Electric fluid heater with infrared hot spot sensor

Details Electric fluid heater with infrared hot spot sensor Electric fluid heater with infrared hot spot sensor

1992-09-11

1993-05-18

Bartis, Anthony

Electric resistance heating devices

Heating devices

Continuous flow type fluid heater

219502, 392379, 392473, 392491, H05B 102, F24H 110

Patent

active

052127630

ABSTRACT:
A forced gas electric heater has a serpentine heating element disposed within a cylindrical glass tube. Infrared radiation emanating from the heating element enters the glass tube whereby part of the infrared radiation is directed within the wall of the glass tube to the edge of the glass tube. An infrared sensor is in line of sight with the edge of the glass tube. The infrared sensor senses the hot spot temperature of the heating element and, together with a controller, limits the maximum hot spot temperature of the heating element.

REFERENCES:
patent: 3423572 (1969-01-01), Pansing
patent: 3551643 (1970-12-01), Pricenski
patent: 3654431 (1972-04-01), Brouks et al.
patent: 3783236 (1974-01-01), Edin

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