WO2015175535A1 - Composants pour turbines hydroélectriques - Google Patents

Composants pour turbines hydroélectriques Download PDF

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Publication number
WO2015175535A1
WO2015175535A1 PCT/US2015/030373 US2015030373W WO2015175535A1 WO 2015175535 A1 WO2015175535 A1 WO 2015175535A1 US 2015030373 W US2015030373 W US 2015030373W WO 2015175535 A1 WO2015175535 A1 WO 2015175535A1
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WO
WIPO (PCT)
Prior art keywords
rotor
turbine
stator
blade
hydroelectric turbine
Prior art date
Application number
PCT/US2015/030373
Other languages
English (en)
Inventor
Daniel E. POWER
Ned HANSEN
Original Assignee
Oceana Energy Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oceana Energy Company filed Critical Oceana Energy Company
Publication of WO2015175535A1 publication Critical patent/WO2015175535A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/061—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially in flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/50—Bearings
    • F05B2240/54—Radial bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
    • F05B2240/931—Mounting on supporting structures or systems on a structure floating on a liquid surface which is a vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/97—Mounting on supporting structures or systems on a submerged structure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/40—Movement of component
    • F05B2250/41—Movement of component with one degree of freedom
    • F05B2250/411—Movement of component with one degree of freedom in rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/83—Testing, e.g. methods, components or tools therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Definitions

  • the present disclosure relates generally to turbines, and more particularly, components for hydroelectric turbines.
  • a hydroelectric turbine can be used to generate electricity from the current in any moving body of water (e.g., a river or ocean current) or fluid source. Electricity generation using such turbines (which convert energy from fluid currents) is generally known. An example of such a turbine is described, for example, in U.S. Publication No. 2012/021 1990, entitled “Energy Conversion Systems and Methods," which is incorporated by reference in its entirety herein. Such turbines can, for example, act like underwater windmills, and have a relatively low cost and ecological impact. In various hydroelectric turbines, for example, fluid flow interacts with blades that rotate about an axis and that rotation is harnessed to thereby produce electricity or other forms of energy.
  • River hydroelectric turbines can, however, pose various challenges related to the turbulent nature of the one-directional (i.e., uni-directional) river flow, which produces non-steady input/output and can accelerate fatigue issues. Furthermore, various additional challenges may arise with regard to protecting such turbines from floating debris carried by the river, and supporting and anchoring such turbines within the river.
  • a hydroelectric turbine having a configuration and blade design suited for the uni-directional flow of a river, which is also easily reconfigured to adjust for the widely variable speeds of river currents. It also may be desirable to provide a blade design that may deflect debris away from the turbine structure. It may further be desirable to provide a support structure to anchor the turbine in a stationary position within a river.
  • a hydroelectric turbine may include a stator comprising an electricity generating portion having coils and a rotor supported relative to the stator and configured to rotate relative to the stator about an axis of rotation.
  • the turbine may also include a plurality of magnets arranged so as to generate electricity in the coils as the rotor rotates relative to the stator.
  • the turbine may further include a plurality of first blade portions and second blade portions supported on the rotor. Each first blade portion may be radially outside of a circumference of the rotor and each second blade portion may be radially within the circumference of the rotor. Each blade portion may be angled in a tangential direction and angled downstream in an axial direction.
  • an anchoring system for a hydroelectric turbine may include a turbine.
  • the turbine may include a stator, a rotor supported relative to the stator and configured to rotate relative to the stator about an axis of rotation, and a plurality of blades supported on the rotor.
  • the anchoring system may also include a tri-frame bottom portion. The bottom portion may include at least three anchor feet and at least three support beams, each support beam connecting an adjacent pair of the anchor feet.
  • the anchoring system may further include a bridge.
  • the bridge may include first and second ends and a support ring disposed between the first and second ends. Each of the first and second ends may be connected to the tri-frame bottom portion and the support ring may be configured to support the stator of the turbine thereon.
