会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明专利
    • Nozzle box for steam turbine and steam turbine
    • 用于蒸汽涡轮和蒸汽涡轮的喷嘴箱
    • JP2010209857A
    • 2010-09-24
    • JP2009058747
    • 2009-03-11
    • Toshiba Corp株式会社東芝
    • OTOMO FUMIOOISHI TSUTOMUIWAI YASUNORIONO MUNEHISANIIZEKI YOSHIKIMATSUDA HISASHIYAMASHITA KATSUYAINOMATA ASAKOKAWAGISHI HIROYUKISHIINA HIROKIABE TORU
    • F01D9/02F01D9/04F01D25/24
    • PROBLEM TO BE SOLVED: To provide a nozzle box for a steam turbine reducing pressure loss when introducing steam to a first stage moving blade and improving turbine efficiency, and a steam turbine including the nozzle box for the steam turbine.
      SOLUTION: The nozzle box 10 is composed of an annular steam flow passage for leading steam introduced to a steam flow passage 20 expanding in the circumferential direction from a steam inlet pipe 220 to a first stage nozzle 213a. The nozzle box 10 has a flow passage cross section reducing part 40 in which the height of the steam flow passage in the radial direction is gradually reduced toward downstream of steam flow. In a reinforcing rib 30, a position of at least a portion of a front edge end 31 over the radial direction of the reinforcing rib 30 in the axial direction of a turbine rotor is made different from a position of another portion in the axial direction of the turbine rotor.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于汽轮机的喷嘴箱,当将蒸汽引入第一级动叶片并提高涡轮机效率时减少压力损失,以及包括用于蒸汽轮机的喷嘴箱的蒸汽轮机。 解决方案:喷嘴箱10包括一个环形蒸汽流动通道,用于将导入蒸气流道20的蒸汽引导到从蒸汽入口管220到第一级喷嘴213a在圆周方向上膨胀的蒸汽流动通道20。 喷嘴箱10具有流路截面减小部40,其中,蒸汽流路在径向上的高度朝向蒸汽流的下游逐渐减小。 另外,在加强筋30中,与涡轮转子的轴向的加强肋30的径向的前端部31的至少一部分的位置不同于沿轴向的另一部分的位置 涡轮转子。 版权所有(C)2010,JPO&INPIT
    • 2. 发明专利
    • Nozzle box for steam turbine, and steam turbine
    • 蒸汽涡轮喷嘴和蒸汽涡轮
    • JP2010038099A
    • 2010-02-18
    • JP2008204195
    • 2008-08-07
    • Toshiba Corp株式会社東芝
    • IWAI YASUNORIOTOMO FUMIONIIZEKI YOSHIKIKAWAKAMI HIROSHIOISHI TSUTOMU
    • F01D9/02
    • PROBLEM TO BE SOLVED: To provide a nozzle box for a steam turbine capable of leading steam to a first-stage nozzle by reducing a pressure loss when the steam flows between reinforcing ribs, and to provide a steam turbine with the nozzle box for the steam turbine. SOLUTION: The nozzle box 10 is configured such that the steam introduced from a steam inlet pipe 220 and led to flow into a circumferentially enlarging steam flow passage 20 is led to the first-stage nozzle 213a through the reinforcing ribs 30, 35. The reinforcing rib 35 of the reinforcing ribs 30, 35 arranged upstream of the first-stage nozzle 213a is arranged according to a steam flow direction at an angle different from the reinforcing rib 30. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种能够通过减小蒸汽在加强肋之间流动时的压力损失来引导蒸汽到第一级喷嘴的汽轮机的喷嘴箱,并且提供具有喷嘴箱的蒸汽轮机 用于汽轮机。 解决方案:喷嘴箱10构造成使得从蒸汽入口管220引入并被引导到周向扩大的蒸汽流动通道20中的蒸汽通过加强肋30,35被引导到第一级喷嘴213a 设置在第一级喷嘴213a上游的加强筋30,35的加强筋35根据与加强肋30不同角度的蒸汽流动方向布置。(C)2010,JPO&INPIT
    • 3. 发明专利
    • Steam turbine
    • 汽轮机
    • JP2007255218A
    • 2007-10-04
    • JP2006077183
    • 2006-03-20
    • Toshiba Aitekku KkToshiba Corp東芝アイテック株式会社株式会社東芝
    • IWAI YASUNORISAEKI YUSHINIIZEKI YOSHIKITSUTSUI MASASHI
    • F01D25/30
    • PROBLEM TO BE SOLVED: To provide a steam turbine for reducing loss by restraining a separated vortex generated in the vicinity of a three-dimensional structural member, while preventing the deformation of an end plate by external pressure.
