Launch vehicles with ring-shaped external elements, and associated systems and methods
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B64G-001/00
B64G-001/14
F42B-010/02
F42B-010/64
B64G-001/22
B64G-001/62
B64G-001/64
B64G-001/40
B64G-001/12
출원번호
US-0833985
(2013-03-15)
등록번호
US-9487308
(2016-11-08)
발명자
/ 주소
Featherstone, Mark
Sanders, John Michael
Ramsey, Roger E.
Wetzel, Eric David
출원인 / 주소
Blue Origin, LLC
대리인 / 주소
Perkins Coie LLP
인용정보
피인용 횟수 :
0인용 특허 :
33
초록▼
Launch vehicles with ring-shaped external elements, and associated systems and methods. A representative aerospace system includes a launch vehicle having a first end and a second end generally opposite the first end, with the launch vehicle being elongated along a vehicle axis extending between the
Launch vehicles with ring-shaped external elements, and associated systems and methods. A representative aerospace system includes a launch vehicle having a first end and a second end generally opposite the first end, with the launch vehicle being elongated along a vehicle axis extending between the first and second ends, and having an external, outwardly facing surface. The system can further include an annular element carried by the launch vehicle, the annular element having an external, inwardly-facing surface radially spaced apart from, and extending at least partially circumferentially around, the vehicle axis. The annular element can have a first edge surface facing a first direction along the vehicle axis, and a second edge surface facing a second direction along the vehicle axis, the second direction being opposite the first direction. A propulsion system can be carried by the launch vehicle, and can have at least one nozzle positioned toward the first end of the vehicle to launch the vehicle. A controller can be in communication with the launch vehicle and programmed to direct the vehicle in the first direction during vehicle ascent, and in the second direction during vehicle descent.
대표청구항▼
1. An aerospace system, comprising: a launch vehicle having a first end and a second end generally opposite the first end, the launch vehicle being elongated along a vehicle axis extending between the first end and the second end and having an external, outwardly facing surface;an annular element fi
1. An aerospace system, comprising: a launch vehicle having a first end and a second end generally opposite the first end, the launch vehicle being elongated along a vehicle axis extending between the first end and the second end and having an external, outwardly facing surface;an annular element fixedly attached to the launch vehicle, the annular element having an external, inwardly facing surface radially spaced apart from, and extending at least partially circumferentially around, the vehicle axis, the annular element having a first edge surface facing a first direction along the vehicle axis and a second edge surface facing a second direction along the vehicle axis, the second direction being opposite the first direction;a propulsion system directly attached to the launch vehicle and having at least one nozzle positioned toward the first end of the launch vehicle to launch the launch vehicle; anda controller in communication with the launch vehicle and programmed with instructions that, when executed, direct the launch vehicle in the first direction during vehicle ascent, and direct the launch vehicle in the second direction during vehicle descent. 2. The system of claim 1 wherein the inwardly facing external surface is radially spaced apart from and extends at least partially around the external, outwardly facing surface of the launch vehicle. 3. The system of claim 1 wherein the annular element carries a fixed fin. 4. The system of claim 1 wherein the annular element includes at least one deployable element, and wherein the controller is programmed with instructions that, when executed, move the at least one deployable element from a stowed position to a deployed position for vehicle descent. 5. The system of claim 4 wherein the at least one deployable element includes a fin. 6. The system of claim 5 wherein the fin has a surface aligned generally parallel with the vehicle axis. 7. The system of claim 4 wherein the at least one deployable element includes a brake. 8. The system of claim 7 wherein the brake has a surface positioned transverse to the vehicle axis in the deployed configuration. 9. The system of claim 4 wherein the deployed position of the at least one deployable element is one of multiple deployed positions for the at least one deployable element. 10. The system of claim 1 wherein the launch vehicle includes: a first stage positioned along the vehicle axis; anda second stage positioned along the vehicle axis and joined to the first stage at a predefined separation location, the second stage being separable from the first stage at the separation location during flight; and whereinthe annular element is positioned proximate to the separation location. 11. The system of claim 1 wherein the controller is carried by the launch vehicle. 12. The system of claim 1 wherein the first and second edge surfaces are exposed to external flow around the launch vehicle. 13. The system of claim 1 wherein the first edge surface is shielded from external flow during vehicle ascent, and is exposed to external flow during vehicle descent. 14. The system of claim 1 wherein the second edge surface is positioned closer to the first end of the vehicle than is the first edge surface, and wherein the first edge surface is blunter than the second edge surface. 15. The system of claim 1 wherein the external, inwardly facing surface of the annular element is positioned radially further away from the vehicle axis than is the external radially outwardly facing surface of the launch vehicle. 