IP Library Granted Patent US 11,028,725
Granted Patent B2
US 11,028,725 · App. 16/219,240 · Granted Jun 8, 2021

Adaptive morphing engine geometry

Inventors: Zaffir A. Chaudhry (South Glastonbury, CT); Andrzej Ernest Kuczek (Bristol, CT); Dilip Prasad (North Granby, CT)
Assignee: Raytheon Technologies Corporation
F01D17/12F05D2240/12
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Quick Facts
Patent No.
US 11,028,725
App. No.
16/219,240
Granted
Jun 8, 2021
Kind
B2
Abstract

A morphing aerodynamic control surface geometry comprising a control surface having an articulated portion comprising a flexible skin coupled at an exterior of the articulated portion, the flexible skin comprising opposed interlocking elements sandwiched within a flexible polymer coupled to the interlocking elements; wherein the flexible skin is configured compliant responsive to an articulation of the articulated portion.

Claims (24)

1. A morphing aerodynamic control surface geometry comprising:

a control surface having an articulated portion comprising a flexible skin coupled at an exterior of said articulated portion, said flexible skin comprising opposed interlocking elements sandwiched within a flexible polymer coupled to said interlocking elements; wherein said flexible skin is configured compliant responsive to an articulation of said articulated portion; said interlocking elements comprise at least one upper element and at least one lower element opposite said at least one upper element; said at least one upper element comprises an upper element exterior surface and an upper element interior surface having a feature opposite said upper element exterior surface; said at least one lower element comprises a lower element exterior surface and a lower element interior surface with a feature opposite said lower element exterior surface; said upper element interior feature configured to interlock with a lower element interior feature; said upper element interior feature comprises a peg extending out of a portion of said upper element interior surface and said lower element interior feature comprises a receiver formed in said lower element interior surface.

2. The morphing aerodynamic control surface geometry according to claim 1 , wherein said articulated portion is part of a gas turbine engine component selected from the group consisting of a variable geometry splitter, gas flow path, a static engine component, a variable inlet guide vane and an adaptive flap.

3. The morphing aerodynamic control surface geometry according to claim 1 , wherein said flexible polymer surrounding said interlocking elements comprises a high temperature polymer volcanized to said interlocking elements.

4. The morphing aerodynamic control surface geometry according to claim 1 , wherein said flexible polymer comprises a lower stiffness than said interlocking elements.

5. The morphing aerodynamic control surface geometry according to claim 1 , wherein said interlocking elements are configured to interlock with a predetermined limit to slide and rotate relative to each other and maintain contact.

6. The morphing aerodynamic control surface geometry according to claim 1 , wherein said control surface is configured to articulate into a curved surface configured to produce an aerodynamic effect on a gas passing over said control surface.

7. The morphing aerodynamic control surface geometry according to claim 1 , wherein said interlocking elements sandwiched within said flexible polymer are configured in a mosaic pattern.

8. The morphing aerodynamic control surface geometry according to claim 1 , wherein said interlocking elements comprise at least one of a metal material and a ceramic composite material.

9. The morphing aerodynamic control surface geometry according to claim 1 , wherein said interlocking elements sandwiched within said flexible polymer are configured in a spaced apart pattern.

10. The morphing aerodynamic control surface geometry according to claim 1 , wherein said interlocking elements sandwiched within said flexible polymer comprise a smooth exterior surface.

11. The morphing aerodynamic control surface geometry according to claim 1 , wherein said interlocking elements are bonded together by said flexible polymer.

12. The morphing aerodynamic control surface geometry according to claim 1 , wherein said interlocking elements sandwiched within said flexible polymer comprise polygonal shapes.

13. The morphing aerodynamic control surface geometry according to claim 1 , wherein said interlocking elements sandwiched within said flexible polymer are formed in multiple layers.

14. A morphing aerodynamic control surface geometry comprising:

a control surface having an articulated portion comprising a flexible skin coupled at an exterior of said articulated portion, said flexible skin comprising opposed interlocking elements sandwiched within a flexible polymer coupled to said interlocking elements; said flexible skin is configured compliant responsive to an articulation of said articulated portion; said interlocking elements comprise at least one upper element and at least one lower element opposite said at least one upper element; said at least one upper element comprises an upper element exterior surface and an upper element interior feature opposite said upper element exterior surface; said at least one lower element comprises a lower element exterior surface and a lower element interior feature opposite said lower element exterior surface; said upper element interior feature configured to interlock with the lower element interior feature; said upper element interior feature and said lower element interior feature comprises inverted edges along a portion of said upper element and said lower element respectively; said inverted edges comprise corners bend into flat hooks facing said interior surface for each of said upper element and said lower element.

15. The morphing aerodynamic control surface geometry according to claim 14 , wherein said inverted edges of said upper element and said inverted edges of said lower element interlock at said corners.

16. The morphing aerodynamic control surface geometry according to claim 14 , wherein said interlocking elements sandwiched within said flexible polymer are configured in a mosaic pattern.

17. The morphing aerodynamic control surface geometry according to claim 14 , wherein said interlocking elements comprise at least one of a metal material and a ceramic composite material.

18. The morphing aerodynamic control surface geometry according to claim 14 , wherein said interlocking elements sandwiched within said flexible polymer are configured in a spaced apart pattern.

19. The morphing aerodynamic control surface geometry according to claim 14 , wherein said interlocking elements sandwiched within said flexible polymer comprise a smooth exterior surface.

20. The morphing aerodynamic control surface geometry according to claim 14 , wherein said interlocking elements are bonded together by said flexible polymer.

21. The morphing aerodynamic control surface geometry according to claim 14 , wherein said interlocking elements sandwiched within said flexible polymer comprise polygonal shapes.

22. The morphing aerodynamic control surface geometry according to claim 14 , wherein said interlocking elements sandwiched within said flexible polymer are formed in multiple layers.

Assignments (4)
CHANGE OF NAME Recorded Jul 27, 2023
From: RAYTHEON TECHNOLOGIES CORPORATION
To: RTX CORPORATION
Reel/Frame 064714/0001 →
CORRECTIVE ASSIGNMENT TO CORRECT THE AND REMOVE PATENT APPLICATION NUMBER 11886281 AND ADD PATENT APPLICATION NUMBER 14846874. TO CORRECT THE RECEIVING PARTY ADDRESS PREVIOUSLY RECORDED AT REEL: 054062 FRAME: 0001. ASSIGNOR(S) HEREBY CONFIRMS THE CHANGE OF ADDRESS. Recorded Mar 4, 2021
From: UNITED TECHNOLOGIES CORPORATION
To: RAYTHEON TECHNOLOGIES CORPORATION
Reel/Frame 055659/0001 →
CHANGE OF NAME Recorded Sep 4, 2020
From: UNITED TECHNOLOGIES CORPORATION
To: RAYTHEON TECHNOLOGIES CORPORATION
Reel/Frame 054062/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 13, 2018
From: CHAUDHRY, ZAFFIR A.; KUCZEK, ANDRZEJ ERNEST; PRASAD, DILIP
To: UNITED TECHNOLOGIES CORPORATION
Reel/Frame 047769/0626 →
Continuity (1)
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