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    • 10. 发明授权
    • Amorphous metallic alloy electrical heater systems
    • 无定形金属合金电加热器系统
    • US5641421A
    • 1997-06-24
    • US711973
    • 1996-09-10
    • Vladimir ManovEliezer AdarMark GellerEvgeni SorkineIosef Margolin
    • Vladimir ManovEliezer AdarMark GellerEvgeni SorkineIosef Margolin
    • F24H3/00F24H3/04H05B3/12H05B3/42H05B3/82H05B3/00H05B1/02
    • H05B3/82F24H3/002F24H3/0417H05B3/12H05B3/42Y10T29/49083
    • An electrical heating system uses heating elements made of ribbons of amorphous metallic alloys. The heating elements have a large area using long and wide ribbons, to achieve good heat transfer to the surroundings, that is low thermal resistance. The area of the heating elements and thus the thermal resistance is determined according to the desired thermal power, under the constraint of a low operating temperature, that is a temperature well below the embrittlement temperature of the amorphous alloy used in the heating elements. The operating temperature is preferably kept low enough so as not to generate benzopyrene or other unhealthy or ecologically unfavorable fumes or gases. The thin ribbons with low thermal resistance also have a fast heating constant, that is the heater reaches its steady state temperature in a short time. The electrical heating system uses low cost insulation and support materials, that is materials intended for use at low temperatures only. Further cost reduction is achieved by making the heating elements of lower cost alloys, that is alloys capable of withstanding oxidation only at low temperatures. The heating elements undergo treatment using the Manov process of overheating the melted alloy to a precise temperature prior to rapid quenching, to achieve more reliable ribbons with more reproducible characteristics.
    • 电加热系统使用由非晶金属合金带制成的加热元件。 加热元件具有使用长而宽带的大面积,以实现对周围环境的良好热传递,即低热阻。 在低工作温度的限制下,加热元件的面积以及因此的热阻根据期望的热功率来确定,该温度远低于在加热元件中使用的非晶态合金的脆化温度。 操作温度优选保持足够低以便不产生苯并芘或其他不健康或生态不利的烟雾或气体。 具有低热阻的薄带也具有快速加热常数,即加热器在短时间内达到其稳态温度。 电加热系统使用低成本的绝缘和支撑材料,即仅在低温下使用的材料。 通过制造低成本合金的加热元件即仅在低温下能耐受氧化的合金来实现进一步的成本降低。 加热元件使用Manov过程进行处理,使熔融合金过热到快速淬火之前的精确温度,以获得具有更多可重现特性的更可靠的带。