Temperature supervising system

Electric heating – Metal heating – Of cylinders

Patent

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Details

307310, H05B 906

Patent

active

041974425

ABSTRACT:
A temperature supervising system comprising a temperature sensor which is designed to sense the temperature of the supervised component and to supply a signal representing the temperature, which signal is compared with a reference signal to produce an alarm or to interrupt the connection of the component to a supply source when the difference between the signal indicating the temperature and the reference signal exceeds a given value, for example zero. The reference signal is generated by a function generator which supplies a signal varying with time, which signal, in a period immediately after the instant the component is connected to its current source, increases according to any desired function, for example stepwise or linearly, from a low initial value to a higher output value.

REFERENCES:
patent: 3662140 (1972-05-01), Jones et al.
patent: 3670134 (1972-06-01), Bucksbaum
patent: 3820068 (1974-06-01), McMillin
patent: 4109129 (1978-08-01), Satoh et al.

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