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    • 1. 发明申请
    • PROJECTOR DEVICE
    • 投影仪设备
    • US20110211166A1
    • 2011-09-01
    • US13029568
    • 2011-02-17
    • Tsuyoshi KAWANO
    • Tsuyoshi KAWANO
    • G03B21/16
    • G03B21/16H04N9/3144
    • A projector device including a light source, a plurality of panels for modulating light emitted from the light source in accordance with video information, the panels containing a liquid crystal panel and a plurality of polarizing panels arranged in parallel, an air blower for blowing air to the liquid crystal panel and the plurality of polarizing panels, a housing in which the light source, the liquid crystal panel, the polarizing panels and the air blower are mounted, and a turbulence promoting member for disturbing an air stream flowing between two adjacent panels is provided at an upstream position of the air stream in a gap between the two adjacent panels so as to extend in a direction perpendicular to the air stream.
    • 一种投影仪装置,包括光源,用于根据视频信息调制从光源发射的光的多个面板,包含液晶面板的面板和平行布置的多个偏振片,用于吹送空气的鼓风机 液晶面板和多个偏振面板,其中安装有光源,液晶面板,偏振面板和鼓风机的壳体和用于扰乱在两个相邻面板之间流动的空气流的湍流促进构件是 设置在空气流的上游位置处于两个相邻面板之间的间隙中,以便在垂直于空气流的方向上延伸。
    • 4. 发明授权
    • Process for production of grain oriented electrical steel sheet having
excellent magnetic properties
    • 具有优良磁特性的晶粒取向电工钢板的制造方法
    • US5512110A
    • 1996-04-30
    • US466866
    • 1995-06-06
    • Yasunari YoshitomiKatsuro KurokiYukio MatsuoHiroaki MasuiYoshio NakamuraMaremizu IshibashiTsuyoshi KawanoTsutomu HarataniYoshiyuki Ushigami
    • Yasunari YoshitomiKatsuro KurokiYukio MatsuoHiroaki MasuiYoshio NakamuraMaremizu IshibashiTsuyoshi KawanoTsutomu HarataniYoshiyuki Ushigami
    • C21D8/12C22C38/02H01F1/18
    • C22C38/02C21D8/1255C21D8/1272C21D8/1233C21D8/1283
    • In the present invention, grain oriented electrical steel sheets provided by heating a slab comprising, by weight percent, 0.025 to 0.075% of C, 3.4 to 5.0% of Si, 0.015 to 0.080% of sol. Al, 0.0030 to 0.013% of N, 0.014% or less of (S+0.405 Se) and 0.05 to 0.8% of Mn, sol. Al (%)/Si (%) being 0.0080 or more, the balance consisting of Fe and unavoidable impurities at a temperature below 1280.degree. C., hot-rolling the heated slab, subjecting the hot-rolled steel sheet to cold rolling, subjecting the cold-rolled steel sheet to decarbonization annealing with regulating the average diameter of primary recrystallized grains of the steel sheet subjected to decarbonization annealing to 18 to 35 .mu.m in a period between the completion of the decarbonization annealing and the initiation of final annealing, coating the decarburized steel with an annealing separator and subjecting the coated steel sheet to final annealing, wherein the final annealing is effected in such a manner that the partial pressure of nitrogen, P .sub.N2 (%), in the annealing atmosphere is 12.5% or more in a steel sheet temperature range of from 900.degree. C. to 1150.degree. C. in the heating stage of the final annealing, and subjecting the steel sheet to nitriding to cause the steel sheet to absorb 0.0010% by weight or more of nitrogen in a period between the completion of the hot rolling and the initiation of secondary recystallization in the final annealing.
    • 在本发明中,通过加热板坯而提供的晶粒取向电工钢板,其包含重量百分比为0.025〜0.075%的C,3.4〜5.0%的Si,0.015〜0.080%的溶胶。 Al,0.0030〜0.013%N,0.014%以下(S + 0.405 Se)和0.05〜0.8%Mn,sol。 Al(%)/ Si(%)为0.0080以上,余量由温度低于1280℃的Fe和不可避免的杂质组成,热轧加热板坯,对热轧钢板进行冷轧, 冷轧钢板进行脱碳退火,将脱碳退火钢板的一次再结晶晶粒的平均直径调整为18〜35μm,在完成脱碳退火和开始最终退火,涂布 所述脱碳钢与退火分离剂一起进行最终退火,其中最终退火以使退火气氛中的氮分压P N2(%)为12.5%以上的方式进行, 在最终退火的加热阶段的钢板温度范围为900〜1150℃,对钢板进行氮化处理,使钢板吸收0.0010% 在最终退火之间的热轧完成和二次再结晶开始之间的时间内的氮气重量或更多。