公开(公告)号：US09534502B2

公开(公告)日：2017-01-03

申请号：US14226583

申请日：2014-03-26

Applicant: General Electric Company

Inventor： Azam Mihir Thatte ,  Karimulla Shaik Sha ,  Rahul Anil Bidkar ,  Xiaoqing Zheng

IPC: F01D11/00 ,  F01D1/04

CPC classification number: F01D11/003 ,  F01D1/04 ,  F01D11/001 ,  F05D2220/31 ,  F05D2240/53 ,  Y02E20/16

Abstract: Embodiments of the present disclosure are directed toward a face seal including a stator ring configured to be disposed about a rotor of a turbine, wherein stator ring comprises a first ring segment and a second ring segment configured to cooperatively form the stator ring, wherein the first and second ring segments are circumferentially split and have at least one bearing element disposed between the first and second ring segments, and wherein the at least one bearing element is configured to enable relative axial motion between the first and second ring segments at interfaces between the first and second ring segments.

Abstract translation: 本公开的实施例涉及一种面密封件，其包括构造成围绕涡轮机的转子设置的定子环，其中定子环包括构造成协同地形成定子环的第一环段和第二环段，其中第一 并且第二环段被周向地分开并且具有设置在第一和第二环段之间的至少一个轴承元件，并且其中所述至少一个轴承元件构造成使得能够在第一和第二环段之间的界面处的第一和第二环段之间的相对轴向运动 和第二环段。

公开(公告)号：US09683453B2

公开(公告)日：2017-06-20

申请号：US14023582

申请日：2013-09-11

Applicant: General Electric Company

Inventor： Karimulla Shaik Sha ,  Prakash Rajagopal ,  Xiaoqing Zheng

IPC: F01D11/22

CPC classification number: F01D11/22 ,  F05D2220/31 ,  Y02E20/16

Abstract: Systems and devices configured to reduce thermal design clearances (e.g., between stationary nozzles connected to the inner casing and rotor buckets connected to the rotor) in turbines by actively controlling casing movements and/or locations during turbine operation are disclosed. In one embodiment, a clearance management system includes: a first inner casing support arm shaped to connect to an inner casing of a turbine and extend through an outer casing of the turbine; a seal system disposed about the first inner casing support arm and configured to connect to the outer casing; and a set of actuators disposed on a turbine foundation of the turbine and connected to the first inner casing support arm, the set of actuators located external to the outer casing and configured to adjust a position of the inner casing relative to the outer casing via manipulation of the first inner casing support arm.

公开(公告)号：US20150275684A1

公开(公告)日：2015-10-01

申请号：US14226583

申请日：2014-03-26

Applicant: General Electric Company

Inventor： Azam Mihir Thatte ,  Karimulla Shaik Sha ,  Rahul Anil Bidkar ,  Xiaoqing Zheng

IPC: F01D11/00 ,  F01D1/04

CPC classification number: F01D11/003 ,  F01D1/04 ,  F01D11/001 ,  F05D2220/31 ,  F05D2240/53 ,  Y02E20/16

Abstract: Embodiments of the present disclosure are directed toward a face seal including a stator ring configured to be disposed about a rotor of a turbine, wherein stator ring comprises a first ring segment and a second ring segment configured to cooperatively form the stator ring, wherein the first and second ring segments are circumferentially split and have at least one bearing element disposed between the first and second ring segments, and wherein the at least one bearing element is configured to enable relative axial motion between the first and second ring segments at interfaces between the first and second ring segments

Abstract translation: 本公开的实施例涉及一种面密封件，其包括构造成围绕涡轮机的转子设置的定子环，其中定子环包括构造成协同地形成定子环的第一环段和第二环段，其中第一 并且第二环段被周向地分开并且具有设置在第一和第二环段之间的至少一个轴承元件，并且其中所述至少一个轴承元件构造成使得能够在第一和第二环段之间的界面处的第一和第二环段之间的相对轴向运动 和第二环段

