Patent ID: 11952911
Assignee: RTX CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  B  Y | IPC F

Claim 20:
21. A gas turbine engine comprising:
a compressor section;
a combustor in fluid communication with the compressor section; and
a turbine section in fluid communication with the combustor,
the turbine section having an airfoil that includes
an airfoil wall defining a leading end, a trailing end, a first side wall, and a second side wall, and
first and second ribs each connecting the first and second side walls of the airfoil wall, each of the first and second ribs including
a first arm by which the respective first or second rib is solely joined to one of the first or second side walls, and
second and third arms by which the respective first or second rib is solely connected to the other of the first or second side wall, the second and third arms defining shoulders such that a portion of the rib formed by the second and third arms is U-shaped.