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1. 发明专利

JP2013185652A Shaft sealing apparatus 有权
标题翻译：轴封密封装置
公开(公告)号：JP2013185652A
公开(公告)日：2013-09-19
申请号：JP2012051464
申请日：2012-03-08
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： UEHARA HIDEKAZU , SHINOHARA TANEHIRO , NISHIMOTO SHIN , NAKANO TAKASHI
IPC分类号： F16J15/22 , F01D11/00 , F01D11/02 , F02C7/28 , F16J15/447
CPC分类号： F16J15/32 , F01D11/001 , F01D11/025 , F05D2240/59 , F16J15/3288 , F16J15/3292 , F16J15/442
摘要： PROBLEM TO BE SOLVED: To improve performance stability of a seal body, in a shaft sealing apparatus having the seal body formed by stacking a plurality of thin seal pieces.SOLUTION: In a shaft sealing apparatus 1, an annular space is divided, in the axial direction of a rotor, into a low pressure-side area and a high pressure-side area by a sealing apparatus body 4 which is furnished within an annular space between the rotor 2 and a stator encircling the rotor 2 to the outside peripheral side, and which is supported by the stator. The sealing apparatus body is provided with: a seal ring 11 supported by the stator so as to surround the rotor, the seal ring being formed with a split structure comprising a moveable seal ring 12 the circumferential ends of which are mutually adjacent, and a stationary seal ring 13, the moveable seal ring 12 being urged diametrically outward by an elastic body 28; and a seal body 9 of a plurality of thin seal pieces 10 extending inward in the diametrical direction of the rotor from the seal ring, and stacked in the circumferential direction of the rotor. The apparatus has a communicating part 34 for communication of the low pressure-side area and the high pressure-side area.
摘要翻译：要解决的问题：为了提高密封体的性能稳定性，在具有通过堆叠多个薄密封件形成的密封体的轴封装置中。解决方案：在轴封装置1中，将环形空间分割成转子的轴向方向通过密封装置主体4进入低压侧区域和高压侧区域，密封装置主体4设置在转子2与包围转子2的定子之间的环形空间内，并由定子支撑。密封装置主体设有：由定子支撑以围绕转子的密封环11，密封环形成有分离结构，该分割结构包括其周向端相互邻接的可移动密封环12，并且固定密封环13，可动密封环12被弹性体28径向向外推动; 以及从密封环沿转子的径向内侧延伸并沿转子的圆周方向堆叠的多个薄密封件10的密封体9。该装置具有用于低压侧区域和高压侧区域的连通的连通部34。

