Airfoil system with embedded electric device

Patent metadata

Field	Value
Publication number	US-12116121-B2
Application number	US-202117240129-A
Country	US
Kind code	B2
Filing date	Apr 26, 2021
Priority date	Apr 26, 2021
Publication date	Oct 15, 2024
Grant date	Oct 15, 2024

Abstract

An airfoil system is provided that includes an airfoil and an electric device. The airfoil includes a first exterior surface, a second exterior surface, a first airfoil segment and a second airfoil segment attached to the first airfoil segment. The airfoil extends widthwise between the first exterior surface and the second exterior surface. The first airfoil segment forms the first exterior surface. The second airfoil segment forms the second exterior surface. The electric device is embedded within the airfoil between the first airfoil segment and the second airfoil segment.

First claim

What is claimed is:

1. An airfoil system, comprising:
an airfoil comprising a first exterior surface, a second exterior surface, a first airfoil segment and a second airfoil segment attached to the first airfoil segment, the airfoil extending widthwise between the first exterior surface and the second exterior surface, the first airfoil segment forming the first exterior surface, and the second airfoil segment forming the second exterior surface; and
an electric device embedded within the airfoil between the first airfoil segment and the second airfoil segment, the electric device abutted widthwise against and attached to the first airfoil segment;
wherein the first airfoil segment includes
a first segment skin forming the first exterior surface;
a first segment leading edge support connected to the first segment skin with a first segment leading edge support channel extending widthwise between and formed by the first segment leading edge support and the first segment skin, wherein the first segment leading edge support is widthwise connected to the second airfoil segment;
a first segment trailing edge support connected to the first segment skin with a first segment trailing edge support channel extending widthwise between and formed by the first segment trailing edge support and the first segment skin, wherein the first segment trailing edge support is widthwise connected to the second airfoil segment; and
a first segment device mount extending lengthwise between and connected to the first segment leading edge support and the first segment trailing edge support with a gap widthwise between and formed by a first side of the first segment device mount and the first segment skin, wherein the electric device is abutted widthwise against and attached to a second side of the first segment device mount.

2. The airfoil system of claim 1 , wherein the electric device comprises an antenna.

3. The airfoil system of claim 1 , wherein the electric device comprises a sensor.

4. The airfoil system of claim 1 , wherein
the airfoil further comprises an internal cavity formed collectively by the first airfoil segment and the second airfoil segment; and
the electric device is located within the internal cavity.

5. The airfoil system of claim 4 , wherein
the internal cavity extends widthwise within the airfoil between a first cavity side and a second cavity side;
the first airfoil segment forms the first cavity side; and
the second airfoil segment forms the second cavity side.

6. The airfoil system of claim 4 , wherein
the internal cavity extends lengthwise within the airfoil between a cavity leading end and a cavity trailing end;
the first airfoil segment forms a first portion of the cavity leading end and a first portion of the cavity trailing end; and
the second airfoil segment forms a second portion of the cavity leading end and a second portion of the cavity trailing end.

7. The airfoil system of claim 4 , wherein
the internal cavity extends spanwise within the airfoil between a cavity base end and a cavity tip end;
the first airfoil segment forms a first portion of the cavity base end and a first portion of the cavity tip end; and
the second airfoil segment forms a second portion of the cavity base end and a second portion of the cavity tip end.

8. The airfoil system of claim 1 , wherein the electric device is further abutted widthwise against and attached to the second airfoil segment.

9. The airfoil system of claim 1 , wherein
the second airfoil segment comprises a second segment skin that forms the second exterior surface; and
the first segment skin and the second segment skin each comprises composite material.

10. The airfoil system of claim 1 , wherein
the second airfoil segment comprises a second segment skin and a second internal support formed integral with the second segment skin, and the second segment skin forms the second exterior surface; and
the second internal support attached to one of the first segment leading edge support or the first segment trailing edge support.

11. The airfoil system of claim 10 , wherein the second internal support is abutted against and bonded to the one of the first segment leading edge support or the first segment trailing edge support.

12. The airfoil system of claim 10 , wherein
the one of the first segment leading edge support or the first segment trailing edge support comprises a receptacle; and
the second internal support comprises a key that is mated with the receptacle.

13. The airfoil system of claim 1 , wherein
the airfoil comprises an airfoil body;
the first airfoil segment is a first half of the airfoil body; and
the second airfoil segment is a second half of the airfoil body.

14. The airfoil system of claim 1 , wherein
the airfoil further comprises a shield;
the shield is configured at and extends spanwise along a leading edge of the airfoil; and
the shield overlaps and is attached to a first leading edge portion of the first airfoil segment and a second leading edge portion of the second airfoil segment.

15. A manufacturing method, comprising:
forming a first airfoil segment as a first monolithic body;
forming a second airfoil segment as a second monolithic body;
attaching an electric device to the first airfoil segment after the forming of the first airfoil segment; and
attaching the second airfoil segment to the first airfoil segment to provide an airfoil body, wherein the electric device is embedded within the airfoil body between the first airfoil segment and the second airfoil segment, and wherein the second airfoil segment is attached to the first airfoil segment after the forming the first airfoil segment, after the forming of the second airfoil segment and after the attaching of the electric device to the first airfoil segment;
wherein the first airfoil segment includes
a first segment skin forming the first exterior surface;
a first segment leading edge support connected to the first segment skin with a first segment leading edge support channel extending widthwise between and formed by the first segment leading edge support and the first segment skin, wherein the first segment leading edge support is widthwise connected to the second airfoil segment;
a first segment trailing edge support connected to the first segment skin with a first segment trailing edge support channel extending widthwise between and formed by the first segment trailing edge support and the first segment skin, wherein the first segment trailing edge support is widthwise connected to the second airfoil segment; and
a first segment device mount extending lengthwise between and connected to the first segment leading edge support and the first segment trailing edge support with a gap widthwise between and formed by a first side of the first segment device mount and the first segment skin, wherein the electric device is abutted widthwise against and attached to a second side of the first segment device mount.

16. The manufacturing method of claim 15 , wherein the first airfoil segment and the second airfoil segment each comprise non-metallic material.

17. The manufacturing method of claim 15 , further comprising:
attaching a shield to the airfoil body to form a leading edge of an airfoil;
wherein the airfoil includes the airfoil body and the shield.

Assignees

• Rohr Inc

Inventors

• Lacko Anthony

Classifications

• B64C3/26 Primary

  Construction, shape, or attachment of separate skins, e.g. panels · CPC title

• B29C70/70

  Completely encapsulating inserts {(B29C70/86 takes precedence)} · CPC title

• B29C70/88

  characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced · CPC title

• B29D99/0028

  hollow blades · CPC title

• H01Q1/287

  integrated in a wing or a stabiliser · CPC title