Electric hotplate

Details Electric hotplate Electric hotplate

1987-05-12

1988-02-02

Shaw, Clifford C.

Electric heating

Heating devices

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

219512, 219449, 219459, H05B 370

Patent

active

047230673

ABSTRACT:
An electric hotplate (1) with a temperature sensor (21) of a power control device provided in the center of the cooking surface (3) has on the underside of area (5) of hotplate body (2) directly heated by heating resistors (7, 8) a thermal cutout (27) with rod-like temperature sensors (28) projecting freely from a switch casing (29). Switch casing (29) is located outside a cover (17) of underside (4) of hotplate body (2) and temperature sensor (28) is located within said cover. In the case of high switching precision of thermal cutout (27), the limiter switch is still not damaged if the thermal cutout is set to relatively high cut-off temperatures.

REFERENCES:
patent: 2148407 (1939-02-01), Pierson
patent: 2311087 (1943-02-01), Sandell
patent: 4122330 (1978-10-01), Fischer
patent: 4135081 (1979-01-01), Fischer
patent: 4393299 (1983-07-01), McWilliams
patent: 4605841 (1986-08-01), Fischer

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