IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0493915
(2012-06-11)
|
등록번호 |
US-9038963
(2015-05-26)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
60 |
초록
▼
The spiroid wing tip according to embodiments of the invention including a continuous segmental assembly having a closed loop frontal profile comprising a lower near vertical segment, a horizontal segment, a vertical segment, a second horizontal upper segment, and a near vertical segment. Accordingl
The spiroid wing tip according to embodiments of the invention including a continuous segmental assembly having a closed loop frontal profile comprising a lower near vertical segment, a horizontal segment, a vertical segment, a second horizontal upper segment, and a near vertical segment. Accordingly to some embodiments of the invention, the spiroid profile is lowered with respect to the wing chord plane, such that a portion of the spiroid wing tip extends below the wing chord plane.
대표청구항
▼
1. A spiroid wing tip, comprising: an originating section and a terminating section of an enclosed loop forming a wing tip attachment end designed for attachment to an end of a wing such that a leading edge and a trailing edge of the wing tip attachment end are continuous extensions of a leading edg
1. A spiroid wing tip, comprising: an originating section and a terminating section of an enclosed loop forming a wing tip attachment end designed for attachment to an end of a wing such that a leading edge and a trailing edge of the wing tip attachment end are continuous extensions of a leading edge and a trailing edge of the wing, respectively; andan intermediate section between the originating section and the terminating section, the intermediate section traversing a chord wise plane of the wing tip attachment end, the intermediate section swept rearward with respect to the trailing edge of the wing tip attachment end. 2. The spiroid wing tip of claim 1, wherein the originating section and the terminating section extend from the wing tip attachment end on opposite sides of the chord wise plane. 3. The spiroid wing tip of claim 2, wherein the spiroid wing tip extends a distance h1 above the chord wise plane and a distance h2 below the chord wise plane, wherein a ratio of h2/h1 is between approximately 0.4 and 1.0. 4. The spiroid wing tip of claim 2, the spiroid wing tip having a horizontal width of w and a vertical height of h, wherein a ratio of w/h is approximately 1.0. 5. The spiroid wing tip of claim 2, wherein the originating section and the terminating section extend from the wing tip attachment end in opposite directions from a vertical plane orthogonal to the chord wise plane. 6. The spiroid wing tip of claim 1, wherein a y-axis along the wing tip attachment end in the chord wise plane originates at the leading edge thereof directed toward the trailing edge thereof, wherein an x-axis orthogonal to the y-axis is in the chord wise plane, and wherein a z-axis is orthogonal to both the y-axis and x-axis, the originating section extending from the wing tip attachment end in a positive x direction and a negative z direction, the terminating section extending from the wing tip attachment end in the positive x direction and positive z direction. 7. The spiroid wing tip of claim 6, wherein the originating section extends from the wing tip attachment end in a positive y direction. 8. The spiroid wing tip of claim 6, wherein the originating section extends from the wing tip attachment end in a negative y direction. 9. The spiroid wing tip of claim 6, wherein the intermediate section includes a first part and a third part generally parallel to the x-y plane and a second part between the first and third parts orthogonal to the x-y plane. 10. The spiroid wing tip of claim 9, wherein the first part of the intermediate section is below the x-y plane coupled to the originating section and the third part is above the x-y plane coupled to the terminating section, the spiroid wing tip configured such that a maximum x-displacement occurs along the third part. 11. The spiroid wing tip of claim 1, wherein a portion of the terminating section overlaps a portion of the originating section. 12. An aircraft including a wing projecting from a body, the wing including a spiroid wing tip coupled to an end of the wing, the spiroid wing-tip comprising: a first generally planar section coupled to an end of the wing, the first generally planar section extending in a first plane;a second generally planar section coupled to the first generally planar section extending in a second plane angled with respect to the first plane;a third generally planar section coupled to the second generally planar section extending in a third plane angled with respect to the second plane and swept generally rearward with respect to the body of the aircraft;a fourth generally planar section coupled to the third generally planar section; extending in a fourth plane angled with respect to the third plane; anda fifth generally planar section coupled to the fourth generally planar section and the end of the wing, the fifth generally planar section extending in a fifth plane angled with respect to the fourth plane. 13. The aircraft of claim 12, wherein the first generally planar section extends from the end of the wing below a chord plane of the wing. 14. The aircraft of claim 13, wherein the first generally planar section is swept forward with respect to the aircraft body when traversed from a first end at the end of the wing to a second end. 15. The aircraft of claim 13, wherein the first generally planar section is swept rearward with respect to the aircraft body when traversed from a first end at the end of the wing to a second end. 16. The aircraft of claim 13, wherein the fourth generally planar section includes a first part swept forward with respect to the aircraft body and a second part swept rearward with respect to the aircraft body as the fourth generally planar section is traversed from one end to the other. 17. The aircraft of claim 13, wherein a minimum chord length of the spiroid wing tip occurs along the fourth generally planar section. 18. The aircraft of claim 13, wherein a minimum chord length of the spiroid wing tip occurs near a junction between the third generally planar section and the fourth generally planar section. 19. The aircraft of claim 13, wherein the first generally planar section, third generally planar section, and fifth generally planar section are tapered such that a chord length of the first and fifth generally planar sections at the end of the wing are larger than a chord length of the respective generally planar section away from the end of the wing. 20. The aircraft of claim 13, wherein the second generally planar section and the fourth generally planar section are generally horizontal, the third generally planar section is generally vertical, wherein the first, second, third, fourth, and fifth generally planar sections are swept with respect to the body of the aircraft such that the general planar sections form a closed loop with the first generally planar section partially overlapping the fifth generally planar section. 21. The aircraft of claim 12, wherein a leading edge of the spiroid wing tip extends continuously from a leading edge of the wing below a plane of the wing then transitions generally horizontally away from the aircraft and generally parallel to the wing then transitions generally vertically swept toward a rear of the aircraft then transitions generally horizontally toward the aircraft and bowing toward the rear of the aircraft then terminating at the wing tip rearward of the leading edge of the wing, and a trailing edge of the spiroid wing tip extends continuously from a trailing edge of the wing above the plane of the wing then transitions generally horizontally away from the aircraft and bowing toward the rear of the aircraft then transitions generally vertically with a sweep angle toward the rear of the aircraft then transitions generally horizontally toward the aircraft then terminating at the wing tip forward of the trailing edge of the wing. 22. The spiroid wing tip of claim 12, wherein the fifth generally planar section is coupled to the end of the wing at a trailing edge of the wing, and wherein the third generally planar section is swept rearward with respect to the trailing edge of the wing. 23. The spiroid wing tip of claim 12, wherein a portion of the fifth generally planar section overlaps a portion of the first generally planar section.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.