Electric hot plate assemblies

Details Electric hot plate assemblies Electric hot plate assemblies

1977-05-05

1978-10-24

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

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

219452, 219512, H05B 368

Patent

active

041223306

ABSTRACT:
An electric hot plate assembly including an electrically heated hot plate having one or more electrical conductors disposed therewithin for heating an annular zone of the plate when energized and a device for limiting the operating temperature of the hot plate. A bimetallic element is disposed in a first portion of a housing of the temperature limiting device which projects into an enclosed space located immediately beneath the annular zone of the hot plate. The enclosed space is closed by a cover. A switch, which is adapted to be actuated by the bimetallic element, is located on a base portion of the housing disposed externally of the enclosed space, the first portion and base portion of the housing being thermally insulated from each other. The base portion of the housing carries connecting terminals for connecting the hot plate conductor or conductors to an electrical supply.

REFERENCES:
patent: 2306979 (1942-12-01), Potsdam
patent: 2311087 (1943-02-01), Sandll
patent: 2644874 (1953-07-01), Miller
patent: 2684430 (1954-07-01), Bieling
patent: 2691717 (1954-10-01), Huck
patent: 2813963 (1957-11-01), Lennox
patent: 2816203 (1957-12-01), Weeks
patent: 4045654 (1977-08-01), Eide

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