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    • 62. 发明授权
    • Electric power plant, and method for running electric power plant
    • 电厂,电厂运行方式
    • US08448439B2
    • 2013-05-28
    • US12920505
    • 2009-01-30
    • Koji NambaShigeo HatamiyaFumio TakahashiKoji NishidaSusumu NakanoTakanori Shibata
    • Koji NambaShigeo HatamiyaFumio TakahashiKoji NishidaSusumu NakanoTakanori Shibata
    • F01K3/00F01K13/02F01K13/00F01K17/00F01K7/34
    • F01K17/005
    • An electric power plant supplies steam generated to a high-pressure turbine and a low-pressure turbine. The steam discharged from the low-pressure turbine is condensed with a condenser. Water generated with the condenser is heated with a low-pressure feed water heater and a high-pressure feed water heater. The steam extracted from the high-pressure turbine is supplied to the high-pressure feed water heater. The steam extracted from the low-pressure turbine is compressed with a steam compressor, and the steam whose temperature has been increased is then supplied to the high-pressure feed water heater. The feed water is heated in the high-pressure feed water heater by the steam extracted from the high-pressure turbine and the steam compressed with the steam compressor. Because the feed water is heated by the extracted steam and the compressed steam in the high-pressure feed water heater, the amount of power consumed by the steam compressor can be reduced.
    • 电力厂将产生的蒸气供给到高压汽轮机和低压汽轮机。 从低压涡轮机排出的蒸汽与冷凝器一起冷凝。 用冷凝器产生的水用低压给水加热器和高压给水加热器加热。 将从高压涡轮机抽出的蒸汽供给到高压给水加热器。 从低压涡轮机提取的蒸汽用蒸汽压缩机压缩,然后将温度升高的蒸汽供给至高压给水加热器。 供给水在高压给水加热器中被从高压汽轮机抽出的蒸汽和用蒸汽压缩机压缩的蒸汽加热。 由于供水通过提取的蒸汽和高压给水加热器中的压缩蒸汽进行加热,因此可以减少蒸汽压缩机消耗的功率。
    • 63. 发明授权
    • Pneumatic tire
    • 气动轮胎
    • US08151842B2
    • 2012-04-10
    • US12295411
    • 2007-04-02
    • Fumio TakahashiSeiji Ishikawa
    • Fumio TakahashiSeiji Ishikawa
    • B60C11/117B60C11/12
    • B60C11/032B60C11/0306B60C11/0318B60C11/04
    • A pneumatic tire is provided which has sufficient total properties and mass productivity of a tire without reducing drainage capability due to narrowed circumferential grooves, achieves high design flexibility of tread patterns and stiffness of land portion as intended, and also effectively reduces undesired air column resonance noise produced by the circumferential grooves. The pneumatic tire includes a circumferential groove 3 which continuously and circumferentially extends in a straight line and arranged on a tread 1, and resonators 5 which are open to the circumferential groove 3 and terminate in a land portion 4, each of the resonators 5 being configured with an air chamber 6 open toward a land portion surface, and a narrowed neck 7 for communication between the air chamber 6 and the circumferential groove 3, and the narrowed neck 7 has the plane maximum width w0 which is within a range of from 3 to 50% of the plane maximum width w1 of the air chamber 6.
    • 提供了一种充气轮胎,其具有足够的轮胎的总性能和批量生产率,而不会由于圆周槽变窄而降低排水能力,达到预期的胎面花纹的高设计灵活性和陆地部分的刚度,并且还有效地减少不期望的气柱共振噪声 由周向槽产生。 充气轮胎包括沿直线布置并布置在胎面1上的周向槽3和对周向槽3敞开并终止于陆部4的谐振器5,每个谐振器5构造成 具有朝向陆部表面开口的空气室6,以及用于气室6和周向槽3之间连通的狭窄颈部7,并且变窄的颈部7的平面最大宽度w0在3至 空气室6的平面最大宽度w1的50%。
    • 64. 发明申请
    • Electric Power Plant, and Method for Running Electric Power Plant
    • 电厂和运行电厂的方法
    • US20110005225A1
    • 2011-01-13
    • US12920505
    • 2009-01-30
    • Koji NambaShigeo HatamiyaFumio TakahashiKoji NishidaSusumu NakanoTakanori Shibata
    • Koji NambaShigeo HatamiyaFumio TakahashiKoji NishidaSusumu NakanoTakanori Shibata
    • F01K13/00F01K17/00
    • F01K17/005
    • An electric power plant, e.g., a boiling water reactor nuclear power plant supplies steam generated in a nuclear reactor to a high-pressure turbine and a low-pressure turbine. The steam discharged from the low-pressure turbine is condensed with a condenser. Water generated with the condenser, used as feed water, flows through a feed water pipe, is heated with a low-pressure feed water heater and a high-pressure feed water heater, and then supplied to the nuclear reactor. The steam extracted from the high-pressure turbine is supplied to the high-pressure feed water heater. The steam extracted from the low-pressure turbine is compressed with a steam compressor, and the steam whose temperature has been increased is then supplied to the high-pressure feed water heater. The feed water to be directed to the nuclear reactor is heated in the high-pressure feed water heater by both the steam extracted from the high-pressure turbine and the steam compressed with the steam compressor. Because the feed water is heated by both the extracted steam and the compressed steam in the high-pressure feed water heater, the amount of plant service power consumed by the steam compressor can be reduced. Therefore, it is possible to increase thermal efficiency in the electric power plant when increasing the power output.
