An energy conversion system may include a stationary structure, a rotatable structure configured to rotate relative to the stationary structure, wherein the rotatable structure defines an axis of rotation. The system may further include at least one blade member mounted to and extending radially out
An energy conversion system may include a stationary structure, a rotatable structure configured to rotate relative to the stationary structure, wherein the rotatable structure defines an axis of rotation. The system may further include at least one blade member mounted to and extending radially outward from the rotatable structure, the at least one blade member being configured to interact with fluid currents flowing in a direction substantially parallel to the axis of rotation to cause the rotatable structure to rotate about the axis of rotation, and at least one bearing mechanism disposed to provide at least one of a radial and axial bearing between the rotatable structure and the stationary structure as the rotatable structure rotates about the stationary structure. The system may be configured to convert rotation of the rotatable structure to at least one of electricity and hydrogen production.
대표청구항▼
1. An energy conversion system comprising: a stationary structure;a rotatable structure configured to rotate relative to the stationary structure, the rotatable structure defining an axis of rotation;at least one blade member mounted to and extending radially outward from the rotatable structure, th
1. An energy conversion system comprising: a stationary structure;a rotatable structure configured to rotate relative to the stationary structure, the rotatable structure defining an axis of rotation;at least one blade member mounted to and extending radially outward from the rotatable structure, the at least one blade member being configured to interact with fluid currents flowing in a direction substantially parallel to the axis of rotation to cause the rotatable structure to rotate about the axis of rotation; andat least one magnetic bearing mechanism disposed to provide a magnetic axial restoring force between the rotatable structure and the stationary structure as the rotatable structure rotates about the stationary structure, the at least one magnetic bearing mechanism comprising a first magnetic bearing mechanism component disposed on the rotatable structure and a second magnetic bearing mechanism component disposed on the stationary structure,wherein axial displacement of the first and second magnetic bearing mechanism components with respect to each other, during rotation of the rotatable structure relative to the stationary structure, generates a magnetic field between the magnetic bearing mechanism components, the magnetic field providing the magnetic axial restoring force to counteract the flow of the fluid currents,wherein the system is configured to convert rotation of the rotatable structure to at least one of electricity and hydrogen production. 2. The energy conversion system of claim 1, further comprising at least one additional bearing mechanism chosen from at least one of hydraulic bearing mechanisms and roller bearing mechanisms. 3. The energy conversion system of claim 1, wherein the first magnetic bearing mechanism component comprises an electrical conductor and the second magnetic bearing mechanism component comprises a magnet array. 4. The energy conversion system of claim 1, wherein each of the first and second magnetic bearing mechanism components comprises a plurality of magnets substantially arranged in a Halbach type array. 5. The energy conversion system of claim 1, wherein the displacement of the first and second magnetic bearing mechanism components creates radial air gap fields to generate an alignment force between the first and second magnetic bearing mechanism components. 6. A method of converting fluid current movement to another form of energy, the method comprising: placing an energy conversion system in a fluid body, the energy conversion system comprising: a stationary structure;a rotatable structure configured to rotate relative to the stationary structure, the rotatable structure defining an axis of rotation; andat least one magnetic bearing mechanism comprising a first magnetic bearing mechanism component disposed on the rotatable structure and a second magnetic bearing mechanism component disposed on the stationary structure;orienting the energy conversion system in the fluid body so that fluid currents in the fluid body flow in a direction substantially parallel to the axis of rotation and cause rotation of the rotatable structure, wherein, during rotation of the rotatable structure, axial displacement of the first magnetic bearing mechanism component with respect to the second magnetic bearing mechanism component generates a magnetic field between the magnetic bearing mechanism components, the magnetic field providing a magnetic axial restoring force between the rotatable structure and the stationary structure to counteract the flow of the fluid currents. 7. The method of claim 6, wherein magnetic bearing mechanism components comprises a plurality of magnets arranged in a Halbach type array. 8. The method of claim 6, wherein the displacement of the first and second magnetic bearing mechanism components creates radial air gap fields to generate an alignment force between the first and second magnetic bearing mechanism components. 9. The method of claim 6, wherein the energy conversion system further comprises at least one blade member mounted to and extending radially outward from the rotatable structure, and wherein the fluid currents interact with the at least one blade member to cause rotation of the rotatable structure. 10. The method of claim 6, wherein placing the energy conversion system in the fluid body comprises placing the energy conversion system in a river, ocean, or lake. 11. The system of claim 1, wherein the at least one blade member is configured to interact with tidal currents. 12. The system of claim 1, wherein the at least one blade member is configured to interact with currents in a river, ocean, or lake. 13. The system of claim 1, wherein the energy conversion system is an open-center conversion system. 14. The system of claim 1, wherein the rotatable structure is rotatably mounted around an outer periphery of the stationary structure. 15. The method of claim 6, wherein the first magnetic bearing mechanism component comprises an electrical conductor and the second magnetic bearing mechanism component comprises a plurality of magnets arranged in a Halbach type array. 16. The method of claim 15, wherein the electrical conductor comprises a plurality of electrical conductors mounted intermittently on the rotatable structure, and wherein a coil is mounted on the stationary structure, the method further comprising generating electricity by moving the electrical conductors relative to the coil during rotation of the rotatable structure. 17. The system of claim 3, wherein the electrical conductor comprises a steel C-core or a steel yoke. 18. The system of claim 1, wherein the rotatable structure and the stationary structure are closed-looped structures. 19. The system of claim 1, wherein the axial displacement between the first magnetic bearing mechanism component and the second magnetic bearing mechanism component occurs in response to forces exerted by the fluid currents. 20. The method of claim 6, wherein forces exerted by the fluid currents cause the axial displacement between the first magnetic bearing mechanism component and the second magnetic bearing mechanism component.
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