Integrated hydroelectric power-generating system and energy storage device
First Claim
Patent Images
1. Hydroelectric power-generating apparatus comprising:
- a fluid inlet;
a diffuser having (1) at least one vane supporting a diffuser hub and (2) a rotor rotatably supported by the diffuser hub and having;
(a) impeller blades;
(b) an impeller hub; and
(c) a shroud at the periphery of the rotor, the shroud including at least one magnet mounted thereto; and
a housing surrounding the shroud and having a rigidly-attached stator, the stator comprising a plurality of stator segments, each segment including laminations and at least one electrical coil,whereby a flow of fluid through the diffuser and rotor causes the rotation of the rotor and the at least one magnet induces an electric current in the coils.
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Accused Products
Abstract
A hydroelectric power-generating apparatus comprising: (1) a fluid inlet, (2) a diffuser having (a) at least one vane supporting a diffuser hub and (b) a rotor rotatably supported by the diffuser hub and having (i) impeller blades, (ii) an impeller hub, and (iii) a shroud at the periphery of the rotor, the shroud including at least one magnet, and (3) a housing surrounding the shroud and having a rigidly-attached stator including laminations and at least one electrical coil, whereby a flow of fluid through the diffuser and rotor causes the rotation of the rotor and the at least one magnet induces an electric current in the at least one coil.
30 Citations
17 Claims
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1. Hydroelectric power-generating apparatus comprising:
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a fluid inlet; a diffuser having (1) at least one vane supporting a diffuser hub and (2) a rotor rotatably supported by the diffuser hub and having;
(a) impeller blades;
(b) an impeller hub; and
(c) a shroud at the periphery of the rotor, the shroud including at least one magnet mounted thereto; anda housing surrounding the shroud and having a rigidly-attached stator, the stator comprising a plurality of stator segments, each segment including laminations and at least one electrical coil, whereby a flow of fluid through the diffuser and rotor causes the rotation of the rotor and the at least one magnet induces an electric current in the coils. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A hydroelectric power-generating system including a plurality of hydroelectric power-generating devices placed in series in a penstock which directs fluid from an upstream fluid level through the hydroelectric power-generating devices downstream, each device having:
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a fluid inlet; a diffuser having (1) at least one vane supporting a diffuser hub and (2) a rotor rotatably supported by the diffuser hub and having;
(a) impeller blades;
(b) an impeller hub; and
(c) a shroud at the periphery of the rotor, the shroud carrying at least one magnet; anda housing surrounding the shroud and having a rigidly-attached stator, the stator comprising a plurality of stator segments, each segment including laminations and at least one electrical coil, whereby a flow of fluid through the diffusers and rotors causes the rotation of the rotors and the magnets, thereby inducing an electric current in the coils.
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14. Hydroelectric power-generating apparatus comprising:
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a fluid inlet; a diffuser having (1) at least one vane supporting a diffuser hub and (2) a rotor rotatably supported by the diffuser hub and having;
(a) impeller blades;
(b) an impeller hub; and
(c) a shroud at the periphery of the rotor, the shroud including at least one magnet mounted thereto;a housing surrounding the shroud and having a rigidly-attached stator including laminations and at least one electrical coil; and an electronic commutation controller connected to the at least one coil and configured to maximize generator output as fluid flow through the apparatus varies, whereby fluid flow causes rotation of the rotor, the at least one magnet induces an electric current in the at least one coil.
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15. Hydroelectric power-generating apparatus comprising:
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a fluid inlet; a diffuser having (1) at least one vane supporting a diffuser hub and (2) a rotor rotatably supported by the diffuser hub and having;
(a) impeller blades;
(b) an impeller hub; and
(c) a shroud at the periphery of the rotor, the shroud including at least one magnet mounted thereto;a housing surrounding the shroud and having a rigidly-attached stator including laminations and at least one electrical coil; and an electronic commutation controller connected to the at least one coil and configured to switch from a power-generation mode to an electric-motor mode, thereby changing the turbine into a pump.
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16. Hydroelectric power-generating apparatus comprising:
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a fluid inlet; a diffuser having (1) at least one vane supporting a diffuser hub and (2) a rotor rotatably supported by the diffuser hub and having;
(a) impeller blades;
(b) an impeller hub; and
(c) a shroud at the periphery of the rotor, the shroud including at least one magnet mounted thereto;a housing surrounding the shroud and having a rigidly-attached stator including laminations and at least one electrical coil; and an electronic commutation controller connected to the at least one coil and configured to enable power generation when fluid flows in one direction and fluid pumping in the opposite direction when electric power is applied.
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17. Hydroelectric power-generating apparatus comprising:
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a fluid inlet; a diffuser having (1) at least one vane supporting a diffuser hub and (2) a rotor rotatably supported by the diffuser hub, the rotor comprising a plurality of rotor segments each having one or more impeller blades;
(b) an impeller hub; and
(c) a shroud at the periphery of the rotor, the shroud including at least one magnet mounted thereto; anda housing surrounding the shroud and having a rigidly-attached stator including laminations and at least one electrical coil, whereby fluid flow causes rotation of the rotor, the at least one magnet induces an electric current in the coils.
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Specification