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    • 5. 发明授权
    • Flame detector
    • 火焰探测器
    • US4750142A
    • 1988-06-07
    • US822892
    • 1986-01-27
    • Kouji AkibaAkira KitajimaYoshio Arai
    • Kouji AkibaAkira KitajimaYoshio Arai
    • G01J1/42F23N5/08G08B17/12G01J1/00G08B21/00
    • G08B17/12
    • A flame detector comprising a flame sensor, a storing section for storing a predetermined reference value, a comparing section for comparing a value of a signal from the flame sensor which changes in amplitude corresponding to a change in flickering of flames with said reference value and adapted to detect flames when the value of said signal exceeds the reference value, and a flame determining section which comprises a computing section for computing a ratio of an amplitude value of a minus change component to an amplitude value of a plus change component of changes in flickering of flames. The storing section stores a preset first threshold value and a preset second threshold value higher than said first threshold value, and the flame determining section signifies the presence of flames is when the ratio of the amplitude values of the signals is larger than the first threshold value and lower than the second threshold value.
    • 一种火焰检测器,包括火焰传感器,用于存储预定参考值的存储部分,比较部分,用于将来自火焰传感器的信号值与对应于火焰闪烁的变化相对应的幅度变化与所述参考值进行比较, 当所述信号的值超过参考值时检测火焰,以及火焰确定部分,其包括计算部分,用于计算负变化分量的振幅值与闪烁变化的加变化分量的振幅值的比率 的火焰。 存储部分存储预设的第一阈值和高于所述第一阈值的预设的第二阈值,并且所述火焰确定部分表示当所述信号的振幅值的比值大于所述第一阈值时所述火焰的存在 并低于第二阈值。
    • 7. 发明授权
    • Fluid transmission device
    • 流体传动装置
    • US07284645B2
    • 2007-10-23
    • US11157158
    • 2005-06-21
    • Yoshihisa YamamotoTokuji YoshimotoAkira Kitajima
    • Yoshihisa YamamotoTokuji YoshimotoAkira Kitajima
    • F16H41/24
    • F16H45/02F16H41/28F16H2041/243F16H2045/0294
    • In a fluid transmission device, a male fitting surface of a periphery of a diameter-expanded portion of a pump shell is fitted to a female fitting surface of an inner circumference of a peripheral wall portion of a cylindrical transmission cover, and a fillet weld being is formed between an end surface of the peripheral wall portion and a peripheral surface of the diameter-expanded portion along an entire circumference, thereby connecting together the pump shell and the transmission cover. An annular recess is formed in an inner circumferential surface of the peripheral wall portion to adjoin the female fitting surface on the side opposite from the fillet weld. A portion of the transmission cover corresponding to the recess constitutes an annular thin-walled portion which has a thickness smaller than the portions of the transmission cover along the opposite sides of the annular thin wall portion. Therefore, even if the diameters of the pump shell and the transmission cover are increased, the durability of the pump shell and the transmission cover can be improved by alleviating excessive stress concentration on the fillet weld between the pump shell and the transmission cover.
    • 在流体传动装置中,泵壳的直径扩大部分的周边的阳配合表面装配到圆柱形传动罩的周壁部分的内圆周的阴配合表面上,并且角焊 沿圆周方向形成在周壁部的端面与直径扩大部的周面之间,由此将泵壳与变速器罩连接起来。 在周壁部的内周面形成有环状的凹部,以与与内角焊缝相反一侧的阴配合面相邻。 对应于凹部的传动罩的一部分构成环形薄壁部分,该环形薄壁部分的厚度小于沿着环形薄壁部分的相对侧的变速箱盖部分的厚度。 因此,即使泵壳和变速箱盖的直径增大,也可以通过减轻泵壳与变速箱盖之间的角焊缝上的过度的应力集中来提高泵壳和变速器盖的耐久性。
    • 9. 发明授权
    • System and method for detecting flames
    • 用于检测火焰的系统和方法
    • US4755687A
    • 1988-07-05
    • US813032
    • 1985-12-24
    • Kouji AkibaAkira KitajimaYoshio Arai
    • Kouji AkibaAkira KitajimaYoshio Arai
    • G01J1/02G01V8/12G08B17/00G08B17/12A62C37/18
    • G08B17/12G08B17/00G08B17/113
    • A system and method for detecting a fire source in a supervised region by means of fire detectors which effectively scan all over such region. A plurality of reference fire sources of the same geometric shape of the minimum size to be regareded as a fire are assumed to be located in successive predetermined position on the floor of the supervised region. Vertical control means successively sets the vertical deflection angles of each detector along the respective straight lines from each detector which graze by the upper end of the respective fire sources and to the lower end of the succeeding fire source. The system also comprises horizontal control means for causing the detectors to horizontally scan the supervised region. Upon detection of a fire, the detectors provide fire detection signals to a central processor unit which then actuates a spray nozzle to direct fire extinguishing fluid on the fire.
    • 一种用于通过火灾探测器检测监督区域中的火源的系统和方法,该火灾探测器有效地扫描该区域。 假设要被视为火的最小尺寸相同几何形状的多个参考火源位于监督区域的地板上的连续预定位置。 垂直控制装置依次将每个检测器的垂直偏转角设置成从各个火源的上端掠过的每个检测器和相继的火源的下端沿着相应的直线。 该系统还包括用于使检测器水平地扫描监督区域的水平控制装置。 在检测到火灾时,检测器向中央处理器单元提供火灾检测信号,然后中央处理器单元启动喷嘴以将灭火液引导到火上。
    • 10. 发明申请
    • Fluid transmission device
    • 流体传动装置
    • US20060000682A1
    • 2006-01-05
    • US11157158
    • 2005-06-21
    • Yoshihisa YamamotoTokuji YoshimotoAkira Kitajima
    • Yoshihisa YamamotoTokuji YoshimotoAkira Kitajima
    • F16H41/24
    • F16H45/02F16H41/28F16H2041/243F16H2045/0294
    • In a fluid transmission device, a male fitting surface of a periphery of a diameter-expanded portion of a pump shell is fitted to a female fitting surface of an inner circumference of a peripheral wall portion of a cylindrical transmission cover, and a fillet weld being is formed between an end surface of the peripheral wall portion and a peripheral surface of the diameter-expanded portion along an entire circumference, thereby connecting together the pump shell and the transmission cover. An annular recess is formed in an inner circumferential surface of the peripheral wall portion to adjoin the female fitting surface on the side opposite from the fillet weld. A portion of the transmission cover corresponding to the recess constitutes an annular thin-walled portion which has a thickness smaller than the portions of the transmission cover along the opposite sides of the annular thin wall portion. Therefore, even if the diameters of the pump shell and the transmission cover are increased, the durability of the pump shell and the transmission cover can be improved by alleviating excessive stress concentration on the fillet weld between the pump shell and the transmission cover.
    • 在流体传动装置中,泵壳的直径扩大部分的周边的阳配合表面装配到圆柱形传动罩的周壁部分的内圆周的阴配合表面上,并且角焊 沿圆周方向形成在周壁部的端面与直径扩大部的周面之间,由此将泵壳与变速器罩连接起来。 在周壁部的内周面形成有环状的凹部,以与与内角焊缝相反一侧的阴配合面相邻。 对应于凹部的传动罩的一部分构成环形薄壁部分,该环形薄壁部分的厚度小于沿着环形薄壁部分的相对侧的变速箱盖部分的厚度。 因此,即使泵壳和变速箱盖的直径增大,也可以通过减轻泵壳与变速箱盖之间的角焊缝上的过度的应力集中来提高泵壳和变速器盖的耐久性。