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    • 42. 发明授权
    • Group of full-circumferential-flow pumps and method of manufacturing the
same
    • 全圆周流泵组及其制造方法
    • US5797731A
    • 1998-08-25
    • US607264
    • 1996-02-21
    • Makoto KobayashiMasakazu YamamotoYoshio MiyakeKoji IsemotoKeita UwaiYoshiaki Miyazaki
    • Makoto KobayashiMasakazu YamamotoYoshio MiyakeKoji IsemotoKeita UwaiYoshiaki Miyazaki
    • F04D13/14F04D15/00F04D29/62F04B17/03
    • F04D13/14F04D15/0066F04D29/628F05B2230/601Y10T29/49243
    • A group of full-circumferential-flow pumps has a group of motors each comprising a main shaft, a rotor mounted on the main shaft, a stator disposed around the rotor, a cylindrical outer motor frame fitted over the stator, and an outer cylinder disposed around the cylindrical outer motor frame with an annular space defined therebetween, a group of pump parts oriented in opposite directions to meet different directions in which the main shafts of the motors rotate, and a group of frequency converters for energizing the motors to rotate at high speeds. In order to meet rating requirements including flow rates and pump heads, the group of motors, the group of pump parts, and the group of frequency converters are combined to provide a group of single-suction-type full-circumferential-flow pumps that are powered by a commercial electric power supply and belong to a first type for applications to pump a fluid at a small rate under a low pump head, and a group of single-suction-type full-circumferential-flow pumps that are rotatable at high speeds and belong to a second type for applications to pump a fluid at a small rate under a high pump head.
    • 一组全圆周流泵具有一组电动机,每个电动机包括主轴,安装在主轴上的转子,设置在转子周围的定子,安装在定子上的圆柱形外部电动机框架和设置在外部圆筒状外筒上的外筒 围绕圆筒形的外部马达框架具有限定在其间的环形空间,一组泵组件以相反方向定向,以满足电动机主轴旋转的不同方向,以及一组变频器,用于激励电动机高速旋转 速度。 为了满足流量和泵头的等级要求,组合电机,泵组和变频器组组合提供一组单吸式全圆周流泵, 由商用电源供电,属于第一种,用于在低泵头下以较小的速率泵送流体的应用,以及可高速旋转的一组单吸式全周向流量泵 并且属于用于在高泵头下以较小速率泵送流体的应用的第二类型。
    • 49. 发明授权
    • Stacked differentially driven transmission line on integrated circuit
    • 集成电路上堆叠的差分驱动传输线
    • US4626889A
    • 1986-12-02
    • US682938
    • 1984-12-18
    • Masakazu YamamotoAkira MasakiRyotaro Kamikawai
    • Masakazu YamamotoAkira MasakiRyotaro Kamikawai
    • H01L21/3205H01L23/52H01L23/522H01L23/64H01P3/08H01P3/18
    • H01L23/64H01L23/522H01L2924/0002H01L2924/3011
    • A semiconductor integrated circuit structure including a semiconductor substrate having a large area adapted for a large scale integration, a circuit formed in the substrate for generating a pair of complementary signals, a pair of common potential level layers with an electrically insulating layer interposed therebetween, the common potential level layers being formed above and being electrically insulated from the substrate, and a pair of electric conductor pattern layers formed in the insulating layer for conducting the pair of complementary signals. The electric conductor pattern layers are arranged so as to be overlapped with each other in a direction substantially perpendicular to the large area substrate and so as to be substantially parallel with the large area substrate. The overall length of the electric conductor pattern layers is such that when an electric signal is conducted through an electric conductor in an IC having a length equal to the above-mentioned overall length, attenuation of the signal thereby is not negligible.
    • 一种半导体集成电路结构,包括具有适合于大规模集成的大面积的半导体衬底,形成在用于产生一对互补信号的衬底中的电路,一对具有介于其间的电绝缘层的公共电位电平层, 公共电位层形成在上方并与衬底电绝缘,以及一对电导体图案层,形成在绝缘层中,用于引导该对互补信号。 电导体图案层被布置成在与大面积基板大致垂直的方向上彼此重叠,并且与大面积基板大致平行。 电导体图形层的总长度使得当电信号通过长度等于上述总长度的IC中的导电体传导时,信号的衰减不可忽略。