  • FIG. 1 is a front perspective view of an exemplary embodiment of a hydroelectric turbine in accordance with the present disclosure
  • FIG. 2 is a side perspective view of the turbine of FIG. 1 ;
  • FIG. 3 is an enlarged, partial perspective view of the turbine of FIG. 1 , with the cowling removed to show the fin block;
  • FIG. 4 is a front view of the turbine of FIG. 1 ;
  • FIG. 5 is a cross-sectional view of the turbine of FIG. 1 taken through line 5-5 of FIG. 4;
  • FIG. 6 is an enlarged, partial view of the cross-section of FIG. 5;
  • FIG. 7 is a side perspective view of the turbine of FIG. 1 with an exemplary embodiment of an anchoring system in accordance with the present disclosure;
  • FIG. 8 is a front perspective view of the turbine and anchoring system of FIG. 7;
  • FIG. 9 is a schematic side view of the turbine of FIG. 1 deployed from a barge in accordance with various exemplary embodiments of the present disclosure.
  • FIG. 1 0 is a graph illustrating the power output of a test turbine in accordance with the present disclosure
  • FIG. 1 1 is a graph illustrating the rotational speed of a test turbine in accordance with the present disclosure.
  • FIG. 1 2 is a graph illustrating the power output of a test turbine in accordance with the present disclosure as a function of river current.
  • blades (hydrofoils) of a hydroelectric turbine may be configured to optimize the collection of flow energy from a continuous, one-directional (i.e., unidirectional), freely flowing current like that found in rivers and some ocean currents.
  • the blades in accordance with the present disclosure can be configured to maximize total energy collection from a one-directional flow.
  • one-directional or uni-directional flow refer to currents through a hydroelectric turbine, which may have some differing directional components, but in which the overall movement during the majority of normal operation of the turbine is in a single direction.
  • such flows are, for example upstream to downstream (or upriver to downriver), rather than in two generally opposite directions, as with the ebb and flow of a tidal current.
  • a hydroelectric turbine may include design features that optimize, or at least improve, the ability of the turbine to: (1 ) collect a continuous, one-directional, freely flowing current in the body of water (e.g., a river or ocean) ; (2) minimize, or at least reduce, the possibility of impact with debris; (3) rid itself of debris that may impact the turbine, and/or (4) hold the turbine assembly in the current while minimizing, or at least reducing, the amount of materials for the turbine.
  • Such features include the design and configuration of the blades (hydrofoils) of the turbine and an anchoring system for the turbine.
  • FIGS. 1 -6 show an exemplary embodiment of a hydroelectric turbine 1 00 in accordance with the present disclosure.
  • the turbine 1 00 includes a plurality of blades 1 02, wherein each of the blades 1 02 is swept backwards in both a tangential direction and an axial direction (e.g., in a direction of the flow F) to reduce the likelihood that debris in the flowing current F may impact the blades 1 02 (e.g., a direct impact with high force along the axial direction).
  • a direct impact with high force along the axial direction e.g., a direct impact with high force along the axial direction.
  • each blade 1 02 when viewing the turbine 1 00 from the front, each blade 1 02 can be angled from its base 1 03 to its tips 1 05 (free ends) in a direction opposite to the direction of rotation of the turbine 100 (e.g., counterclockwise rotation in the embodiment illustrated in FIGS. 1 -6). Moreover, such a configuration can enable the flow energy over the blade 1 02 to drive the debris along the surface of the blade and eventually off of the blade 1 02. In this manner, each blade 1 02 can be swept backwards away from the axial flow of the force energy, which may place the center of forces on the blade 1 02 closer to each side of a support or bearing system of a rotor 1 1 0 of the turbine 1 00 (see FIG. 5). It can also serve to better stabilize the forces to be contained by the bearing and enable less material to be used in manufacturing the support or bearing system.
