| 摘要 |
A temperature-limiting device ( 14 ) is provided for an electric heater ( 2 ), the heater ( 2 ) being located behind a heatable surface ( 4 ) and comprising a dish-like support ( 6 ) having therein at least one electric heating element ( 12 ) having first and second terminal regions ( 12 A, 12 B). The device comprises thermally responsive bimetallic means ( 22 ) provided in a housing ( 16 ). The housing ( 16 ) is supported at a peripheral region of the heater ( 2 ), at least partially externally of the support ( 6 ). The bimetallic means ( 22 ) is thermally coupled with the heater ( 2 ) to sense heat generated therein by the heating element ( 12 ) and to respond at a predetermined temperature to operate at least one switch means ( 18 ) located in the housing ( 16 ). The housing ( 16 ) has first and second sides ( 32, 38 ) opposite each other provided with first and second electrically conductive elements ( 34, 40 ) accessible at the sides of the housing ( 16 ), externally of the dish-like support ( 6 ), for electrical connection to the terminal regions ( 12 A, 12 B) of the heating element ( 12 ).
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