16. The system of claim 1 wherein the second end of the vehicle includes a close-out have a curvature break that forms a circumferentially extending edge around the vehicle axis. 17. An aerospace system, comprising: a launch vehicle having a first end and a second end generally opposite the first end, the launch vehicle being elongated along a vehicle axis extending between the first end and the second end and having an external, outwardly facing surface;an annular element fixedly attached to the launch vehicle, the annular element having an external, inwardly facing surface radially spaced apart from, and extending circumferentially around, at least a portion of the external surface at a location along the vehicle axis between the first end and the second end, the annular element having a first edge surface facing a first direction along the vehicle axis and a second edge surface facing a second direction along the vehicle axis, the second direction being opposite the first direction;a propulsion system directly attached to the launch vehicle and having at least one nozzle positioned toward the first end of vehicle to launch the launch vehicle; anda controller in communication with the launch vehicle and configured to direct the launch vehicle in the first direction during vehicle ascent, and direct the launch vehicle in the second direction during vehicle descent. 18. The system of claim 17 wherein the annular element is spaced apart, along the vehicle axis, from the furthest axial extremity of the second end and the furthest axial extremity of the first end. 19. The system of claim 17 wherein the launch vehicle includes: a first stage positioned along the vehicle axis; anda second stage positioned along the vehicle axis and joined to the first stage at a predefined separation location, the second stage being separable at the separation location from the first stage during flight; and whereinthe annular element has a first position relative to a first overall length of the launch vehicle when the first and second stages are joined, and a second position relative to a second overall length of the launch vehicle when the second stage is separated from the first stage. 20. The system of claim 17, further comprising a controller in communication with the launch vehicle and configured to direct the vehicle in the first direction during vehicle ascent, and direct the vehicle in the second direction during vehicle descent. 21. An aerospace system, comprising: a launch vehicle having a first end and a second end generally opposite the first end, the launch vehicle being elongated along a vehicle axis extending between the first end and the second end and having an external, outwardly facing surface, the launch vehicle including: a first stage positioned along the vehicle axis; anda second stage positioned along the vehicle axis and joined to the first stage at a predefined separation location, the second stage being separable at the separation location from the first stage during flight;an annular element fixedly attached to the launch vehicle, the annular element having an external, inwardly facing surface and being radially spaced apart from, and extending at least partially circumferentially around the vehicle axis, the annular element having a first position relative to a first overall length of the launch vehicle when the first and second stages are joined, and a second position relative to a second overall length of the launch vehicle when the second stage is separated from the first stage;a propulsion system directly attached to the launch vehicle and having at least one nozzle positioned toward the first end of the launch vehicle to launch the launch vehicle; anda controller in communication with the launch vehicle and programmed with instructions that, when executed, direct the launch vehicle in a first direction during vehicle ascent, and direct the launch vehicle in a second direction opposite the first direction during vehicle descent. 22. The system of claim 21 wherein the annular element has a single fixed position relative to the first stage both when the first and second stages are joined and when the first and second stages are separated. 23. The system of claim 21 wherein the second stage includes a crew compartment. 24. The system of claim 21 wherein the second stage includes a payload compartment. 25. The system of claim 21 wherein the first stage includes a close-out surface opposite the nozzle, the close-out surface having an exposed, circumferentially extending outwardly facing edge positioned radially outwardly from the vehicle axis. 26. The system of claim 21 wherein the annular element is carried by the first stage. 27. The system of claim 21, further comprising a controller in communication with the launch vehicle and programmed with instructions that, when executed, direct the vehicle in a first direction during vehicle ascent, and direct the vehicle in a second direction opposite the first direction during vehicle descent. 28. An aerospace system, comprising: a launch vehicle having a first end and a second end generally opposite the first end, the launch vehicle being elongated along a vehicle axis extending between the first end and the second end and having an external, outwardly facing surface;a propulsion system directly attached to the launch vehicle and having at least one nozzle positioned toward the first end of vehicle to launch the launch vehicle;an annular element fixedly attached to the launch vehicle, the annular element having an external, inwardly facing surface radially spaced apart from, and extending circumferentially around, at least a portion of the vehicle axis, the annular element having a first edge surface facing a first direction along the vehicle axis and toward the first end of the vehicle, and a second edge surface facing a second direction along the vehicle axis and toward the second end of the vehicle, wherein the second edge surface is blunter than the first edge surface; anda controller in communication with the launch vehicle and programmed with instructions that, when executed, direct the launch vehicle in a first direction during vehicle ascent, and direct the launch vehicle in a second direction opposite the first direction during vehicle descent. 