[특허]Flying-wing aircraft

Bryant, Ashley Christopher

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특허 상세정보

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Flying-wing aircraft

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64C-015/12 B64C-029/00 B64C-039/10
미국특허분류(USC)	244/012.4; 244/023B; 244/056; 446/036
출원번호	US-0865429 (2009-02-02)
등록번호	US-8602348 (2013-12-10)
우선권정보	GB-0801913.5 (2008-02-01); GB-0815100.3 (2008-08-19)
국제출원번호	PCT/GB2009/000280 (2009-02-02)
§371/§102 date	20100730 (20100730)
국제공개번호	WO2009/095696 (2009-08-06)
발명자 / 주소	Bryant, Ashley Christopher
출원인 / 주소	Bryant, Ashley Christopher
대리인 / 주소	Davis & Bujold, PLLC
인용정보	피인용 횟수 : 32 인용 특허 : 6

초록
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A vertical take-off and landing flying-wing aircraft has a pair of thrust-vectoring propulsion units mounted fore and aft of the aircraft pitch axis on strakes at opposite extremities of the wing-structure, with the fore unit below, and the aft unit above, the wing-structure. The propulsion units are pivoted to the strakes, either directly or via arms, for individual angular displacement for thrust-vectored maneuvering of the aircraft in yaw, pitch and roll and for hover and forward and backward flight. When arms are employed, the arms of fore and aft propulsion units are intercoupled via chain drives or linkages. The wing-structure may have fins, slats and flaps and other aerodynamic control-surfaces, and enlarged strakes may incorporate rudder surfaces. Only one propulsion unit may be mounted at each extremity and additional fan units may be used.

