Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1974-07-22
1978-06-27
Truhe, J. V.
Electric heating
Heating devices
With power supply and voltage or current regulation or...
219469, 219471, H05B 102
Patent
active
040977234
ABSTRACT:
The present invention relates to logically controlled unique temperature systems, and it more particularly relates to methods and apparatus for establishing and controlling thermal systems wherein sensing means may anticipate temperature conditions at other points, such as at the work or loads and wherein the controlled heating means are related to the thermal capacity of the system. This arrangement is particularly compatible with unique logical control wherein the temperature signal(s) is converted to a digital pulse train for logical analysis, in turn capable of controlling the heating means by discrete energy bursts. Also, the computer or logical means are capable of sounding an alarm in the event of abnormal conditions or conditions deviating from predetermined patterns.
REFERENCES:
patent: 1990640 (1935-02-01), Doherty
patent: 3043943 (1962-07-01), Moot
patent: 3310655 (1967-03-01), Hager
patent: 3666922 (1972-05-01), Leitner et al.
patent: 3704972 (1972-12-01), Kneller et al.
patent: 3822057 (1974-07-01), Wheeler
patent: 3825725 (1974-07-01), Leitner et al.
Childress Bobby B.
Leitner Frank W.
Bell Fred E.
Brown Laurence R.
Truhe J. V.
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