Radiant electric heater

Details Radiant electric heater Radiant electric heater

1994-05-19

1996-03-12

Walberg, Teresa J.

Electric heating

Heating devices

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

219457, 219466, H05B 368

Patent

active

054988543

ABSTRACT:
A radiant electric heater for use in a smooth top cooker includes a base of electrical and thermal insulating material and two heating elements supported on the base. One of the heating elements is energisable independently of the other element, for example to permit the heater to be adapted to different size cooking utensils. A peripheral wall of thermal insulating material extends laterally around the heating elements and a dividing wall is arranged between the heating elements such that, in use, separate and distinct heating zones are formed on the smooth top of the cooker. The dividing wall is received in the base of electrical and thermal insulating material and is retained in the base by friction. The dividing wall may additionally be constructed and arranged as a barrier effectively only to thermal convection currents generated in the heater.

REFERENCES:
patent: 1475760 (1923-11-01), Fay
patent: 2029573 (1936-02-01), Knapp
patent: 3277279 (1966-10-01), Wei
patent: 4327280 (1982-04-01), McWilliams
patent: 4347432 (1982-08-01), Gossler
patent: 4357523 (1982-11-01), Bleckmann
patent: 4371780 (1983-02-01), Gossler
patent: 4414465 (1983-11-01), Newton
patent: 4707589 (1987-11-01), Brooks et al.
patent: 5051561 (1991-09-01), McWilliams et al.

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