Patent ID: 11885236
Assignee: GENERAL ELECTRIC COMPANY
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 10:
11. An airfoil for a turbine engine, comprising:
an outer wall bounding an interior;
a tip rail projecting from the outer wall;
a cooling conduit located within the interior; and
a three-dimensional plexus of fluidly interconnected cooling passages located within the interior, the three-dimensional plexus comprising:
an impingement zone fluidly coupled to the cooling conduit;
a lattice portion fluidly serially coupled to the impingement zone, with the lattice portion located at least partially within the tip rail; and
a set of elongated ejection holes serially extending from the lattice portion to at least one outlet on the tip rail.