Patent ID: 11971172
Assignee: GENERAL ELECTRIC COMPANY
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A premixer assembly for a combustor having a centerline axis, the premixer assembly extending in a radial direction from an outboard end to an inboard end with respect to the centerline axis, comprising:
a ring of outer premixers and a ring of inner premixers, each of the outer premixers and each of the inner premixers having:
a central axis;
a peripheral wall surrounding a centerbody, the peripheral wall having an inner wall portion and an outer wall portion with respect to the centerline axis and defining an inlet area of the premixer; and
at least one swirler disposed between the centerbody and the peripheral wall,
wherein each outer premixer of the ring of outer premixers has an outer premixer outboard lip extending forward along the central axis and radially inboard from the respective outer wall portion, and
wherein each inner premixer of the ring of inner premixers has an inner premixer inboard lip extending forward along the central axis and radially outboard from the respective inner wall portion.