Patent ID: 11965429
Assignee: GE INFRASTRUCTURE TECHNOLOGY LLC
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 13:
14. A turbomachine component, comprising:
a wall including a wall outer surface and an internal coolant source;
a film-cooling hole in the wall and extending from the internal coolant source to the wall outer surface, the film-cooling hole including:
a metering section in fluid communication with the internal coolant source;
a diffuser section in fluid communication with the metering section and including a first internal surface spaced from a second internal surface and including a coating collector, the diffuser section having a larger cross-sectional area than the metering section; and
a hood section including a member extending outwardly from the wall outer surface, the member including a hood outer surface parallel to the wall outer surface and a hood back surface connecting the hood outer surface and the wall outer surface; and
a coating on the wall outer surface, on the hood back surface, and in the coating collector, wherein the hood outer surface extends through the coating.