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41.发明申请公开(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。
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公开(公告)号：US08919780B2
公开(公告)日：2014-12-30
申请号：US13675448
申请日：2012-11-13
Applicant: General Electric Company
CPC classification number: F16J15/16 , F01D11/003 , F05D2240/56 , F16J15/3288
Abstract: A brush seal and brush seal segment for use in a rotary device are provided. In one embodiment, the invention provides a brush seal comprising: a plurality of brush seal segments, each segment including: an arcuate fence; an arcuate backplate substantially circumferentially coextensive with the arcuate fence, the arcuate backplate including a first end and a second end; and a plurality of brush seal bristles between the arcuate backplate and the arcuate fence, the plurality of brush seal bristles being angled with respect to a radial axis of the arcuate backplate and at least one of the first end and the second end of the arcuate backplate; and a static member to which at least one of the plurality of brush seal segments is affixed.
Abstract translation: 提供用于旋转装置的刷密封和刷密封段。 在一个实施例中，本发明提供了一种刷子密封件，其包括：多个刷子密封段，每个段包括：弓形围栏; 基本上与弓形围栏共同延伸的弓形背板，该弧形背板包括第一端和第二端; 以及在所述弓形背板和所述弧形挡板之间的多个刷密封刷毛，所述多个刷密封刷毛相对于所述弧形背板的径向轴线成角度，并且所述弓形背板的第一端和第二端中的至少一个 ; 以及固定所述多个刷子密封段中的至少一个的静止部件。
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公开(公告)号：US10822977B2
公开(公告)日：2020-11-03
申请号：US15365464
申请日：2016-11-30
Applicant: General Electric Company
Inventor： Yu Wang , Sean Morrissey , Xiaoqing Zheng , Tao Guo
Abstract: A blade includes an airfoil, a stationary portion coupled to a radially inner end of the airfoil, and a leakage flow guide vane assembly coupled to the stationary portion. The leakage flow guide vane assembly includes a plurality of passages defined therein. The passages are oriented to induce a swirl velocity to a working fluid flowing through the passages.
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公开(公告)号：US10774667B2
公开(公告)日：2020-09-15
申请号：US15484819
申请日：2017-04-11
Applicant: General Electric Company
Inventor： Sacheverel Quentin Eldrid , Thomas Joseph Farineau , Michael Earl Montgomery , Timothy Scott McMurray , Xiaoqing Zheng
Abstract: A steam turbine is provided. The steam turbine includes a housing, a first steam inlet configured to discharge a first steam flow within the housing, and a second steam inlet configured to provide a second steam flow. A rotor and stator are coupled to the housing and configured to form a first flow path therebetween and in flow communication with the first steam flow. The rotor includes a plurality of blades coupled to the rotor, at least one root of the plurality of blades has a first side, a second side and a passageway coupled in flow communication to the first side and the second side. The passageway is configured to receive the second steam flow within the at least one root. The at least one root includes an angel wing configured to seal the second steam flow from the first flow path.
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公开(公告)号：US20190323370A1
公开(公告)日：2019-10-24
申请号：US15957415
申请日：2018-04-19
Applicant: General Electric Company
Inventor： Deepak Trivedi , Rahul Anil Bidkar , Xiaoqing Zheng , Christopher Edward Wolfe
Abstract: The subject matter described herein relate to a segmented piston seal system. The segmented piston seal includes a first semi-circular section (FSCS) that includes a first locking structure at opposite ends of the FSCS. The segmented piston seal includes a second semi-circular section (SSCS) that includes a second locking structure at opposite ends of the SSCS. The first and second locking structures are configured to lock the FSCS and the SSCS together to form a piston seal.
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Patent Agency Ranking
公开(公告)号：US10041367B2
公开(公告)日：2018-08-07
申请号：US14104155
申请日：2013-12-12
Applicant: General Electric Company
Inventor： William Edmund Girzone , Xiaoqing Zheng
CPC classification number: F01D11/08 , F01D5/225 , F01D11/003 , Y02E20/16
Abstract: A first aspect of the invention provides an axially faced seal system for a radial tip of a turbine component, the system comprising: a stationary turbine component; a rotating turbine component; and a seal ring mounted to the stationary turbine component, the seal ring extending axially to the rotating turbine component and engaging the rotating turbine component on a side surface, wherein the side surface of the rotating turbine component is on a continuous, rotating mating ring having a 360 degree arc.
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公开(公告)号：US09963992B2
公开(公告)日：2018-05-08
申请号：US14869538
申请日：2015-09-29
Applicant: General Electric Company
Inventor： Xiaoqing Zheng , Michael Dennis Mack , Neelesh Nandkumar Sarawate , Deepak Trivedi
CPC classification number: F01D11/127 , F01D5/02 , F01D11/001 , F01D11/025 , F05D2220/30 , F05D2220/31 , F05D2230/60 , F05D2240/56 , F05D2260/30 , F16J15/164 , F16J15/3288
Abstract: A seal for a rotary machine includes a flexible element extending circumferentially about a rotor and extending generally radially from a first end to a free second end. The flexible element is coupled proximate the first end for rotation with the rotor. The flexible element extends at substantially a first angle between at least an intermediate portion of the flexible element and the free second end when the rotor is operating at less than a critical speed, such that a clearance gap is defined between the free second end and a stationary portion. The seal also includes a retaining plate having a stop that orients the flexible element at a second angle proximate the free second end when the rotor is operating at equal to or greater than the critical speed, such that the flexible element forms a dynamic seal between the rotor and the stationary portion.
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公开(公告)号：US20180058241A1
公开(公告)日：2018-03-01
申请号：US15248161
申请日：2016-08-26
Applicant: General Electric Company
Inventor： Neelesh Nandkumar Sarawate , Deepak Trivedi , Xiaoqing Zheng
Abstract: A seal for a rotary machine includes a flexible element extending circumferentially about a rotating component and extending generally radially from a first end to a free second end. The flexible element is coupled proximate the first end for rotation with the rotating component. The seal also includes a retaining plate having a stop face that orients the flexible element at a first angle when the rotating component is operating at less than a critical speed and under the including of pressure loading, such that a clearance gap is defined between the free second end and a stationary component. The flexible element extends at substantially a second angle when the rotating component is operating at a speed greater than the critical speed, such that the flexible element forms a dynamic seal between the rotating component and the stationary component.
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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
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.
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50.发明授权公开(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
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。
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