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1. 发明申请

US20180238194A1 AXIAL FLOW TURBINE 审中-公开
公开(公告)号：US20180238194A1
公开(公告)日：2018-08-23
申请号：US15956825
申请日：2018-04-19
申请人： KABUSHIKI KAISHA TOSHIBA , Toshiba Energy Systems & Solutions Corporation
发明人： Tomohiro TEJIMA , Tsuguhisa TASHIMA , Norikazu TAKAGI , Shogo IWAI
IPC分类号： F01D25/26 , F01D25/12 , F02C7/16 , F01D25/28 , F02C3/34
摘要： An axial flow turbine according to an embodiment includes: an outer casing; an inner casing provided inside the outer casing; a discharge pipe that is welded and joined to the outer casing and through which a working fluid discharged from the axial flow turbine flows; a sleeve that is provided inside the outer casing and the discharge pipe and guides the working fluid discharged from the axial flow turbine to the discharge pipe; a tubular member that is provided over an outer periphery of the sleeve inside the outer casing and the discharge pipe and covers an inner periphery side of a joint portion between the outer casing and the discharge pipe; an introduction port that introduces a cooling medium into a space demarcated by the outer casing, the discharge pipe, and the tubular member; and a discharge port that discharges the cooling medium introduced into the space.

2. 发明申请

US20180142573A1 STEAM TURBINE 审中-公开
公开(公告)号：US20180142573A1
公开(公告)日：2018-05-24
申请号：US15818817
申请日：2017-11-21
申请人： KABUSHIKI KAISHA TOSHIBA , Toshiba Energy Systems & Solutions Corporation
发明人： Norikazu TAKAGI , Takahiro ONO , Tsuguhisa TASHIMA , Shogo IWAI , Daichi FUKABORI
IPC分类号： F01D25/28 , F01D25/26
摘要： A steam turbine according to an embodiment includes an outer casing, an inner casing, a turbine rotor, and a pair of inner casing regulating portions. The pair of inner casing regulating portions regulates movement of the inner casing in a direction orthogonal to an axial direction of the turbine rotor. The pair of inner casing regulating portions is disposed beneath the inner casing at positions different from each other in the axial direction and is supported by a regulating supporting portion extending upward from a bottom portion of the outer casing.

3. 发明申请

US20210388731A1 TURBINE STATOR BLADE 有权
公开(公告)号：US20210388731A1
公开(公告)日：2021-12-16
申请号：US17343206
申请日：2021-06-09
申请人： TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
发明人： Norikazu TAKAGI , Tsuguhisa TASHIMA , Daisuke NOMURA , Yoshifumi IWASAKI , Shogo IWAI , Takahiro ONO
IPC分类号： F01D11/00 , F01D9/04
摘要： According to an embodiment, a turbine stator blade disposed in a working fluid flow path in a casing of a gas turbine, includes: a blade effective part disposed in the working fluid flow path; an outer circumferential sidewall having a plate-shaped part that is connected to a radially outer end portion of the blade effective part, and hooks each extending radially outward and circumferentially from the plate-shaped part and having a tip engaged with the casing; and an inner circumferential sidewall connected to a radially inner end portion of the blade effective part. At least one slit is formed at the rear hook or front hook to divide the hook in a circumferential direction, and the hook has a seal member to seal the slit.

4. 发明申请

US20210262361A1 TURBINE 有权
公开(公告)号：US20210262361A1
公开(公告)日：2021-08-26
申请号：US17169730
申请日：2021-02-08
申请人： TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
发明人： Tsuguhisa TASHIMA , Takahiro ONO , Shogo IWAI , Daisuke NOMURA , Norikazu TAKAGI , Tomomi OKUYAMA , Koki NISHIMURA
IPC分类号： F01D25/12 , F01D25/24 , F01D5/02 , F01D9/04
摘要： There is provided a turbine in which a sufficient measure against windage loss can be executed. In a turbine of an embodiment, a cooling medium higher in pressure and lower in temperature than a working medium is introduced to the inside from the outside of a turbine casing. Here, in at least a turbine stage of an exhaust stage, the cooling medium passes through a stator blade and thereafter passes through a flow path present between rotor blades and a rotor wheel to flow to an exhaust-stage wheel space.

5. 发明申请

US20220065131A1 GAS TURBINE AND GAS TURBINE MANUFACTURING METHOD 有权
公开(公告)号：US20220065131A1
公开(公告)日：2022-03-03
申请号：US17343211
申请日：2021-06-09
申请人： TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
发明人： Tsuguhisa TASHIMA , Shogo IWAI , Takahiro ONO , Norikazu TAKAGI
IPC分类号： F01D25/16 , F01D25/30 , F01D25/26
摘要： According to an embodiment, a gas turbine includes: a casing; a rotor shaft penetrating through the casing; a plurality of turbine stages which are in the casing and are arranged along an axial direction of the rotor shaft and through which a working fluid passes; two bearings disposed on outer sides of the casing in terms of the axial direction and supporting the rotor shaft in a rotatable manner; and a plurality of outlet pipes through which the working fluid having finished work in the turbine stages is discharged. The outlet pipes are provided in an upper half and a lower half of the casing.

