An underwater hydro-electric farm comprising a plurality of electrical generator assemblies arranged in an array on a bottom surface of a body of water within an ocean current path to take generate power from a kinetic energy caused by the flow of the underwater current. Each assembly is installed i
An underwater hydro-electric farm comprising a plurality of electrical generator assemblies arranged in an array on a bottom surface of a body of water within an ocean current path to take generate power from a kinetic energy caused by the flow of the underwater current. Each assembly is installed in a cradle, which is anchored with a pile driven system to the bottom surface. Each assembly is a modular system allowing for easy swapping out of an assembly under water. Generated power is transmitted to a land based facility directly to or through an intermediate transfer station. Generator portion may have internally or externally supported field windings. Various configurations of propellers may be used, some with channels or solid vanes and another being a spiral shaped propeller. All water exposed surfaces of the generator and propeller portions are coated with a non-conductive, heat dissipating, anti-fouling and water specific protective coating.
대표청구항▼
I claim: 1. An underwater hydro-electric farm comprising: a plurality of electrical generator assemblies, each electrical generator assembly including a turbine blade/propeller assembly, the electrical generator assemblies being arranged in a predetermined array on a bottom surface of a body of wat
I claim: 1. An underwater hydro-electric farm comprising: a plurality of electrical generator assemblies, each electrical generator assembly including a turbine blade/propeller assembly, the electrical generator assemblies being arranged in a predetermined array on a bottom surface of a body of water; the plurality of electrical generator assemblies further being located and aligned so that the turbine blade/propeller assemblies are caused to rotate as a result of being subjected to a kinetic energy caused by a flow of an underwater current; a cradle for each of the electrical generator assemblies, each cradle being anchored to the bottom surface of the body of water; means for anchoring each cradle to the bottom surface of the body of water; each of the plurality of electrical generator assemblies being removably securable in its corresponding cradle; each cradle having means for removably securing the electrical generator assembly to be installed on or removed from the cradle, said means for removably securing the electrical generator assembly including means for readily changing out a damaged electrical generator assembly while underwater; each of the plurality of electrical generator assemblies being in electrical communication with each other; and power transmission lines routed from the underwater hydro-electric farm to a land based facility having means for converting power generated by the hydro-electric farm for use in land based electric power grids; wherein each of the plurality of electrical generator assemblies is self contained and modular in configuration such that any of the electrical generator assemblies, including its coupled turbine blade/propeller assembly, is replaceable with another electrical generator assembly as a combined unit. 2. The underwater hydro-electric farm according to claim 1, wherein the body of water is the ocean. 3. The underwater hydro-electric farm according to claim 1, wherein the cradle is one of: essentially a solid structure made from material selected from a group consisting of concrete, corrosion resistant metal material, composite polymeric material and combinations of said materials; and open web structural assembly made from material selected from a group consisting of corrosion resistant steel, steel coated for corrosion resistance, composite polymeric material and combinations of said materials. 4. The underwater hydro-electric farm according to claim 1, wherein the bottom of the body of water upon which the plurality of electrical generator assemblies comprising the hydro-electric farm is located, has a sloped topography, a generally flat topography or a combination of said sloped and generally flat topographies. 5. The underwater hydro-electric farm according to claim 1, wherein the means for anchoring each cradle to the bottom surface of the body of water comprises a pile anchoring system. 6. The underwater hydro-electric farm according to claim 1, wherein the plurality of electrical generator assemblies are configured in a staggered array and spaced-apart such that a flow resumption point at which the flow of water closes back on itself after passing one of the electrical generator assemblies, is in front of another of the electrical generator assemblies aligned behind said one of the electrical generator assemblies. 7. The underwater hydro-electric farm according to claim 1, wherein the bottom of the body of water on which the plurality of electrical generator assemblies are located, is at a predetermined minimum depth. 