Gas-filled shroud to provide cooler arctube
    1.
    发明申请
    Gas-filled shroud to provide cooler arctube 有权
    充气护罩提供冷却器

    公开(公告)号:US20070057610A1

    公开(公告)日:2007-03-15

    申请号:US11363598

    申请日:2006-02-28

    IPC分类号: H01J7/24 H01J61/52 H01J1/02

    CPC分类号: H01J61/52 H01J61/34

    摘要: A lamp is provided having an arctube having a light-transmitting envelope. The arctube is surrounded by a gaseous medium confined by a containment envelope such as a hermetic shroud. The gaseous medium is preferably He or H2 or Ne or another gas whose thermal conductivity is greater than that of N2 at 800° C., or a mixture thereof, to help cool the arctube. The inside and/or outside of the shroud may be coated with a diffusion barrier. To help cool the hot spot of the arctube the gap between the shroud and the envelope can be made small, the portion of the shroud wall near the arc can be thickened, the arctube can be offset above the longitudinal axis of the shroud, and the return lead of the arctube can be located between the shroud and the arctube.

    摘要翻译: 提供了具有具有透光外壳的电弧管的灯。 该弧形管由被诸如密封罩之类的封闭信封限定的气体介质包围。 气态介质优选为He或H 2 N或Ne,或在800℃下其导热率大于N 2 N的气体,或其混合物,或其混合物 帮助冷却电弧。 护罩的内部和/或外部可以涂覆有扩散阻挡层。 为了冷却电弧管的热点,护罩和外壳之间的间隙可以做得较小,靠近电弧的护罩壁的部分可以变厚,电弧管可以偏离护罩的纵向轴线,并且 电弧管的返回引线可以位于护罩和电弧管之间。

    Optical control of light in ceramic arctubes
    2.
    发明申请
    Optical control of light in ceramic arctubes 审中-公开
    光控制在陶瓷弧中

    公开(公告)号:US20050168148A1

    公开(公告)日:2005-08-04

    申请号:US11016118

    申请日:2004-12-17

    摘要: A ceramic arctube preferably for a high pressure discharge lamp. The ceramic arctube can have an anti-reflection interference coating on the outside or inside surface of the bulb section of the arctube. The outside and/or inside surface of the outer wall of the bulb section of the arctube can be substantially spherical to increase efficiency. The wall thickness of the outer wall of the bulb section can be shaped to lens rays from the arc toward a preselected region of a reflector optically coupled to the arctube to increase efficiency.

    摘要翻译: 优选用于高压放电灯的陶瓷电弧管。 陶瓷电弧管可以在电弧管的灯泡部分的外表面或内表面上具有抗反射干涉涂层。 电弧管的灯泡部分的外壁的外表面和/或内表面可以是基本上是球形的,以提高效率。 灯泡部分的外壁的壁厚可以被成形为从电弧到与光学耦合到电弧管的反射器的预选区域的透镜射线,以提高效率。

    Ceramic arctubes for discharge lamps
    3.
    发明申请
    Ceramic arctubes for discharge lamps 审中-公开
    陶瓷电弧放电灯

    公开(公告)号:US20060202627A1

    公开(公告)日:2006-09-14

    申请号:US11311118

    申请日:2005-12-19

    IPC分类号: H01J61/30 H01J17/16 H01J17/20

    摘要: A ceramic arctube for use in a high intensity discharge lamp. The arctube includes a ceramic light transmitting tube which surrounds the arc. The light transmitting tube has two or more features selected from the group consisting of (a) an inner diameter less than 2.6 mm, (b) a wall thickness of less than 1.4 mm, (c) an average grain size of greater than 20 microns or less than 5 microns or real in-line transmission (RIT) greater than 20%, and (d) an inner surface or outer surface having an Ra value less than 100 nm. These features lead to a smaller apparent size of the arc source and less scattering of light, resulting in improved performance of the arctube in a reflector lamp.

    摘要翻译: 用于高强度放电灯的陶瓷电弧管。 电弧管包括围绕电弧的陶瓷透光管。 透光管具有选自以下的两个或更多个特征:(a)内径小于2.6mm,(b)壁厚小于1.4mm,(c)平均粒径大于20微米 或小于5微米或大于20%的真实在线透射率(RIT),和(d)Ra值小于100nm的内表面或外表面。 这些特征导致较小的电弧源的表观尺寸和较少的光散射,从而改善反射灯中的电弧管的性能。

    Binder system for ceramic arc discharge lamp
    4.
    发明授权
    Binder system for ceramic arc discharge lamp 失效
    陶瓷电弧放电灯粘合剂系统

    公开(公告)号:US06592695B1

    公开(公告)日:2003-07-15

    申请号:US09714635

    申请日:2000-11-16

    IPC分类号: B32B3126

    摘要: A binder system for forming a ceramic body, such as a translucent arc tube for a metal halide lamp, comprises a hydrocarbon, such as a paraffin wax, a copolymer, such as poly (ethylene-co-vinyl acetate), and optionally a surfactant. The binder system is mixed with a ceramic powder and heated to above the melting point of the binder. The heated mixture is formed into a compact having the general shape of the finished ceramic body and then cooled or allowed to cool. The hydrocarbon and copolymer have overlapping freezing points so that when the shaped compact cools, crystalline segments of the copolymer (such as ethylene segments) co-crystallize with the hydrocarbon, while amorphous segments (such as vinyl acetate) form bridges between the crystalline regions. As a result, the cooled compact has improved green strength over conventional binder systems.

    摘要翻译: 用于形成陶瓷体的粘合剂体系,例如用于金属卤化物灯的半透明电弧管,包括烃,例如石蜡,共聚物如聚(乙烯 - 共 - 乙酸乙烯酯)和任选的表面活性剂 。 将粘合剂体系与陶瓷粉末混合并加热到粘合剂的熔点以上。 将加热的混合物形成具有成品陶瓷体的总体形状的紧凑件,然后冷却或允许冷却。 烃和共聚物具有重叠的凝固点,使得当成形的压块冷却时,共聚物的结晶段(例如乙烯段)与烃共结晶,而无定形区段(例如乙酸乙烯酯)在结晶区域之间形成桥。 结果,与常规粘合剂体系相比,冷却的压块具有改善的生坯强度。