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    • 6. 发明授权
    • Carbon arc lamp provided with means to prevent ash deposition
    • 碳弧灯具有防止灰分沉积的手段
    • US3986063A
    • 1976-10-12
    • US590946
    • 1975-06-27
    • Shigeru Suga
    • Shigeru Suga
    • H05B31/00H01J7/24
    • H05B31/0066
    • A carbon arc lamp for use in a light fastness tester. The lamp has an arc glow section, a base located at the top of the arc glow section, a heat radiating means integral with the upper side of the base, a heat collecting means integral with the side of the base facing toward the glow section, and a glass bulb extending from the base around the glow section. The heat produced due to carbon arc discharge in the glow section is collected by the collecting means and radiated to the outside of the lamp by the radiating means aided by the convection of the outside atmosphere to hold the base at a temperature lower than that of the glass bulb so as to eliminate or reduce deposition of ash resulting from the combustion of carbon on the light transmitting glass bulb which is at a higher temperature than the base by virtue of the tendency of the ash to be deposited to different extents, depending upon temperature, to thereby ensure emission of light through the bulb at a substantially constant luminous intensity.
    • 一种用于耐光牢度测试仪的碳弧灯。 该灯具有电弧辉光部,位于电弧辉光部的顶部的基部,与基部的上侧一体形成的散热装置,与基部的朝向辉光部的一侧成一体的集热装置, 以及从发光部周围的基部延伸的玻璃灯泡。 由辉光部分中的碳弧放电产生的热量由收集装置收集,并通过外部气氛的对流而被辐射装置辐射到灯的外部,以将基座保持在低于 玻璃灯泡,以便消除或减少由于灰分燃烧而产生的灰分沉积在透光玻璃灯泡上,因为透光玻璃灯泡的温度高于基底,因为灰分根据温度而不同程度地沉积 ,从而确保以基本恒定的发光强度发射通过灯泡的光。