Heating unit, in particular for bread toasters

Details Heating unit, in particular for bread toasters Heating unit, in particular for bread toasters

1987-09-03

1989-01-31

Albritton, C. L.

Electrical resistors

Zigzag or sinuous resistance element

Planar

99389, 219355, 219542, H01C 312

Patent

active

048019151

ABSTRACT:
A heating unit, in particular for bread toasters, with a useful heat emitting area (2) and a waste heat emitting area (12), comprising an insulating body (1) and a heat conductor wound thereon. In bread toasters the efficiency of such heating units is considered unsatisfactory, and undue heating of the housing occurs since the radiation of heat in the waste heat emitting area is not directed to the material being toasted but to the housing walls. To avoid this shortcoming, it is proposed to short-circuit the heat conductor portions (12) extending in the waste heat emitting area.

REFERENCES:
patent: 1050912 (1913-01-01), Bolling
patent: 3673787 (1972-06-01), Drugmand et al.
patent: 4588976 (1986-05-01), Jaselli

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