6. 发明申请

US20210285331A1 TURBINE STATOR BLADE 有权
公开(公告)号：US20210285331A1
公开(公告)日：2021-09-16
申请号：US17182400
申请日：2021-02-23
申请人： TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
发明人： Norikazu TAKAGI , Tsuguhisa TASHIMA , Daisuke NOMURA , Yoshifumi IWASAKI , Shogo IWAI , Takahiro ONO
IPC分类号： F01D9/04 , F01D5/14 , F01D25/24
摘要： According to an embodiment, a turbine stator blade disposed in a working fluid flow path in a casing of a gas turbine, comprises: a blade effective part disposed in the working fluid flow path; an outer ring sidewall having a plate-shaped portion connecting to a radially outer end portion of the blade effective part, a front hook extending radially outward and circumferentially from the plate-shaped portion and having a tip fitting with the casing, a rear hook extending radially outward and circumferentially from the plate-shaped portion and having a tip fitting with the casing; and a reinforcing member that maintains an interval between the front hook and the rear hook; and an inner ring sidewall connected to a radially inner end portion of the blade effective part.

7. 发明申请

US20210172321A1 TURBINE ROTOR 有权
公开(公告)号：US20210172321A1
公开(公告)日：2021-06-10
申请号：US17104352
申请日：2020-11-25
申请人： TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
发明人： Tsuguhisa TASHIMA , Takahiro ONO , Shogo IWAI , Yoshifumi IWASAKI , Norikazu TAKAGI
IPC分类号： F01D5/08
摘要： A turbine rotor of an embodiment includes a rotor body portion having turbine discs in plural stages in an axial direction protruding radially outside from an outer peripheral surface of the rotor body portion over a circumferential direction. The turbine rotor includes a plurality of axial passages, through which a cooling medium flows, formed at the rotor body portion radially outside than a center axis of the turbine rotor and radially inside than an outer peripheral surface of the rotor body portion in the axial direction; an introduction passage introducing the cooling medium into each of the axial passages; and discharge passages that penetrate from each of the axial passages to the outer peripheral surface of the rotor body portion to discharge the cooling medium.

8. 发明申请

US20160084098A1 SEALING STRUCTURE AND TURBINE 审中-公开
标题翻译：密封结构和涡轮
公开(公告)号：US20160084098A1
公开(公告)日：2016-03-24
申请号：US14857993
申请日：2015-09-18
申请人： Kabushiki Kaisha Toshiba
发明人： Norikazu TAKAGI , Shogo IWAI
IPC分类号： F01D11/00 , F01D25/24 , F01D5/18
CPC分类号： F01D11/003 , F01D11/005 , F01D25/246 , F05D2260/205
摘要： A sealing structure according to the embodiment includes a first cylinder, a second cylinder, an intermediate cylinder, a first sealing part, and a second sealing part. The first cylinder forms a flow passage of a working fluid of a turbine therein. The second cylinder is disposed at one end of the first cylinder and downstream from the flow passage. The intermediate cylinder is disposed between the first and second cylinders. The first sealing part is disposed at one of a first region between the first cylinder and the intermediate cylinder and a second region between the second cylinder and the intermediate cylinder, and follows a positional displacement in a radial direction. The second sealing part is disposed at the other of the first and second regions, and follows a positional displacement in an axial direction.
摘要翻译：根据实施例的密封结构包括第一气缸，第二气缸，中间气缸，第一密封部件和第二密封部件。第一气缸在其中形成涡轮机的工作流体的流动通道。第二气缸设置在第一气缸的一端并且在流动通道的下游。中间气缸设置在第一和第二气缸之间。第一密封部分设置在第一气缸和中间气缸之间的第一区域中的第二区域和第二气缸与中间气缸之间的第二区域中，并沿着径向方向的位置偏移。第二密封部分设置在第一和第二区域中的另一个处，并沿轴向方向位移。

9. 发明申请

US20140346741A1 STATIONARY PART SEALING STRUCTURE 有权
标题翻译：固定部分密封结构
公开(公告)号：US20140346741A1
公开(公告)日：2014-11-27
申请号：US14287847
申请日：2014-05-27
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Norikazu TAKAGI
IPC分类号： F01D11/00
CPC分类号： F01D11/005 , F01D9/023 , F01D11/003 , F02C7/28 , F05D2220/31 , F05D2240/55 , F05D2240/59 , F05D2250/294
摘要： A stationary part sealing structure 10 of an embodiment has an insertion groove 20 formed annularly across a circumferential direction in a wall surface 111a and having a groove part 21 and projections 25, 26 projecting respectively from both side faces of the groove part 21 so as to narrow an opening 22 of the groove part 21, an insertion groove 30 formed annularly across a circumferential direction in a wall surface 110a which opposes the insertion groove 20 and having a groove part 31 and projections 35, 36 projecting respectively from both side faces of the groove part 31 so as to narrow an opening 32 of the groove part 31, and a platy annular sealing member 40 having an outer diameter side end 41 inserted in the insertion groove 20 and an inner diameter side end 42 inserted in the insertion groove 30.
摘要翻译：实施例的固定部密封结构10具有在壁面111a中沿圆周方向环形地形成的插入槽20，并且具有分别从槽部21的两个侧面突出的槽部21和突出部25,26，从而使槽部21的开口部22变窄，在与插入槽20相对的壁面110a的圆周方向上形成有环状的插入槽30，该插入槽30分别从槽部21的两侧面突出设置有槽部31和突出部35,36 槽部31缩小槽部31的开口部32，并且具有插入插入槽20的外径侧端部41的插入环状密封部件40和插入插入槽30的内径侧端部42。

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