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1. 发明授权

US09534502B2 Individually compliant segments for split ring hydrodynamic face seal 有权
标题翻译：单圈流体动力面密封单元
公开(公告)号：US09534502B2
公开(公告)日：2017-01-03
申请号：US14226583
申请日：2014-03-26
申请人： General Electric Company
发明人： Azam Mihir Thatte , Karimulla Shaik Sha , Rahul Anil Bidkar , Xiaoqing Zheng
IPC分类号： F01D11/00 , F01D1/04
CPC分类号： F01D11/003 , F01D1/04 , F01D11/001 , F05D2220/31 , F05D2240/53 , Y02E20/16
摘要： 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.
摘要翻译：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。

2. 发明授权

US09291067B2 Rotary machine aspirating seal assembly and method of assembling the same 有权
标题翻译：旋转机吸气密封组件及其组装方法
公开(公告)号：US09291067B2
公开(公告)日：2016-03-22
申请号：US14076982
申请日：2013-11-11
申请人： General Electric Company
发明人： Xiaoqing Zheng , Norman Arnold Turnquist , Michael Dennis Mack , Rahul Anil Bidkar , Azam Mihir Thatte
IPC分类号： F01D11/00 , F01D11/02 , F16J15/34 , F16J15/44 , F16J15/00 , F16J15/447
CPC分类号： F01D11/003 , F01D11/02 , F16J15/002 , F16J15/3404 , F16J15/3412 , F16J15/4472
摘要： An aspirating face seal for use with a rotary machine includes a rotating seal ring including a radially outer surface that includes an oblique portion. A stationary seal ring is coupled proximate the rotating seal ring such that a first gap is defined therebetween. The stationary seal ring is movable along a centerline axis of the rotary machine between an open position and a sealed position, and includes an extension member that extends across the first gap. An auxiliary seal includes at least one seal tooth that includes a seal tooth tip. The at least one seal tooth extends radially inward from the extension member such that a second gap is defined between the seal tooth tip and the oblique portion.
摘要翻译：与旋转机一起使用的抽吸面密封件包括旋转密封环，其包括包括倾斜部分的径向外表面。固定密封环在旋转的密封环附近耦合，使得在其间限定第一间隙。固定密封环可沿着旋转机器的中心线在打开位置和密封位置之间移动，并且包括延伸穿过第一间隙的延伸构件。辅助密封件包括至少一个包括密封齿顶端的密封齿。所述至少一个密封齿从所述延伸构件径向向内延伸，使得在所述密封齿顶部和所述倾斜部分之间限定第二间隙。

3. 发明授权

US09115810B2 Pressure actuated film riding seals for turbo machinery 有权
标题翻译：用于涡轮机械的压力驱动膜骑行密封件
公开(公告)号：US09115810B2
公开(公告)日：2015-08-25
申请号：US14045083
申请日：2013-10-03
申请人： General Electric Company
发明人： Rahul Anil Bidkar , Azam Mihir Thatte , Nathan Evan McCurdy Gibson , Andrew Paul Giametta
IPC分类号： F16J15/447 , F16J15/44
CPC分类号： F16J15/447 , F16J15/442 , Y10T29/49826
摘要： A seal assembly for a rotary machine is provided. The seal assembly includes multiple sealing device segments disposed circumferentially intermediate to a stationary housing and a rotor. Each of the sealing device segments includes a stator interface element, a shoe plate having an extended portion having one or more labyrinth teeth facing the rotor and a load bearing portion, wherein the shoe plate is configured to generate an aerodynamic force between the shoe plate and the rotor. The sealing device segment further includes a secondary seal configured to be in contact with the stator interface element at a radially outer end and configured to be in contact with an elevated nose section of the extended portion of the shoe plate on a radially inner end; and multiple flexible elements attached to the shoe plate and to the stator interface element.
摘要翻译：提供了一种用于旋转机器的密封组件。密封组件包括沿周向设置在固定壳体和转子周围的多个密封装置段。每个密封装置段包括定子界面元件，具有延伸部分的鞋板，该延伸部分具有面向转子的一个或多个迷宫齿轮和承载部分，其中该鞋板构造成在鞋板和转子。密封装置段还包括次级密封件，其构造成在径向外端处与定子接口元件接触并且构造成与径向内端上的鞋板延伸部分的升高的鼻部部分接触; 以及附接到鞋板和定子界面元件的多个柔性元件。

