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    • 63. 发明申请
    • Double floor structure
    • 双层结构
    • US20050120650A1
    • 2005-06-09
    • US10503270
    • 2003-01-31
    • Akira TeramuraMitsuru NakamuraKenji IgarashiHiroyuki Kishi
    • Akira TeramuraMitsuru NakamuraKenji IgarashiHiroyuki Kishi
    • E04F15/024E04B1/00
    • E04F15/02411E04F15/02452
    • An upper floor member 30 is unitarily comprised of a floor panel portion 30a for forming a floor surface 12, a first wall portion 30b extending downwards from circumferential edges of the floor panel portion 30a and continuous in the circumferential direction, and a second wall portion 30c spanned between opposed portions of the first wall portion 30b and progressively increased in thickness toward the center of the floor panel portion 30a. The floor panel portion 30a is polygonal in shape, and the first wall portion 30b is progressively increased in thickness toward the center of each side. The first wall portion 30b extends downwards to the vicinity of the lower floor, and its lower end is supported by a support means 18. Thus, a double floor structure which is inexpensive, has a high stiffness, good workability, and offers a high vibration-damping performance can be provided.
    • 上部地板构件30整体地包括用于形成地板表面12的地板镶板部分30a,从地板镶板部分30a的圆周边缘向下延伸并沿周向方向连续的第一壁部分30b, 壁部30c跨越第一壁部分30b的相对部分,并且朝向底板部分30a的中心逐渐增加。 地板面板部分30a的形状是多边形,并且第一壁部分30b朝向每侧的中心逐渐增加厚度。 第一壁部分30b向下延伸到下层的附近,并且其下端由支撑装置18支撑。 因此,可以提供廉价的双层结构,具有高刚度,良好的可加工性,并提供高的减震性能。
    • 67. 发明授权
    • Power stoppage minimizing systems for distribution lines and methods of
using a distribution line
    • 电力停止最小化配电线路系统和使用配电线路的方法
    • US5579195A
    • 1996-11-26
    • US207664
    • 1994-03-09
    • Kazuo NishijimaHiroshi InoueMinoru KanoiTerunobu MiyazakiMitsuru Nakamura
    • Kazuo NishijimaHiroshi InoueMinoru KanoiTerunobu MiyazakiMitsuru Nakamura
    • H02H3/06H02H7/26H02J3/04H02H3/00
    • H02H7/262
    • A power stoppage minimizing system for a distribution line and a method of using a distribution line minimize a power stoppage section and a power stoppage time when a short circuit occurs in the distribution line, and employs a first and a second distribution line each connected through a circuit breaker to a corresponding bus and each having switches in position thereon; a normally open tie point switchgear provided between adjacent ends of the first and second distribution lines; a protective relay for opening, when a short circuit has occurred, the circuit breaker a fixed time after the occurrence of the short circuit on the first distribution line; a first unit for opening a switch on the side of a power source and nearest a point where the short circuit has occurred; a second unit for opening, after the switch is opened by the first unit, a switch on the side of a load nearest the switch opened by the first unit; and a third unit for closing the tie point switchgear after the opening of the switch by the second unit, the opening of the switch by the first unit being made within a fixed interval of time for the protective relay. Thus, the short circuit section is located and the switches before and after the short circuit section are opened. The tie point switchgear is then closed to thereby minimize the power stoppage section and time when the short circuit has occurred.
    • 用于配电线路的停电最小化系统和使用配电线路的方法在分配线路中发生短路时最小化停电部分和停电时间,并且采用第一和第二配电线路,每个分配线路通过 断路器到相应的总线,并且每个断路器具有位于其上的开关; 设置在所述第一和第二配线的相邻端之间的常开连接点开关装置; 一个保护继电器,当发生短路时,断路器在第一配线上发生短路之后的固定时间; 用于打开电源侧的开关并且最靠近发生短路的点的第一单元; 第二单元,在由第一单元打开开关之后,打开最靠近由第一单元打开的开关的负载侧的开关; 以及第三单元,用于在通过第二单元打开开关之后关闭连接点开关装置,第一单元的开关的开启在保护继电器的固定时间间隔内被制成。 因此,短路部分被定位,并且短路部分之前和之后的开关被打开。 然后将连接点开关装置关闭,从而最小化停电部分和发生短路时的时间。