Control system and method and control device therefor

Details Control system and method and control device therefor Control system and method and control device therefor

1977-12-01

1980-02-26

Reynolds, Bruce A.

Electric heating

Heating devices

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

219248, 219453, 219490, 337332, 337376, H05B 102

Patent

active

041907647

ABSTRACT:
A control system having a control unit provided with a single thermostatically operated control device for operatively interconnecting a heater to a source of energy when the output temperature effect of the heater is below a predetermined setting of a selector of the control unit and to disconnect the heater from the source of energy when the output temperature effect of the heater is above the predetermined setting of the selector, the single thermostatically operated control device also operating an indicating light to indicate that the output temperature effect of the heater is still above a certain value only when the selector of the control unit is in an "off" setting thereof. The selector of the control unit also operates a pilot light to indicate that the selector is set in an "on" setting thereof.

REFERENCES:
patent: 2593812 (1952-04-01), Turner
patent: 3612826 (1971-10-01), Deaton
patent: 3906424 (1975-09-01), Clancy et al.
patent: 4029940 (1977-06-01), Eaton, Jr. et al.
patent: 4044348 (1977-08-01), Huebscher

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