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:
Sep. 06, 2016

Filed:

Mar. 15, 2013
Applicant:

General Electric Company, Schenectady, NY (US);

Inventors:

Lewis Berkley Davis, Jr., Niskayuna, NY (US);

Krishna Kumar Venkataraman, Simpsonville, SC (US);

Kaitlin Marie Graham, Greenville, SC (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23R 3/34 (2006.01); F23R 3/20 (2006.01); F23R 3/28 (2006.01);
U.S. Cl.
CPC ...
F23R 3/346 (2013.01); F23R 3/20 (2013.01); F23R 3/286 (2013.01);
Abstract

A gas turbine that includes: a combustor coupled to a turbine that together define an interior flowpath, the interior flowpath extending aftward about a longitudinal axis from a primary air and fuel injection system that defines a forward end, through an interface at which the combustor connects to the turbine, and through a row of stator blades in the turbine that defines an aft end; and a downstream injection system that includes two injection stages, a first stage and a second stage, that are axially spaced along the longitudinal axis of the interior flowpath. The first stage and the second stage each includes multiple injectors configured to inject an air and fuel mixture into the interior flowpath.


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