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청구항
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1. A vertical take-off and landing flying-wing aircraft having a unitary wing-structure and a fore-aft axis, wherein:(a) the unitary wing-structure comprises a single elongate wing extending laterally to each side of the fore-aft axis, the single elongate wing having a single extremity located on either side of the fore-aft axis, and the single elongate wing is the sole wing of the vertical take-off and landing flying wing aircraft;(b) a single pair of thrust-vectoring propulsion units is mounted at each single extremity of the single unitary elongate wing via a mounting that is individual to the pair of thrust-vectoring propulsion units and operatively interlinking the two thrust-vectoring propulsion units with one another, and each of the pair of thrust-vectoring propulsion units being independently pivotable about an axis which is fixed relative to the unitary wing-structure; and(c) each thrust-vectoring propulsion unit is operable to produce a vector thrust selectively and variably between downwards for lift and rearwards for forward flight. 2. The vertical take-off and landing flying-wing aircraft according to claim 1, wherein each of the single pair of thrust-vectoring propulsion units is also operable to vector thrust produced by the thrust-vectoring propulsion units selectively and variably forwards for one of rearward manoeuvre and rearward flight of the aircraft. 3. The vertical take-off and landing flying-wing aircraft according to claim 1, wherein each of the single pair of thrust-vectoring propulsion units is operable to vector thrust from the thrust-vectoring propulsion units angularly about an axis parallel to a pitch axis of the aircraft. 4. The vertical take-off and landing flying-wing aircraft according to claim 1, wherein the two thrust-vectoring propulsion units of each single pair of thrust-vectoring propulsion units are spaced equidistant forward and aft respectively of a center of gravity of the aircraft. 5. The vertical take-off and landing flying-wing aircraft according to claim 1, wherein axes about which the thrusts of the two thrust-vectoring propulsion units of each single pair of thrust-vectoring propulsion units are vectored are located, respectively, above and below a central plane of the unitary wing-structure. 6. The vertical take-off and landing flying-wing aircraft according to claim 1, wherein axes about which the thrusts of the two thrust-vectoring propulsion units of each single pair of thrust-vectoring propulsion unites are vectored are axes fixed with respect to the unitary wing-structure. 7. The vertical take-off and landing flying-wing aircraft according to claim 1, wherein axes about which the thrusts of the two thrust-vectoring propulsion units of each single pair of thrust-vectoring propulsion units are vectored are displaceable with respect to the unitary wing-structure. 8. The vertical take-off and landing flying-wing aircraft according to claim 1, wherein each of the propulsion units is operable to vector thrust angularly about both an axis parallel to a roll axis of the aircraft and one of a pitch axis of the aircraft and an axis parallel to the pitch axis. 9. The vertical take-off and landing flying-wing aircraft according to claim 1, wherein a center of gravity of the aircraft is located forward of an aerodynamic center of lift of the unitary wing-structure within a range of 0 to 15% of a maximum wing chord of the aircraft. 10. The vertical take-off and landing flying-wing aircraft according to claim 1, wherein the fixed axis is one of a pitch axis of the aircraft and an axis parallel to the pitch axis. 11. The vertical take-off and landing flying-wing aircraft according to claim 1, wherein each thrust-vectoring propulsion unit is mounted on a respective pivotable member for angular displacement about an individual first axis defined in the respective pivotable member, and the respective pivotable member is pivotable about an individual second axis fixed relative to the unitary wing-structure such that orientation of each individual thrust-vectoring propulsion unit is variable. 12. The vertical take-off and landing flying-wing aircraft according to claim 11 wherein the first and the second axes are both parallel to a pitch axis of the aircraft. 13. The vertical take-off and landing flying-wing aircraft according to claim 11, wherein drive for pivotal movement of the pivotable member is via one of a gear, a chain and a lever mechanism within the mounting. 14. The vertical take-off and landing flying-wing aircraft according to claim 1, wherein each of the thrust-vectoring propulsion units of each single pair of thrust-vectoring propulsion units is mounted for angular displacement for vectoring on respective pivotable members, and control means is operable to control the pivotable members of each said single pair of thrust-vectoring propulsion units selectively for forward flight and hover of the aircraft, the control means is operative for forward flight of the aircraft to locate the two thrust-vectoring propulsion units of each said single pair of the thrust-vectoring propulsion units one above the other relative to the wing-structure, and is operative for hover of the aircraft to locate the two thrust-vectoring propulsion units of the respective single pair of thrust-vectoring propulsion units in horizontal alignment with one another. 15. The vertical take-off and landing flying-wing aircraft according to claim 14, wherein the pivotable members of the two thrust-vectoring propulsion units of each single pair of thrust-vectoring propulsion units mounted at each single extremity of the single elongate wing are pivoted away from one another for hover of the aircraft. 16. A vertical take-off and landing flying-wing aircraft having a unitary wing-structure and a fore-aft axis, wherein:(a) the unitary wing-structure comprises a continuous single elongate wing extending laterally to each side of the fore-aft axis and generally defining a plane, the single elongate wing having a single extremity located at each side of the fore-aft axis, and the single elongate wing is the sole wing of the vertical take-off and landing flying wing aircraft;(b) a single pair of thrust-vectoring propulsion units being mounted at each single extremity of the single elongate wing via a mounting that is individual to the pair of thrust-vectoring propulsion units and operatively interlinking the two thrust-vectoring propulsion units with one another, and each of the pair of thrust-vectoring propulsion units being independently pivotable about an axis which is fixed relative to the unitary wing-structure; and(c) each thrust-vectoring propulsion unit is operable to vector thrust produced by each thrust-vectoring propulsion unit selectively and variably between downward for lift and rearward for forward flight; andthe wing-structure has one of a V-tail and at least one central, stabilizer tail-fin. 17. A vertical take-off and landing flying-wing aircraft having a fore-aft axis, the aircraft comprising: (a) a single elongate wing extending laterally to each side of the fore-aft axis, the elongate wing terminating in a single wing-extremity of the single elongate wing located on either side of the fore-aft axis;(b) two thrust-vectoring propulsion units mounted at each single wing-extremity of the single elongate wing via a mounting that is individual to the two thrust-vectoring propulsion units and operatively interlinking the two thrust-vectoring propulsion units with one another, the two thrust-vectoring propulsion units at each respective single wing-extremity of the single wing being carried on respective individual arms that are independently pivotable to the respective wing-extremity fore and aft of one another; and(c) a drive mechanism at each single wing-extremity, the drive mechanism at each respective single wing-extremity intercoupling the pivoted arms of the two thrust-vectoring propulsion units mounted at the respective wing-extremity for varying the angular displacement of these two thrust-vectoring propulsion units relative to the single elongate wing. 18. The vertical take-off and landing flying-wing aircraft according to claim 17, wherein the drive mechanism at each respective single wing-extremity comprises one of a gear, a chain and a lever mechanism. 19. The vertical take-off and landing flying-wing aircraft according to claim 17, wherein the drive mechanism at each respective single wing-extremity comprises a crank-arm linkage. 20. The vertical take-off and landing flying-wing aircraft according to claim 17, wherein each of the thrust-vectoring propulsion units, mounted at each single wing-extremity of the single elongate wing, is pivotably mounted on the respective individual arm.

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이 특허를 인용한 특허 피인용횟수: 32

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Flying-wing aircraft

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Flying-wing aircraft

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이 특허에 인용된 특허 (6)

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