  • This swept back blade design may, therefore, help the flow energy in a one-directional current to guide debris through the turbine 1 00 with only a glancing blow to the surface of one or more of the blades 102, where the debris may
  • the angling of the blades 102 in the tangential and axial directions allows the blades 102 to have a reduced profile ⁇ e.g., relative to a blade oriented with its lateral surface more perpendicular to the flow) within the current to minimize the chance of a head-on collision with debris, while also allowing the current to sweep the blades 102 of any debris that may come into contact with the blades 102.
  • FIGS. 1 -6 are exemplary only and that the turbine 100 may have various arrangements, numbers, and/or configurations of blades 102, having various angles in the tangential and axial directions, which create various blade profiles, without departing from the scope of the present disclosure and claims.
  • each blade 102 can be coupled to a rotor 1 10 having magnets 1 14 embedded within or attached thereto.
  • the rotor 1 10 can be rotatably supported relative to a stator 1 12, which supports one or more coils 1 16 for generating electricity.
  • fluid current forces on the blades 102 may cause rotation of the rotor 1 10 with respect to the stator 1 12.
  • movement of the magnets 1 14 in the rotor 1 10 past the coils 1 16 in the stator 1 12 during the rotation may result in generation of electricity in the coils 1 14.
  • Drag forces parallel to the direction of flow F and an axis of rotation A (see FIG. 1 ) of the rotor 1 10 may, however, act to axially displace the rotor 1 10 with respect to the stator 1 12.
  • the turbine 100 may also be configured to counteract axial displacement forces on the rotor 1 10.
  • the turbine 100 may further include an arrangement of permanent magnets 1 1 6, 1 1 8 arranged, for example, in a partial Halbach array.
  • the permanent magnets 1 16, 1 1 8 can be replaced with other bearing mechanisms, such as, but not limited to, rollers (not shown) and water lubricated bearings made of wood or composite materials, such as, for example, a wood composite as commercially available from Lignum- Vitae North America of Powhatan Virginia.
  • bearing mechanisms such as, but not limited to, rollers (not shown) and water lubricated bearings made of wood or composite materials, such as, for example, a wood composite as commercially available from Lignum- Vitae North America of Powhatan Virginia.
  • Such embodiments contemplate, for example, using a pattern of intermeshing teeth (e.g., between the rotor and Lignum- Vitae bearing) to contain the axial forces of the turbine.
  • one or more rollers 1 20, 1 22 can be disposed on or in the stator 1 1 2 and/or the rotor 1 1 0 for rotatably supporting the rotor 1 1 0 on the stator 1 1 2 (i.e., to radially support the rotor 1 1 0 with respect to the stator 1 1 2).
  • each roller 1 20, 1 22 can be mounted at a first end of a respective arm 124, with an opposite second end of the respective arm 1 24 attached to the stator 1 1 2.
  • the arms 1 09 may, for example, extend around a circumference of the rotor 1 1 0 and allow for the adjustment of the rotor 1 10's position with respect to the stator 1 1 2.
  • an adjustment mechanism 1 26, such as, for example, a jack screw can interact with the arm 1 24 or a respective roller 1 20, 1 22 to center the rotor 1 1 0 with respect to the stator 1 12.
  • the turbine 1 00 may have twelve rollers 1 20 and twelve rollers 1 22 to support the rotor 1 1 0 on the stator 1 1 2.
  • the rotor 1 1 0 and stator 1 1 2 together form a support ring 1 50 for the blades 102, with the power generation and bearing systems integrated within the support ring 1 50.
  • the rotor 1 1 0 may include the blades 1 02 and form an inner portion of the support ring 1 50, while the stator 1 1 2 forms an outer portion of the support ring 1 50.
  • the ring 1 50 may provide intermediary support for the blades 102, thereby reducing the strength requirements for the blades 1 02. This in turn reduces the turbine 1 00's sensitivity to turbulence and allows the use of larger spans for the blades 1 02.
  • the turbine 1 00 illustrated in FIGS. 1 -6 is exemplary only and that the rotor and stator configurations shown in the cross-sectional views of FIGS. 5 and 6, as well as the components used to support the rotor 1 10 relative to the stator 1 1 2, may have various other configurations and/or may employ various additional and/or alternative mechanisms without departing from the scope of the present disclosure and claims.
