Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1985-09-30
1988-04-19
Bartis, Anthony
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
219349, 219354, 219358, 219461, 313113, 313114, 362298, H05B 100
Patent
active
047391529
ABSTRACT:
An elongated, coiled, electrical resistance heating filament is positioned along the major axis of an ellipsoidal reflector with its inner end positioned at the inner focus of the reflector and with the coil extending outwardly toward but short of an annular rim defining the front of the reflector. The coiled filament is supported by a pair of power supply leads connected to the inner and outer ends of thereof and forming stiff conductive support pillars mounted in a thickened support and seal portion at the apex of the reflector. The front of the reflector may be closed by a glass plate sealed to the annular rim. A secondary reflector may be provided on the major axis of the ellipsoidal reflector between the outer end of the coiled filament and the annular rim. The secondary reflector may be a figure of rotation of any shape, e.g., parabolic or conical, capable of throwing energy that would otherwise escape back through the coiled filament and serves to conserve energy and shield the eyes of the user.
REFERENCES:
patent: 2059033 (1936-10-01), Rivier
patent: 2512061 (1950-06-01), Huck
patent: 2785623 (1957-03-01), Graham
patent: 3253504 (1966-05-01), Vollmer
patent: 3401256 (1968-09-01), Siegla
patent: 3427433 (1969-02-01), Foreman et al.
patent: 3427435 (1969-02-01), Webb
patent: 3434818 (1969-03-01), Chauvin
patent: 3621198 (1971-11-01), Herbrich
"Radiant Heating Using an Ellipsoidal Reflector"; B. Uavala, A. Muries; Journal of Physics E, vol. 7, No. 5, pp. 349-350; May 1974.
Bartis Anthony
Kintzinger Warren H.
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