Single shaft combined cycle power plant shaft arrangement

Patent metadata

Field	Value
Publication number	US-10544706-B2
Application number	US-201615019509-A
Country	US
Kind code	B2
Filing date	Feb 9, 2016
Priority date	Feb 10, 2015
Publication date	Jan 28, 2020
Grant date	Jan 28, 2020

Abstract

A single shaft combined cycle power plant includes a shaft on which is sequentially located, a gas turbine, a medium pressure steam turbine, a low pressure steam turbine, a generator, and a high pressure steam turbine, wherein the gas turbine and the high pressure steam turbine are at opposite ends of the shaft.

First claim

The invention claimed is:

1. A single shaft combined cycle power plant comprising a shaft on which is sequentially located:
a gas turbine;
a first thrust bearing;
a medium pressure steam turbine;
a low pressure steam turbine;
a generator;
a flexible coupling;
a second thrust bearing;
and a high pressure steam turbine;
wherein the gas turbine and the high pressure steam turbine are at opposite ends of the shaft.

Assignees

• General Electric Technology Gmbh

Inventors

• Herzog Maurus
• Kujawski Hubert
• Gupta Abhimanyu
• Ray Suman

Classifications

• F02C6/00 Primary

  Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use · CPC title

• F01K23/10

  with exhaust fluid of one cycle heating the fluid in another cycle (F01K17/025 takes precedence) · CPC title

• F01K23/16 Primary

  all the engines being turbines (F01K23/14 takes precedence) · CPC title

• Y02E20/16

  Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT] · CPC title

• F22B1/1815

  using the exhaust gases of gas-turbines · CPC title