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1. 发明专利

JP2014181365A Method of producing member for steam turbine 有权
标题翻译：生产蒸汽轮机会员的方法
公开(公告)号：JP2014181365A
公开(公告)日：2014-09-29
申请号：JP2013055193
申请日：2013-03-18
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： HIRAKAWA YUICHI , KADOYA YOSHIKUNI , NISHIMOTO SHIN , TANAKA YOSHINORI , YAMAMOTO RYUICHI
IPC分类号： C22F1/10 , C22C19/05 , C22F1/00 , F01D25/00 , F01D25/24
摘要： PROBLEM TO BE SOLVED: To provide a method of producing a member for a steam turbine which has good productivity and secures strength of connection parts for connection to other members.SOLUTION: A method of producing a member for steam turbines includes a casting step of casting a cast molding to be used as a member 1 for a steam turbine and made of Ni-based alloy, and an aging treatment step of applying an aging treatment locally to a connection part 12 of the cast molding to be connected to another member as the member for a steam turbine. The aging treatment may be carried out at 725°C-825°C.
摘要翻译：要解决的问题：提供一种制造蒸汽涡轮机构件的方法，其具有良好的生产率并且确保连接部件与其它构件连接的强度。解决方案：一种用于蒸汽轮机的构件的制造方法包括铸造步骤用作蒸汽轮机的构件1并由Ni基合金制成的铸造模具，以及时效处理步骤，其将局部施加时间处理到铸造模制件的连接部分12，以连接到另一构件作为蒸汽轮机的成员。时效处理可以在725℃-825℃下进行。

2. 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。

3. 发明专利

JP2013160384A Seal structure and rotary machine including the same 有权
标题翻译：密封结构和旋转机器，包括它们
公开(公告)号：JP2013160384A
公开(公告)日：2013-08-19
申请号：JP2013095967
申请日：2013-04-30
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： ONISHI TOMOYUKI , NISHIMOTO SHIN
IPC分类号： F16J15/453 , F01D11/04 , F01D25/00 , F02C7/28
摘要： PROBLEM TO BE SOLVED: To provide a seal structure capable of preventing coming-off of an abradable material even when the abradable material is damaged.SOLUTION: Characteristically, a seal structure 7 includes a fin 40 which protrudes along a circumferential direction R from an outer peripheral surface of a rotor 5, and a stationary blade 30 which has an abradable coating 60 formed on an inner peripheral surface 50a of an inside shroud 50 in such a manner as to face the fin 40; an irregular shape is formed on the inner peripheral surface 50a of the inside shroud 50; the abradable coating 60 is formed along the irregular shape; the irregular shape comprises a recess which is formed from the inner peripheral surface 50a of the inside shroud 50 toward its inside; and a cross-sectional shape, which crosses the extension direction of the recess, of the inner peripheral surface 50a of the inside shroud 50 is linearly formed.
摘要翻译：要解决的问题：提供即使当可磨损材料损坏时也能够防止耐磨材料脱落的密封结构。解决方案：特征在于，密封结构7包括翅片40，其从圆周方向R从外侧突出转子5的圆周表面和固定刀片30，其具有以能够面对翅片40的方式形成在内侧护罩50的内周面50a上的可磨损涂层60; 在内罩50的内周面50a上形成不规则形状; 可磨损涂层60沿着不规则形状形成; 不规则形状包括从内侧护罩50的内周面50a向内侧形成的凹部，并且与内侧护罩50的内周面50a的贯通凹部的延伸方向的横截面形状线性地形成。

4. 发明专利

JP2013160313A Seal structure and rotary machine including the same 有权
标题翻译：密封结构和旋转机器，包括它们
公开(公告)号：JP2013160313A
公开(公告)日：2013-08-19
申请号：JP2012023071
申请日：2012-02-06
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： ONISHI TOMOYUKI , NISHIMOTO SHIN
IPC分类号： F16J15/453 , F01D11/02 , F02C7/28
CPC分类号： F01D11/122 , F01D11/02 , F05D2230/90 , F05D2250/61 , F05D2300/611
摘要： PROBLEM TO BE SOLVED: To provide a seal structure capable of preventing coming-off of an abradable material even when the abradable material is damaged.SOLUTION: Characteristically, a seal structure 7 includes a fin 40 which protrudes along a circumferential direction R from an outer peripheral surface of a rotor 5 and a stationary blade 30 which has an abradable coating 60 formed on an inner peripheral surface 50a of an inside shroud 50 in such a manner as to face the fin 40; an irregular shape is formed on the inner peripheral surface 50a of the inside shroud 50; and the abradable coating 60 is formed along the irregular shape.
摘要翻译：要解决的问题：提供即使当可磨损材料损坏时也能够防止耐磨材料脱落的密封结构。解决方案：特征在于，密封结构7包括翅片40，翅片40沿着圆周方向R从外部突出转子5的外周表面和固定刀片30，其具有以能够面对翅片40的方式形成在内侧护罩50的内周面50a上的可磨损涂层60; 在内罩50的内周面50a上形成不规则形状; 并且可磨损涂层60沿着不规则形状形成。

