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:
Mar. 29, 2016

Filed:

Nov. 23, 2011
Applicants:

Alston I. Scipio, Atlanta, GA (US);

Thomas John Freeman, Atlanta, GA (US);

Ryan Eric Obenhoff, Atlanta, GA (US);

Sanji Ekanayake, Atlanta, GA (US);

Michael Anthony Cocca, Atlanta, GA (US);

Mike Yarnold, Atlanta, GA (US);

Douglas Corbin Warwick, Atlanta, GA (US);

Joseph Klosinski, Atlanta, GA (US);

Inventors:

Alston I. Scipio, Atlanta, GA (US);

Thomas John Freeman, Atlanta, GA (US);

Ryan Eric Obenhoff, Atlanta, GA (US);

Sanji Ekanayake, Atlanta, GA (US);

Michael Anthony Cocca, Atlanta, GA (US);

Mike Yarnold, Atlanta, GA (US);

Douglas Corbin Warwick, Atlanta, GA (US);

Joseph Klosinski, Atlanta, GA (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02C 1/00 (2006.01); F02C 9/22 (2006.01); F02C 9/26 (2006.01); F02C 9/28 (2006.01); F23R 3/26 (2006.01);
U.S. Cl.
CPC ...
F02C 9/22 (2013.01); F02C 9/26 (2013.01); F02C 9/28 (2013.01); F23R 3/26 (2013.01); Y02E 20/14 (2013.01); Y02E 20/16 (2013.01); Y02E 20/18 (2013.01);
Abstract

A gas turbine system includes a compressor protection subsystem; a hibernation mode subsystem; and a control subsystem that controls the compressor subsystem and the hibernation subsystem. At partial loads on the turbine system, the compressor protection subsystem maintains an air flow through a compressor at an airflow coefficient for the partial load above a minimum flow rate coefficient where aeromechanical stresses occur in the compressor. The air fuel ratio in a combustor is maintained where exhaust gas emission components from the turbine are maintained below a predetermined component emission level while operating at partial loads.


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