Patent ID: 11959390
Assignee: PRATT & WHITNEY CANADA CORP.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. An assembly for a gas turbine engine, comprising:
a bladed rotor rotatable about an axis; and
an engine case including an outer duct wall, a first circumferential stiffener, a second circumferential stiffener and a plurality of axial stiffeners, the outer duct wall forming a shroud around the bladed rotor, the first circumferential stiffener extending circumferentially about the outer duct wall, the second circumferential stiffener extending circumferentially about the outer duct wall, the plurality of axial stiffeners arranged circumferentially about the outer duct wall, and each of the plurality of axial stiffeners extending axially between the first circumferential stiffener and the second circumferential stiffener.