Device for controlling temperature of switch knob

Details Device for controlling temperature of switch knob Device for controlling temperature of switch knob

1985-05-17

1986-05-20

Tanner, Harry

Automatic temperature and humidity regulation

Thermostatic

With indicator or alarm

116205, 116DIG17, 62 3, G05D 2300

Patent

active

045895937

ABSTRACT:
Comparison is made between an output from a temperature detecting element for detecting temperature of a control knob of a switch for controlling temperature, with a reference signal generated in association with a preset temperature of the control knob, and at least means for cooling or/and heating the control knob is driven on the basis of result of the comparison, whereby the control knob is held at preset temperature, so that the temperature of the control knob can be held at the preset temperature by a relatively simple control device.

REFERENCES:
patent: 2543389 (1951-02-01), Van Lennep
patent: 2581207 (1952-01-01), Sambleson
patent: 3459262 (1969-08-01), Powell
patent: 4241868 (1980-12-01), Perkins

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