[특허]Launch and recovery system for unmanned aerial vehicles

Advanced Aerospace Technologies, Inc.

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Launch and recovery system for unmanned aerial vehicles

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64F-001/02 B64F-001/00
미국특허분류(USC)	244/110.C; 244/110.F
출원번호	US-0754251 (2004-01-09)
발명자 / 주소	McDonnell,William R.
출원인 / 주소	Advanced Aerospace Technologies, Inc.
대리인 / 주소	Polster, Lieder, Woodruff &
인용정보	피인용 횟수 : 39 인용 특허 : 28

초록

A method of launching and retrieving a UAV (Unmanned Aerial Vehicle) (10). The preferred method of launch involves carrying the UAV (10) up to altitude using a parasail (8) similar to that used to carry tourists aloft. The UAV is dropped and picks up enough airspeed in the dive to perform a pull-up into level controlled flight. The preferred method of recovery is for the UAV to fly into and latch onto the parasail tow line (4) or cables hanging off the tow line and then be winched back down to the boat (2).

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The invention claimed is: 1. An aerial recovery system for recovering an aircraft, said system comprising; the aircraft and an arrestment line held up at an upper end by support structure supported by a base, a lower end of the arrestment line also being connected to the base, said arrestment line not being a support for said support structure in the form of a rigid, straight-line guy line tension-tie connection between an immovable upper end attached to the support structure and an immovable lower end, said aircraft containing a capturing device for capturing said line, said capturing device comprising a hook positioned laterally of a longitudinal axis of said aircraft, said hook being adapted to releasably secure said line to said aircraft, said hook being the primary means of capturing said aircraft, said aircraft containing structure suitable for deflecting said line laterally into engagement with said hook, said structure comprising a wing of said aircraft. 2. The aerial recovery system of claim 1 in which said hook has a line retaining device. 3. The aerial recovery system of claim 1 in which said capturing device is positioned on a forward inboard edge of a wing of said aircraft. 4. The aerial recovery system of claim 1 in which the capturing device is located inboard of the aircraft's wingtip. 5. The aerial recovery system of claim 4 in which the capturing device is located inboard more than 5% of the wing semi-span. 6. The aerial recovery system of claim 1 in which multiple generally vertically oriented arrestment lines are spaced apart across the direction of travel of said aircraft as it approaches for recovery so as to increase the lateral capture envelope of said recovery system. 7. The aerial recovery system of claim 1 in which said lateral deflecting structure is swept at least fifteen degrees. 8. The aerial recovery system of claim 1 wherein the arrestment line is held up by a pole. 9. The aerial recovery system of claim 1 wherein said arrestment line is held up by a slender structural member. 10. The aerial recovery system of claim 1, wherein the line is a cable. 11. The aerial recovery system of claim 1, wherein the motion of the aircraft during deceleration is accommodated by compliance of the line. 12. The aerial recovery system of claim 1 wherein the arrestment line is held up by a beam and wherein the beam is mounted to move under the force of the aircraft's striking the arrestment line. 13. The aerial recovery system of claim 1 wherein the arrestment line and the capturing device are configured to restrict sliding of the aircraft along the line after the line is guided into connection with the hook. 14. The system of claim 1 wherein the base comprises the ground. 15. The system of claim 1 wherein the base comprises a water craft. 16. The system of claim 1 wherein the hook extends around forward of the line after capture of the line. 17. The system of claim 1 wherein the lower end of the line is connected to the base through an energy-absorbing device. 18. The system of claim 1 wherein said system comprises a single arrestment line. 19. The system of claim 1 wherein said system includes more than one hook and more than one arrestment line. 20. In combination, a flying object and an apparatus adapted for capturing the flying object, the flying object having a spanwise lifting surface with a capture device positioned laterally of the centerline of the flying object, the capture device comprising a hook adapted to releasably secure the flying object to the apparatus, the hook being the primary means of capturing said flying object, the flying object being adapted for flying along a flight path, the apparatus comprising: an arrestment line positionable in the flight path of the flying object, at least a portion of the arrestment line being inclined at an angle relative to the spanwise lifting surface to intersect the leading edge of the spanwise lifting surface, the arrestment line being positioned to engage the capture device of the flying object to releasably secure the flying object to the apparatus; and a support structure coupled to the arrestment line at two spaced-apart positions and positioned to support a portion of the arrestment line between said positions in the flight path, said arrestment line not being a support for said support structure in the form of a rigid, straight-line guy line tension-tie connection between an immovable upper end attached to the support structure and an immovable lower end. 21. The combination of claim 20 wherein the arrestment line includes a cable or pole. 22. The combination of claim 20 wherein the hook includes a latch. 