Patent ID: 8726669

Claim:
A combustor dome assembly comprising: an annular dome plate with opposed upstream and downstream faces and having an aperture formed therein; a deflector having a body and a tube section extending axially therefrom, the deflector disposed adjacent the downstream face, and fixedly attached to the dome plate with the tube section received in the aperture; a retainer having an annular body with a central opening therein, an annular flange extending axially from a perimeter of the central opening, and at least one hook extending away from the body so as to define a slot, the retainer being disposed adjacent the upstream face of the dome plate, and fixedly attached to the dome plate with the flange received in the aperture; and an annular mixer including a radial array of swirl vanes and an annular mounting flange, with a retention tab extending radially outward from the mounting flange, the mixer disposed adjacent the upstream face with the mounting flange against the retainer, and a portion thereof received in the aperture, wherein the retention tab is engaged in the slot so as to prevent axial withdrawal of the mixer from the retainer.