29. The system of claim 28 wherein the annular element forms a ring around the vehicle axis. 30. The system of claim 28 wherein the annular element forms a ring around the external, outwardly facing surface of the launch vehicle. 31. The vehicle of claim 28 wherein the second edge surface is generally flat and the first edge surface is generally curved. 32. The vehicle of claim 28 wherein the annular element is positioned at a location along the vehicle axis between the first end and the second end. 33. The vehicle of claim 28 wherein the vehicle includes: a first stage positioned along the vehicle axis; anda second stage positioned along the vehicle axis and joined to the first stage at a predefined separation location, the second stage being separable at the separation location from the first stage during flight, and wherein the annular element is carried by the first stage and positioned proximate to the separation location. 34. The system of claim 33 wherein the first stage includes a close-out surface positioned proximate to the separation location, the close-out surface having: a first circumferentially-extending portion;a second circumferentially-extending portion positioned radially inwardly from the first circumferentially-extending portion; anda third circumferentially-extending portion positioned between the first and second circumferentially-extending portions and being more sharply curved than the first and second circumferentially-extending portions. 35. The system of claim 28 wherein the second circumferentially-extending portion in generally flat in a plane transverse to the vehicle axis. 36. An aerospace system, comprising: a launch vehicle having a first end and a second end generally opposite the first end, the launch vehicle being elongated along a vehicle axis extending between the first end and the second end and having an external, outwardly facing surface, the launch vehicle including: a first stage positioned along the vehicle axis; anda second stage positioned along the vehicle axis and joined to the first stage at a predefined separation location, the second stage being separable at the separation location from the first stage during flight;an annular element fixedly attached to the launch vehicle, the annular element having an external, inwardly facing surface and being radially spaced apart from, and extending at least partially circumferentially around the vehicle axis, the annular element and the launch vehicle defining at least in part a flow-through gap between the external, outwardly facing surface of the launch vehicle and the external, inwardly facing surface of the annular element;a propulsion system directly attached to the launch vehicle and having at least one nozzle positioned toward the first end of the launch vehicle to launch the launch vehicle; anda controller in communication with the launch vehicle and programmed with instructions that, when executed, direct the launch vehicle in a first direction during vehicle ascent, and direct the launch vehicle in a second direction opposite the first direction during vehicle descent. 37. The system of claim 36 wherein the annular element is carried by the first stage. 38. The system of claim 36 wherein the at least one nozzle includes a first nozzle carried by the first stage and a second nozzle carried by the second stage, and wherein the second nozzle is positioned to direct exhaust products into and through the flow-through gap. 39. The system of claim 38 wherein the first stage includes a close-out surface positioned along the vehicle axis proximate to the second nozzle, the close-out surface having: a first circumferentially-extending portion;a second circumferentially-extending portion positioned radially inwardly from the first circumferentially-extending portion; anda third circumferentially-extending portion positioned between the first and second circumferentially-extending portions and being more sharply curved than the first and second circumferentially-extending portions. 40. The system of claim 39 wherein the third circumferentially-extending portion defines at least in part an outwardly facing edge positioned radially outwardly from the vehicle axis. 41. The system of claim 36 wherein the launch vehicle does not include a mechanical actuator positioned to push at least one of the first and second stages away from the other. 42. The system of claim 36, further comprising radially extending struts connecting the annular element to the first stage. 43. An aerospace system, comprising: a launch vehicle having a first end and a second end generally opposite the first end, the launch vehicle being elongated along a vehicle axis extending between the first end and the second end and having an external, outwardly facing surface;an annular element carried by the launch vehicle, the annular element having an external, inwardly facing surface radially spaced apart from, and extending at least partially circumferentially around, the vehicle axis, the annular element having a first edge surface facing a first direction along the vehicle axis and a second edge surface facing a second direction along the vehicle axis, the second direction being opposite the first direction, wherein the first edge surface is shielded from external flow during vehicle ascent, and is exposed to external flow during vehicle descent;a propulsion system carried by the launch vehicle and having at least one nozzle positioned toward the first end of the launch vehicle to launch the launch vehicle; anda controller in communication with the launch vehicle and programmed with instructions that, when executed, direct the launch vehicle in the first direction during vehicle ascent, and direct the launch vehicle in the second direction during vehicle descent.
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