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1. 发明专利

JP2008297980A Shaft seal device 审中-公开
标题翻译：轴封装置
公开(公告)号：JP2008297980A
公开(公告)日：2008-12-11
申请号：JP2007145309
申请日：2007-05-31
申请人： Toshiba Aitekku Kk , Toshiba Corp , 東芝アイテック株式会社 , 株式会社東芝
发明人： YAMASHITA TATSUO , TSUTSUI MASASHI , SAKAKIDA HITOSHI , MIKAMI MAKOTO , ICHIMONJI MASAYUKI , HIRANO TOSHIO , IKEDA KAZUNORI
IPC分类号： F01D11/00 , F01D25/00 , F02C7/28 , F16J15/447
摘要： PROBLEM TO BE SOLVED: To provide a shaft seal device stabilized in the flow of the main flow and further improved in heat efficiency by preventing leaked vapor from flowing out and in. SOLUTION: This shaft seal device is provided with a moving blade tip upstream side vapor leak inhibition part 33 preventing a leak of working vapor in a gap between the upstream side tip of a shroud 29 and a diaphragm outer ring 24, and a moving blade root downstream side vapor leak inhibition part 34 preventing a leak of working vapor in a gap between the downstream side of a turbine disk 26 having the turbine moving blade 27 implanted thereon and a diaphragm inner ring 25 supporting an adjoining turbine nozzle 23. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供稳定在主流体流动中的轴封装置，并且通过防止泄漏的蒸汽流出和进入而进一步提高热效率。解决方案：该轴封装置具有移动叶片顶端上游侧蒸气泄漏抑制部33，防止在护罩29的上游侧前端与隔膜外圈24之间的间隙中的工作蒸气泄漏;以及动叶片下游侧蒸气泄漏抑制部34，在具有植入涡轮机动叶片27的涡轮叶片26的下游侧和支撑相邻的涡轮喷嘴23的隔膜内圈25之间的间隙中泄漏工作蒸气。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2007255218A Steam turbine 审中-公开
标题翻译：汽轮机
公开(公告)号：JP2007255218A
公开(公告)日：2007-10-04
申请号：JP2006077183
申请日：2006-03-20
申请人： Toshiba Aitekku Kk , Toshiba Corp , 東芝アイテック株式会社 , 株式会社東芝
发明人： IWAI YASUNORI , SAEKI YUSHI , NIIZEKI YOSHIKI , TSUTSUI MASASHI
IPC分类号： F01D25/30
摘要： 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
摘要翻译：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

3. 发明专利

JP2006132691A Rotary machine and shaft seal mechanism 审中-公开
标题翻译：旋转机和轴封机构
公开(公告)号：JP2006132691A
公开(公告)日：2006-05-25
申请号：JP2004323536
申请日：2004-11-08
申请人： Toshiba Aitekku Kk , Toshiba Corp , 東芝アイテック株式会社 , 株式会社東芝
发明人： YAMASHITA TATSUO , ICHIMONJI MASAYUKI , SAKAKIDA HITOSHI , IKEDA KAZUNORI , HIRANO TOSHIO , KITAGUCHI KOICHI , SHINOZAKI YUKIO , TSUTSUI MASASHI
IPC分类号： F16J15/447 , F04D29/08 , F04D29/10
摘要： PROBLEM TO BE SOLVED: To smooth radially inward movements of a seal segment of a shaft seal mechanism.
SOLUTION: The shaft seal mechanism includes seal segments 5 that extend circularly at an outside of the rotary shaft 1 and a plurality of which lies adjacent to one another circumferentially to be arranged so as to surround the circumference by all the segments, a seal ring holder 4 that forms a seal fins 6 that are fixed to an inside of the seal segments 5 and protrudes toward the rotary shaft 1 and further extends circumferentially, and a pressure chamber 8 that is fixed to a partition wall and into which a fluid of a high-pressure chamber 2 is drawn and holds the seal segments 5 so that the seal segments 5 is movable radially by making an outer circumference of the seal segments 5 contact with the pressure chamber 8, and an elastic member 9 for energizing the seal segments 5 outward. The seal segments 5 is pushed axially by a pressure difference between the high-pressure chamber 2 and a low-pressure chamber 3 to contact with the seal ring holder 4 at a contacting and depressing surface 10, while the contacting and depressing surface 10 tilts so that its diameter gets smaller toward the low-pressure chamber 3.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了平滑轴封机构的密封段的径向向内运动。解决方案：轴封机构包括在旋转轴1的外侧圆形延伸的密封部分5，并且沿周向彼此相邻的多个密封部分5被布置为围绕所有部分的圆周，形成密封翅片6的密封环保持件4，该密封片6固定到密封部5的内部并朝向旋转轴1突出并且进一步沿周向延伸;以及压力室8，固定到分隔壁，流体并且保持密封段5，使得密封段5可通过使密封段5的外周与压力室8接触而径向移动;以及弹性构件9，用于激励密封件 5段向外。密封段5被高压室2和低压室3之间的压差轴向推压，以在接触和压下表面10处与密封环保持件4接触，同时接触和压下表面10倾斜其直径朝向低压室3变小。（C）2006年，JPO＆NCIPI

