Patents for G05D 23 - Control of temperature (28,546) |
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02/19/1980 | US4189093 Apparatus for regulating the temperature of a compartment or space |
02/19/1980 | US4189092 Damper control for preventing spread of fire and smoke through an induction mixing box |
02/19/1980 | US4189091 Furnace having a normally closed blower relay |
02/12/1980 | CA1071714A1 Thermoelectric temperature control apparatus |
02/07/1980 | WO1980000201A1 Programmable controller |
02/06/1980 | EP0007775A1 Electric control method and apparatus for automobile air conditioning system |
02/06/1980 | EP0007612A1 Temperature regulation apparatus for a space heated by a heat pump |
02/06/1980 | EP0007497A1 Air conditioning system and method for heating and cooling an enclosure |
02/05/1980 | US4187543 Temperature control of chill water and steam in heating, ventilation, air conditioning (HVAC) systems |
02/05/1980 | US4187093 Refrigerator electronic temperature control and malfunction signal apparatus |
02/05/1980 | US4186875 Two-temperature pneumatic thermostat control system and unit therefor |
02/05/1980 | US4186874 Targeting thermostat |
02/05/1980 | CA1071279A1 Extension thermostat for electric heating element control |
01/29/1980 | US4186315 Expanded time constant condition control system using a unidirectional counter with multiple channels |
01/29/1980 | US4186295 Control system for a chromatography apparatus oven door |
01/29/1980 | US4185772 Condition response differential vacuum regulator and method of making the same |
01/29/1980 | US4185771 Water mixing valve with temperature regulation, temperature setting and volume control |
01/29/1980 | US4185769 Exhaust flue damper and control system therefor |
01/29/1980 | US4185663 Condition responsive by-pass valve construction |
01/29/1980 | US4185632 Surgical instrument having self-regulated electrical skin-depth heating of its cutting edge and method of using the same |
01/23/1980 | EP0006942A1 Adjustable thermostatic mixing tap |
01/22/1980 | US4184635 Control units for heating systems |
01/22/1980 | US4184634 Closed loop control for automatic temperature control system |
01/22/1980 | US4184633 Bimetal controlled actuator |
01/15/1980 | USRE30190 Electrically heated surgical cutting instrument |
01/15/1980 | US4184067 Heat control apparatus |
01/15/1980 | US4183466 Thermally actuated phase change operated control valve for heat pump systems |
01/15/1980 | US4183397 Vehicle air conditioning device |
01/15/1980 | US4183251 Timer mechanism |
01/15/1980 | CA1070001A1 Control system to check power consumption of an electric distribution network |
01/15/1980 | CA1069707A1 Add-on unit for automatically adjusting a thermostat |
01/09/1980 | EP0006660A1 Process and apparatus for adjusting and maintaining a fixed bend of a doctor support, exposed on one of its long sides to unilateral heating and cooperating with a cylinder, particularly a smoothing or drying cylinder of a paper-making machine |
01/09/1980 | EP0006383A1 Central heating installation with local control |
01/08/1980 | US4182488 Pressure regulator |
01/08/1980 | US4182485 Thermally responsive valve |
01/08/1980 | US4182484 Temperature control for variable volume air conditioning system |
01/08/1980 | US4182309 Control circuit for solar energy heating systems |
01/08/1980 | US4182183 Thermistor circuit |
01/01/1980 | US4181957 Means for correlation of digital display of a setpoint and an actual controlled value |
01/01/1980 | US4181438 Direct temperature control and measurement for furnace atomizers in atomic spectroscopy |
01/01/1980 | US4181254 Pneumatically and temperature controlled valve construction |
01/01/1980 | US4181252 Thermostatically controlled mixing valve for sanitary devices |
01/01/1980 | US4181106 Engine control system and a differential vacuum regulator therefor or the like |
01/01/1980 | CA1069201A Process fluid circulation and temperature control system |
12/25/1979 | US4180789 Time variable thermostat |
12/25/1979 | US4180722 Liquid heating device |
12/25/1979 | US4180209 Solar energy operated system and method |
12/25/1979 | US4180208 Temperature limiting shower control valve |
