公开(公告)号：US09267385B2

公开(公告)日：2016-02-23

申请号：US14489630

申请日：2014-09-18

Applicant: ALSTOM Technology Ltd

Inventor： Ulrich Robert Steiger ,  Thomas Heinz-Schwarzmaier

IPC: F16J15/02 ,  F01D11/00 ,  F16J15/08

CPC classification number: F01D11/005 ,  F05B2240/572 ,  F05B2250/184 ,  F05D2240/55 ,  F16J15/0887

Abstract: A strip seal and method of configuration thereof for sealing portions of components of a gas turbine exposed to pressure pulsations. The strip seal has a sealing face that is configured to follow the contours of first portions of the components. The strip seal further has a pressure face that has a sinusoidal curvilinear shape with respect to the sealing face. The pressure face is configured to prevent localized movement of strip seal by configuring pressure face on its first side to contact sealing face at a plurality of points, on its second side to contact second portions of the components at a plurality of points.

Abstract translation: 一种带状密封件及其构造方法，用于密封暴露于压力脉动的燃气涡轮机部件的部分。 带状密封件具有密封面，其被构造成遵循部件的第一部分的轮廓。 带状密封件还具有相对于密封面具有正弦曲线形状的压力面。 压力面被构造成通过在其第一侧上配置压力面以在多个点处在其第二侧上接触密封面以防止在多个点处接触部件的第二部分的带状密封件的局部移动。

公开(公告)号：US20140191476A1

公开(公告)日：2014-07-10

申请号：US14202571

申请日：2014-03-10

Applicant: ALSTOM Technology Ltd.

Inventor： Cyrille Bricaud ,  Ulrich Robert Steiger ,  Axel Heidecke ,  Carlos Simon-Delgado

IPC: F01D11/02

CPC classification number: F01D11/02 ,  F01D11/025 ,  F05D2300/50212 ,  F16J15/445 ,  F16J15/4472

Abstract: A labyrinth seal is provided for sealing the annular interspace between the rotor and the stator of a steam turbine or gas turbine. The labyrinth seal includes a multiplicity of sealing strips which are arranged in series in the axial direction and fastened on the stator and project into the interspace. The sealing strips interact, with sealing effect, with rotor-side sealing elements which are arranged in a staggered manner. An improved sealing effect is achieved by the sealing strips in the cold installed state being offset in relation to a symmetrical position, wherein the offset has the reverse direction and the same amount as the distance by which the sealing strip is displaced relative to adjacent rotor-side sealing elements as a result of thermal expansions of the stationary and rotating components and support structure when being heated from the cold installed state to a hot steady-state operating condition.

Abstract translation: 提供迷宫式密封件用于密封汽轮机或燃气轮机的转子和定子之间的环形间隙。 迷宫式密封件包括多个密封条，其沿轴向串联设置并固定在定子上并投入到间隙中。 密封条与密封效应相互作用，转子侧密封元件以交错方式布置。 通过在冷安装状态下的密封条相对于对称位置偏移来实现改进的密封效果，其中所述偏移具有与密封条相对于相邻转子相对位移的距离相反的方向和相同的量， 由于固定和旋转的部件和支撑结构在从冷的安装状态被加热到热的稳态操作状态时的热膨胀的结果导致侧面密封元件。

公开(公告)号：US09650907B2

公开(公告)日：2017-05-16

申请号：US14202571

申请日：2014-03-10

Applicant: ALSTOM Technology Ltd

Inventor： Cyrille Bricaud ,  Ulrich Robert Steiger ,  Axel Heidecke ,  Carlos Simon-Delgado

IPC: F01D11/02 ,  F16J15/44 ,  F16J15/447

CPC classification number: F01D11/02 ,  F01D11/025 ,  F05D2300/50212 ,  F16J15/445 ,  F16J15/4472

Abstract: A labyrinth seal is provided for sealing the annular interspace between the rotor and the stator of a steam turbine or gas turbine. The labyrinth seal includes a multiplicity of sealing strips which are arranged in series in the axial direction and fastened on the stator and project into the interspace. The sealing strips interact, with sealing effect, with rotor-side sealing elements which are arranged in a staggered manner. An improved sealing effect is achieved by the sealing strips in the cold installed state being offset in relation to a symmetrical position, wherein the offset has the reverse direction and the same amount as the distance by which the sealing strip is displaced relative to adjacent rotor-side sealing elements as a result of thermal expansions of the stationary and rotating components and support structure when being heated from the cold installed state to a hot steady-state operating condition.

公开(公告)号：US20150001815A1

公开(公告)日：2015-01-01

申请号：US14489630

申请日：2014-09-18

Applicant: ALSTOM Technology Ltd

Inventor： Ulrich Robert Steiger ,  Thomas Heinz-Schwarzmaier

IPC: F01D11/00

CPC classification number: F01D11/005 ,  F05B2240/572 ,  F05B2250/184 ,  F05D2240/55 ,  F16J15/0887

Abstract: A strip seal and method of configuration thereof for sealing portions of components of a gas turbine exposed to pressure pulsations. The strip seal has a sealing face that is configured to follow the contours of first portions of the components. The strip seal further has a pressure face that has a sinusoidal curvilinear shape with respect to the sealing face. The pressure face is configured to prevent localized movement of strip seal by configuring pressure face on its first side to contact sealing face at a plurality of points, on its second side to contact second portions of the components at a plurality of points.

Abstract translation: 一种带状密封件及其构造方法，用于密封暴露于压力脉动的燃气涡轮机部件的部分。 带状密封件具有密封面，其被构造成遵循部件的第一部分的轮廓。 带状密封件还具有相对于密封面具有正弦曲线形状的压力面。 压力面被构造成通过在其第一侧上配置压力面以在多个点处在其第二侧上接触密封面以防止在多个点处接触部件的第二部分的带状密封件的局部移动。

公开(公告)号：US20140013765A1

公开(公告)日：2014-01-16

申请号：US13939748

申请日：2013-07-11

Applicant: ALSTOM Technology Ltd

Inventor： Adrien Franz Studerus ,  Ulrich Robert Steiger ,  Ralf Jakoby ,  René Wälchli

IPC: F02C3/00

CPC classification number: F02C9/18 ,  F02C3/00 ,  F02C3/04 ,  F02C7/18 ,  F02C7/26 ,  F04D27/0207 ,  F04D27/0292 ,  F05D2260/232 ,  F05D2270/101 ,  Y02T50/675

Abstract: The invention relates to a surge control method for a gas turbine engine. The method includes providing a gas turbine engine having a compressor, a combustor, downstream of the compressor, with a hot gas path, a turbine downstream of the combustor, with a hot gas path. The method further includes monitoring the gas turbine engine for a potential surge condition, controlling a blow-off flow from the compressor, based on the monitoring for the control purpose of avoiding the surge condition, and directing the blow-off flow to at least one of the hot gas paths so as to bypass at least a portion of the combustor.

Abstract translation: 本发明涉及一种燃气轮机发动机的喘振控制方法。 该方法包括提供具有压缩机，燃烧器，压缩机下游的燃气涡轮发动机，具有热气路径，燃烧器下游的涡轮机，具有热气路径。 该方法还包括基于对避免浪涌状况的控制目的的监视，以及将排出流引导至至少一个，监测燃气涡轮发动机的潜在喘振状况，控制来自压缩机的排出流 的热气路径，以便绕过燃烧器的至少一部分。