4. 发明专利

JP2006132636A Shaft seal and rotary machine 审中-公开
标题翻译：轴封和旋转机
公开(公告)号：JP2006132636A
公开(公告)日：2006-05-25
申请号：JP2004321199
申请日：2004-11-04
申请人： Toshiba Aitekku Kk , Toshiba Corp , 東芝アイテック株式会社 , 株式会社東芝
发明人： YAMASHITA TATSUO , TSUTSUI MASASHI , ICHIMONJI MASAYUKI , IKEDA KAZUTAKA
IPC分类号： F16J15/447 , F01D11/02
摘要： PROBLEM TO BE SOLVED: To provide a shaft seal with high-sealing performance and high reliability. SOLUTION: There is provided a shaft seal that is arranged between a rotary shaft and a fixing system bearing surface to block a fluid flowing along the rotary shaft. In the shaft seal, a cuneiform clearance between the rotary shaft and the shaft seal is formed so as to get gradually smaller along a rotary direction of the rotary shaft. The shaft seal is equipped with a seal thin-plate member comprising a flexible material for generating dynamic pressure and a corrugated thin-plate member that is arranged at a clearance between upstream and downstream ends of the fluid in the seal thin-plate member and a stationary portion and comprises a flexible material for supporting the seal thin-plate member elastically to the stationary portion as well as sealing the clearance. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有高密封性能和高可靠性的轴封。解决方案：提供了一种轴密封件，其设置在旋转轴和固定系统支承表面之间以阻挡沿着旋转轴流动的流体。在轴封中，旋转轴和轴密封之间的楔形间隙形成为沿着旋转轴的旋转方向逐渐变小。轴封配备有包括用于产生动压的柔性材料的密封薄板构件和布置在密封薄板构件中的流体的上游和下游端之间的间隙处的波纹状薄板构件，以及并且包括用于将密封薄板构件弹性地支撑到固定部分以及密封间隙的柔性材料。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2004211586A Steam turbine 审中-公开
标题翻译：汽轮机
公开(公告)号：JP2004211586A
公开(公告)日：2004-07-29
申请号：JP2002381322
申请日：2002-12-27
申请人： Toshiba Aitekku Kk , Toshiba Corp , 東芝アイテック株式会社 , 株式会社東芝
发明人： NIIZEKI YOSHIKI , TAKAKUWA AKIHIRO , TSUTSUI MASASHI
IPC分类号： F01D25/30 , F01D25/26 , F01D25/32
摘要： PROBLEM TO BE SOLVED: To provide a steam turbine that can increase turbine output by reducing pressure loss of turbine exhaust more and that can prevent occurrence of corrosion due to drain (water droplet) by flowing turbine exhaust smoothly.
SOLUTION: The steam turbine includes a turbine casing 25 having a dual structure of an outer casing 26 and an inner casing 27 and a turbine exhaust chamber 45 formed on a turbine back end 28 on the end portion of the inner casing 27 via a diffuser 42. Seen from the front side of the turbine exhaust chamber 45, when the center line EOHL of the turbine casing cross section that passes through the turbine rotor center point of the casing 26 and the center line EOVL of the turbine casing longitudinal section that passes through the turbine rotor center point of the casing 26 are taken as coordinate axes, a rib 46 on the upper half formed on the turbine exhaust chamber is set as a first quadrant F1Q.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够通过减少涡轮机排气的压力损失来增加涡轮机输出的蒸气涡轮机，并且可以平稳地通过使涡轮机排气流动而防止由于排水（水滴）引起的腐蚀的发生。解决方案：蒸汽轮机包括涡轮壳体25，其具有外壳26和内壳27的双重结构，以及形成在内壳27的端部上的涡轮机后端28上的涡轮机排气室45，经由扩散器42.从涡轮排气室45的前侧观察，当涡轮壳体横截面的中心线EOHL通过壳体26的涡轮转子中心点和涡轮机壳体纵向截面的中心线EOVL时将穿过壳体26的涡轮机转子中心点的坐标轴作为坐标轴，将形成在涡轮机排气室上的上半部的肋46设定为第一象限F1Q。版权所有（C）2004，JPO＆NCIPI

