The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 04, 2017

Filed:

Oct. 29, 2013
Applicants:

General Electric Company, Schenectady, NY (US);

Exxonmobil Upstream Research Company, Houston, TX (US);

Inventors:

Pramod K. Biyani, Greer, SC (US);

Scott Walter Leyers, Simpsonville, SC (US);

Carlos Miguel Miranda, Greer, SC (US);

Assignees:

General Electric Company, Schenectady, NY (US);

ExxonMobil Upstream Research Company, Spring, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 25/14 (2006.01); F02C 3/34 (2006.01); F01D 25/30 (2006.01); F02C 7/18 (2006.01); F02M 26/22 (2016.01);
U.S. Cl.
CPC ...
F01D 25/14 (2013.01); F01D 25/30 (2013.01); F02C 3/34 (2013.01); F02C 7/18 (2013.01); F02M 26/22 (2016.02); Y02E 20/16 (2013.01); Y02T 50/675 (2013.01);
Abstract

A system includes a gas turbine engine that includes a combustor section having one or more combustors configured to generate combustion products, a turbine section having one or more turbine stages between an upstream end and a downstream end, an exhaust section disposed downstream from the downstream end of the turbine section, and a fluid supply system coupled to the exhaust section. The one or more turbine stages are driven by the combustion products. The exhaust section has an exhaust passage configured to receive the combustion products as an exhaust gas. The fluid supply system is configured to route a cooling gas to the exhaust section. The cooling gas has a temperature lower than the exhaust gas. The cooling gas includes an extracted exhaust gas, a gas separated from the extracted exhaust gas, carbon dioxide, carbon monoxide, nitrogen oxides, or a combination thereof.


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