公开(公告)号：US20150071766A1

公开(公告)日：2015-03-12

申请号：US14023582

申请日：2013-09-11

Applicant: General Electric Company

Inventor： Karimulla Shaik Sha ,  Prakash Rajagopal ,  Xiaoqing Zheng

IPC: F01D11/22

CPC classification number: F01D11/22 ,  F05D2220/31 ,  Y02E20/16

Abstract: Systems and devices configured to reduce thermal design clearances (e.g., between stationary nozzles connected to the inner casing and rotor buckets connected to the rotor) in turbines by actively controlling casing movements and/or locations during turbine operation are disclosed. In one embodiment, a clearance management system includes: a first inner casing support arm shaped to connect to an inner casing of a turbine and extend through an outer casing of the turbine; a seal system disposed about the first inner casing support arm and configured to connect to the outer casing; and a set of actuators disposed on a turbine foundation of the turbine and connected to the first inner casing support arm, the set of actuators located external to the outer casing and configured to adjust a position of the inner casing relative to the outer casing via manipulation of the first inner casing support arm.

Abstract translation: 公开了通过在涡轮机操作期间主动地控制壳体运动和/或位置来构造成在涡轮机中减少热设计间隙（例如，连接到内壳体的固定喷嘴和连接到转子的转子桶之间）的系统和装置。 在一个实施例中，间隙管理系统包括：第一内壳支撑臂，其形状为连接到涡轮机的内壳并延伸穿过涡轮机的外壳; 密封系统，围绕所述第一内壳支撑臂布置并且被配置为连接到所述外壳; 以及一组致动器，其设置在所述涡轮机的涡轮机基座上并连接到所述第一内壳支撑臂，所述致动器组位于所述外壳的外部，并被配置为经由操纵调节所述内壳体相对于所述外壳体的位置 的第一内壳支撑臂。

公开(公告)号：US09587501B2

公开(公告)日：2017-03-07

申请号：US14076946

申请日：2013-11-11

Applicant: General Electric Company

Inventor： Xiaoqing Zheng ,  Rahul Anil Bidkar ,  Karimulla Shaik Sha ,  Azam Mihir Thatte

IPC: F01D11/00 ,  F16J15/34 ,  F16J15/38 ,  F16J15/00 ,  F16J15/44

CPC classification number: F01D11/003 ,  F01D11/005 ,  F16J15/002 ,  F16J15/34 ,  F16J15/3464 ,  F16J15/38 ,  F16J15/441 ,  Y10T29/49863

Abstract: A seal ring assembly for use with a rotary machine that includes an axis of rotation includes a seal housing comprising a secondary sealing surface and a secondary seal assembly coupled to the seal housing. The secondary seal assembly includes a seal ring coupled to the seal housing, wherein the seal ring is configured to form a secondary seal with the secondary sealing surface. The secondary seal assembly also includes at least one protection ring positioned upstream from the seal ring. The secondary seal assembly is configured to be biased along the axis such that biasing the at least one protection ring facilitates removing debris from at least a portion of the secondary sealing surface over which the seal ring travels during biasing.

Abstract translation: 一种与包括旋转轴线的旋转机器一起使用的密封环组件包括密封壳体，其包括二次密封表面和联接到密封壳体的次级密封组件。 二次密封组件包括联接到密封壳体的密封环，其中密封环被构造成与次密封表面形成二次密封。 次级密封组件还包括位于密封环上游的至少一个保护环。 次级密封组件被构造成沿着轴线被偏置，使得偏置至少一个保护环有助于从偏压期间密封环在其上行进的次级密封表面的至少一部分去除碎屑。

公开(公告)号：US20140144158A1

公开(公告)日：2014-05-29

申请号：US13689257

申请日：2012-11-29

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Karimulla Shaik Sha ,  Sayed Murtuza Ahmed ,  Shoib Ahmed Shariff

IPC: F02C7/00

CPC classification number: F02C7/00 ,  F01D11/005 ,  F05D2240/56 ,  F16J15/3288 ,  F23R2900/00012

Abstract: A turbomachine component includes a first housing portion having a first end that extends to a second end. At least one of the first and second ends includes a first sealing surface having a seal receiving passage. A second housing portion includes a first end that extends to a second end. At least one of the first and second ends includes a second sealing surface configured and disposed to register with the first sealing surface. A seal member is provided in the seal receiving passage. The seal member includes a plurality of bristles that extend toward the second sealing surface.