5. 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

6. 发明专利

JP2012067878A Self-adjusting seal for turbo rotary machine 审中-公开
标题翻译：自动旋转机自动密封
公开(公告)号：JP2012067878A
公开(公告)日：2012-04-05
申请号：JP2010214414
申请日：2010-09-24
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： NISHIMOTO SHIN , UEHARA HIDEKAZU , NAKANO TAKASHI
IPC分类号： F16J15/447 , F01D11/02 , F01D11/08 , F02C7/28 , F04D29/08 , F04D29/10 , F04D29/12 , F16J15/453
CPC分类号： F01D11/16 , F16J15/442
摘要： PROBLEM TO BE SOLVED: To provide a self-adjusting seal capable of working at desired timing in accordance with an operation condition of a turbo rotary machine and adjusting the seal gap properly.SOLUTION: The self-adjusting seal 1 is equipped with a movable seal member 20 fitted to a groove 6 of a dummy ring 4 and along a rotor 2. The movable seal member 20 is biased outward in the radial direction by a disc spring 30, and the gap between the movable seal member 20 and the rotor 2 is widened when the turbo rotary machine is activated and stopped. During rated operation of the turbo rotary machine, on the other hand, the movable seal member 20 is pressed to the rotor 2 side against the biasing force of the disc spring 30 by fluid flowing into the groove 6 through between a high-pressure end face of the movable seal member 20 and the groove 6. At least one of a low-pressure side end face of the movable seal member 20 and a wall surface of the groove 6 facing the low-pressure side end face is treated so as to smoothen the sliding movement relative to each other.
摘要翻译：要解决的问题：提供一种能够根据涡轮旋转机械的操作条件在期望的时间进行工作并适当调节密封间隙的自调节密封件。解决方案：自调节密封件1配备有可动密封件20，该可移动密封件20装配在假环4的槽6上并沿着转子2.可移动密封件20沿径向向外偏压盘弹簧30，并且当涡轮旋转机器被启动和停止时，可移动密封构件20和转子2之间的间隙变宽。另一方面，在涡轮旋转机械的额定运转时，可动密封部件20克服盘簧30的偏压力被压到转子2侧，流体通过高压端面可移动密封构件20的低压侧端面和面向低压侧端面的槽6的壁面中的至少一个被处理以平滑相对于彼此的滑动运动。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2010029914A Welding material for nickel-based alloy 有权
标题翻译：镍基合金焊接材料
公开(公告)号：JP2010029914A
公开(公告)日：2010-02-12
申请号：JP2008195580
申请日：2008-07-30
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： KAWASAKI KENJI , YAMAMOTO RYUICHI , KADOYA YOSHIKUNI , NISHIMOTO SHIN , KAWAGUCHI SEIICHI
IPC分类号： B23K35/30 , C22C19/05 , F01D25/00 , F02C7/00
CPC分类号： F01D5/063 , B23K35/24 , B23K35/3033 , B23K2201/001 , B23K2203/08 , B23K2203/26 , C22C19/055 , C22C19/056 , Y02T50/671
摘要： PROBLEM TO BE SOLVED: To provide a welding material for Ni-based alloy which can suppress high temperature cracking during welding while maintaining an excellent weldability with Ni-based alloy and the like.
SOLUTION: The welding material for Ni-based alloy comprises, by mass%, ≤0.05% C, 8-25% Cr, ≤4.0% Fe, ≤15% W, 5-20% of Mo+1/2(W+Re), ≤20% Co, ≥0.01 to
摘要翻译：解决的问题：提供一种能够抑制焊接时的高温开裂的Ni基合金用焊接材料，同时保持与Ni系合金等的良好的焊接性。
解决方案：Ni基合金焊接材料以质量％计，≤0.05％C，8-25％Cr，≤4.0％Fe，≤15％W，Mo + 1/2％5-20％（W + Re）≤20％Co，≥0.01〜<2.0％Al，≥0.01〜<2.0％Ti，≤3.0％Al + 1 / 2Ti，≤1.5％Nb + 1 / 2Ta，≤0.007％ B，≤0.04％Zr，0.01-0.5％Si，≤1.0％Mn，≤0.010％P，≤0.002％S，≤0.005％O，余量为Ni和不可避免的杂质。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2008128276A Shaft sealing device for rotary machine 有权
标题翻译：旋转机轴封密封装置
公开(公告)号：JP2008128276A
公开(公告)日：2008-06-05
申请号：JP2006310599
申请日：2006-11-16
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 , SHIRAI HIROKAZU , ASADA TOSHIO
IPC分类号： F16J15/22 , F01D11/00 , F01D25/00 , F16J15/54
摘要： PROBLEM TO BE SOLVED: To provide a shaft sealing device for a rotary machine, which avoids the degradation of floating property of a leaf due to fluid leakage and the occurrence of fluid leakage due to the breakage of the leaf therewith or poor sealing of a fluid sealing part at the front end of the leaf by suppressing the fluid leakage through split gaps formed in split parts of a shaft sealing unit. SOLUTION: The shaft sealing device for the rotary machine comprises the shaft sealing unit having a high-pressure-side side plate and a low-pressure-side side plate installed on both axial sides of the thin leaf across the leaf 1 for suppressing the axial flow of fluid. The shaft sealing unit is formed by inserting a plurality of split part shims 4 having outer peripheral portions fixed to a case member, into the split gaps split in the peripheral direction of a rotating shaft 7 and inserting an axial bent part formed by bending the end of the high-pressure-side side plate in the axial direction, into the split gaps to build up the split part shims 4 and the axial bent part while blocking the split gaps. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于旋转机器的轴封装置，其避免了由于流体泄漏而导致的叶片浮动性能的劣化以及由于其叶片断裂或密封不良而导致的流体泄漏的发生通过在轴密封单元的分割部分中形成的分隔间隙抑制流体泄漏而在叶片的前端处的流体密封部分。解决方案：用于旋转机器的轴封装置包括：轴密封单元，具有安装在叶片1的叶片的两个轴向两侧的高压侧侧板和低压侧侧板，用于抑制流体的轴向流动。轴封单元通过将具有外周部固定在壳体上的多个分割片垫片4插入到沿着旋转轴7的周向分割的分割间隙中并插入通过弯曲端部形成的轴向弯曲部分而形成高压侧侧板在轴向方向上形成分割间隙，从而在分割间隙内形成分割部分垫片4和轴向弯曲部分。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2006112512A Shaft sealing mechanism 有权
标题翻译：轴封密封机构
公开(公告)号：JP2006112512A
公开(公告)日：2006-04-27
申请号：JP2004300123
申请日：2004-10-14
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 , SHIRAI HIROKAZU , ASADA TOSHIO
IPC分类号： F16J15/54 , F01D11/00 , F01D25/16 , F02C7/28 , F04D29/10 , F16J15/22
摘要： PROBLEM TO BE SOLVED: To provide a shaft sealing mechanism having a plurality of stages of leaf seals and capable of suppressing the length of a rotational shaft.
SOLUTION: In a stator 60, a first stage leaf seal 120 and a second stage leaf seal 220 are placed in sequence from a high-pressure side region to a low-pressure side region along the axial direction of the rotational shaft 4. A mounting groove 81 along the circumferential direction is formed on the inner peripheral face of the stator 60, and a shared mounting piece 182 is provided between the leaf seals 120, 220 adjacent to each other. The leaf seals 120, 220 and the mounting piece 182 are integrally fitted into the mounting groove 81 of the stator 6 along the circumferential direction and fixed to the stator 60 by a bolt 183.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有多级叶片密封并能够抑制旋转轴的长度的轴封机构。解决方案：在定子60中，第一级叶片密封件120和第二级叶片密封件220沿着旋转轴4的轴向从高压侧区域到低压侧区域依次放置在定子60的内周面上形成有沿圆周方向的安装槽81，并且在彼此相邻的叶片密封120,220之间设置共用的安装片182。叶片密封件120,220和安装片182沿圆周方向一体地嵌入定子6的安装槽81中，并通过螺栓183固定在定子60上。（C）2006年，JPO＆NCIPI

