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US 6,004,101 AGranted
Reinforced aluminum fan blade
AssigneeGeneral Electric Company
InventorsJan C. Schilling, Joseph J. Jackson, Bruce C. Busbey
Life of this patent
Estimating the term…
Abstract
A gas turbine engine fan blade includes an airfoil and dovetail having an integral aluminum core and a fatigue resistant reinforcing sheath.
Claims17
A gas turbine engine fan blade comprising:
- an airfoil and dovetail having an integral one-piece aluminum core;
- and
- a reinforcing sheath extending between said airfoil and dovetail and bonded thereto.
A gas turbine engine fan blade comprising:
- an airfoil and a dovetail having an integral aluminum core;
- said airfoil including opposite pressure and suction sides, a root at said dovetail, and an opposite tip;
- a reinforcing sheath bonded to said core along both said pressure and suction sides from said dovetail toward said tip, with a greater extent on said pressure side than said suction side, and including a pair of tangs defining said dovetail for mounting said blade to a rotor disk.
A gas turbine engine fan blade comprising:
- an airfoil and a dovetail having an integral aluminum core;
- said airfoil including opposite pressure and suction sides, opposite leading and trailing edges, a root at said dovetail, and an opposite tip;
- a reinforcing sheath bonded to said core along both said pressure and suction sides from said dovetail toward said tip, with a greater extent along said leading and trailing edges than therebetween, and including a pair of tangs defining said dovetail for mounting said blade to a rotor disk.
A gas turbine engine fan blade comprising a monolithic aluminum core defining an airfoil, and a reinforcing sheath diffusion bonded at one end of said core for defining a dovetail.
Dependencies are inferred from the claim text.