Patent ID: 6314739
Filing Date: 2001-11-13
Classification: F01D,F02C,F23R

Abstract:
A dome assembly for a gas turbine engine combustor comprising:an annular combustor dome having a substantially conical dome plate;at least one circular opening in said dome plate;a seal plate flange having an aft facing surface and a central ring extending aftwardly from said seal plate flange;said central ring having a centerline axis is disposed through said circular opening;said central ring includes a central bore coaxially aligned with said circular opening;a baffle having a cylindrical tubular mounting portion extending upstream through said central bore and fixedly joined to said seal plate;said baffle having a flare portion extending aft from said seal plate flange;a carburetor including an air swirler having an annular exit cone;said exit cone disposed within said cylindrical tubular mounting portion, having an annular radially outwardly extending annular cone flange and an annular barrel extending aftwardly from said the cone flange, and a radially inwardly facing annular inner cone surface for channeling air thereover and downstream over said baffle flare portion; andan aft end of said central ring is joined to said dome plate by a swage joint.