Control system and control device for controlling a heating unit

Details Control system and control device for controlling a heating unit Control system and control device for controlling a heating unit

1985-03-08

1987-01-20

Paschall, M. H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219491, 219513, 219508, 337 1, 337117, 338 40, 338 41, H05B 102

Patent

active

046381481

ABSTRACT:
A control system and control device for controlling a heating unit and method of making the control device are provided, the control device having a rod and tube temperature sensing unit for providing linear motion of a part thereof along a substantially straight linear path in relation to the temperature being sensed by the temperature sensing unit and having a potentiometer unit provided with an electrical output producing unit operatively interconnected to the part of the temperature sensing unit so as to produce a variable electrical signal in relation to the temperature being sensed by the temperature sensing unit, the electrical output unit being movable along an arcuate linear path by the part of the temperature sensing unit. The potentiometer unit has a member provided with an arcuate surface, the electrical output unit being disposed in sliding engagement with the arcuate surface whereby the arcuate surface defines the arcuate path of movement of the electrical output unit. The member is movable relative to the device on an arcuate path that is substantially concentric to the arcuate path of movement of the electrical output unit for calibrating the device.

REFERENCES:
patent: 1986695 (1935-01-01), Warner
patent: 2195813 (1940-04-01), De Giers
patent: 2248672 (1941-07-01), Holmes
patent: 3412236 (1968-11-01), Hild et al.
patent: 4323764 (1982-04-01), Willison et al.

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