8. The underwater hydro-electric farm according to claim 1, wherein the power transmission lines are routed through a conduit, which has been directionally drilled starting from a predetermined land based location, angularly beneath a ground surface of the land based location and extending beneath the bottom surface of the body of water, and exiting the bottom surface of the body of water at a predetermined distance from the hydro-electric farm. 9. The underwater hydro-electric farm according to claim 1, further comprising: one or more intermediate junction transfer stations located between the hydro-electric farm and the land based facility, each of the one or more junction transfer stations having means for regulating, converting and configuring the power generated by the hydro-electric farm for long distance transmission to the land based facility. 10. The underwater hydro-electric farm according to claim 9, wherein each of the one or more intermediate junction transfer stations is one of: above the water line and structurally supported from the bottom of the body of water; submersed completely below the water; semi-submersed, partially in and partially above the water; and a combination of any of the above. 11. The underwater hydro-electric farm according to claim 1, wherein surfaces of components exposed to the water for each electric generator assembly, including its corresponding turbine blade/propeller assembly, are coated with a protective coating comprising one or more composite layers of a non-conductive coating to provide non-conductivity of large electrical voltages, a heat dissipating coating, an anti-fouling coating and a water specific protective coating, including a combination composite layer of any combination of said non-conductive coating, heat dissipating coating, anti-fouling coating and water specific coating. 12. The underwater hydro-electric farm according to claim 1, wherein the electric generator assembly includes field windings which are internally supported with two or more support rings, one support ring located near a base of each of the field windings and the remaining support rings located at an intermediate position, and wherein each of the adjacent support rings coupled to adjacent field windings are structurally interconnected to each other with a support ring connector and each of the support ring connectors attached to the support rings located at the base and the intermediate position of adjacent field windings are further structurally interconnected with a radially directed support connector. 13. The underwater hydro-electric farm according to claim 1, wherein the electric generator assembly includes a brush-less rotator assembly, the brush-less rotator assembly comprising: a transmitting ring around the turbine blade/propeller shaft, the transmitting ring having circumferentially spaced-apart transmit nodes; a reception ring having circumferentially spaced-apart reception nodes, said reception nodes being connected to reception tabs which are embedded into windings of electromagnets of a rotator electromagnet assembly of the electric generator assembly; and a protective spacer ring circumferentially located between the transmitting ring and the reception ring, the protective spacer ring having circumferentially spaced-apart apertures aligned with the transmit nodes and the reception nodes, wherein electrical charges required for the electromagnets to maintain their polarity is fired between the transmitting nodes and the reception nodes through the protective spacer ring apertures letting the water provide the electrical connection between, and wherein the water can flow through the electric generator assembly between the rotator electromagnet assembly and a stator field winding assembly and through spaces in each of said rotator electromagnet assembly and said stator field winding assembly. 14. The underwater hydro-electric farm according to claim 1, wherein the electric generator assembly includes: an externally supported stator field wound electric generator comprising an external shell enveloping field windings of the electric generator, the external shell supporting and being fastened to said field windings, and the external shell further having openings in said external shell, wherein the water can flow through the electric generator assembly between a rotator electromagnet assembly portion of the electric generator and the field winding assembly, through spaces in each of said rotator electromagnet assembly and said stator field winding assembly and through the openings in the external shell. 15. The underwater hydro-electric farm according to claim 1, wherein said electrical generator assembly further comprises: a cradle rotational shaft mounting module on each side of an electrical generator portion of the electrical generator assembly, each mounting module including a mounting module release mechanism which secures a turbine blade/propeller shaft of the electrical generator assembly to the cradle; a shaft rotational gear up unit located adjacent one of said mounting modules on a turbine blade/propeller assembly side of the electrical generator assembly; and a rotational shaft stabilizer mounted on the shaft and on both sides of the electrical generator portion of the electrical generator assembly, wherein the mounting module, the shaft rotational gear up unit and the rotational shaft stabilizer are in contact with the turbine blade/propeller shaft of the electrical generator assembly. 