Containment structure
AssigneeROLLS-ROYCE plc
InventorNeil D. Armstrong
Life of this patent
Estimating the term…
Abstract
A ducted fan gas turbine engine is provided with a fan casing provided with a portion adapted to provide fan blade containment in the event of fan blade failure. The containment portion comprises three layers: a wall adjacent the fan blades, a plurality off metallic tubes attached to the radially outer surface of the wall and a layer of strong woven fibrous containment material surrounding the metallic tubes.
Claims5
A containment structure comprising a wall positioned adjacent means which are to be contained, a layer adjacent said wall on the opposite side thereof to said means to be contained and comprising a plurality of deformable tubular members and a layer of strong woven fibrous containment material adjacent said layer of deformable tubular members, said containment structure constituting a part of a fan casing of a ducted fan gas turbine engine.
A containment structure comprising a wall positioned adjacent means which are to be contained, a layer adjacent said wall on the opposite side thereof to said means to be contained and comprising a plurality of deformable tubular members and a layer of strong, woven fibrous containment material adjacent said layer of deformable tubular members, said containment structure comprising an annular cross-section casing having a longitudinal axis, said tubular members being aligned so that their longitudinal axes are generally parallel with said longitudinal axis of said annular cross-section casing, said tubular members being arranged in groups so that their axes are aligned.
Dependencies are inferred from the claim text.