Controllable electric heater

Details Controllable electric heater Controllable electric heater

1989-02-24

1991-02-05

Paschall, M. H.

Electric heating

Heating devices

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

219483, 219486, 219485, 219508, 307 38, H05B 102

Patent

active

049907522

ABSTRACT:
The present invention relates to controllable electric heaters, in particular heaters employing tungsten halogen lamps and suitable for use in cookers of the type having a ceramic hob below which are placed the heaters.
It is an object of the present invention to provide a controllable electric heater employing two tungsten halogen lamps and other components of an inexpensive nature and which allows six different power settings to be obtained.

REFERENCES:
patent: 2705276 (1955-03-01), Wise
patent: 3247358 (1966-04-01), Schmidt
patent: 3681569 (1972-08-01), Schwarz
patent: 4085309 (1978-04-01), Godel et al.
patent: 4731519 (1988-03-01), Dieterle et al.

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