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    SEAL ASSEMBLIES FOR TURBINE ENGINES AND RELATED METHODS
    11.
    发明公开
    SEAL ASSEMBLIES FOR TURBINE ENGINES AND RELATED METHODS 审中-公开

    公开(公告)号：US20230417148A1

    公开(公告)日：2023-12-28

    申请号：US17851672

    申请日：2022-06-28

    Applicant: General Electric Company

    Inventor： Deepak Trivedi ,  Rahul Anil Bidkar ,  Bugra Han Ertas

    IPC: F01D11/08

    CPC classification number: F01D11/08 ,  F05D2220/323 ,  F05D2240/55

    Abstract: A seal assembly for an aeronautical turbine engine includes a passive flow regulator. The passive flow regulator includes a seal body defining an aspiration conduit, and a flow constrictor disposed within and/or adjacently upstream of the aspiration conduit. The aspiration conduit provides fluid communication across the seal body from a relatively higher-pressure fluid volume to a relatively lower-pressure fluid volume. The flow constrictor includes one or more flexure elements that move in one or more degrees of freedom as a result of changes in a pressure differential across the flow constrictor. The movement of the one or more flexure elements changes a hydraulic resistance of fluid flow past the flow constrictor based at least in part on a position of the flow constrictor in relation to the aspiration conduit.

    FACE SEAL ASSEMBLY AND AN ASSOCIATED METHOD THEREOF
    14.
    发明申请
    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

    Applicant: General Electric Company

    Inventor： Rahul Anil Bidkar ,  Azam Mihir Thatte ,  Jifeng Wang ,  Xiaoqing Zheng ,  Edip Sevincer

    IPC: F01D11/06 ,  F01D25/16 ,  F01D5/02 ,  F01D9/02 ,  F16J15/40

    CPC classification number: F16J15/40 ,  F01D25/22 ,  F05D2240/53 ,  F16J15/342

    Abstract: 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.

    Rotary machine secondary sealing assembly and method of assembling the same
    15.
    发明授权
    Rotary machine secondary sealing assembly and method of assembling the same 有权
    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

    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。

    ROTARY MACHINE ASPIRATING SEAL ASSEMBLY AND METHOD OF ASSEMBLING THE SAME
    16.
    发明申请
    ROTARY MACHINE ASPIRATING SEAL ASSEMBLY AND METHOD OF ASSEMBLING THE SAME 有权
    旋转机吸嘴密封组件及其组装方法

    公开(公告)号：US20150130138A1

    公开(公告)日：2015-05-14

    申请号：US14076982

    申请日：2013-11-11

    Applicant: General Electric Company

    Inventor： Xiaoqing Zheng ,  Norman Arnold Turnquist ,  Michael Dennis Mack ,  Rahul Anil Bidkar ,  Azam Mihir Thatte

    IPC: F01D11/00

    CPC classification number: F01D11/003 ,  F01D11/02 ,  F16J15/002 ,  F16J15/3404 ,  F16J15/3412 ,  F16J15/4472

    Abstract: 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.

    Abstract translation: 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。

    PRESSURE ACTUATED FILM RIDING SEALS FOR TURBO MACHINERY
    17.
    发明申请
    PRESSURE ACTUATED FILM RIDING SEALS FOR TURBO MACHINERY 有权
    TURBO机械的压力执行膜片密封

    公开(公告)号：US20140117624A1

    公开(公告)日：2014-05-01

    申请号：US14045083

    申请日：2013-10-03

    Applicant: General Electric Company

    Inventor： Rahul Anil Bidkar ,  Azam Mihir Thatte ,  Nathan Evan McCurdy Gibson ,  Andrew Paul Giametta

    IPC: F16J15/447

    CPC classification number: F16J15/447 ,  F16J15/442 ,  Y10T29/49826

    Abstract: 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.

    Abstract translation: 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。

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