Methods and apparatus to harvest renewable energy are provided herein. In some embodiments, a wind-powered aircraft includes an airframe suitable for untethered flight in an open airspace; and an airborne kinetic energy conversion system attached to the airframe, the airborne kinetic energy conversi
Methods and apparatus to harvest renewable energy are provided herein. In some embodiments, a wind-powered aircraft includes an airframe suitable for untethered flight in an open airspace; and an airborne kinetic energy conversion system attached to the airframe, the airborne kinetic energy conversion system comprising a turbine, a generator connected to the turbine, and an electrical storage means connected to the generator.
대표청구항▼
1. A wind-powered aircraft, comprising: an airframe suitable for untethered flight in an open airspace;an airborne kinetic energy conversion system attached to the airframe, the airborne kinetic energy conversion system comprising a turbine, a generator connected to the turbine, and an energy storag
1. A wind-powered aircraft, comprising: an airframe suitable for untethered flight in an open airspace;an airborne kinetic energy conversion system attached to the airframe, the airborne kinetic energy conversion system comprising a turbine, a generator connected to the turbine, and an energy storage means configured to be charged by the generator;a propulsion system including an electric motor and a propeller powered at least in part by the airborne kinetic energy conversion system, wherein the electric motor and propeller provide thrust to the aircraft during untethered flight;flight sensors; andflight control electronics suitable for controlling a flight path of the aircraft, wherein the flight control electronics comprises an electronic autopilot system programmed to perform a flight maneuver for harvesting wind power in presence of one or more of a vertical updraft, horizontal wind shear, a wind gust, or a cloud zone. 2. The aircraft of claim 1, wherein the wind-powered aircraft is an unmanned aircraft. 3. The aircraft of claim 1, wherein the autopilot system is configured to receive and analyze data from the flight sensors to recognize the presence of one or more of the vertical updraft, the horizontal wind shear, the wind gust, or the cloud zone. 4. The aircraft of claim 3, wherein the autopilot system is configured to search for one or more of the vertical updraft or the horizontal wind shear. 5. The aircraft of claim 1, further comprising a photovoltaic solar power system. 6. The aircraft of claim 5, further comprising power control electronics configured to control power flow among the energy storage means, the generator, and the photovoltaic solar power system. 7. The aircraft of claim 1, wherein the electric motor and the propeller function as the generator and the turbine. 8. The aircraft of claim 7, further comprising a two-way speed controller. 9. The aircraft of claim 7, wherein the propeller is a variable pitch propeller. 10. The aircraft of claim 1, further comprising a water collector. 11. The aircraft of claim 1, further comprising a plurality of generators. 12. The aircraft of claim 11, wherein the plurality of generators are configured to operate independently of each other. 13. The aircraft of claim 1, wherein the airframe comprises a lightweight wing made from a carbon fiber material. 14. The aircraft of claim 1, wherein the airframe comprises a wing having a downward bow shape. 15. The aircraft of claim 1, wherein the airframe comprises a wing having a capability to change one of its shape and relative position. 16. A wind-powered aircraft, comprising: an airframe suitable for untethered flight in an open airspace;an airborne kinetic energy conversion system attached to the airframe, the airborne kinetic energy conversion system comprising a turbine, a mechanical converter connected to the turbine, and mechanical energy storage means configured to be charged by the converter;a propulsion system including an electric motor and a propeller powered at least in part by the airborne kinetic energy conversion system, wherein the electric motor and propeller provide thrust to the aircraft during untethered flight;flight sensors; andflight control electronics suitable for controlling a flight path of the aircraft, wherein the flight control electronics comprises an electronic autopilot system programmed to perform a flight maneuver for harvesting wind power in presence of one or more of a vertical updraft, horizontal wind shear, a wind gust, or a cloud zone.
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이 특허에 인용된 특허 (17)
Jones Teddy L. (Cherry Valley IL) Althof Jon B. (Loves Park IL), Air driven turbine having a blade pitch changing mechanism including overspeed protection.
Latos Thomas S. ; Nelson Jeffrey D. ; Dickes Gary E., Aircraft electrical system providing emergency power and electric starting of propulsion engines.
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