Patent ID: 6910336
Filing Date: 2005-06-28
Classification: F23R

Abstract:
1. An attachment and sealing system for securing a combustor cap assembly to a combustion chamber, said attachment and sealing system comprising: a combustion chamber having a first generally annular wall and a plurality of first cooling holes located about said first generally annular wall; a combustor cap assembly having a forward end, an aft end, and a center axis, said combustor cap assembly located radially within said first generally annular wall, and comprising: a plurality of nozzle tubes, said nozzle tubes fixed to said dome plate at said plurality of openings, for receiving a plurality of fuel nozzles; a plurality of pins extending from radially outward of said combustion chamber, through said first generally annular wall, through said generally annular seal, and through said second generally annular wall such that said cap assembly is fixed to said combustion chamber; wherein said plurality of first cooling holes are located proximate said cap assembly aft end in order to direct a cooling medium towards said joint region.