Power plants – Combustion products used as motive fluid – Combustion products generator
Reexamination Certificate
2006-11-07
2006-11-07
Gartenberg, Ehud (Department: 3749)
Power plants
Combustion products used as motive fluid
Combustion products generator
Reexamination Certificate
active
07131273
ABSTRACT:
A gas turbine engine combustor carburetor includes forward and aft air swirlers. The aft swirler has a septum defining a primary venturi and a plurality of circumferentially spaced aft swirl vanes. The forward swirler has a plurality of circumferentially spaced forward swirl vanes extending forwardly from a flat annular radial flange of the forward swirler, an annular wall extending forwardly from a forward face of the septum and radially bounding an annular recess on the forward face, and the radial flange slidably retained within the annular recess and against the septum by a flat retainer attached to the annular wall of the septum. The flat retainer may be produced by stamping. An anti-rotation tab on the radial flange of the forward swirler extends radially through a corresponding notch in the annular wall.
REFERENCES:
patent: 5117637 (1992-06-01), Howell et al.
patent: 6314739 (2001-11-01), Howell et al.
patent: 2005/0044854 (2005-03-01), Cazalens et al.
patent: 2006/0042268 (2006-03-01), Markarian et al.
Caiulo Jennifer
Carita Robert Gregory
Howell Stephen John
Andes William Scott
Gartenberg Ehud
General Electric Company
Rosen Steven J.
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