12/18/1979 | US4178898 Thermostatic valve for intake air temperature compensation for internal combustion engine |
12/13/1979 | WO1979001058A1 Heating apparatus |
12/13/1979 | WO1979001051A1 Improved refrigeration means and methods |
12/11/1979 | US4178579 Remote instrumentation apparatus |
12/11/1979 | US4177924 Condition responsive valve construction and method of making the same |
12/11/1979 | US4177923 Battery operated thermostat timer with battery charging circuits |
12/04/1979 | US4176786 Concealed thermostatic control valve |
12/04/1979 | US4176785 Automatic temperature controller with night setback and operating as a function of outside air |
12/04/1979 | US4176784 Dual action control mechanism |
12/04/1979 | US4176554 Method and apparatus for obtaining the temperature profile of a kiln |
11/27/1979 | US4175697 Thermally actuated phase change operated control valve for use in an energy conservation system |
11/27/1979 | US4175696 Thermostatic valve |
11/27/1979 | CA1067185A1 Entry-controlled energy system |
11/27/1979 | CA1067058A1 Analog displacement type electromagnetic valve |
11/20/1979 | US4175283 Batch option module |
11/20/1979 | US4174807 Autocycling control circuit for heating and/or air conditioning systems |
11/13/1979 | US4174517 Central system for controlling remote devices over power lines |
11/13/1979 | US4174511 Bimetal device with an electrical heating element |
11/13/1979 | US4174065 Fluid flow regulating systems |
11/13/1979 | US4174064 Energy control system providing selective control of remote zone heating or cooling from a central location |
10/31/1979 | EP0005048A1 Cryostat |
10/31/1979 | EP0005031A1 Temperature regulator assembly |
10/30/1979 | US4172982 Time proportional control means with a variable time constant |
10/30/1979 | US4172555 Adaptive electronic thermostat |
10/23/1979 | US4171768 Thermostat unit for central heating radiators |
10/23/1979 | US4171767 Engine cooling system thermostat and method of making the same |
10/23/1979 | CA1065035A1 In-line energization and de-energization of an external load in series with an external source of electricity in response to externally sensed parameters |
10/23/1979 | CA1064700A1 Thermostatically actuated regulator for a 4-lead air-conditioning plant |
10/16/1979 | US4171087 Control valve |
10/09/1979 | US4170729 Control systems for or in association with storage heaters |
10/09/1979 | US4170339 Analog displacement type electromagnetic valve |
10/09/1979 | CA1063992A1 Concealed thermostatic valve control |
10/03/1979 | EP0004525A1 Control unit for starting operation of a conditioning equipment which is effective to influence the temperature in a building |
10/03/1979 | EP0004524A1 Control unit for starting a climatization procedure in a building |
10/03/1979 | EP0004506A2 Device for heating a liquid to a given temperature |
10/03/1979 | EP0004448A1 Method and apparatus for control of a cooling system |
10/02/1979 | CA1063699A1 Automatic interior environment control |
10/02/1979 | CA1063654A1 Temperature regulator and safety thermostat |
09/25/1979 | US4168608 Combined cycle electric power plant with coordinated steam load distribution control |
09/20/1979 | WO1979000697A1 A thermostatic mixing valve |
09/20/1979 | WO1979000691A1 Thermostat control for heating and/or cooling system |
09/19/1979 | EP0004233A1 Temperature control device for a housing containing an oscillating piezoelectric cristal |
09/19/1979 | EP0004035A1 Soldering device with temperature control |
09/18/1979 | US4168522 Light emission control for gas-discharge lamp |
09/18/1979 | US4168456 Apparatus for controlling an electric motor for driving a cooling fan of an internal combustion engine |
09/18/1979 | US4167966 Air conditioner blower control |
09/18/1979 | US4167858 Refrigerant deficiency detecting apparatus |
09/18/1979 | CA1062796A1 Hot/cold applicator system |
09/18/1979 | CA1062688A1 Valve, especially a radiator valve |
09/11/1979 | US4167696 Zero phase switching for multi-phase systems |
09/11/1979 | US4167663 Blood warming apparatus |
09/11/1979 | CA1062332A1 Control circuit for a power switching element |