Power generation system including multiple motors/generators
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F03D-009/00
F01D-005/14
출원번호
UP-0175416
(2008-07-17)
등록번호
US-7675189
(2010-04-21)
발명자
/ 주소
Grenier, Albert J.
출원인 / 주소
Baseload Energy, Inc.
대리인 / 주소
Dicke, Billig & Czaja PLLC
인용정보
피인용 횟수 :
30인용 특허 :
30
초록▼
An electric power-generating system configured to convert a source of energy to electricity by turning a rotor shaft with the source of energy includes a mounting plate coupled to the rotor shaft, a drive gear coupled to the rotor shaft and configured to move when the rotor shaft moves, and a plural
An electric power-generating system configured to convert a source of energy to electricity by turning a rotor shaft with the source of energy includes a mounting plate coupled to the rotor shaft, a drive gear coupled to the rotor shaft and configured to move when the rotor shaft moves, and a plurality of motor/generator devices mounted to the mounting plate. Each motor/generator device includes an output shaft configured to rotatably couple with the drive gear. Each motor/generator device couples independently to the drive gear to provide a plurality of redundant power generating motor/generator devices.
대표청구항▼
What is claimed is: 1. A fluid-powered electric generating system comprising: a frame configured to couple to a tether system; at least one power generation module mounted to the frame and configured to provide lift from a flowing fluid to maintain the electric generating system within the flowing
What is claimed is: 1. A fluid-powered electric generating system comprising: a frame configured to couple to a tether system; at least one power generation module mounted to the frame and configured to provide lift from a flowing fluid to maintain the electric generating system within the flowing fluid, the at least one power generation module comprising: an outer holding structure attached to the frame; an inner rotating structure, including a rotor shaft, disposed within and configured to rotate relative to the outer holding structure; a rotor having a plurality of blades attached to the rotor shaft and configured to be rotated by the flowing fluid to create a torque on the rotor shall which rotates the rotor shaft and the inner rotating structure relative to the holding structure; and a plurality of generators attached to the holding structure, each generator having a drive shaft engaged with the inner rotating structure so that the torque from the rotor is transmitted to the generator for production of an electrical power. 2. The system of claim 1, wherein each generator includes a decoupling mechanism configured to automatically decouple and disengage the generator from the inner rotating structure upon the generator becoming inoperable. 3. The system of claim 1, wherein each of the plurality of generators is configured to selectively operate in one of an idle in ode, an operating mode, and a decoupled inoperable mode. 4. The system of claim 3, wherein the system is configured to provide a desired power output with a portion of the plurality of generators in the operating mode, a portion of the plurality of generators in the idle mode, and a portion of the plurality of generator in the decoupled inoperable mode. 5. The system of claim 1, wherein an interface of the inner rotating structure which engages the drive shafts of the generators comprises a lubricating polymer comprising one of polyetheretherketone and polymide. 6. The system of claim 1, wherein the inner rotating structure comprises a drive gear coupled to and configured to rotate with the rotor shaft, and wherein the plurality of generators are positioned on the outer holding structure radially about the circumference of the drive gear with the drive shaft of each generator having a gear which engages the drive gear. 7. The system of claim 6, wherein the drive gear is disposed about the circumference and along a peripheral edge of the inner rotating structure, and wherein the generators are attached to the outer holding structure such that the drive shaft of each generator is substantially parallel to the rotor shaft with the gear of each drive shaft engaging the drive gear. 8. The system of claim 6, wherein the drive gear is positioned in a plane normal to the rotor shaft and has a first surface and an opposing second surface about the circumference the inner rotating structure, and wherein the plurality of generators comprise paired generators mounted radially about the circumference of the inner rotating structure, wherein a first generator of each pair of generators is mounted with its drive shaft perpendicular to the rotor shaft and with its drive shaft gear engaging the first surface of the drive gear, and wherein the second generator of each pair is mounted with its drive shaft perpendicular to the rotor shaft and with its drive shaft gear engaging the second surface of the drive gear directly opposite to where the drive shaft gear of the first generator of the generator pair engages the first surface of the drive gear. 9. The system of claim 8, wherein each pair of generators are configured to move normal to the drive gear plane such that the drive gears of the generator drive shafts remain engaged with the drive gear sandwiched therebetween if the drive gear wobbles. 10. The system of claim 1, wherein a system voltage of the electrical power provided by the fluid-powered electric generating system ranges from V to a product of V multiplied by N, wherein V is an output voltage of each generator and N is the number of generators attached to the holding structure. 11. The system of claim 10, wherein the output voltage of each generator is less than approximately 1,000 volts and the system voltage is at least 15,000 volts. 12. The system of claim 1, wherein the flowing fluid comprises flowing air. 13. The system of claim 1, wherein the flowing fluid comprises flowing water. 14. A method of generating electricity comprising: positioning a rotor having a plurality of blades attached to a shaft within a flowing fluid; rotating the rotor with the flowing fluid to create a torque on the shaft which rotates the shaft and creates a lift to maintain the rotor within the flowing fluid; rotating an inner rotating structure with the rotating shaft relative to an outer holding structure within which die inner rotating structure is disposed; transmitting torque from the rotating inner structure to a plurality of generators mounted to the outer holding structure via a drive shaft of each generator which engages the rotating inner structure to generate an electrical power. 15. The method of claim 14, including automatically disengaging the drive shaft or each generator from the rotating inner structure with an automatic decoupling mechanism associated with each generator upon the generator becoming inoperable. 16. The method of claim 14, including selectively operating each of the plurality of generators in one of an idle mode, an operating mode, and a decoupled inoperative mode, and providing a desired power output with a portion of the plurality of generators in the operating mode, a portion of the plurality of generators in the idle mode, and a portion of the plurality of generator in the decoupled inoperable mode. 17. The method of claim 14, wherein the flowing fluid comprises flowing aim.
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