Some embodiments of a turbine system described herein provide a turbine that rotates in response to fluid flow, and include a rampart device that remains relatively stationary compared to the turbine and is shaped to affect fluid flow for effective power generation. The rotation of the turbine can d
Some embodiments of a turbine system described herein provide a turbine that rotates in response to fluid flow, and include a rampart device that remains relatively stationary compared to the turbine and is shaped to affect fluid flow for effective power generation. The rotation of the turbine can drive a generator to output electrical energy.
대표청구항▼
1. A turbine system for submersed use in an electrical generation system, comprising: a vertical-axis turbine that rotates about an axis in response to fluid flowing toward the turbine in a flow direction that is generally perpendicular to the axis, the vertical-axis turbine including a upper surfac
1. A turbine system for submersed use in an electrical generation system, comprising: a vertical-axis turbine that rotates about an axis in response to fluid flowing toward the turbine in a flow direction that is generally perpendicular to the axis, the vertical-axis turbine including a upper surface and a plurality of upwardly protruding fins extending from an outer region proximate an outer periphery of the vertical-axis turbine; anda rampart device positioned at least partially under the vertical-axis turbine and configured to remain generally stationary during rotation of the vertical-axis turbine, the rampart device including a front region and a tail region, at least a portion of the front region extending to a vertical height greater than an outer periphery of the vertical-axis turbine, and a turbine-receiving region defined at least in part by a curved wall having a height that is greater near the front region than at the tail region. 2. The turbine system of claim 1, wherein at least a portion of the front region of the rampart device extends to a vertical height greater than an uppermost portion of the vertical-axis turbine when positioned for use. 3. The turbine system of claim 2, wherein the uppermost portion of the vertical-axis turbine is a ridge of a fin. 4. The turbine system of claim 1, wherein the front region of the rampart device comprises an upwardly sloping surface extending between a leading edge of the rampart device and an uppermost portion of the rampart device. 5. The turbine system of claim 1, wherein the turbine-receiving region of the rampart device defines a recess, the vertical-axis turbine positionable at least partially within the recess. 6. A turbine system for submersed use in an electrical generation system, comprising: a vertical-axis turbine that rotates about an axis in response to fluid flowing toward the turbine in a flow direction that is generally perpendicular to the axis, the vertical-axis turbine including a upper surface and a plurality of upwardly protruding fins extending from an outer region proximate an outer periphery of the vertical-axis turbine; anda rampart device positioned at least partially under the vertical-axis turbine and configured to remain generally stationary during rotation of the vertical-axis turbine, the rampart device including a front region, at least a portion of the front region extending to a vertical height greater than an outer periphery of the vertical-axis turbine;wherein the rampart device further comprises a tail region and a turbine-receiving region positioned at least partially between the front region and the tail region;wherein the turbine-receiving region of the rampart device defines a recess, the vertical-axis turbine positionable at least partially within the recess; andwherein the recess is defined at least in part by a curved wall having a height that is greater near the front region than at the tail region. 7. The turbine system of claim 6, wherein the curved wall comprises an aperture extending through the wall between an interior of the recess and an exterior of the rampart device. 8. The turbine system of claim 1, wherein the rampart device is asymmetric about the vertical axis. 9. The turbine system of claim 1, wherein the rampart device comprises a tail portion having an upwardly facing major surface, at least a portion of the upwardly facing major surface positioned below an outer periphery of the vertical-axis turbine. 10. The turbine system of claim 1, wherein at least the front region and turbine-receiving region of the rampart device are an integrally formed, unitary structure. 11. The turbine system of claim 1, wherein the upwardly protruding fins of the vertical-axis turbine extend to a vertical height greater than an uppermost portion of the upper surface. 12. The turbine system of claim 1, wherein the vertical-axis turbine includes a continuously solid upward facing surface having a generally circular outer periphery. 13. The turbine system of claim 1, wherein the upper surface and upwardly protruding fins are an integrally formed, unitary structure. 14. The turbine system of claim 1, wherein the fins are fixedly positioned relative to the upper surface. 15. The turbine system of claim 1, wherein each fin includes opposite convex and concave surfaces, and both of the convex and concave surfaces are upwardly facing surfaces. 16. The turbine system of claim 1, further comprising a base structure positioned below the vertical-axis turbine and including one or more anchor legs extending away from the vertical-axis turbine. 17. The turbine system of claim 1, further comprising a drive shaft extending from the vertical-axis turbine to an electrical generator component. 18. The turbine system of claim 1, wherein the upper surface comprises a convex surface. 19. The turbine system of claim 1, further comprising an electrical generator positioned to generate power in response to rotation of the vertical-axis turbine. 20. The turbine system of claim 19, wherein the electrical generator is electrically connected to an onshore electronics system that conditions electrical power for output to an external power grid. 21. A method of using a turbine system for generating electrical power from fluid flow, comprising: positioning a turbine and rampart device underwater, the turbine including a continuously solid upward facing surface and a plurality of upwardly protruding fins extending from an outer region proximate an outer periphery of the turbine, the rampart device positioned at least partially under the turbine and configured to remain generally stationary during rotation of the turbine, the rampart device including a front region and a tail region, at least a portion of the front region extending to a vertical height greater than an outer periphery of the turbine, and a turbine-receiving region defined at least in part by a curved wall having a height that is greater near the front region than at the tail region; andgenerating electrical power in response to rotation of the turbine caused by water flowing over the rampart device and turbine and interacting with the plurality of fins. 22. The method of claim 21, wherein the turbine is a vertical-axis turbine configured to rotate about a vertical axis in response to fluid flowing toward the turbine in a flow direction that is generally perpendicular to the vertical axis. 23. The method of claim 21, wherein at least a portion of the front region of the rampart device extends to a vertical height greater than an uppermost portion of the turbine when positioned for use. 24. A turbine system for use in an electrical generation system, comprising: a turbine that rotates about a vertical axis in response to fluid flowing toward the turbine in a flow direction that is generally perpendicular to the vertical axis, the turbine including a upper surface and a plurality of upwardly protruding fins extending from an outer region proximate an outer periphery of the turbine, the upper surface and fins forming a continuously solid upward facing surface, and the upwardly protruding fins extend to a height greater than an uppermost portion of the upper surface;a rampart device positioned at least partially under the turbine and configured to remain generally stationary during rotation of the turbine, the rampart device including a front region and a tail region, at least a portion of the front region extending to a vertical height greater than the upwardly protruding fins, and a turbine-receiving region defined at least in part by a curved wall having a height that is greater near the front region than at the tail region;an electrical generator connected with the turbine so as to generate electrical power in response to rotation of the turbine; andan onshore electronics system electrically connected to the electrical generator that conditions electrical power for output to an external power grid. 25. The system of claim 24, wherein the turbine is a vertical-axis turbine configured to rotate about a vertical axis in response to fluid flowing toward the turbine in a flow direction that is generally perpendicular to the vertical axis. 26. The system of claim 24, wherein at least a portion of the front region of the rampart device extends to a vertical height greater than an uppermost portion of the turbine when positioned for use. 27. The system of claim 24, wherein the upwardly protruding fins of the turbine extend to a vertical height greater than an uppermost region of the upper surface. 28. The system of claim 24, wherein each fin includes opposite convex and concave surfaces, and both of the convex and concave surfaces are upwardly facing surfaces. 29. The turbine system of claim 1, wherein the curved wall comprises an aperture extending through the wall between an interior of the recess and an exterior of the rampart device.
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