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    • 4. 发明公开
    • HIGH PRESSURE SODIUM LAMP HAVING REDUCED ARC TUBE SIZE
    • HO K EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN EN
    • EP1275128A4
    • 2006-05-31
    • EP01902071
    • 2001-01-17
    • OSRAM SYLVANIA INC
    • INGALLS PAUL HDOLAN ROBERTWYNER ELLIOT
    • H01J61/22H01J7/10H01J17/04H01J61/20H01J61/30H01J61/34H01J61/82H01J61/88H01J1/02H01J17/20
    • H01J61/825H01J7/10H01J61/30H01J61/34
    • A high pressure sodium lamp (100) having an evacuated glass envelope (6) with a plurality of electrically conductive support members therein and extending therethrough. An elongated arc tube (14) having a pair of electrodes (26) extending therethrough is affixed to the electrically conductive support members within the glass envelope. A gas fill includes a quantity of mercury and sodium within the elongated tube. The arc tube is selected from a translucent material that, when the lamp is operating, will have a wall temperature of about 1250 degrees Celsius, a wall loading of from about 18.9 to about 22.2 w/cm sqr., and a power consumption of from 150 to 400 watts. Further, the amount of mercury is reduced from 14.4 mgs/arc tube to 10.8 mgs/arc tube, allowing lamps having power consumption from 150 to 400 watts to pass the Toxicity Characteristics Leaching Procedure (TCLP).
    • 一种具有抽真空玻璃外壳(6)的高压钠灯(100),其中具有多个导电支撑构件并延伸穿过其中。 具有延伸穿过其中的一对电极(26)的细长的电弧管(14)被固定到玻璃封套内的导电支撑构件上。 气体填充物包括在细长管内的一定量的汞和钠。 电弧管选自半透明材料,当灯操作时,其壁温将为约1250摄氏度,壁载量为约18.9至约22.2w / cm sqr。 150至400瓦。 此外,汞的量从14.4mgs /弧管减少到10.8mgs /电弧管,使得功耗为150-400瓦特的灯通过毒性特征浸出程序TCLP)。