    • 诸如沸水堆核电站的发电厂将在核反应堆中产生的蒸汽提供给高压涡轮机和低压涡轮机。 从低压涡轮机排出的蒸汽与冷凝器一起冷凝。 用作为给水的冷凝器产生的水通过给水管流动,用低压给水加热器和高压给水加热器加热,然后供给核反应堆。 将从高压涡轮机抽出的蒸汽供给到高压给水加热器。 从低压涡轮机提取的蒸汽用蒸汽压缩机压缩,然后将温度升高的蒸汽供给至高压给水加热器。 通过从高压涡轮机提取的蒸汽和用蒸汽压缩机压缩的蒸汽,在高压给水加热器中加热要引导到核反应堆的给水。 由于通过高压给水加热器中的抽出的蒸汽和压缩蒸汽两者来供给供水,所以可以减少蒸汽压缩机所消耗的设备的使用能量。 因此,当增加功率输出时,可以提高发电厂的热效率。
    • 65. 发明申请
    • PNEUMATIC TIRE
    • 气动轮胎
    • US20090165908A1
    • 2009-07-02
    • US12295411
    • 2007-04-02
    • Fumio TakahashiSeiji Ishikawa
    • Fumio TakahashiSeiji Ishikawa
    • B60C11/13
    • B60C11/032B60C11/0306B60C11/0318B60C11/04
    • A pneumatic tire is provided which has sufficient total properties and mass productivity of a tire without reducing drainage capability due to narrowed circumferential grooves, achieves high design flexibility of tread patterns and stiffness of land portion as intended, and also effectively reduces undesired air column resonance noise produced by the circumferential grooves. The pneumatic tire includes a circumferential groove 3 which continuously and circumferentially extends in a straight line and arranged on a tread 1, and resonators 5 which are open to the circumferential groove 3 and terminate in a land portion 4, each of the resonators 5 being configured with an air chamber 6 open toward a land portion surface, and a narrowed neck 7 for communication between the air chamber 6 and the circumferential groove 3, and the narrowed neck 7 has the plane maximum width w0 which is within a range of from 3 to 50% of the plane maximum width w1 of the air chamber 6.
    • 提供了一种充气轮胎,其具有足够的轮胎的总性能和批量生产率,而不会由于圆周槽变窄而降低排水能力,达到预期的胎面花纹的高设计灵活性和陆地部分的刚度,并且还有效地减少不期望的气柱共振噪声 由周向槽产生。 充气轮胎包括沿直线布置并布置在胎面1上的周向槽3和对周向槽3敞开并终止于陆部4的谐振器5,每个谐振器5构造成 具有朝向陆部表面开口的空气室6,以及用于气室6和周向槽3之间连通的狭窄颈部7,并且变窄的颈部7的平面最大宽度w0在3至 空气室6的平面最大宽度w1的50%。
    • 66. 发明申请
    • LEAF SPRING MATERIAL AND MANUFACTURING METHOD THEREOF
    • 叶片弹簧材料及其制造方法
    • US20090139615A1
    • 2009-06-04
    • US12324472
    • 2008-11-26
    • Michihiko AyadaYoshiki OnoFumio TakahashiHironori EbashiSakae Kikuchi
    • Michihiko AyadaYoshiki OnoFumio TakahashiHironori EbashiSakae Kikuchi
    • C21D1/10C22C38/00
    • C21D9/02
    • The present invention provides a leaf spring material superior in mechanical characteristics and a manufacturing method of the leaf spring material capable of reliably achieving the same, utilizing induction hardening. The manufacturing method of the leaf spring material comprises the steps of imparting tensile stress on a first surface along the longitudinal direction of the first surface and compressive stress on a second surface along the longitudinal direction of the second surface of a substantially strip-shaped steel plate, and subjecting the first surface to induction hardening. With this induction hardening, an induction-hardened structure having a higher average hardness than that of a parent material structure in the vicinity of the second surface and comprising martensite and finely and evenly dispersed austenite is imparted on a surface layer in the vicinity of the first surface.
