公开(公告)号：US09574453B2

公开(公告)日：2017-02-21

申请号：US14146292

申请日：2014-01-02

Applicant: General Electric Company

Inventor： Xiaoqing Zheng ,  Thomas Joseph Farineau ,  Sacheverel Quentin Eldrid ,  Jason L. Bowers

IPC: F01D11/02 ,  F01D9/04 ,  F01D5/08 ,  F01D25/12 ,  F01D9/06 ,  F01D11/00 ,  F01D25/24

CPC classification number: F01D9/045 ,  F01D5/08 ,  F01D9/06 ,  F01D9/065 ,  F01D11/003 ,  F01D11/005 ,  F01D11/02 ,  F01D25/12 ,  F01D25/24 ,  F05D2240/55 ,  Y10T29/49316

Abstract: A steam turbine is provided. The steam turbine includes a housing and a steam inlet configured to discharge a primary steam flow within the housing. A stator is coupled to the housing and a rotor is coupled to the housing and located within the stator. The rotor and the stator are configured to define a primary flow path there between and in flow communication with the primary steam flow. The steam turbine includes a seal assembly coupled to the housing. The seal assembly includes a packing head and a plurality of seals. The packing head is configured to define a cooling flow path in flow communication with the rotor and configured to discharge a cooling steam flow toward the rotor. An anti-swirl device is coupled to the seal assembly and located between the rotor and the packing head.

Abstract translation: 提供蒸汽轮机。 蒸汽轮机包括壳体和构造成排出壳体内的主蒸汽流的蒸汽入口。 定子联接到壳体并且转子联接到壳体并且定位在定子内。 转子和定子构造成在其间限定主流动路径，并与主蒸汽流动流动连通。 蒸汽轮机包括联接到壳体的密封组件。 密封组件包括密封头和多个密封件。 包装头构造成限定与转子流动连通的冷却流动路径，并且构造成朝向转子排放冷却蒸汽流。 防旋转装置联接到密封组件并且位于转子和包装头之间。

公开(公告)号：US20150345318A1

公开(公告)日：2015-12-03

申请号：US14294812

申请日：2014-06-03

Applicant: General Electric Company

Inventor： Xiaoqing Zheng ,  Michael Dennis Mack ,  Debabrata Mukhopadhyay

IPC: F01D11/00 ,  F04D29/08

CPC classification number: F01D11/001 ,  F01D5/225 ,  F01D11/127 ,  F04D29/083 ,  F04D29/102 ,  F05D2240/56 ,  F05D2250/312 ,  F05D2250/75 ,  F16J15/006 ,  F16J15/3288

Abstract: A brush seal for a turbine including an annular layer of filaments having a generally L-shape including an axial portion of the filaments and a radial portion of filaments, wherein a first end of the filaments is at an end of the radial portion and faces a rotating component of the turbine and a second end region of the filaments is at an end of the axial portion of the filaments and is fastened to a stationary component of the turbine.

Abstract translation: 一种用于涡轮机的刷子密封件，包括具有大致L形的细丝的环形层，其包括长丝的轴向部分和长丝的径向部分，其中长丝的第一端位于径向部分的端部并面向 涡轮机的旋转部件和长丝的第二端部区域处于长丝的轴向部分的端部并且紧固到涡轮机的静止部件。

公开(公告)号：US09109459B2

公开(公告)日：2015-08-18

申请号：US14076974

申请日：2013-11-11

Applicant: General Electric Company

Inventor： Shaik Karimulla Sha ,  Xiaoqing Zheng ,  Azam Mihir Thatte

IPC: F16J15/34 ,  F16J15/32 ,  F01D11/00

CPC classification number: F01D11/003 ,  F16J15/3288 ,  F16J15/34 ,  F16J15/3408 ,  F16J15/3412 ,  F16J15/3484 ,  F16J15/3496

Abstract: A self-cleaning hydrodynamic face seal for use with a rotary machine is provided. The hydrodynamic face seal includes a seal ring having a radially-extending seal face. In addition, the hydrodynamic face seal includes at least one brush coupled to the seal ring. The at least one brush includes a plurality of flexible elements extending away from the radially-extending seal face of the face seal ring.

