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US 11,231,046 B2Granted
Aluminum airfoil
AssigneeRaytheon Technologies Corporation
InventorsThomas J. Watson, Daniel A. Bales
Life of this patent
Estimating the term…
Abstract
An airfoil includes a first airfoil piece and a second airfoil piece that is bonded to the first airfoil piece at a joint. The first airfoil piece and the second airfoil piece are formed of aluminum alloys. At least one of the aluminum alloys is an aluminum alloy composition that has greater than 0.8% by weight of zinc. The joint includes a braze element of magnesium, zinc, or combinations thereof in a higher concentration than in other portions of the first airfoil piece and the second airfoil piece.
Claims20
An airfoil comprising:
- a first airfoil piece;
- and
- a second airfoil piece bonded to the first airfoil piece at a joint,
- the first airfoil piece and the second airfoil piece being formed of aluminum alloys,
- at least one of the aluminum alloys is an aluminum alloy composition comprising greater than 0.8% by weight of zinc, and
- the joint includes a braze element comprising magnesium, zinc, or combinations thereof in a higher concentration than in other portions of the first airfoil piece and the second airfoil piece.
3 more elements
An airfoil comprising:
- a first airfoil piece;
- a second airfoil piece adjacent the first airfoil piece, the first airfoil piece and the second airfoil piece being formed of aluminum alloys, and at least one of the aluminum alloys is an aluminum alloy composition comprising greater than 0.8% by weight of zinc;
- and
- a braze material between the first airfoil piece and the second airfoil piece, the braze material having a composition comprising magnesium, zinc, or combinations thereof.
1 more element
Dependencies are inferred from the claim text.