2. 发明专利

JP2013124554A Turbine 有权
标题翻译：涡轮
公开(公告)号：JP2013124554A
公开(公告)日：2013-06-24
申请号：JP2011272355
申请日：2011-12-13
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： KUWAMURA SACHIHIRO , MATSUMOTO KAZUYUKI , OYAMA KOJI , TANAKA YOSHINORI , UEHARA HIDEKAZU , MACHIDA YUKINORI
IPC分类号： F01D11/02 , F01D5/20 , F01D11/08 , F02C7/28 , F16J15/40 , F16J15/447
CPC分类号： F01D5/141 , F01D5/225 , F01D11/001 , F01D11/02 , F01D11/08 , F01D11/122 , F05D2220/31
摘要： PROBLEM TO BE SOLVED: To provide a high-performance turbine, configured to reduce the amount of steam leaked in a gap at a tip of a rotor blade or a stator blade.SOLUTION: A steam turbine includes: a step part 141 disposed on an inner circumferential surface of a partition board outer ring 11, and having steps in a radial direction; a seal fin 55A extending from a tip shroud 512 of a rotor blade 51 toward the step part 141, to form a micro-gap 56A between the fin and the step part 141; a steam collision surface 53, to which steam S collides, and disposed upstream of the seal fin 55A in a flow direction of the steam S; a projection 54 protruding from the steam collision surface 53 to the upstream side; and an upstream wall surface 13 facing the steam collision surface.
摘要翻译：要解决的问题：提供一种高性能涡轮机，其被配置为减少在转子叶片或定子叶片的尖端处的间隙中泄漏的蒸汽的量。蒸汽轮机包括：设置在隔板外环11的内周面上并具有径向台阶的台阶部141; 从转子叶片51的尖端罩512向台阶部141延伸的密封翅片55A，在翅片和台阶部141之间形成微间隙56A; 蒸汽碰撞面53与蒸汽S的流动方向碰撞并设置在密封翅片55A的上游; 从蒸汽碰撞面53向上游侧突出的突起54; 以及面向蒸汽碰撞表面的上游壁表面13。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2012092905A Shaft seal mechanism and rotary machine provided with the same 有权
标题翻译：轴封密封机构和旋转机械
公开(公告)号：JP2012092905A
公开(公告)日：2012-05-17
申请号：JP2010241001
申请日：2010-10-27
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： UEHARA HIDEKAZU , SHINOHARA TANEHIRO , NISHIMOTO SHIN , NAKANO TAKASHI , ARAKI KATSUTO , TAKAHASHI TATSUJI
IPC分类号： F16J15/44 , F01D11/00 , F02C7/28
CPC分类号： F16J15/447 , F01D11/025 , F05D2240/57 , F16J15/3292
摘要： PROBLEM TO BE SOLVED: To prevent a seal body from being held in an inclined posture even if the seal body is inclined.SOLUTION: A shaft seal mechanism includes an accommodation body 9 disposed in a stator, a seal body 12 comprising a plurality of thin plate seal pieces 20 stacked in the circumferential direction of a rotor with micro gaps therebetween, and a plate-like body 17 covering one axial end 20d of the seal body 12 and having a plate surface 17c pressed against the inner wall surface 9e of the accommodation body 9. A recess 31 which extends from a radially inner position toward the outside and is recessed in the axial direction and a projection part which projects more to the other side than the recess 31 in the radial inner position are formed on at least one of the plate surface 17c of the plate-like body 17 and the inner wall surface 9e of the accommodation body 9. When the projection part comes into contact with the other side to form a pocket X communicating with the fluid high-pressure region between the one and the other, the recess 31 causes the pocket X to communicate with the fluid low-pressure region.
摘要翻译：要解决的问题：即使密封体倾斜，也可防止密封体保持倾斜的姿势。解决方案：轴封机构包括设置在定子中的容纳体9，密封体12，其包括在其间具有微小间隙的转子的圆周方向上堆叠的多个薄板密封件20和板状主体17覆盖密封体12的一个轴向端部20d，并且具有压靠在容纳体9的内壁表面9e上的板表面17c。一个从径向内部位置向外部延伸并且沿轴向凹进的凹部31 在平板状体17的板面17c和容纳体9的内壁面9e中的至少一个上形成有沿径向内侧位置向另一侧突出的突出部，当突起部与另一侧接触以形成与流体高压区域相互连通的口袋X时，凹部31使袋X与流体连通 d低压区域。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2011185219A Shaft sealing device and rotary machine equipped with shaft sealing device 有权
标题翻译：轴封密封装置和旋转机械配有轴封密封装置
公开(公告)号：JP2011185219A
公开(公告)日：2011-09-22
申请号：JP2010053657
申请日：2010-03-10
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： UEHARA HIDEKAZU , SHINOHARA TANEHIRO , NAKANO TAKASHI , NISHIMOTO SHIN
IPC分类号： F01D11/00 , F02C7/28
CPC分类号： F01D11/001 , F05D2230/90 , F05D2240/59 , F16J15/3292
摘要： PROBLEM TO BE SOLVED: To provide a shaft sealing device and a rotary machine equipped with the shaft sealing device capable of preventing abrasion of a sheet seal piece.
SOLUTION: In the shaft sealing device, a number of sheet seal pieces 20 are laminated in a circumferential direction along a circumference of a rotary shaft. The multiple sheet seal pieces 20 are joined together on a side of respective radially outward ends. Respective radially inward ends 20b are made to be free ends. A small gap s is created for each of a pair of the sheet seal pieces 20 adjacent to each other. A seal piece laminate 12 has the small gap s created with respect to the rotary shaft. The sheet seal piece 20 has a surface on a side of the radially inward ends 20b on which an abrasion resistant treated layer 25 is formed.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有能够防止片状密封件磨损的轴封装置的轴封装置和旋转机械。解决方案：在轴封装置中，沿着旋转轴的圆周在圆周方向上层叠有多个片状密封片20。多个片状密封片20在各径向外侧的一侧接合在一起。各自的径向内端20b被制成自由端。对于彼此相邻的一对片状密封片20中的每一个，产生小间隙。密封片层压体12具有相对于旋转轴产生的小间隙。片状密封片20具有形成有耐磨处理层25的径向内侧端部20b侧的表面。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2009281437A Axially sealing device of rotary machine 有权
