Patent ID: 11867402
Assignee: RTX CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A combustor liner, comprising:
a first portion extending in a substantially axial direction;
a second portion extending in the substantially axial direction, the first portion axially forward of the second portion;
a step connecting the first portion and the second portion, the step arranged at an angle to the second portion that is less than 90° such that the step slants axially forward from the second portion to the first portion, the step having a step height defined as a distance between the first portion and the second portion, wherein and the first portion, second portion, and step are formed as a unitary ceramic component, wherein the step joins to the first portion at a first fillet and joins to the second portion at a second fillet, the first and second fillets arranged on surfaces of the combustor liner configured to face into a combustion chamber;
a first slot extending through the step, and wherein a ratio of a height of the first slot to the step height is greater than 0.66; and
a second slot extending through the step, and wherein a ratio of a width of the first and second slots to a distance between the first and second slots is greater than 0.5.