      SOLUTION: This steam turbine is composed of a casing 1, a rotor 3 rotatably arranged around a rotary shaft 3a, a moving blade 4, and a nozzle 21, and has a final stage 20 discharging steam, an annular diffuser 30 arranged in the casing on the downstream side of the final stage and guiding the discharged steam, and the end plate 18 arranged in the direction orthogonal to the rotor in the casing on the downstream side of the diffuser. The diffuser has a chip flow guide 5 constituting the outer peripheral edge and a bearing cone 7 constituting the inner peripheral edge. The box-shaped three-dimensional structural member 9 for reinforcing the end plate is arranged between a lower part of the bearing cone and the end plate. A side surface shape of the three-dimensional structural member is formed in a divergent shape toward the end plate.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种通过抑制在三维结构构件附近产生的分离的涡流而减少损失的汽轮机,同时防止端板由于外部压力而变形。 该蒸汽轮机由壳体1,可旋转地配置在旋转轴3a,动叶片4和喷嘴21周围的转子3构成,具有排出蒸汽的最终级20,配置有环状扩散器30 在最终级的下游侧的壳体中引导排出的蒸汽,并且在扩散器的下游侧沿壳体内的与转子正交的方向配置端板18。 扩散器具有构成外周边缘的芯片流动引导件5和构成内周边缘的轴承锥体7。 用于加强端板的箱形三维结构构件9布置在轴承锥体的下部和端板之间。 三维结构构件的侧面形状朝向端板形成为发散形状。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Working fluid lead-in part structure of axial flow turbine and axial flow turbine
    • 轴流式涡轮机和轴流式涡轮机的工作流体引导部分结构
    • JP2010216313A
    • 2010-09-30
    • JP2009062048
    • 2009-03-13
    • Toshiba Corp株式会社東芝
    • IWAI YASUNORIOISHI TSUTOMUNIIZEKI YOSHIKIKAWABATA TARO
    • F01D9/06
    • F01D9/047F01D9/06F01D25/26F05D2210/43F05D2240/128F05D2250/20
    • PROBLEM TO BE SOLVED: To provide a working fluid lead-in part structure of an axial flow turbine, capable of reducing a pressure loss in a steam channel and improving turbine efficiency and an axial flow turbine including the working fluid lead-in part structure.
      SOLUTION: The steam lead-in part structure 10 includes: a lead-in pipe 20; a bent pipe 30 connected to the lead-in pipe 20 and formed so as to change the direction of the channel center line 50 to an axial direction of a turbine rotor 212; and an annular pipe 40 connected to the bent pipe 30 and leading steam to a first-stage nozzle 213a while spreading the steam in the circumferential direction of the turbine rotor 212. In the steam lead-in part structure 10, from the inlet of the lead-in pipe 20 toward an outlet of the annular pipe 40, steam channel widths Sa-1 to Sn-1 in a first direction intersecting with the channel center line 50 gradually increases and steam channel widths Sa-2 to Sn-2 in a second direction intersecting with the channel center line 50 and perpendicular to the first direction gradually decreases.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种轴流涡轮机的工作流体引入部分结构,其能够减少蒸汽通道中的压力损失并提高涡轮机效率,以及包括工作流体引入的轴流涡轮机 部分结构。 蒸汽引入部分结构10包括:引入管20; 连接到引入管20并形成为沿着涡轮转子212的轴向改变通道中心线50的方向的弯管30; 以及环形管40,连接到弯管30,并将蒸汽引导到第一级喷嘴213a,同时在涡轮转子212的圆周方向上分散蒸汽。在蒸汽引入部分结构10中,从蒸汽引入部分结构10的入口 引入管20朝向环形管40的出口,在与通道中心线50相交的第一方向上的蒸汽通道宽度Sa-1至Sn-1逐渐增加,蒸气通道宽度Sa-2至Sn-2在 与通道中心线50相交并垂直于第一方向的第二方向逐渐减小。 版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • Manufacturing process of water-repellent membrane, liquid transportation piping and water-repellent membrane
    • 水膜,液体运输管道和水膜的制造工艺
    • JP2007211894A
    • 2007-08-23
    • JP2006032585
    • 2006-02-09
    • Toshiba Corp株式会社東芝
    • SAYANO AKIOSAITO YOSHIHISATAKAHASHI MASASHISUZUKI TOSHIAKINIIZEKI YOSHIKI
    • F15D1/12B63B1/34C08J9/26F15D1/06
    • Y02T70/121Y02T70/123
    • PROBLEM TO BE SOLVED: To provide the water-repellent membrane which can hold an air layer stably for a long term in the water-repellent membrane or the water-repellent membrane which can hold the air layer stably not only in the laminar flow region of small velocity but also in the turbulent flow region of big velocity.
      SOLUTION: The water-repellent membrane has a porosity of pores, having an average pore diameter of pores formed in the membrane not smaller than 5 nm and not larger than 50 nm, a porosity of the membrane of 15 to 50 volume%. A pore forming substance having an average particle size of not smaller than 5 nm and not larger than 50 nm is added to a composition for forming the water-repellent membrane to make the water repellent membrane composition. The obtained water repellent membrane forming composition is used to make the membrane on the surface of the base material. The membrane can be made by causing the water repellent membrane forming substance to disappear.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供能够长时间稳定地保持空气层的防水膜,可以在不仅可以在层流中稳定地保持空气层的防水膜或防水膜中 小流速的流动区域也在大流速的湍流区域。 解决方案:防水膜具有孔的孔隙率,其膜中形成的孔的平均孔径不小于5nm且不大于50nm,膜的孔隙率为15至50体积% 。 将平均粒径不小于5nm且不大于50nm的成孔物质添加到用于形成防水膜的组合物中以制成防水膜组合物。 所得到的防水膜形成组合物用于在基材的表面上制造膜。 可以通过使防水膜形成物质消失来制造膜。 版权所有(C)2007,JPO&INPIT