16. The underwater hydro-electric farm according to claim 15, wherein said electrical generator assembly further comprises: a plurality of magnetic force support points mounted along the turbine blade/propeller shaft as required to support the turbine blades/propellers and turbine blade/propeller shaft, the gear up unit and a rotator assembly of the electrical generator portion of the electrical generator assembly. 17. The underwater hydro-electric farm according to claim 16, wherein said plurality of magnetic force support points each comprise: an outer electromagnetic ring having an induced electromagnetic polarity; an outer ring magnet control and power wiring; an inner electromagnetic ring having an induced electromagnetic polarity; a water passage between the outer and inner electromagnetic rings; inner ring control wiring; and a turbine blade/propeller shaft coupler, wherein the shaft stabilizer units and the rotational shaft mounting module capture the outer ring's electromagnets and holds them in place, and wherein the induced polarities of the inner and outer rings creates a polarity of an inner side of the outer ring which is the same as a polarity of an outer side of the inner ring. 18. The underwater hydro-electric farm according to claim 1, wherein the turbine blade/propeller assembly includes blade propellers formed as an open weave bladed windmill arrangement, the blade propellers further having directional enhancers along a perimeter of each blade propeller, the weave arrangement comprising structural channels that direct the water in an altered direction as the water passes through and over a face of each channel, so as to give the blade propellers a rotational force, wherein each blade propeller is positioned in relationship with a neighboring blade propeller so as to overlap each other. 19. The underwater hydro-electric farm according to claim 1, wherein the turbine blade/propeller assembly includes two or more layers of three or more blade propellers, each blade propeller being pitched and having an open weave arrangement comprising structural channels that direct the water in an altered direction as the water passes through and over a face of each channel, so as to give the blade propellers a rotational force, wherein each blade propeller is positioned in relationship with a neighboring forward or aft blade propeller so as to overlap each other. 20. The underwater hydro-electric farm according to claim 1, wherein the turbine blade/propeller assembly includes blade propellers arranged in a conventional box blade weave arrangement, a protective circular cage around the turbine blade/propeller assembly, the circular cage having openings serving as means for directing the flow of water against the blade propellers, structural channels in each blade propeller that direct the water in an altered direction as the water passes through and over a face of each channel, so as to give the blade propellers a rotational force, wherein each blade propeller is positioned in relationship with a neighboring blade propeller so as to overlap each other. 21. The underwater hydro-electric farm according to claim 1, wherein the turbine blade/propeller assembly includes a plurality of solid vane propellers arranged in a conventional fan arrangement, a protective circular cage around the turbine blade/propeller assembly, the circular cage having openings serving as means for directing the flow of water against the blade propellers. 22. The underwater hydro-electric farm according to claim 1, wherein the turbine blade/propeller assembly comprises a skeletal spiral turbine rotational assembly, said spiral turbine rotational assembly formed in an increasing spiral form from a center point on a rotational shaft of the electrical generator assembly and spiraling radially outward toward the electrical generator portion of the electrical generator assembly and ending in a circular shaped outer edge, the spiral form further being angled to optimally direct the flow of water toward the outer edge of the spiral form thereby converting a directed force of the flow of water into rotational movement of the spiral turbine rotational assembly, the spiral turbine rotational assembly further having spaced-apart longitudinal support rods extending from the outer edge to an intermediate portion of the spiral form and spaced-apart support cables extending from the outer edge to an attachment location adjacent the center point, the longitudinal support rods and the support cables in combination forming a directional weave to direct the flow of water toward the spiral form and the outer edge. 23. The underwater hydro-electric farm according to claim 1, wherein the turbine blade/propeller assembly includes a plurality of three bladed turbine propellers, each three bladed turbine propeller being in a staggered arrangement from the other three bladed turbine propellers, and each propeller being formed in a conventional wind turbine design.
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