6. 发明专利

JP2003014381A Condenser 审中-公开
标题翻译：冷凝器
公开(公告)号：JP2003014381A
公开(公告)日：2003-01-15
申请号：JP2001197178
申请日：2001-06-28
申请人： Toshiba Aitekku Kk , Toshiba Corp , 東芝アイテック株式会社 , 株式会社東芝
发明人： OTOMO FUMIO , TSUTSUI MASASHI , FUKUYAMA YOSHITAKA , NIIZEKI YOSHIKI , KONO SHUNJI , NEMOTO AKIRA
IPC分类号： F01K9/00 , F01K11/02 , F28B1/02 , F28F9/22
摘要： PROBLEM TO BE SOLVED: To provide a condenser wherein the flow of waste from a turbine is made good, and flow performance is further improved, and further the condensation rate of turbine waste to be condensed is improved.
SOLUTION: A condenser includes rectification plates 22a, 22b outside upper stage side water supply heaters 18, 19 laid on a connection trunk section 14 and lower stage side water supply heaters 20, 21 laid in the same.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种冷凝器，其中使来自涡轮机的废物流动良好，并且进一步提高流动性能，并且进一步提高要冷凝的涡轮废物的冷凝速率。解决方案：冷凝器包括布置在连接主干部分14上的上段侧供水加热器18,19和位于其上的下段侧供水加热器20,21之间的整流板22a，22b。

7. 发明专利

JP2013155784A Shaft seal device 审中-公开
标题翻译：轴封装置
公开(公告)号：JP2013155784A
公开(公告)日：2013-08-15
申请号：JP2012015525
申请日：2012-01-27
申请人： Toshiba Corp , 株式会社東芝
发明人： YAMASHITA TATSUO , OKUNO KENICHI , TAKAHASHI TORU , MIKAMI MAKOTO , TSUTSUI MASASHI
IPC分类号： F16J15/22 , F01D11/00 , F01D25/00 , F01D25/16 , F02C7/28 , F16J15/447
CPC分类号： F16J15/3288
摘要： PROBLEM TO BE SOLVED: To ensure accuracy in attaching a brush seal ring to a rotating shaft, even if machining precision of a channel part of a channel-type brush seal is not high, thereby significantly improving effect of reducing hydraulic fluid to be leaked.SOLUTION: A shaft seal device includes: an involute channel-type brush seal ring 26 with a channel part 30 formed on an outer circumferential surface; a high-pressure-side brush holder 27; and a low-pressure-side brush holder 28. On an abutment surface between the high-pressure-side brush holder 27 and the low-pressure-side brush holder 28, a groove with a space for housing the channel part 30 is formed. A ring-shaped brush holder holds the channel-type brush seal ring 26 between the high-pressure-side brush holder 27 and the low-pressure-side brush holder 28. The high-pressure-side brush holder 27 and/or the low-pressure-side brush holder 28 have a fitting structure with a pressure bulkhead or a pressure container in an installation position, and have a position reference surface for determining the installation position of the channel-type brush seal ring.
摘要翻译：要解决的问题：为了确保将刷子密封环安装到旋转轴上的精度，即使通道型电刷密封件的通道部分的加工精度不高，从而显着提高了降低液体流体泄漏的效果。解决方案：轴封装置包括：渐开线通道型刷密封环26，其具有形成在外圆周表面上的通道部分30; 高压侧电刷架27; 和低压侧电刷架28.在高压侧电刷架27和低压侧电刷架28之间的抵接面上形成有用于容纳通道部30的空间的槽。环形电刷架将通道型电刷密封环26保持在高压侧电刷架27和低压侧电刷架28之间。高压侧电刷架27和/ 压力侧电刷架28具有在安装位置具有压力隔板或压力容器的配合结构，并且具有用于确定通道型电刷密封环的安装位置的位置参考表面。

