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US 8,123,487 B2Granted
Rotor for a turbo engine
AssigneeMTU Aero Engines AG
InventorsErwin Bayer, Bertram Kopperger
Life of this patent
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Abstract
A rotor for a turbo engine is disclosed including a rotor base body and a plurality of rotor blades distributed over the circumference of the rotor base body. The rotor base body is formed by at least one ring-shaped element made of a metal matrix composite material. The rotor blades are attached by footing to the rotor base body in such a way that the footing is positioned in a fiber-free area of the rotor base body.
Claims2
A rotor for a turbo engine, comprising:
- a rotor base body, wherein the rotor base body includes a fiber-reinforced area and a fiber-free area;
- and
- a rotor blade with a footing;
- wherein the footing is positioned in the rotor base body in the fiber-free area;
- wherein the rotor base body includes a ring-shaped element and wherein the ring-shaped element includes the fiber-reinforced area and the fiber-free area;
- wherein the ring-shaped element includes a second fiber-reinforced area and wherein the fiber-free area is disposed between the fiber-reinforced area and the second fiber-reinforced area;
- and wherein the fiber-free area defines a borehole and wherein the footing is positioned in the borehole.
4 more elements
Dependencies are inferred from the claim text.