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    • 18. 发明授权
    • Electric radiant heating element
    • 电加热元件
    • US5153413A
    • 1992-10-06
    • US729367
    • 1991-07-12
    • Eugen Wilde
    • Eugen Wilde
    • F24C7/06H05B3/74
    • H05B3/748H05B2203/016
    • A radiant heating element (11) contains on the surface (16) of an insulating support (14) heating resistors (18), which emanate from terminals (20), which are arranged in regular spacings on the outer circumference of the heating area (21) and are connected there to semicircular ring circuits (22, 23). The heating resistors run from the outside to the inside in nested double spirals (30, 31), reverse there in return bends (32) and then run parallel back again to the outside. This gives a very uniform, almost completely symmetrical arrangement, so that the glowing state is rapidly reached and a uniform glow pattern is obtained.
    • 辐射加热元件(11)包含在绝缘支撑件(14)的表面(16)上,加热电阻器(18)从端子(20)发出,该端子(20)以加热区域的外圆周上的规则间隔布置 21),并连接到半圆环电路(22,23)。 加热电阻器在嵌套双螺旋(30,31)中从外部延伸到内部,反向弯曲(32),然后再次平行返回到外部。 这给出了非常均匀的,几乎完全对称的布置,使得快速达到发光状态并获得均匀的发光图案。