[특허]Immersible unmanned air vehicle and system for launch, recovery, and re-launch at sea

Lockheed Martin Corporation

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Immersible unmanned air vehicle and system for launch, recovery, and re-launch at sea

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64C-035/00
미국특허분류(USC)	244/105
출원번호	US-0823434 (2004-04-13)
발명자 / 주소	Ruszkowski, Jr.,Robert A.
출원인 / 주소	Lockheed Martin Corporation
대리인 / 주소	Bracewell&
인용정보	피인용 횟수 : 7 인용 특허 : 13

초록
▼

A sea-launched and recovered unmanned aircraft is disclosed. The aircraft is jet-powered and has features and systems to maintain watertight integrity such that it may be released from a submerged submarine or dropped into a body of water by a ship or an aircraft. The aircraft is buoyant and remains at or near the water surface before its rockets are ignited. The rockets propel the air vehicle out of the sea and accelerate it to flying speed at which time a jet engine is started and the rockets are jettisoned. The air vehicle performs its mission independently or in conjunction with other ones of the air vehicles. The air vehicle then returns to an assigned splashdown point at sea via, for example, an engine-off "whip-stall" maneuver. A submarine or ship may retrieve the air vehicle and readies it for another mission.

대표
청구항
▼

What is claimed is: 1. A method of operating a sea-based aircraft, comprising: (a) equipping an aircraft with a payload and without landing gear or flotation pontoons; (b) configuring the aircraft itself in a watertight configuration; (c) storing the aircraft on a ship; (d) releasing the aircraft into a body of water such that the aircraft is at least partially submerged in the body of water; (e) propelling the aircraft out of the body of water; (f) sustaining flight of the aircraft with a jet engine; (g) utilizing the payload of the aircraft; (h) landing the aircraft in the body of water; and (i) retrieving the aircraft onto the ship. 2. The method of claim 1, further comprising refitting the aircraft with another payload and repeating steps (b) through (i). 3. The method of claim 1, further comprising shutting the aircraft to a designated recovery point in the body of water and shutting down the jet engine prior to step (h). 4. The method of claim 1, wherein step (b) is repeated before step (h). 5. The method of claim 1, wherein step (h) comprises splashing down directly into the body of water. 6. The method of claim 1, wherein step (e) comprises using rocket boosters. 7. The method of claim 1, wherein step (g) comprises attacking a target with munitions and providing reconnaissance. 8. The method of claim 1, wherein step (d) comprises unfolding wings of the aircraft from a retracted storage position to an extended flying position, and step (i) comprises folding the wings from the extended flying position to the retracted storage position. 9. The method of claim 1, wherein steps (c) and (i) comprise using a submerged submarine. 10. The method of claim 9, wherein the aircraft is released from and retrieved into a converted missile tube in the submarine. 11. The method of claim 1, further comprising internally pressurizing the aircraft to offset and balance external hydrostatic water pressure loads, operating inlet and nozzle close-off doors with inflatable watertight seals to make the jet engine watertight, treating manufacturing joints, seams, and airframe penetrations with sealant and appliqu챕 tapes for further enabling the watertight configuration. 12. The method of claim 1, wherein steps (h) and (i) comprise shutting down the jet engine and enabling the watertight configuration for the jet engine before being recovered by a submerged submarine. 13. A method of operating a sea-based aircraft, comprising: (a) equipping an aircraft with a payload; (b) configuring the aircraft itself in a watertight configuration; (c) storing the aircraft on a ship; (d) releasing the aircraft into a body of water such that the aircraft is at least partially submerged in the body of water; (e) unfolding wings of the aircraft from a retracted storage position to an extended flying position while the aircraft is at least partially submerged in the body of water; (f) propelling the aircraft out of the body of water with rocket boosters; (g) sustaining flight of the aircraft with a jet engine; (h) utilizing the payload of the aircraft; (i) returning the aircraft to a designated recovery point in the body of water and reconfiguring the aircraft in a watertight configuration during flight prior to a splashdown; (j) splashing down directly into the body of water; and (k) retrieving the aircraft onto the ship. 14. The method of claim 13, further comprising refitting the aircraft with another payload and repeating steps (b) through (k). 15. The method of claim 13, wherein step (h) comprises attacking a target with munitions and providing reconnaissance. 16. The method of claim 13, wherein steps (c) and (k) comprise using a submerged submarine, the aircraft is released from and retrieved into a converted missile tube in the submarine, and the wings from in the retracted storage position during steps (c) and (k). 17. The method of claim 13, further comprising equipping the aircraft without landing gear or flotation pontoons. 18. The method of claim 13, wherein step (b) comprises internally pressurizing the aircraft to offset and balance external hydrostatic water pressure loads, operating inlet and nozzle close-off doors with inflatable watertight seals to make the jet engine watertight, treating manufacturing joints, seams, and airframe penetrations with sealant and appliqu챕 tapes for further enabling the watertight configuration. 19. The method of claim 13, wherein step (i) comprises shutting down the jet engine and enabling the watertight configuration for the jet engine prior to splashdown and before being recovered by a submerged submarine. 20. A method of operating a sea-based aircraft, comprising: (a) equipping an aircraft with a payload; (b) configuring the aircraft itself in a watertight configuration; (c) storing the aircraft on a ship; (d) releasing the aircraft into a body of water such that the aircraft is at least partially submerged in the body of water; (e) propelling the aircraft out of the body of water; (f) sustaining flight of the aircraft with a jet engine; (g) utilizing the payload of the aircraft; (h) landing the aircraft in the body of water; (i) retrieving the aircraft onto the ship; and (j) internally pressurizing the aircraft to offset and balance external hydrostatic water pressure loads, operating inlet and nozzle close-off doors with inflatable watertight seals to make the jet engine watertight, treating manufacturing joints, seams, and airframe penetrations with sealant and appliqu챕 tapes for further enabling the watertight configuration.

이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 피인용횟수: 7

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특허 상세정보

Immersible unmanned air vehicle and system for launch, recovery, and re-launch at sea

초록
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이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 피인용횟수: 7

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Immersible unmanned air vehicle and system for launch, recovery, and re-launch at sea

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이 특허에 인용된 특허 (13)

이 특허를 인용한 특허 피인용횟수: 7

IPC 상위 출원인

과제정보

상세정보조회

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IPC 상세정보(version : 201201)

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