    • 本发明提供了一种机械特性优异的板簧材料和利用感应淬火能够可靠地实现的板簧材料的制造方法。 板簧材料的制造方法包括以下步骤:沿着第一表面的纵向方向在第一表面上施加拉伸应力,并且沿着基本条形钢板的第二表面的纵向在第二表面上施加压缩应力 并对第一表面进行感应淬火。 通过这种感应淬火,在第二表面附近具有比母体材料结构高的包含马氏体并且均匀分散的奥氏体的感应硬化结构被赋予在第一 表面。
    • 67. 发明授权
    • Optical branching unit
    • 光分支单元
    • US07362933B2
    • 2008-04-22
    • US11594529
    • 2006-11-08
    • Fumio TakahashiKoji IshikawaNorihiro Tajima
    • Fumio TakahashiKoji IshikawaNorihiro Tajima
    • G02B6/42G02B6/10
    • G02B6/1228G02B6/125G02B2006/1215
    • In an optical branching unit according to the invention, the cross section shape in an area of a front stage to branch to two output waveguides in the optical branch is a rectangle or a non-circle with different vertical-to-horizontal ratio, including an area that the length along the surface of the substrate is defined to be shorter than the length in the direction orthogonal to the surface of a substrate, the cross section at the output ends of the output waveguide is a rectangle or a non-circle with a different vertical-to-horizontal ratio, where the length along the surface of the substrate is defined to be longer than the length in the direction orthogonal to the surface of the substrate.
    • 在根据本发明的光分支单元中,分支到光分支中的两个输出波导的前级区域中的横截面形状是具有不同垂直与水平比的矩形或非圆形,包括 将基板表面的长度定义为短于与基板的表面正交的方向的长度的区域,输出波导的输出端的截面为矩形或非圆形, 不同的垂直与水平比,其中沿衬底表面的长度被定义为长于与衬底表面正交的方向上的长度。
    • 68. 发明申请
    • Optical fiber array and manufacturing method thereof
    • 光纤阵列及其制造方法
    • US20070122085A1
    • 2007-05-31
    • US11605774
    • 2006-11-28
    • Fumio TakahashiKiyoshi KurumadaKen Kiriya
    • Fumio TakahashiKiyoshi KurumadaKen Kiriya
    • G02B6/36
    • G02B6/368G02B6/3636G02B6/3652G02B6/3668
    • The present invention provides a high-density and high-precision optical fiber array which can stably be manufactured with excellent operability and which can maintain excellent characteristics while suppressing insertion loss with respect to optical parts by optimizing constituent parts of the high-density optical fiber array. The present invention also provides a manufacturing method of the optical fiber array. According to the optical fiber array, a plurality of V-grooves are formed in a V-groove substrate in parallel to each other. A plurality of optical fibers whose end coatings are removed are aligned in the V-grooves. The optical fibers are fixed, using an adhesive, between the V-groove substrate and a lid plate to be placed on the optical fibers. In the optical fiber array, an average value of pitches of the V-grooves is substantially equal to an average value of outer diameters of the optical fibers. A radius of curvature of fiber curl of each optical fiber is 8 meters or more.
    • 本发明提供一种高密度和高精度的光纤阵列,其可以稳定地制造具有优异的可操作性,并且通过优化高密度光纤阵列的组成部分来抑制相对于光学部件的插入损耗,可以保持优异的特性 。 本发明还提供了一种光纤阵列的制造方法。 根据该光纤阵列,在V槽基板上形成多个V槽,并且彼此平行。 将其末端涂层除去的多根光纤在V形槽中排列。 使用粘合剂将光纤固定在V形槽基板和盖板之间以放置在光纤上。 在光纤阵列中,V槽的间距的平均值基本上等于光纤的外径的平均值。 每个光纤的纤维卷曲的曲率半径为8米以上。
    • 70. 发明授权
    • Multiple split optical waveguide
    • 多分裂光波导
    • US07116867B2
    • 2006-10-03
    • US10483507
    • 2002-04-12
    • Fumio Takahashi
    • Fumio Takahashi
    • G02B6/26
    • G02B6/2804G02B6/125
    • Disclosed is a multiple split optical waveguide in which a branch waveguide path at an output end of a branch part of a first stage defines an acute angle with respect to an input waveguide path, and a branch waveguide path at an input end of a branch part of an n-th stage is no more inclined toward a central axial line defined by an extension line of the input waveguide path than a branch waveguide path at an input end of a branch part of an (n+1)-th stage, n being an integer equal to or greater than two. Thus, the waveguide paths are prevented from spreading beyond the first branch angle, and it becomes easier to bring the outer waveguide guide paths back toward the center. This prevents an increase in the variations in length between the outer and inner waveguide paths.
    • 公开了一种多分割光波导,其中在第一级的分支部分的输出端的分支波导路径相对于输入波导路径限定锐角,并且在分支部分的输入端限定分支波导路径 第n级的分支部分的输入端的分支波导路径不再倾斜于由输入波导路径的延长线限定的中心轴线,n(n + 1) 是等于或大于2的整数。 因此,防止波导路径扩展超过第一分支角,并且容易使外波导引导路径返回到中心。 这防止了在外部和内部波导路径之间的长度变化的增加。