Automatic temperature and humidity regulation – With timing element – Timer other than clock
Patent
1979-11-15
1982-02-16
Wayner, William E.
Automatic temperature and humidity regulation
With timing element
Timer other than clock
236 94, 337301, F23N 520, G05D 2300
Patent
active
043155952
ABSTRACT:
A temperature control and monitoring device for a heater of a building having a plurality of separate areas comprising, a motor having a shaft rotatable at constant speed, a disc connected to the shaft having a pluraliity of radially extending slots, a pin slidably mounted in each of the slots, a temperature indicator having a shaft rotatable by a change in temperature and responsive to a temperature sensed by temperature sensing members, a plurality of temperature sensing members, each in one of the separate areas, for sensing the temperature in each of the areas respectively connected to the temperature indicator and a selector device connected between each of the temperature sensing members and the temperature indicator for selectively connecting one of the sensing members at a time for a predetermined time period and at predetermined intervals to the temperature indicator. A control arm extends from and is connected to the indicator shaft and is engagable with at least one of the pins with a circuit connected to the control arm and the pins and also to the heater for starting the heater when the temperature indicator shaft rotates to permit the engagement between the control arm and at least one of the pins in response to a temperature sensed by the connected sensing member. The pins are positioned on the disc in a pattern to produce a selected temperature control for each full revolution of the motor which usually corresponds to one full day so that the heater is controlled according to temperatures sampled from each of the separate areas. A recording disc can also be connected to the first mentioned disc with a pen connected to the indicator shaft for keeping a permanent record of temperature variations among the separate areas.
REFERENCES:
patent: 2279107 (1942-04-01), Cahn
patent: 3258552 (1966-06-01), Harris
Michalos Constantine A.
Michalos Peter C.
Wayner William E.
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