标题翻译：旋转机的轴向密封装置
公开(公告)号：JP2009281437A
公开(公告)日：2009-12-03
申请号：JP2008132137
申请日：2008-05-20
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： UEHARA HIDEKAZU , SHINOHARA TANEHIRO , NAKANO TAKASHI , NISHIMOTO SHIN
IPC分类号： F16J15/22 , F01D11/04 , F01D25/00 , F02C7/00 , F02C7/28
摘要： PROBLEM TO BE SOLVED: To provide an axially sealing device of a rotary machine which can avoid a decline of surfacing property of leaf caused by fluid leakage, a wear of the leaf brought thereby, or a generation of fluid leakage caused by a sealing failure of fluid sealing section of leaf tip by suppressing fluid leakage through a partition clearance between axially sealing unit. SOLUTION: In the axially sealing device of the rotary machine equipped with the axially sealing unit constructed by axially arranging a high-pressure-side side plate and a low-pressure-side side plate which can suppress axial fluid stream passing through the leaf in such a way that they sandwich the above leaf, and that they face each other in axial direction, the above axially sealing unit provides a securing means, in a space between the above high-pressure-side side plate and low-pressure-side side plate in each member corresponding to a plurality of partition clearances formed by partitioning the sealing unit circumferentially along the above rotary shaft, for closing the above partition clearance with a plate member by inserting the plate member with flexibility and securing the above plate member in the above space. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种旋转机器的轴向密封装置，其可以避免由于流体泄漏引起的叶片表面性能的下降，由此带来的叶片的磨损或由于其产生的流体泄漏通过轴向密封单元之间的分隔间隙抑制流体泄漏而导致叶尖的流体密封部分的密封失效。解决方案：在具有轴向密封单元的旋转机械的轴向密封装置中，轴向密封单元通过轴向布置高压侧侧板和低压侧侧板而构成，该低压侧侧板可以抑制通过叶片以它们夹着上述叶片并且它们在轴向方向彼此面对的方式，上述轴向密封单元在上述高压侧侧板和低压侧板之间的空间中提供固定装置，每个构件中的侧面板对应于通过沿着上述旋转轴沿周向分隔密封单元而形成的多个分隔间隙，用于通过将板构件以柔性插入并将上述板构件固定在以上空间。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2005003199A Shaft seal mechanism 有权
标题翻译：轴密封机构
公开(公告)号：JP2005003199A
公开(公告)日：2005-01-06
申请号：JP2004150740
申请日：2004-05-20
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： NAKANO TAKASHI , SHIRAI HIROKAZU , ASADA TOSHIO , NISHIMOTO SHIN , SHINOHARA TANEHIRO , UEHARA HIDEKAZU
IPC分类号： F01D11/02 , F02C7/28 , F03B11/00 , F04D29/10 , F16J15/22
CPC分类号： Y02E10/226
摘要： PROBLEM TO BE SOLVED: To reduce the production cost and downsize the shaft seal mechanism.
SOLUTION: Beside a group of annular thin plates is installed by arranging two or more thin plates in an annular space between a rotor and a stator and the outer circumference base ends of these thin plates are fixed to the above stator side, the shaft seal mechanism divides the annular space between the above rotor and the above stator into the high pressure side range and the low pressure side range with the above annular thin plate group, by making the inner circumference end sides of these thin plates unfixed to the circumference face of the above rotor. The outer circumference base end of each thin plate as above is constituted so as to be inserted and fixed between one pair of flexible rings to retain the thin plate.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：降低生产成本并缩小轴封机构。解决方案：通过在转子和定子之间的环形空间中布置两个或更多个薄板来安装一组环形薄板，并且这些薄板的外圆周基端固定到上述定子侧，轴封机构将上述转子与上述定子之间的环状空间与上述环状薄板组分隔成高压侧范围和低压侧范围，通过使这些薄板的内周端部不固定于圆周上述转子的面。如上所述的每个薄板的外圆周基端被构造成插入并固定在一对柔性环之间以保持薄板。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2004162569A Shaft sealing mechanism and turbine 有权
标题翻译：轴封密封机构和涡轮机
公开(公告)号：JP2004162569A
公开(公告)日：2004-06-10
申请号：JP2002328012
申请日：2002-11-12
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： UEHARA HIDEKAZU , SHINOHARA TANEHIRO , AKAGI KOICHI , HASHIMOTO SHINYA , NAKANO TAKASHI , NISHIMOTO SHIN
IPC分类号： F01D11/00 , F02C7/28 , F04D29/10 , F16J15/22
CPC分类号： F16J15/3292
摘要： PROBLEM TO BE SOLVED: To enhance sealability of a leaf seal of a turbine. SOLUTION: In this leaf seal, an annular thin plate group 28 is arranged in an annular space between a rotary shaft and a stationary blade; an annular flexible plate 131 for fixing the outer periphery to a leaf sealing ring 26 is arranged in a high pressure side area; the inner peripheral end 131a of the flexible plate 131 is extended up to a position for approaching or contacting with a peripheral surface of the rotary shaft; a large number of slits 132 are formed in the radial direction in an inner periphery part of the flexible plate 131; and a flexibility increasing part 131K having flexibility larger than an outer peripheral side part is arranged to permit deformation by transitional contact with the rotary shaft. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提高涡轮叶片的密封性。解决方案：在该叶片密封件中，环形薄板组28布置在旋转轴和固定叶片之间的环形空间中; 用于将外周固定到叶片密封环26的环形柔性板131布置在高压侧区域中; 柔性板131的内周端131a延伸到用于接近或接触旋转轴的外周表面的位置; 在柔性板131的内周部分沿径向形成有大量狭缝132; 并且具有比外周侧部分大的柔性的柔性增加部131K被布置成允许通过与旋转轴的过渡接触而变形。版权所有（C）2004，JPO

