Radiant heater in a cooking hob with a thermal switch

Details Radiant heater in a cooking hob with a thermal switch Radiant heater in a cooking hob with a thermal switch

2006-08-08

2006-08-08

Paik, Sang Y. (Department: 3742)

Electric heating

Heating devices

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

C219S448160, C219S460100, C337S333000

Reexamination Certificate

active

07087866

ABSTRACT:
The electric radiant heater (1) adapted to a cooking hob is attached to the cooking plate (2a) forming with it an air cavity (13) inside which the extended heating resistor (5) is housed on an insulating base (4). A peripheral insulating ring (6) and an outer metal tray form a peripheral external wall (3,6) defining said cavity (13) in which there is positioned a bimetal thermal switch (7), which has a compact body (7a) resting on the surface (4a) of the insulating base, and a heat receiver base (7b) in a position facing a part of the heating resistor (5). The position of the compact body (7a) relative to the heating resistor (5) is determined so as to obtain an actuating temperature point (SWC, SWO) adjusted for switching a hotplate warning light on and off.

REFERENCES:
patent: 4059817 (1977-11-01), Hollweck et al.
patent: 4791397 (1988-12-01), Wells
patent: 6121587 (2000-09-01), Leiprecht et al.
patent: 6756569 (2004-06-01), Bates et al.

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