10. 发明专利

JP2006112491A Shaft sealing mechanism 有权
标题翻译：轴封密封机构
公开(公告)号：JP2006112491A
公开(公告)日：2006-04-27
申请号：JP2004299243
申请日：2004-10-13
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 , SHIRAI HIROKAZU , ASADA TOSHIO
IPC分类号： F16J15/22 , F01D11/00 , F01D25/00
摘要： PROBLEM TO BE SOLVED: To provide a shaft sealing mechanism adopting a leaf seal capable of suppressing leak amount of working fluid even when relative eccentricity of a rotational shaft is excessively generated.
SOLUTION: A high-pressure side side plate 24 that is a component of the leaf seal 20 is constituted by stacking a second annular plate 32 and a first annular plate 31 in sequence toward each thin plate 21 of a thin plate group. The inner diameter of the first annular plate 31 is larger than that of the second annular plate 32, and the first annular plate 31 is brought into contact with one side that is the high-pressure side of the each thin plate 21. In an inner peripheral edge part of the second annular plate 32, a projection 38 comes into contact with the one side that is the high-pressure side of the each thin plate 21 is provided.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：即使过度产生旋转轴的相对偏心，也提供采用能够抑制工作流体泄漏量的叶片密封的轴封机构。解决方案：作为叶片密封件20的一个部件的高压侧面板24通过依次向薄板组的每个薄板21堆叠第二环形板32和第一环形板31而构成。第一环形板31的内径大于第二环形板32的内径，并且第一环形板31与作为每个薄板21的高压侧的一侧接触。在内部第二环形板32的周缘部分，突起38与设置有每个薄板21的高压侧的一侧接触。版权所有（C）2006，JPO＆NCIPI

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