Electronic balance meter

Details Electronic balance meter Electronic balance meter

1983-04-25

1985-04-16

Paschall, M. H.

Electric heating

Heating devices

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

219483, 219486, 219501, 219508, 65 12, 65162, 65164, 364482, H05B 102

Patent

active

045117918

ABSTRACT:
The bushing temperature measurement device is a microprocessor based sensor which determines the temperature across a multi-segment electrical resistance heated glass fiber producing bushing. The temperature change is determined by calculating the change in resistance of each segment of the bushing by sensing the voltage drop across that segment and dividing by the current flowing in that segment. All measurements of voltage and current are taken simultaneously and averaged over several cycles. The microprocessor, through appropriate output circuitry, alerts other process controls to eliminate any change in temperature.

REFERENCES:
patent: 3246124 (1966-04-01), Tretheway
patent: 3820967 (1974-06-01), Johnson
patent: 3984768 (1976-10-01), Stuples
patent: 4024336 (1977-05-01), Jensen
patent: 4130406 (1978-12-01), Wakasa et al.
patent: 4162379 (1979-07-01), Sebens et al.
patent: 4333002 (1982-06-01), Kozak
patent: 4343637 (1982-08-01), Shofner et al.
patent: 4421976 (1983-12-01), Jurek
Standard Handbook for Electrical Engineers, Donald G. Fink, Editor in Chief, pp. 2-5.

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