8. 发明专利

JP2014163420A Shaft seal device and rotary machine 有权
标题翻译：轴封设备和旋转机
公开(公告)号：JP2014163420A
公开(公告)日：2014-09-08
申请号：JP2013033202
申请日：2013-02-22
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： UEHARA HIDEKAZU , NISHIMOTO SHIN , SHINOHARA TANEHIRO , OYAMA KOJI
IPC分类号： F16J15/44 , F01D11/00 , F01D25/00 , F02C7/28
CPC分类号： F16J15/3292 , F01D11/001 , F05D2240/59 , F16J15/3252
摘要： PROBLEM TO BE SOLVED: To suppress abrasion of thin seal pieces constituting a shaft seal device, and to reduce leakage from a high-pressure side to a low-pressure side.SOLUTION: A shaft seal device 10 dividing a space between a rotor 6 and a stator, into a high-pressure side and a low-pressure side, includes a seal body 12 formed by stacking a plurality of thin seal pieces 20 extended from the stator toward a rotor side in the circumferential direction of the rotor, and a housing 9 fixed to the stator, holding the seal body 12 in a state of surrounding it from a radial outer side, and having a first opposite face 21 opposed to a high pressure-side end side of the seal body 12, and a second opposite face 22 opposed to a low pressure-side end side 20a of the seal body. A high pressure-side clearance t0 between the seal body 12 and the first opposite face 13 is smaller than a low pressure-side clearance t1 between the seal body 12 and the second opposite face 22. Inclined portions 20b gradually inclined to the high-pressure side toward a tip at a rotor side, are respectively formed on the low pressure-side end side 20a of each thin seal piece 20 of the seal body 12.
摘要翻译：要解决的问题：抑制构成轴密封装置的薄密封件的磨损，并且减少从高压侧到低压侧的泄漏。解决方案：一种轴封装置10，其将转子6和定子成为高压侧和低压侧，包括密封体12，其通过将从定子延伸的多个薄密封片20沿转子的圆周方向的转子侧堆叠而形成，壳体 9固定在定子上，将密封体12保持在从径向外侧包围的状态，并且具有与密封体12的高压侧端侧相对的第一相对面21和第二相对面 22相对于密封体的低压侧端部20a。密封体12和第一相对面13之间的高压侧间隙t0小于密封体12与第二相对面22之间的低压侧间隙t1。倾斜部分20b逐渐倾斜到高压分别形成在密封体12的每个薄密封件20的低压侧端部侧20a上。

