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

Claim 4:
5. A gas turbine engine comprising:
a fan for delivering air into a bypass duct and for delivering air into a compressor section;
a combustor downstream of the compressor section and a turbine section downstream of the combustor section;
the fan, the compressor section and the turbine section each including a plurality of components having airfoils;
one type of said airfoils having a plurality of channels with
(i) a main body extending between a leading edge and a trailing edge, said main body forming a portion of one side of the airfoil and the entirety of an opposing side of the airfoil;
(ii) a cover secured to said main body about a perimeter by a weld, said cover extending across a majority of one side of the airfoil; and
(iii) a plurality of ribs extending from the cover in a direction toward the main body to define the channels said ribs being secured to an inner surface of the main body by an adhesive; and wherein said main body has enlarged bosses, and said ribs have a thin portion extending into a cavity formed in said bosses, with the adhesive deposited in said cavity.