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Title: Variable volume combustor with center hub fuel staging

The present application and the resultant patent provide a combustor for use with a gas turbine engine. The combustor may include a number of micro-mixer fuel nozzles and a fuel injection system for providing a flow of fuel to the micro-mixer fuel nozzles. The fuel injection system may include a center hub for providing the flow of fuel therethrough. The center hub may include a first supply circuit for a first micro-mixer fuel nozzle and a second supply circuit for a second micro-mixer fuel nozzle.
Inventors:
; ; ;
Issue Date:
OSTI Identifier:
1303583
Assignee:
General Electric Company (Schenectady, NY) NETL
Patent Number(s):
9,422,867
Application Number:
13/760,099
Contract Number:
FC26-05NT42643
Resource Relation:
Patent File Date: 2013 Feb 06
Research Org:
General Electric Company, Schenectady, NY (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; 33 ADVANCED PROPULSION SYSTEMS

Other works cited in this record:

Variable Geometry Combustors
patent, June 1973

Variable Geometry Combustor Construction
patent, July 1973

Variable Geometry for Controlling the Flow of Air to a Combustor
patent, July 1973

Variable geometry swirler
patent, August 1977

Strut support apparatus
patent, December 1982

Traveling block elevator latch assembly
patent, November 1983

Actuation system for a variable geometry combustor
patent, February 1985

Gas turbine engine variable geometry combustor apparatus
patent, August 1985

Variable geometry combustor apparatus
patent, October 1985

Variable geometry combustor apparatus and associated methods
patent, February 1986

Bracket assembly for geodesic dome
patent, July 1989

Quill feed and spindle drive assembly
patent, March 1993

Air staged premixed dry low NO.sub.x combustor
patent, June 1994

Variable area bypass injector
patent, September 1994

Method of dynamically supporting a drill quill in a drill/rivet machine
patent, April 1995

Cyclonic prechamber with a centerbody for a gas turbine engine combustor
patent, July 1996

Method for staging fuel in a turbine in the premixed operating mode
patent, September 1996

Variable geometry air-fuel injector
patent, September 1997

Method and device for supplying a gaseous fuel to a premixing burner
patent, April 1999

Combustor for gas turbine engine
patent, July 2002

Combustion cap with integral air diffuser and related method
patent, August 2002

Fuel-air premixing system for a catalytic combustor
patent, August 2006

Variable geometry combustor
patent, March 2009

System for damping thermo-acoustic instability in a combustor device for a gas turbine
patent, February 2010

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