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    • 3. 发明授权
    • Cooling system of thin projector and method for controlling the same
    • 薄型投影机冷却系统及其控制方法
    • US07648245B2
    • 2010-01-19
    • US11341898
    • 2006-01-30
    • Yong Soo ParkDae Woo KimKi So BokHyung Jin Lim
    • Yong Soo ParkDae Woo KimKi So BokHyung Jin Lim
    • G03B21/16
    • G03B21/16G06F1/206H04N5/7416H04N9/3141
    • A cooling system of a thin projector, and a method for controlling the same are disclosed. The system comprises a heat source 1 in a housing, first and second suction ports formed at side and lower surfaces of the housing, respectively, a discharge port formed at an upper surface of the housing, first and second air stream forming units 2 and 3 to form first and second air stream along which air induced from the first and second suction ports is guided to the discharge port while cooling the heat source, respectively, a sensor unit to detect a temperature of suction air induced from the first and second suction ports and a temperature of discharge air discharged from the discharge port, and a controller 6 to control the first and second air stream forming units 2 and 3 using the temperatures of the suction and discharge air.
    • 公开了一种薄型投影仪的冷却系统及其控制方法。 该系统包括壳体中的热源1,分别形成在壳体的侧表面和下表面处的第一和第二吸入口,形成在壳体的上表面处的排出口,第一和第二气流形成单元2和3 以形成第一和第二气流,分别从所述第一和第二吸入口引导的空气被引导到所述排出口,同时冷却所述热源;传感器单元,用于检测从所述第一和第二吸入口引起的吸入空气的温度 以及从排出口排出的排出空气的温度,以及使用吸入排出空气的温度来控制第一和第二气流形成单元2,3的控制器6。
    • 5. 发明授权
    • Duplex stainless steel with high corrosion resistance
    • 双相不锈钢,耐腐蚀性高
    • US6048413A
    • 2000-04-11
    • US819176
    • 1997-04-28
    • Yong Soo ParkYoung Sik Kim
    • Yong Soo ParkYoung Sik Kim
    • C22C38/00C22C38/44C22C38/58
    • C22C38/58C22C38/44
    • A corrosion resistant duplex stainless steel having an austenite-ferrite duplex phase matrix, less content of the expensive nickel and higher the resistance to both stress corrosion cracking and pitting in environments containing chloride ion is disclosed. The stainless steel is also scarcely influenced by the aging heat treatment. This stainless steel includes 20-30 wt % chromium, 3-9 wt % nickel, 3-8 wt % molybdenum, 0.20 wt % or less carbon, 0.5-2.0% silicon, 3.5 wt % or less manganese, 0.2-0.5% nitrogen and a balance of iron. The stainless steel may include at least one element selected from the group of 1.5 wt % or less titanium, 3 wt % or less tungsten, 2 wt % or less copper, and 2 wt % or less vanadium and include at least one element selected from the group of 0.001-0.01 wt % boron, 0.001-0.1 wt % magnesium, 0.001-0.1 wt % calcium, and 0.001-0.2 wt % aluminum.
    • 公开了具有奥氏体 - 铁素体双相相矩阵的耐腐蚀双相不锈钢,昂贵的镍的含量较少,并且在含有氯离子的环境中对应力腐蚀开裂和点腐蚀的抵抗性更高。 不锈钢也几乎不受老化热处理的影响。 该不锈钢包括20-30重量%的铬,3-9重量%的镍,3-8重量%的钼,0.20重量%或更少的碳,0.5-2.0的硅,3.5重量%或更少的锰,0.2-0.5的氮 和铁的平衡。 不锈钢可以包括选自1.5重量%以下的钛,3重量%以下的钨,2重量%以下的铜和2重量%以下的钒中的至少一种元素,并且包括选自以下的至少一种元素: 0.001-0.01重量%硼,0.001-0.1重量%镁,0.001-0.1重量%钙和0.001-0.2重量%铝的组。