8. 发明专利

JP2006017015A Steam turbine 审中-公开
标题翻译：汽轮机
公开(公告)号：JP2006017015A
公开(公告)日：2006-01-19
申请号：JP2004194602
申请日：2004-06-30
申请人： Toshiba Aitekku Kk , Toshiba Corp , 東芝アイテック株式会社 , 株式会社東芝
发明人： SAEKI YUSHI , IWAI YASUNORI , NIIZEKI YOSHIKI , TSUTSUI MASASHI
IPC分类号： F01D25/26 , F01D25/30
摘要： PROBLEM TO BE SOLVED: To provide a steam turbine to improve the turbine-exhaust performance by further lessening the pressure loss of a turbine exhaust chamber, and highly maintain the strength of the turbine exhaust chamber.
SOLUTION: The steam turbine is provided with a front partition plate 37a and a rear partition plate 37b in an external casing lower half part 21a
2 . Bordering a lower half keel rib 34b installed in the external casing lower half part 21a
2 , the front partition plate 37a and the rear partition plate 37b are extended toward side walls 38a, 38b of the external casing lower half part 21a
2 , and arranged to tilt.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种汽轮机，通过进一步减轻涡轮排气室的压力损失来提高涡轮排气性能，并且高度保持涡轮排气室的强度。解决方案：蒸汽轮机在外壳体下半部21a 2 中设置有前分隔板37a和后分隔板37b。与安装在外壳下半部21a 2 中的下半龙肋34b相接，前分隔板37a和后分隔板37b向外壳下半部分的侧壁38a，38b延伸部分21a 2 ，并且被布置成倾斜。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2011226612A Shaft sealing device 有权
标题翻译：轴封密封装置
公开(公告)号：JP2011226612A
公开(公告)日：2011-11-10
申请号：JP2010098683
申请日：2010-04-22
申请人： Toshiba Corp , 株式会社東芝
发明人： YAMASHITA TATSUO , IMAI KENICHI , TSUTSUI MASASHI , MIKAMI MAKOTO
IPC分类号： F16J15/44 , F16J15/16
摘要： PROBLEM TO BE SOLVED: To provide a shaft sealing device that prevents vibration of a seal fin with variation of working fluid.SOLUTION: The shaft sealing device 10 seals a high pressure region and a low pressure region which are adjacently arranged in an axis direction of a rotary shaft. The device includes: a case member 12 having a through-hole which a rotary shaft penetrates; a plurality of seal fins 11 having a fix end 11a fixed along the through-hole of the case member 12, a free end 11b freely vibrating in a radial direction of the through-hole, and a seal surface 11c formed along the axis direction of the rotary shaft; and an elastic member 21 extending while being contact or non-contact secured a constant gap from a back surface 11 side of the seal surface 11c of the free end 11b.
摘要翻译：要解决的问题：提供一种防止工作流体变化的密封翅片的振动的轴封装置。解决方案：轴封装置10密封相对于旋转轴的轴线方向相邻布置的高压区域和低压区域。该装置包括：具有旋转轴穿透的通孔的壳体部件12; 多个密封翅片11，其具有沿着壳体部件12的通孔固定的固定端部11a，沿通孔的径向自由振动的自由端部11b和沿着贯通孔的轴向方向形成的密封面11c，旋转轴; 以及弹性构件21，其在与自由端11b的密封表面11c的背面11侧接触或非接触地固定有一定的间隙时延伸。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2010159667A Axial flow turbine 审中-公开
标题翻译：轴流涡轮
公开(公告)号：JP2010159667A
公开(公告)日：2010-07-22
申请号：JP2009001683
申请日：2009-01-07
申请人： Toshiba Aitekku Kk , Toshiba Corp , 東芝アイテック株式会社 , 株式会社東芝
发明人： HIRANO TOSHIO , SAKAKIDA HITOSHI , ICHIMONJI MASAYUKI , YAMASHITA TATSUO , TSUTSUI MASASHI , TANI KENTARO , IKEDA KAZUTAKA
IPC分类号： F01D25/04 , F01D5/26 , F01D11/08 , F01D25/00 , F02C7/28 , F16J15/447
摘要： PROBLEM TO BE SOLVED: To provide an axial flow turbine effectively suppressing self-excited vibration resulted from a labyrinth seal with a simple construction without deteriorating a seal effect of fluid which is the original purpose of the labyrinth seal.
SOLUTION: In a turbine stage of the axial flow turbine, through holes 17 are formed in an outer ring 7 holding stator blades 5 to perforate from a stator blade inlet side to a stator blade outlet side, and a diameter of the through holes 17 is set so that a steam flow rate 18 passing through the through holes 17 corresponds to a leak rate 16 from the labyrinth seal 11 of rotor blade distal ends on a downstream side.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种轴流式涡轮机，其以简单的结构有效地抑制由迷宫式密封产生的自激振动，而不会降低作为迷宫式密封件的原始目的的流体的密封效果。解决方案：在轴流涡轮机的涡轮级中，通孔17形成在保持定子叶片5的外环7中，以从定子叶片入口侧到定子叶片出口侧穿孔，并且通孔通孔17被设定为使得通过通孔17的蒸汽流量18相当于来自下游侧的转子叶片远端的迷宫式密封件11的泄漏率16。版权所有（C）2010，JPO＆INPIT

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