23. The combination of claim 20 wherein the hook is positioned forward of a line defined by a leading edge of a wing inboard of the hook. 24. The combination of claim 20 wherein the spanwise lifting surface is swept at least fifteen degrees. 25. In combination, a flying object and an apparatus adapted for capturing the flying object, the combination comprising: a) a line suspended across the flight path of the object in an orientation which includes a component normal to the flight path; b) support structure, with a load path to a base, suspending the line, a lower end of the line being restrained to prevent the line from blowing freely in the wind, the arrestment line not being a support for the support structure in the form of a rigid, straight-line guy line tension-tie connection between an immovable upper end attached to the support structure and an immovable lower end; and c) a device located off the centerline of the flying object, the device being adapted for intercepting the line after the line slides laterally along a leading edge of a structure comprising a wing of the flying object and holding the flying object to the line, the device being the primary means of capturing the flying object, the load path not including the arrestment line below the flying object. 26. The combination of claim 25, wherein the line is a cable. 27. The combination of claim 25, wherein the device adapted for intercepting the line comprises a hook on the wing of the flying object, the hook including a line retaining device. 28. The combination of claim 25, wherein the motion of the flying object during deceleration is accommodated by compliance of the line. 29. The combination of claim 25 wherein the leading edge of the structure comprising a wing swept at least fifteen degrees. 30. The combination of claim 29, wherein the device adapted for intercepting the line comprises a hook on the wing of the flying object and includes an inner throat smaller than the diameter of the line so as to generate a sufficient amount of braking force such that after the line is intercepted by the hook, sliding of the line through the hook is substantially arrested. 31. The combination of claim 25 wherein an energy absorbing device is attached to the lower end of the line. 32. An aerial recovery system for capturing an aircraft, said system comprising; the aircraft and an arrestment line held up at at least one end by an aerial lifting apparatus that uses a relative wind to generate lift, said aerial lifting apparatus not being a rotary wing apparatus that generates lift by blowing air down through a rotor, said aircraft containing a hook adapted for capturing said line and releasably securing said aircraft to said arrestment line, said hook being positioned laterally of a longitudinal axis of said aircraft, said hook being the primary means of capturing said aircraft, said aircraft containing structure suitable for deflecting said line laterally into engagement with said hook, said structure comprising a wing of said aircraft, said structure being swept at least fifteen degrees from an inboard end of the wing to an outboard end of the wing. 33. The aerial recovery system of claim 32, wherein the hook includes an inner throat smaller than the diameter of the line so as to generate a sufficient amount of braking force such that after the line is intercepted by the hook, sliding of the line through the hook is substantially arrested. 34. The aerial recovery system of claim 32 wherein the arrestment line is restrained at a lower end to prevent the arrestment line from blowing freely in the wind. 35. The system of claim 32 wherein said hook comprises a retaining structure adapted to prevent said arrestment line from disengaging from said hook. 36. The system of claim 32 wherein the hook extends around forward of the line after capture of the line. 37. The system of claim 32 wherein the aerial lifting apparatus also comprises a lighter-than-air balloon. 38. The system of claim 32 wherein said aerial lifting apparatus is attached to a water craft. 39. The system of claim 32 wherein said aerial lifting apparatus has a fabric aerodynamic lifting surface.

이 특허에 인용된 특허 (28)

이 특허를 인용한 특허 피인용횟수: 39

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특허 상세정보

Launch and recovery system for unmanned aerial vehicles

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특허 상세정보

Launch and recovery system for unmanned aerial vehicles

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이 특허에 인용된 특허 (28)

이 특허를 인용한 특허 피인용횟수: 39

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IPC 상세정보(version : 201201)

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