公开(公告)号：US20170159477A1

公开(公告)日：2017-06-08

申请号：US14960961

申请日：2015-12-07

Applicant: General Electric Company

Inventor： Steven Sebastian Burdgick ,  James Royce Howes ,  Sean Christopher Morrissey ,  Xiaoqing Zheng

IPC: F01D11/00 ,  F01D25/24 ,  F01D5/02

CPC classification number: F16J15/3268 ,  F01D5/3038 ,  F01D11/001 ,  F05D2220/31 ,  F05D2260/36 ,  F16J15/4472

Abstract: Various embodiments include a rotor key member, along with a related assembly and steam turbine. Particular embodiments include a rotor key member for radially retaining a circumferential seal in a steam turbine rotor body, the rotor key member including: a main body sized to contact an axial face of the circumferential seal; and a hook extending from the main body in a direction axially away from the circumferential seal, the hook sized to substantially complement a corresponding shelf in the steam turbine rotor body to restrict movement of the circumferential seal relative to the steam turbine rotor body.

公开(公告)号：US10047865B2

公开(公告)日：2018-08-14

申请号：US14960961

申请日：2015-12-07

Applicant: General Electric Company

Inventor： Steven Sebastian Burdgick ,  James Royce Howes ,  Sean Christopher Morrissey ,  Xiaoqing Zheng

IPC: F01D11/00 ,  F01D5/02 ,  F16B3/04 ,  F01D11/02 ,  F16J15/3268 ,  F16J15/447 ,  F01D5/30

Abstract: Various embodiments include a rotor key member, along with a related assembly and steam turbine. Particular embodiments include a rotor key member for radially retaining a circumferential seal in a steam turbine rotor body, the rotor key member including: a main body sized to contact an axial face of the circumferential seal; and a hook extending from the main body in a direction axially away from the circumferential seal, the hook sized to substantially complement a corresponding shelf in the steam turbine rotor body to restrict movement of the circumferential seal relative to the steam turbine rotor body.