Abstract translation: 涡轮机组件包括具有延伸到第二端的第一端的第一壳体部分。 第一和第二端中的至少一个包括具有密封件接收通道的第一密封表面。 第二壳体部分包括延伸到第二端的第一端。 第一和第二端中的至少一个包括构造和设置成与第一密封表面对准的第二密封表面。 密封构件设置在密封件接收通道中。 密封构件包括朝向第二密封表面延伸的多个刷毛。

公开(公告)号：US20170051620A1

公开(公告)日：2017-02-23

申请号：US15346001

申请日：2016-11-08

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Azam Mihir Thatte ,  Karimulla Shaik Sha ,  Rahul Anil Bidkar ,  Xiaoqing Zheng

IPC: F01D11/00

CPC classification number: F01D11/003 ,  F01D1/04 ,  F01D11/001 ,  F05D2220/31 ,  F05D2240/53 ,  Y02E20/16

Abstract: Embodiments of the present disclosure are directed toward a face seal including a stator ring configured to be disposed about a rotor of a turbine, wherein the stator ring includes a first ring segment and a second ring segment which are circumferentially split and configured to cooperatively form the stator ring, and bearing elements disposed between the first and second ring segments and configured to enable relative axial motion between the first and second ring segments at interfaces between the first and second ring segments. The stator ring further includes hydrodynamic surface features on surfaces of the first and second ring segments configured for facing the rotor, wherein the hydrodynamic surface features comprise Y-shaped grooves each comprising a stem portion extending from a middle region of stator ring and splitting into inner and outer branches extending towards inner and outer diameters of the stator ring and terminating prior to the inner and outer diameters.

Abstract translation: 本公开的实施例涉及一种面密封件，其包括构造成绕涡轮机的转子设置的定子环，其中定子环包括第一环段和第二环段，所述第一环段和第二环段周向地分开并构造成协同地形成 定子环和轴承元件，其设置在第一和第二环段之间并且被配置为使得能够在第一和第二环段之间的界面处的第一和第二环段之间的相对轴向运动。 定子环还包括在第一和第二环段的表面上的流体动力学表面特征，其被构造用于面向转子，其中流体动力学表面特征包括Y形槽，每个凹槽包括从定子环的中间区域延伸并分裂成内部 以及外分支延伸到定子环的内径和外径，并在内径和外径之前终止。

公开(公告)号：US20150130142A1

公开(公告)日：2015-05-14

申请号：US14076946

申请日：2013-11-11

Applicant: General Electric Company

Inventor： Xiaoqing Zheng ,  Rahul Anil Bidkar ,  Karimulla Shaik Sha ,  Azam Mihir Thatte

IPC: F01D11/00

CPC classification number: F01D11/003 ,  F01D11/005 ,  F16J15/002 ,  F16J15/34 ,  F16J15/3464 ,  F16J15/38 ,  F16J15/441 ,  Y10T29/49863

Abstract: A seal ring assembly for use with a rotary machine that includes an axis of rotation includes a seal housing comprising a secondary sealing surface and a secondary seal assembly coupled to the seal housing. The secondary seal assembly includes a seal ring coupled to the seal housing, wherein the seal ring is configured to form a secondary seal with the secondary sealing surface. The secondary seal assembly also includes at least one protection ring positioned upstream from the seal ring. The secondary seal assembly is configured to be biased along the axis such that biasing the at least one protection ring facilitates removing debris from at least a portion of the secondary sealing surface over which the seal ring travels during biasing.

Abstract translation: 一种与包括旋转轴线的旋转机器一起使用的密封环组件包括密封壳体，其包括二次密封表面和联接到密封壳体的次级密封组件。 二次密封组件包括联接到密封壳体的密封环，其中密封环被构造成与次密封表面形成二次密封。 次级密封组件还包括位于密封环上游的至少一个保护环。 次级密封组件被构造成沿着轴线被偏置，使得偏置至少一个保护环有助于从偏压期间密封环在其上行进的次级密封表面的至少一部分去除碎屑。