Patent ID: 11867084
Assignee: RTX CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 10:
11. A method of forming a hollow airfoil comprising the steps of:
1) forming a cover and rib subassembly having at least a plurality of ribs extending from the cover in a first direction;
2) depositing adhesive on an inner surface of a main body;
3) moving the subassembly such that the ribs move into contact with the adhesive to be secured to the main body; and
4) welding around a periphery of the cover to secure it to the main body after step 3); and wherein the main body includes enlarged bosses with a cavities receiving adhesive, and the ribs have a relatively thin portion moved into the cavity in step 3).