IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0470889
(2012-05-14)
|
등록번호 |
US-8897933
(2014-11-25)
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발명자
/ 주소 |
- Teller, Eric
- DeVaul, Richard Wayne
- Biffle, Clifford L.
|
출원인 / 주소 |
|
대리인 / 주소 |
McDonnell Boehnen Hulbert & Berghoff LLP
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
3 |
초록
▼
Methods and systems disclosed herein relate to using a rotating flywheel battery in a balloon in a high-altitude balloon network. An example method could include converting, in a balloon, first electrical energy into kinetic mechanical energy. The balloon includes a flywheel battery configured to ro
Methods and systems disclosed herein relate to using a rotating flywheel battery in a balloon in a high-altitude balloon network. An example method could include converting, in a balloon, first electrical energy into kinetic mechanical energy. The balloon includes a flywheel battery configured to rotate about a spin axis. The kinetic mechanical energy includes a rotation motion of the flywheel battery. The method could further include storing the kinetic mechanical energy for a finite period of time. Further, the method could include performing, using the flywheel battery, at least one of: i) converting at least a portion of the stored kinetic mechanical energy into second electrical energy; ii) stabilizing at least one motion of the balloon based on the rotational motion of the flywheel battery; and iii) rotating the balloon substantially about a balloon axis substantially perpendicular to the ground surface of the earth.
대표청구항
▼
1. A method, comprising: converting, in a balloon, first electrical energy into kinetic mechanical energy, wherein the balloon comprises a flywheel battery, wherein the flywheel battery is configured to rotate about a spin axis substantially parallel to a ground surface of the earth, wherein the kin
1. A method, comprising: converting, in a balloon, first electrical energy into kinetic mechanical energy, wherein the balloon comprises a flywheel battery, wherein the flywheel battery is configured to rotate about a spin axis substantially parallel to a ground surface of the earth, wherein the kinetic mechanical energy comprises a rotational motion of the flywheel battery;storing, using the rotational motion of the flywheel battery, the kinetic mechanical energy for a finite period of time;performing, using the flywheel battery, at least one of: i) converting at least a portion of the stored kinetic mechanical energy into second electrical energy;ii) stabilizing at least one motion of the balloon based on the rotational motion of the flywheel battery;iii) rotating the balloon substantially about a balloon axis substantially perpendicular to the ground surface of the earth. 2. The method of claim 1, wherein the balloon is a balloon in a high-altitude balloon network. 3. The method of claim 1, wherein the flywheel battery comprises a lithium-ion battery. 4. The method of claim 1, wherein converting the first electrical energy into the kinetic mechanical energy comprises rotating the flywheel battery about the spin axis. 5. The method of claim 1, further comprising obtaining the first electrical energy from a solar power source. 6. The method of claim 5, wherein storing the kinetic mechanical energy for a finite period of time comprises storing the kinetic mechanical energy when the solar power source is unavailable. 7. The method of claim 1, wherein converting the at least a portion of the stored kinetic mechanical energy into the second electrical energy comprises using an electrical generator to convert the at least a portion of the stored kinetic mechanical energy into the second electrical energy. 8. The method of claim 1, wherein stabilizing the at least one motion of the balloon comprises stabilizing the at least one motion of the balloon substantially using angular momentum of the flywheel battery. 9. The method of claim 1, wherein the flywheel battery is in at least one gimbal mount and wherein rotating the balloon substantially about the balloon axis comprises changing the spin axis using the at least one gimbal mount. 10. A flywheel battery, comprising: a shaft defining a spin axis;a rotor mechanically coupled to the shaft, wherein the rotor is configured to rotate about the spin axis, wherein the rotor comprises at least one battery configured to store electrical energy, wherein the rotation of the rotor about the spin axis comprises kinetic mechanical energy; anda mount mechanically coupled to a balloon, wherein the mount comprises at least one stator, wherein the at least one battery is configured to provide electrical power to at least one sub-system of the balloon. 11. The flywheel battery of claim 10, wherein the balloon is in a high-altitude balloon network. 12. The flywheel battery of claim 10, wherein the at least one battery comprises a lithium-ion battery. 13. The flywheel battery of claim 10, further comprising an electric motor, wherein the electric motor is configured to convert first electrical energy into the kinetic mechanical energy. 14. The flywheel battery of claim 10, further comprising an electric generator, wherein the electric generator is configured to convert the kinetic mechanical energy into second electrical energy. 15. The flywheel battery of claim 10, wherein the mount comprises a gimbal mount. 16. The flywheel battery of claim 15, wherein the gimbal mount is operable to change the spin axis of the flywheel battery. 17. A non-transitory computer readable medium having stored therein instructions executable by a computing device to cause the computing device to perform functions comprising: causing a system to convert, in a balloon, first electrical energy into kinetic mechanical energy, wherein the balloon comprises a flywheel battery, wherein the flywheel battery is configured to rotate about a spin axis substantially parallel to a ground surface of the earth, wherein the kinetic mechanical energy comprises a rotational motion of the flywheel battery;causing the flywheel battery to store, using the rotational motion of the flywheel battery, the kinetic mechanical energy for a finite period of time;causing the flywheel battery to perform at least one of: i) converting at least a portion of the stored kinetic mechanical energy into second electrical energy;ii) stabilizing at least one motion of the balloon based on the rotational motion of the flywheel battery;iii) rotating the balloon substantially about a balloon axis substantially perpendicular to the ground surface of the earth. 18. The non-transitory computer readable medium of claim 17, wherein converting the first electrical energy into the kinetic mechanical energy comprises rotating the flywheel battery about the spin axis at a predetermined angular velocity. 19. The non-transitory computer readable medium of claim 17, wherein the flywheel battery is configured to store at least a portion of the first electrical energy, and wherein converting the first electrical energy into the kinetic mechanical energy comprises the flywheel battery supplying at least the portion of the first electrical energy to rotate the flywheel battery at the predetermined angular velocity. 20. A method, comprising: rotating a flywheel about a spin axis, wherein the flywheel is mechanically coupled to a balloon payload, wherein the balloon payload comprises an optical-communication component, wherein the optical-communication component has a current pointing axis, wherein the optical-communication component is operable to communicate with a correspondent device via a free-space optical link;determining an updated pointing axis so as to maintain the free-space optical link;determining a corrective gyroscopic torque so as change the current pointing axis to the updated pointing axis;generating the corrective gyroscopic torque by changing the spin axis; andenabling the balloon payload to move in response to the corrective gyroscopic torque. 21. The method of claim 20, wherein the balloon payload is in a high-altitude balloon network. 22. The method of claim 20, wherein the flywheel comprises a battery. 23. A device, comprising: a mount; anda battery mechanically coupled to the mount, such that the battery is configured to rotate about a spin axis, wherein the battery is configured to store electrical energy, wherein the battery is electrically coupled to at least one sub-system of a balloon, wherein the battery is configured to provide at least a portion of the electrical energy to the at least one sub-system of the balloon. 24. The device of claim 23, wherein the battery comprises a lithium-ion battery. 25. The device of claim 23, wherein the mount comprises a gimbal mount, wherein the gimbal mount is operable to change the spin axis so as to generate a gyroscopic torque. 26. The device of claim 25, wherein the gimbal mount is mechanically coupled to a balloon, wherein the balloon is configured to rotate about a balloon axis in response to the gyroscopic torque, wherein the balloon axis is substantially perpendicular to a surface of the earth.
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