Coaxial fuel and air premixer for a gas turbine combustor

Patent · Tue May 21 04:00:00 EDT 2013

OSTI ID:1084048

York, William D; Ziminsky, Willy S; Lacy, Benjamin P

An air/fuel premixer comprising a peripheral wall defining a mixing chamber, a nozzle disposed at least partially within the peripheral wall comprising an outer annular wall spaced from the peripheral wall so as to define an outer air passage between the peripheral wall and the outer annular wall, an inner annular wall disposed at least partially within and spaced from the outer annular wall, so as to define an inner air passage, and at least one fuel gas annulus between the outer annular wall and the inner annular wall, the at least one fuel gas annulus defining at least one fuel gas passage, at least one air inlet for introducing air through the inner air passage and the outer air passage to the mixing chamber, and at least one fuel inlet for injecting fuel through the fuel gas passage to the mixing chamber to form an air/fuel mixture.

• Research Organization: General Electric Company (Schenectady, NY)
• Sponsoring Organization: USDOE
• DOE Contract Number: FC26-05NT42643
• Assignee: General Electric Company (Schenectady, NY)
• Patent Number(s): 8,443,607
• Application Number: 12/389,994
• OSTI ID: 1084048
• Country of Publication: United States
• Language: English

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