[특허]Multiple stage tractor propulsion vehicle

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Multiple stage tractor propulsion vehicle

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64G-001/40 B64G-001/00
출원번호	US-0803800 (2015-07-20)
등록번호	US-9403605 (2016-08-02)
발명자 / 주소	Ball, James M. Kutzmann, Aaron J. Deamer, David A.
출원인 / 주소	THE BOEING COMPANY
대리인 / 주소	Parsons Behle & Latimer
인용정보	피인용 횟수 : 0 인용 특허 : 20

초록
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A multiple stage orbital delivery vehicle that uses tractor propulsion to launch the vehicle into space. Only the upper stage of the vehicle includes an engine and avionics allowing the lower stages to be only liquid propellant tanks that may be dumped when empty. The liquid propellant may be either monopropellant or bi-propellant. The upper stage may include multiple nozzles that burn the propellant. Alternatively, the upper stage may include an aerospike engine instead of nozzles. The multiple stage orbital delivery vehicle may be air launched from an ...

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1. A method of launching a multiple stage orbital delivery vehicle, the method comprising: burning fuel from a first fuel tank of a lower stage of the orbital delivery vehicle in an engine connected to an upper stage of the orbital delivery vehicle while the lower stage is connected to the orbital delivery vehicle, the lower stage being releasably connected to the orbital delivery vehicle, wherein the lower stage is coaxial with the upper stage;disconnecting the lower stage from the orbital delivery vehicle; andburning fuel in the engine from a second fuel tank located in the upper stage of the orbital delivery vehicle. 2. The method of claim 1 further comprising dropping the orbital delivery vehicle from an airborne aircraft. 3. The method of claim 1 further comprising burning fuel from a third fuel tank in the engine, the third fuel tank being located in a middle stage between the lower stage and the upper stage of the orbital delivery vehicle. 4. The method of claim 3 further comprising disconnecting the middle stage from the orbital delivery vehicle prior to burning fuel from the second fuel tank of the upper stage. 5. The method of claim 1 further comprising: opening a payload bay of the upper stage; andlaunching a spacecraft from the payload bay of the upper stage. 6. The method of claim 1, wherein burning fuel from the first fuel tank of the lower stage further comprises flowing fuel through a first fuel line in the lower stage and through a second fuel line in the upper stage to the engine. 7. The method of claim 1, wherein burning fuel from the first fuel tank of the lower stage further comprises: flowing fuel through a first fuel line in the lower stage and through a second fuel line in the upper stage to the engine; andflowing an oxidizer through a first oxidizer line in the lower stage and a second oxidizer line in the upper stage to the engine. 8. A method of launching a multiple stage orbital delivery vehicle, the method comprising: burning fuel from a first fuel tank of a lower stage of the orbital delivery vehicle in an engine connected to an upper stage of the orbital delivery vehicle while the lower stage is connected to the orbital delivery vehicle, the lower stage being releasably connected to the orbital delivery vehicle, wherein the lower stage is below the upper stage in reference to the direction of travel of the orbital delivery vehicle from the engine;disconnecting the lower stage from the orbital delivery vehicle; andburning fuel in the engine from a second fuel tank located in the upper stage of the orbital delivery vehicle. 9. The method of claim 8 further comprising dropping the orbital delivery vehicle from an airborne aircraft. 10. The method of claim 8 further comprising burning fuel from a third fuel tank in the engine, the third fuel tank being located in a middle stage between the lower stage and the upper stage of the orbital delivery vehicle. 11. The method of claim 10 further comprising disconnecting the middle stage from the orbital delivery vehicle prior to burning fuel from the second fuel tank of the upper stage. 12. The method of claim 8 further comprising: opening a payload bay of the upper stage; andlaunching a spacecraft from the payload bay of the upper stage. 13. The method of claim 8, wherein burning fuel from the first fuel tank of the lower stage further comprises flowing fuel through a first fuel line in the lower stage and through a second fuel line in the upper stage to the engine. 14. The method of claim 8, wherein burning fuel from the first fuel tank of the lower stage further comprises: flowing fuel through a first fuel line in the lower stage and through a second fuel line in the upper stage to the engine; andflowing an oxidizer through a first oxidizer line in the lower stage and a second oxidizer line in the upper stage to the engine. 15. A method of launching a multiple stage orbital delivery vehicle, the method comprising: burning fuel from a first fuel tank of a lower stage of the orbital delivery vehicle in an engine connected to an upper stage of the orbital delivery vehicle while the lower stage is connected to the orbital delivery vehicle to provide thrust to move the orbital delivery vehicle in a first direction, the lower stage being releasably connected to the orbital delivery vehicle, wherein the lower stage is below the upper stage in reference to the first direction;disconnecting the lower stage from the orbital delivery vehicle; andburning fuel in the engine from a second fuel tank located in the upper stage of the orbital delivery vehicle. 16. The method of claim 15 further comprising burning fuel from a third fuel tank in the engine, the third fuel tank being located in a middle stage between the lower stage and the upper stage of the orbital delivery vehicle. 17. The method of claim 16 further comprising disconnecting the middle stage from the orbital delivery vehicle prior to burning fuel from the second fuel tank of the upper stage. 18. The method of claim 15 further comprising: opening a payload bay of the upper stage; andlaunching a spacecraft from the payload bay of the upper stage. 19. The method of claim 15, wherein burning fuel from the first fuel tank of the lower stage further comprises flowing fuel through a first fuel line in the lower stage and through a second fuel line in the upper stage to the engine. 20. The method of claim 15, wherein burning fuel from the first fuel tank of the lower stage further comprises: flowing fuel through a first fuel line in the lower stage and through a second fuel line in the upper stage to the engine; andflowing an oxidizer through a first oxidizer line in the lower stage and a second oxidizer line in the upper stage to the engine.

이 특허에 인용된 특허 (20)

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Multiple stage tractor propulsion vehicle

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Multiple stage tractor propulsion vehicle

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