Electric cooking unit having an electric lamp with a helical fil

Details Electric cooking unit having an electric lamp with a helical fil Electric cooking unit having an electric lamp with a helical fil

1988-04-15

1989-08-15

Walberg, Teresa J.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

313579, 219465, H05B 374

Patent

active

048577090

ABSTRACT:
An electric cooking unit having a housing having a base wall and side walls provided with apertures. The unit further has an IR lamp with a tubular glass lamp vessel, which is sealed in a vacuum-tight manner and in which a tungsten filament is arranged, whose turns directly engage the wall of the lamp vessel. During operation, the filament has a temperature lying between approximately 1200.degree. C. and approximately 1500.degree. C.

REFERENCES:
patent: 3470410 (1969-09-01), Patsch
patent: 3699309 (1972-10-01), Eck
patent: 3940650 (1976-02-01), Janssen
patent: 4119832 (1978-10-01), Audesse
patent: 4556786 (1985-12-01), Frost

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