9. 发明专利

JP2014025533A Bearing device and rotary machine 有权
标题翻译：轴承装置和旋转机
公开(公告)号：JP2014025533A
公开(公告)日：2014-02-06
申请号：JP2012166248
申请日：2012-07-26
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： YOKOYAMA SHINPEI , UEHARA HIDEKAZU , TOCHITANI NAOTO , SUMI YUKI , OZAWA YUTAKA
IPC分类号： F16C17/03 , F01D25/16 , F02C7/06
摘要： PROBLEM TO BE SOLVED: To provide a bearing device that can improve cooling effects of bearing pads while achieving a reduction in the amount of oil supply, and further to provide a rotary machine.SOLUTION: A bearing device 1 has a plurality of bearing pads 2 that is disposed at intervals in a circumferential direction and supports a rotating shaft 100. Flow passages passing through inside the plurality of bearing pads 2 from one sides toward the other sides thereof in a circumferential direction are formed in the plurality of bearing pads 2. The bearing device 1 is provided with first oil supply sections 15 that directly supply oil W to the flow passage in at least one bearing pad 2 of the plurality of bearing pads 2 from one side.
摘要翻译：要解决的问题：提供一种能够改善轴承瓦片的冷却效果的轴承装置，同时实现供油量的减少，并且还提供旋转机器。解决方案：轴承装置1具有多个轴承瓦块2 其沿圆周方向间隔设置并支撑旋转轴100.在多个轴承瓦片2中形成有沿圆周方向从多个轴承瓦块2的一侧朝向另一侧穿过的流动通道。轴承装置1设置有从一侧直接向多个轴瓦2的至少一个轴瓦2中的流路供给油W的第一供油部15。

10. 发明专利

JP2012137033A Shaft sealing device, and rotary machine equipped therewith 有权
标题翻译：轴封密封装置及其设备的旋转机械
公开(公告)号：JP2012137033A
公开(公告)日：2012-07-19
申请号：JP2010290144
申请日：2010-12-27
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： SHINOHARA TANEHIRO , UEHARA HIDEKAZU , NISHIMOTO SHIN , NAKANO TAKASHI
IPC分类号： F01D11/00 , F02C7/28 , F16J15/22 , F16J15/447
CPC分类号： F01D11/00 , F01D11/001 , F05D2240/59 , F16J15/3292
摘要： PROBLEM TO BE SOLVED: To provide a shaft sealing device capable of improving durability by restraining fluttering of a thin plate seal piece, and to provide a rotary machine using the same.SOLUTION: This shaft sealing device includes a sealing body 12 formed by laminating a plurality of thin plate seal pieces 20 extending toward the inside in the radial direction of a rotary shaft 6 from a housing 9 in the peripheral direction of the rotary shaft 6, and a low-pressure-side side seal plate 17 arranged along the low pressure side of the sealing body 12 and pressing a plate surface 17d facing the low pressure side to an inner wall surface 9e of the housing 9 opposed to the axial direction by means of the fluid pressure applide from the high pressure side to the low pressure side. A protrusion 9f for blocking a downward flow d towards the inside in the radial direction along the low pressure side of the sealing body 12, is formed inside in the radial direction of the low-pressure-side side seal plate 17, and a communicating passage 9g for guiding the downward flow d blocked by the protrusion 9f to a low pressure side area, is formed in the housing 9.
摘要翻译：要解决的问题：提供一种能够通过限制薄板密封件的振动来提高耐久性的轴封装置，并提供使用该轴封的旋转机械。解决方案：该轴封装置包括密封体12，该密封体12通过在旋转轴的周向上从壳体9层叠多个薄片密封件20，该多个薄板密封件20沿着旋转轴6的径向向内延伸 6以及沿着密封体12的低压侧配置的低压侧侧密封板17，将面向低压侧的板面17d压向壳体9的与轴向相反的内壁面9e 通过从高压侧向低压侧的流体压力施加。在低压侧侧密封板17的径向内部形成有用于沿着密封体12的低压侧沿径向向内侧阻挡向下流动的突起9f，并且连通通路 9C，用于将由突起9f阻挡的向下流动d引导到低压侧区域。形成在壳体9中。（C）2012，JPO＆INPIT

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