Abstract translation: 提供了一种用于旋转机器的自清洁流体动力面密封件。 流体动力面密封件包括具有径向延伸的密封面的密封环。 此外，流体动力面密封件包括至少一个联接到密封环的刷子。 至少一个刷子包括多个柔性元件，其远离面密封环的径向延伸的密封面延伸。

公开(公告)号：US20150159497A1

公开(公告)日：2015-06-11

申请号：US14098997

申请日：2013-12-06

Applicant: General Electric Company

Inventor： Sacheverel Quentin Eldrid ,  Thomas Joseph Farineau ,  Michael Earl Montgomery ,  Timothy Scott McMurray ,  Xiaoqing Zheng

IPC: F01D11/04 ,  F01D1/02

CPC classification number: F01D11/08 ,  F01D1/02 ,  F01D1/023 ,  F01D9/06 ,  F01D11/001 ,  F01D11/04 ,  F05D2230/60 ,  F05D2240/55 ,  Y10T29/49323

Abstract: A steam turbine is provided. The steam turbine includes a housing and a steam inlet coupled in flow communication to the housing which is configured to discharge a first steam flow within the housing. A stator is coupled to the housing and includes plurality of vanes. A rotor is coupled to the housing and located within the stator, wherein the rotor and the stator are configured to form a first flow path there between 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 define a second flow path in flow communication with the first flow path and to discharge a second steam flow within the at least one root. The at least one root of the plurality of blades includes an angel wing in flow communication with the passageway and configured to seal the passageway from the first flow path.

Abstract translation: 提供蒸汽轮机。 蒸汽涡轮机包括壳体和与壳体流体连通地连接的蒸汽入口，该蒸汽入口构造成排出壳体内的第一蒸汽流。 定子联接到壳体并且包括多个叶片。 转子耦合到壳体并且定位在定子内，其中转子和定子构造成在其间形成第一流动路径并且与第一蒸汽流流动连通。 转子包括联接到转子的多个叶片，多个叶片的至少一个根部具有与第一侧和第二侧流动连通的第一侧，第二侧和通道。 通道被配置为限定与第一流动路径流动连通并且排出至少一个根内的第二蒸汽流的第二流动路径。 所述多个叶片中的至少一个根部包括与所述通道流体连通并构造成将所述通道从所述第一流动路径密封的天使翼。

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。

公开(公告)号：US20140225326A1

公开(公告)日：2014-08-14

申请号：US14253307

申请日：2014-04-15

Applicant: General Electric Company

Inventor： Xiaoqing Zheng ,  Mehmet Demiroglu ,  Michael Dennis Mack ,  Guoqiang Lu

IPC: F16J15/32 ,  F01D11/00

CPC classification number: F16J15/3288 ,  F01D11/00 ,  F01D11/003 ,  F05D2240/56

Abstract: The present application provides for a brush seal system for use about a rotor of a rotary machine. The brush seal system may include a number of brush seal segments, with each of the brush seal segments having a number of bristles, and one or more of the brush seal segments including an elliptical profile so as to vary a clearance between the brush seal segments and the rotor.

Abstract translation: 本申请提供了一种用于旋转机器的转子的刷密封系统。 刷密封系统可以包括多个刷密封段，其中每个刷密封段具有多个刷毛，并且一个或多个刷密封段包括椭圆形轮廓，以便改变刷密封段之间的间隙 和转子。

公开(公告)号：US20130069317A1

公开(公告)日：2013-03-21

申请号：US13675448

申请日：2012-11-13

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Xiaoqing Zheng ,  William Edward Adis ,  Bernard Arthur Couture, JR. ,  Michael Dennis Mack

IPC: F16J15/16

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。