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    • 1. 发明专利
    • Method for repairing and restoring gas turbine combustion linear, and gas turbine combustion linear
    • 修复和恢复气体涡轮机燃烧线性的方法和气体涡轮机燃烧线性
    • JP2013007342A
    • 2013-01-10
    • JP2011141158
    • 2011-06-24
    • Toshiba Corp株式会社東芝
    • SAITO DAIZOTAKAKU REKIYOSHIOKA HIROAKIITO KATSUYASUISHIBASHI KAZUTOSHI
    • F02C7/00B23K35/22C22C19/05C22F1/00C22F1/10C23C10/52F01D25/00F23R3/42
    • PROBLEM TO BE SOLVED: To reuse a gas turbine combustion linear having a reduced thickness by restoring its deteriorated material quality, repairing the linear, and increasing the thickness.SOLUTION: A method for repairing and restoring the gas turbine combustion linear includes: a receiving and inspecting step (S1) of receiving the gas turbine combustion linear 16 subjected to deteriorated material quality and fatigue damage and inspecting the damage; a coating/oxidized layer removal step (S2) of removing coating and an oxidized layer from the combustion linear 16 after inspected; a cleaning step (S3) of cleaning the combustion linear after the coating and oxidized layer removal are removed; a thickness increasing and repairing step (S4) of increasing the thickness of the combustion linear by diffusively brazing a repairing material on an inner surface by a centrifugal force generated by rotation while rotating the combustion linear in a vacuum; a diffusive heat treatment step (S5) of thermally treating the combustion linear after it is put into a vacuum heat-treatment furnace; and a recoating step (S6) of recoating the combustion linear after the diffusive heat treatment step.
    • 要解决的问题:通过恢复其劣化的材料质量,修复线性并增加厚度来重新使用具有减小的厚度的燃气轮机燃烧线性。 解决方案:一种用于修复和恢复燃气轮机燃烧线性的方法包括:接收和检查步骤(S1),其接收经受劣化的材料质量和疲劳损伤并检查损坏的燃气轮机燃烧线性16; 在检查后从燃烧线16去除涂层和氧化层的涂层/氧化层去除步骤(S2) 在除去涂层和氧化层去除之后清洁燃烧线性的清洁步骤(S3); 通过在真空中旋转燃烧线性旋转时通过旋转产生的离心力对内表面上的修补材料进行扩散钎焊来增加燃烧线的厚度的增厚和修复步骤(S4) 在将其放入真空热处理炉中之后对其进行线性热处理的漫射热处理步骤(S5); 以及在扩散热处理步骤之后重新涂覆线性的重涂步骤(S6)。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Method for removing crack of rotary electric machine rotor, rotary electric machine rotor and rotary electric machine
    • 旋转电机转子,旋转电机转子和旋转电机的拆卸方法
    • JP2007181380A
    • 2007-07-12
    • JP2005380344
    • 2005-12-28
    • Toshiba Corp株式会社東芝
    • MATSUYAMA KOJICHIBA HIDEKIITO HIROMICHIYOSHIOKA HIROAKISAITO KAZUHIROKITAJIMA TOSHIOKAHATA YASUONAGANO RYOJIKOINUMA HIROAKIHIRAI KANAME
    • H02K15/02
    • H02K15/0006H02K1/26Y10T29/49009Y10T29/49012Y10T29/49726Y10T29/49734Y10T29/49996
    • PROBLEM TO BE SOLVED: To provide a method for removing crack occurring in the contact surface with a rotor core side wedge easily by treatment from the outer circumferential surface of the rotor core section, and to provide a rotary electric machine rotor from which crack is removed by that method, and a rotary electric machine equipped with that rotary electric machine rotor. SOLUTION: In the rotary electric machine rotor 10 comprising a plurality of slots formed in the outer circumferential surface of a rotor core section 11 in the axial direction, a coil contained in the slots 12, and wedges inserted into the upper portion of the slots 12 while being arranged in the axial direction in order to hold the coil in the slots 12, a crack 14 at the rotor core section 11 occurred in the contact surface of the slot 12 and the wedge is eliminated by removing the region from the outer circumferential surface of the rotor core section 11 to the central axis side thereof including the crack, and the region in the circumferential direction of the rotor core section 11 corresponding to that region. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种通过从转子铁芯部的外周面处理容易地利用转子铁芯侧楔去除接触面上的裂纹的方法,并且提供一种旋转电机转子,由此, 通过该方法除去裂纹,以及配备有该旋转电机转子的旋转电机。 解决方案:在包括在轴向方向上形成在转子芯部11的外周表面中的多个槽的旋转电机转子10中,容纳在槽12中的线圈和插入到转子芯部11的上部的楔 狭槽12沿轴向布置以将线圈保持在槽12中,在槽12的接触表面中出现转子芯部11处的裂纹14,并且通过从该槽12中移除该区域来消除楔形物 转子铁芯部11的外周面与包含裂纹的中心轴侧以及与该区域对应的转子铁心部11的圆周方向的区域。 版权所有(C)2007,JPO&INPIT
    • 8. 发明专利
    • Feed water pump
    • 进水泵
    • JP2003301792A
    • 2003-10-24
    • JP2002106559
    • 2002-04-09
    • Toshiba Corp株式会社東芝
    • YOSHIOKA HIROAKISAITO MASAHIROSAKAMOTO SADAOOKIHARA TATSUYA
    • F04D29/02F04D29/04F04D29/043
    • PROBLEM TO BE SOLVED: To provide a feed water pump having shaft sealing part(s) wherein exfoliation of a covering layer of the shaft sealing part resulting from corrosion, wear, erosion, etc., is suppressed.
      SOLUTION: The feed water pump has shaft sealing part(s) where an allow powder containing Ni, Cr, Fe and W as essential component or a mixture powder prepared by adding WC and/or Cr
      2 C
      3 to the mentioned alloy powder is applied by a high-speed flame fusion spray to form coatings on a rotary shaft in its shaft sealing part and at least either of a throttle bushing and a casing adjoining to the rotary shaft.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种具有轴密封部的给水泵,其中抑制了由于腐蚀,磨损,侵蚀等引起的轴封部分的覆盖层的剥离。

      解决方案:给水泵具有轴密封部分,其中含有Ni,Cr,Fe和W作为必需组分的允许粉末或通过添加WC和/或Cr 2 3 ,以在其轴密封部分中的旋转轴上形成涂层,并且至少与节流阀套管和壳体相邻 旋转轴。 版权所有(C)2004,JPO