Patent ID: 7152411

Claim:
A combustor comprising: an annular outer casing; an annular inner casing including first and second flanges at opposite ends with a header therebetween, said first flange having a first rabbet circumferentially therearound, and said second flange being fixedly supported from said outer casing; said header including a row of fuel injectors mounted through apertures therein; an annular inner shell including first and second flanges at opposite ends thereof with a dome therebetween, and a radially outer second rabbet around said first flange thereof, with said shell first flange being seated in said first rabbet; said dome including a row of air swirlers mounted in apertures therein and receiving in circumferential alignment corresponding ones of said fuel injectors; an annular inner combustion liner including first and second flanges at opposite ends, and said liner first flange being seated around said second rabbet; an annular outer combustor wall mounted to said shell second flange; and an annular inner retainer fixedly joined to said casing first flange to axially trap said shell first flange around said first rabbet.