4. 发明授权

US10208609B2 Turbine and methods of assembling the same 有权
公开(公告)号：US10208609B2
公开(公告)日：2019-02-19
申请号：US14299280
申请日：2014-06-09
申请人： General Electric Company
发明人： Chiranjeev Singh Kalra , Azam Mihir Thatte , Douglas Carl Hofer
IPC分类号： F01D11/04 , F01D11/00 , B23P15/04 , F01D25/12 , F01D1/02 , F01D11/06 , F02C6/18
摘要： A turbine operable with a first fluid and a second fluid is provided. The turbine includes a shaft and having a dry gas seal area, a balance area, and a shaft surface. The turbine also includes a stationary component coupled to a housing and having a first side and a second side and defining a channel in flow communication with the shaft surface. A heat exchange assembly is coupled to the housing and in flow communication with the shaft and the stationary component. The heat exchange assembly includes a first flow path coupled in flow communication with the dry gas seal area and the channel and configured to direct the first fluid along the first side. Heat exchange assembly also includes a second flow path coupled in flow communication with the balance area and channel and configured to direct the second fluid along the second side.

5. 发明授权

US10161259B2 Flexible film-riding seal 有权
公开(公告)号：US10161259B2
公开(公告)日：2018-12-25
申请号：US14878862
申请日：2015-10-08
申请人： General Electric Company
发明人： Nathan Evan McCurdy Gibson , Rahul Anil Bidkar , Azam Mihir Thatte , Narayana Shastry , Hariharan Manickavasagam Sarojini
IPC分类号： F01D11/00 , F16J15/44 , F01D11/02 , F01D11/16 , F01D11/14 , F01D11/08 , F01D11/04 , F01D11/10 , F01D11/12
摘要： A seal apparatus for a rotary machine, including a plurality of sealing assembly segments surrounding a rotor element which is mounted for rotation about a longitudinal axis and has an outer surface. Each of the segments includes a shoe with one or more labyrinth teeth facing the outer surface and a shoe plate disposed downstream of the one or more labyrinth seal teeth and configured to generate an aerodynamic force between the shoe plate and the outer surface of the rotor element. The shoe is further configured to be flexible in a radial-axial plane in response to fluid film forces generated by interaction of the sealing assembly segment and the rotor element, and an axially-oriented beam spring connects the shoe to a stationary seal body.

6. 发明申请

US20150275685A1 FACE SEAL WITH LOCALLY COMPLIANT HYDRODYNAMIC PADS 有权
标题翻译：具有局部合适的水动力垫的表面密封
公开(公告)号：US20150275685A1
公开(公告)日：2015-10-01
申请号：US14226617
申请日：2014-03-26
申请人： General Electric Company
发明人： Azam Mihir Thatte , Rahul Anil Bidkar , Xiaoqing Zheng
IPC分类号： F01D11/00 , F01D1/04
CPC分类号： F01D11/001 , F01D1/04 , F01D11/003 , F01D25/22 , F05D2220/31
摘要： Embodiments of the present disclosure are directed toward a stator ring configured to be disposed about a rotor of a turbine, wherein the stator ring comprises a plurality of hydrodynamic pads extending from a sealing face of the stator ring, wherein each of the plurality of hydrodynamic pads is configured to hydrodynamically engage with a rotor ring.
摘要翻译：本公开的实施例涉及一种被配置为围绕涡轮机的转子设置的定子环，其中定子环包括从定子环的密封面延伸的多个流体动力垫，其中多个流体动力垫构造成与转子环流体动力接合。

7. 发明申请

US20150275684A1 INDIVIDUALLY COMPLIANT SEGMENTS FOR SPLIT RING HYDRODYNAMIC FACE SEAL 有权
标题翻译：分离环水动力面密封件的独立部分
公开(公告)号：US20150275684A1
公开(公告)日：2015-10-01
申请号：US14226583
申请日：2014-03-26
申请人： General Electric Company
发明人： Azam Mihir Thatte , Karimulla Shaik Sha , Rahul Anil Bidkar , Xiaoqing Zheng
IPC分类号： F01D11/00 , F01D1/04
CPC分类号： F01D11/003 , F01D1/04 , F01D11/001 , F05D2220/31 , F05D2240/53 , Y02E20/16
摘要： 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
摘要翻译：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

