公开(公告)号：US20150247415A1

公开(公告)日：2015-09-03

申请号：US14193077

申请日：2014-02-28

Applicant: General Electric Company

Inventor： Deepak Trivedi ,  Norman Arnold Turnquist ,  Xiaoqing Zheng ,  Murat Inalpolat

IPC: F01D11/22 ,  F01D25/16 ,  F16C41/00

CPC classification number: F01D11/22 ,  F01D3/00 ,  F01D17/26 ,  F01D21/08 ,  F01D25/16 ,  F16C17/04 ,  F16C41/004 ,  F16C2360/23

Abstract: An actuation system to control clearance in a turbomachine including a shaft bearing including at least one axially displaceable thrust bearing. The axially displaceable thrust bearing configured to axially displace a rotating component relative to a stationary component to control the clearance therebetween. The system further including a plurality of actuators coupled to the at least one axially displaceable thrust bearing and configured to actuate the at least one axially displaceable thrust bearing to control the clearance. The plurality of actuators is configured to deactivate a diametrically opposed actuator in the event of an actuator failure to maintain zero moment. In a topography network, each diametrically opposed actuator pair is coupled to a single control line. In an alternate topography network, alternating actuators are coupled to a single control line. In addition, a method of actuating a thrust bearing to control clearance in a turbomachine is disclosed.

Abstract translation: 一种用于控制涡轮机中的间隙的致动系统，包括具有至少一个可轴向移动的推力轴承的轴承座。 轴向移动推力轴承构造成相对于静止部件轴向移动旋转部件以控制它们之间的间隙。 所述系统还包括耦合到所述至少一个可轴向移动的推力轴承并被构造成致动所述至少一个可轴向移动的止推轴承以控制所述间隙的多个致动器。 多个致动器构造成在执行器失效以保持零时刻的情况下停用直径相对的致动器。 在地形网络中，每个直径相对的致动器对耦合到单个控制线。 在替代的地形网络中，交替的致动器耦合到单个控制线。 此外，公开了一种致动推力轴承以控制涡轮机中的间隙的方法。

公开(公告)号：US09593589B2

公开(公告)日：2017-03-14

申请号：US14193077

申请日：2014-02-28

Applicant: General Electric Company

Inventor： Deepak Trivedi ,  Norman Arnold Turnquist ,  Xiaoqing Zheng ,  Murat Inalpolat

IPC: F01D11/22 ,  F01D25/16 ,  F16C41/00 ,  F01D21/08 ,  F16C17/04

CPC classification number: F01D11/22 ,  F01D3/00 ,  F01D17/26 ,  F01D21/08 ,  F01D25/16 ,  F16C17/04 ,  F16C41/004 ,  F16C2360/23

Abstract: An actuation system to control clearance in a turbomachine including a shaft bearing including at least one axially displaceable thrust bearing. The axially displaceable thrust bearing configured to axially displace a rotating component relative to a stationary component to control the clearance therebetween. The system further including a plurality of actuators coupled to the at least one axially displaceable thrust bearing and configured to actuate the at least one axially displaceable thrust bearing to control the clearance. The plurality of actuators is configured to deactivate a diametrically opposed actuator in the event of an actuator failure to maintain zero moment. In a topography network, each diametrically opposed actuator pair is coupled to a single control line. In an alternate topography network, alternating actuators are coupled to a single control line. In addition, a method of actuating a thrust bearing to control clearance in a turbomachine is disclosed.

Abstract translation: 一种用于控制涡轮机中的间隙的致动系统，包括具有至少一个可轴向移动的推力轴承的轴承座。 轴向移动推力轴承构造成相对于静止部件轴向移动旋转部件以控制它们之间的间隙。 所述系统还包括耦合到所述至少一个可轴向移动的推力轴承并被构造成致动所述至少一个可轴向移动的止推轴承以控制所述间隙的多个致动器。 多个致动器构造成在执行器失效以保持零时刻的情况下停用直径相对的致动器。 在地形网络中，每个直径相对的致动器对耦合到单个控制线。 在替代的地形网络中，交替的致动器耦合到单个控制线。 此外，公开了一种致动推力轴承以控制涡轮机中的间隙的方法。

公开(公告)号：US20150169811A1

公开(公告)日：2015-06-18

申请号：US14132313

申请日：2013-12-18

Applicant: General Electric Company

Inventor： Norman Arnold Turnquist ,  Changjie Sun ,  Deepak Trivedi ,  Jaydeep Roy ,  Emad Andarawis Andarawis ,  Murat Inalpolat ,  Arun Karthi Subramaniyan ,  Fernando Javier D'Amato ,  Emrah Biyik

IPC: G06F17/50

CPC classification number: G06F17/5018

Abstract: A method implemented using at least one processor includes receiving a plurality of measured operational parameters of a turbo machine having a rotor and a stator. The plurality of measured operational parameters includes a plurality of real-time operational parameters and a plurality of stored operational parameters. The method further includes generating a finite element model of the turbo machine and generating a plurality of snapshots based on the finite element model and the plurality of stored operational parameters. The method further includes generating a reduced order model based on the plurality of snapshots. The method also includes determining an estimated clearance between the rotor and the stator during operation of the turbo machine, based on the reduced order model and the plurality of real-time operational parameters.

Abstract translation: 使用至少一个处理器实现的方法包括接收具有转子和定子的涡轮机的多个测量的操作参数。 多个测量的操作参数包括多个实时操作参数和多个存储的操作参数。 该方法还包括生成涡轮机的有限元模型，并且基于有限元模型和多个存储的操作参数生成多个快照。 该方法还包括基于多个快照生成缩减订单模型。 所述方法还包括基于所述降序模型和所述多个实时操作参数来确定所述涡轮机的操作期间所述转子和所述定子之间的估计间隙。