General Electric Company

Tai Joung Kim

Sanjay Chopra

Xiaoqing Zheng

Thomas Joseph Farineau

Nestor Hernandez Sanchez

Jason Paul Mortzheim

Timothy Scott McMurray

Richard James Miller

Michael Joseph Boss

Howard Michael Brilliant

John Thomas Basirico

Embodiments of the invention relate generally to rotor cooling and, more particularly, to a stator member having at least one passage for the delivery of cooling steam to a bucket root. In one embodiment, the invention provides a turbine comprising: a rotor including a first bucket root; and a stator member having: a rotor bore within which at least a portion of the rotor is disposed; a facing end adjacent to the first bucket root of the rotor; a plurality of seals within the rotor bore for sealing against the rotor, the plurality of seals including a first seal nearest the facing end and a second seal adjacent to the first seal; and a plurality of passages, each extending from a surface of the rotor bore at a point between the first seal and the second seal and extending through the facing end.

Rotor cooling

A bucket assembly includes a plurality of first buckets, and a pair of transition buckets. Each first bucket includes a bucket cover including a pair of lateral edges each having a first configuration. Each transition bucket includes a transition cover including a first lateral edge having the first configuration and a second lateral edge having a second configuration.

Integral cover bucket assembly

The present application provides a steam turbine driven by a flow of steam. The steam turbine may include a rotor, a number of nozzles positioned about the rotor, and a number of nozzle diaphragms. One or more of the nozzle diaphragms may include an inducer.

Nozzle diaphragm inducer

Growing community of inventors

Glenville, NY, United States of America

Tai Joung Kim