8. 发明授权

US09045994B2 Film riding aerodynamic seals for rotary machines 有权
标题翻译：旋转机器的电影骑行气动密封
公开(公告)号：US09045994B2
公开(公告)日：2015-06-02
申请号：US13665431
申请日：2012-10-31
申请人： General Electric Company
发明人： Rahul Anil Bidkar , Matthew Michael Langenderfer , Hrishikesh Vishvas Deo , Azam Mihir Thatte
IPC分类号： F16J15/447 , F01D11/02 , F16J15/44
CPC分类号： F01D11/02 , F01D11/025 , F05D2240/55 , F16J15/442 , Y10T29/49826
摘要： A seal assembly for a rotary machine is provided. The seal assembly includes multiple sealing device segments disposed circumferentially intermediate to a stationary housing and a rotor. Each of the sealing device segments includes a stator interface element. The sealing device segment also includes a shoe plate having one or more labyrinth teeth facing the rotor and a load-bearing surface region, wherein the shoe plate allows a high pressure fluid to an upstream portion of the forwardmost labyrinth tooth and a low pressure fluid to a downstream portion of the aftmost labyrinth tooth. The sealing device segment further includes a secondary seal in contact with the stator interface element at a radially outer end and in contact with an elevated nose of the shoe plate on a radially inner end; and multiple bellow springs or flexures attached to the shoe plate and to the stator interface element.
摘要翻译：提供了一种用于旋转机器的密封组件。密封组件包括沿周向设置在固定壳体和转子周围的多个密封装置段。每个密封装置段包括定子接口元件。密封装置段还包括具有面向转子的一个或多个迷宫齿和承载表面区域的鞋板，其中，鞋板允许高压流体到达最前面的迷宫齿的上游部分，而低压流体最后迷宫齿的下游部分。密封装置段还包括在径向外端处与定子界面元件接触并在径向内端上与鞋板的升高的鼻部接触的次级密封件; 以及多个波纹管弹簧或挠曲件，其附接到鞋板和定子接口元件。

9. 发明申请

US20180003069A1 FACE SEAL ASSEMBLY AND AN ASSOCIATED METHOD THEREOF 审中-公开
公开(公告)号：US20180003069A1
公开(公告)日：2018-01-04
申请号：US15397317
申请日：2017-01-03
申请人： General Electric Company
发明人： Rahul Anil Bidkar , Azam Mihir Thatte , Jifeng Wang , Xiaoqing Zheng , Edip Sevincer
IPC分类号： F01D11/06 , F01D25/16 , F01D5/02 , F01D9/02 , F16J15/40
CPC分类号： F16J15/40 , F01D25/22 , F05D2240/53 , F16J15/342
摘要： A turbomachine and a method of operating the turbomachine are disclosed. The turbomachine includes a stator, a rotor including a rotor bearing face, a face seal assembly, a first pressure cavity, and a second pressure cavity. The face seal assembly includes a seal ring including a seal bearing face, a first pressure cavity, and a plurality of isolated hydrostatic ports extending from the first pressure cavity to the seal bearing face. The face seal assembly is slidably coupled to the stator and defines a face seal clearance between the rotor and seal bearing faces. The second and third pressure cavities are defined by the stator, the rotor, and the face seal assembly. The third pressure cavity is disposed downstream of the second pressure cavity with reference to flow of a process fluid along the stator and rotor. The first pressure cavity is isolated from the second and third pressure cavities.

10. 发明授权

US09587501B2 Rotary machine secondary sealing assembly and method of assembling the same 有权
标题翻译：旋转二次密封组件及组装方法
公开(公告)号：US09587501B2
公开(公告)日：2017-03-07
申请号：US14076946
申请日：2013-11-11
申请人： General Electric Company
发明人： Xiaoqing Zheng , Rahul Anil Bidkar , Karimulla Shaik Sha , Azam Mihir Thatte
IPC分类号： F01D11/00 , F16J15/34 , F16J15/38 , F16J15/00 , F16J15/44
CPC分类号： F01D11/003 , F01D11/005 , F16J15/002 , F16J15/34 , F16J15/3464 , F16J15/38 , F16J15/441 , Y10T29/49863
摘要： 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.
摘要翻译：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。

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