating a temperature sensing means
08/19/1981EP0033822A1 A process and a device for hot working
08/18/1981US4284237 Air conditioning control system with master and tracking controllers
08/18/1981US4284236 Air conditioning system
08/18/1981US4284126 Environmental control system for a multiple room structure
08/18/1981US4283921 Control and alarm system for freezer case temperature
08/18/1981US4283920 Refrigerating device
08/18/1981US4283823 Method of making an actuating member for a thermostatically controlled valve
08/12/1981EP0033593A2 Power control apparatus
08/12/1981EP0033499A2 Heat indication method and device
08/11/1981US4283638 Field effect transistor switched temperature control circuit
08/11/1981US4283009 Control valve for fluid-operated clutch
08/11/1981US4283008 Pressurized signal control apparatus
08/11/1981US4283007 Multiple load integrated fluid control units
08/11/1981US4283006 Thermally-activated closure device
08/11/1981US4282718 Evaporator inlet water temperature control system
08/11/1981CA1106813A1 Control devices for heaters
08/04/1981US4282423 Deep fat fryer having a solid-state control circuit
08/04/1981US4282422 Power control for appliance using multiple high inrush current elements
08/04/1981US4281790 Safety shower head
08/04/1981US4281708 Automatic thermal switch
08/04/1981US4281686 Three way butterfly valve
08/04/1981CA1106511A1 Means for correlation of digital display of a setpoint and an actual controlled value
08/04/1981CA1106430A1 Device for heating to consumption temperature a liquid commestible product sealed in a disposable container
07/1981
07/29/1981EP0032735A2 Method and system for controlling a vehicle-mounted air conditioner
07/28/1981US4281237 Safety circuit for electric bedcover
07/28/1981US4280655 Automotive thermostatic valve
07/28/1981US4280654 Thermostat construction with an annular sealing member
07/28/1981US4280330 Vehicle heating and cooling system
07/28/1981CA1106042A1 Means and method for controlling the operation of a drying apparatus
07/23/1981WO1981002058A1 Heat cooker
07/21/1981CA1105263A1 Method and apparatus for controlling comfort conditions including setback
07/15/1981EP0032112A1 Thermostat device for valve control
07/15/1981EP0031870A2 Device for measuring very small temperature differences over micrometric distances
07/15/1981EP0031861A2 Process for regulating an electric heating system and device for putting it into use
07/14/1981US4278873 Temperature-responsive control means
07/14/1981US4278872 Temperature controller with pulsed heating during idle
07/08/1981EP0031560A2 Device for lowering the temperature of radiators
07/08/1981EP0031518A1 Automobile Air-Conditioning Control Apparatus
07/08/1981EP0031516A2 Control device for electric heating devices
07/07/1981US4277784 Switch scanning means for use with integrated circuits
07/07/1981US4277672 Control circuit for controlling quantity of heat to electrically heatable windshield
07/07/1981US4277671 Temperature control system for electric heating appliance
07/07/1981US4277670 Temperature control system for electric heating apparatus
07/07/1981US4277019 Electrically-controlled damper
07/07/1981US4277018 Clock thermostat apparatus for resetting the temperature of a space during selected time periods with means for varying the pickup time as a function of the drop in space temperature during the setback period
07/07/1981US4276925 Electronic temperature control system
07/07/1981US4276754 Refrigerator control and system
07/07/1981CA1104539A1 Adjustment control for a thermostatic valve
06/1981
06/30/1981US4276506 Motor control circuit
06/30/1981US4275987 Adjustable surge and capacity control system
06/30/1981US4275508 Clothes dryer temperature control system
06/30/1981CA1104237A1 Air conditioning control and method of operation
06/23/1981US4274475 Control apparatus for regulating building perimeter temperature change system
06/23/1981US4274474 Hydraulic control and drive device for rotary heat exchanger
06/23/1981US4274265 Method and apparatus for automatically operating car-mounted air-conditioner
06/17/1981EP0030372A2 Electrophotographic copier
06/16/1981US4274145 Digital thermostat
06/16/1981US4273150 Leverless pressure transducer
06/16/1981CA1103336A1 Plural load power controller with time shared processor
06/10/1981EP0029922A2 Heating control device
06/09/1981US4272823 Control system for a reactor
06/09/1981US4272671 Temperature control system for electric surface heater
06/09/1981US4272013 Vent control arrangement for combustion apparatus
06/09/1981US4272012 Method and system for controlling a plurality of temperature conditioning units
06/09/1981US4271898 Economizer comfort index control
06/09/1981US4271859 Temperature sensor
06/09/1981CA1102766A1 Thermostatic control valve
06/09/1981CA1102765A1 Snap action thermally responsive fluid control valve
06/03/1981EP0029810A1 Method and device for regulating the temperature in a dryer, particularly a clothes dryer
06/03/1981EP0029761A1 Mixing valve for continuous-flow heater
06/02/1981US4271106 Resin curing
06/02/1981US4270694 Fluid flow regulating systems
06/02/1981US4270693 Electronic thermostat with heat anticipation and control method incorporating same
06/02/1981US4270597 Thermostat and circuit