  • the rollers 1 20, 122 can be replaced with other bearing mechanisms, such as, for example, magnetic bearing mechanisms (i.e., levitation magnets), as described, for example, in U.S. Publication No.
  • rollers 120, 1 22 can be replaced with water lubricated bearings made of wood or composite materials, such as, for example, a wood composite as commercially available from Lignum-Vitae North America of Powhatan Virginia.
  • water lubricated bearings made of wood or composite materials, such as, for example, a wood composite as commercially available from Lignum-Vitae North America of Powhatan Virginia.
  • embodiments contemplate, for example, using strips of Lignum-Vitae wood
  • each blade 1 02 can be hinged on its fulcrum over the rotor 1 10 so as to allow the blade 1 02 to fold inward.
  • each blade 1 02 may fold toward the stator 1 1 2, such that a radially inwardly extending blade portion 1 01 a moves toward or almost parallel to a direction of the fluid flow F through the turbine 100.
  • a hinge feature (not shown) can be provided at a location 128 on the radially inwardly extending blade portion 101 a.
  • a second hinge feature (not shown) can be provided at location 130 on a radially outwardly extending blade portion 101 b.
  • a hinge line (not shown) for each blade portion 101 a, 101 b may extend tangentially, or follow a compound curve, that defines a connection line ⁇ e.g., at locations 128, 130) between a central blade portion 107 that attaches to the rotor 1 10 and the respective blade portions 101 a, 101 b.
  • the above hinge feature(s) can be configured to be actuated whenever debris strikes one of the blades 102 with a force exceeding a predetermined value.
  • the portion 101 a of each blade 102 that is directed radially inward of the stator 1 12 can be configured to deflect in accordance with the hinge feature to allow large debris to pass through the inner region of the stator 1 12, for example, to allow debris to pass through the turbine 100 that would otherwise be unable to pass through the already open center defined by the inner edges of the blades 102 of the turbine 100.
  • the hinge feature(s) can be equipped with a stop (not shown) to prevent the blade 1 02 from folding outward (e.g., away from the stator 1 1 2).
  • the stop allows the blade 1 02 to only fold in an inner direction (e.g., toward the stator 1 1 2).
  • the radially inner portion 101 a and the radially outer portion 1 01 b of each blade 1 02 can be connected at a pivot point such that folding of the inner portion 1 01 a toward the stator 1 1 2 causes an opposite motion of the outer portion 1 01 b away from the stator 1 1 2.
  • the turbine may include springs (not shown) to minimize the impact of shocks associated with such impact events.
  • the turbine 1 00 may further include cowlings 1 32, 1 34 respectively at a front of the rotor-stator arrangement and at a rear of the rotor-stator arrangement.
  • the cowlings 1 32, 1 34 may be removable with respect to the rotor-stator arrangement and thus can be assembled separately.
  • each blade 1 02 may be coupled to the rotor 1 1 0 via a front support piece 1 1 1 and a rear support piece 1 1 3, with the central portion 1 07 of each blade 102 being disposed between the front and rear support pieces 1 1 1 , 1 13 in the axial direction.
  • the front cowling 1 32 may be attached to the front support piece 1 1 1 or any other portion of the rotor 1 1 0, and the rear cowling 1 24 can be attached to a downstream portion of the stator 1 1 2 on an opposite side of the turbine 1 00 from the front cowling 1 32.
  • the cowlings 1 32, 1 34 can have a smooth shape, such as, for example, an aerodynamic shape, which may help to reduce the impact of fluid current forces on the turbine 1 00.
  • the cowlings 1 32, 1 24 may streamline the flow around the turbine 1 00 and help to protect various components of the turbine 1 00, for example, from impact with debris.
  • the blades 1 02 may be coupled to the rotor 1 1 0 via bolts 140. In this manner, the rotor blades 1 02 may be easily accessed and removed from the rotor 1 10 for replacement ⁇ e.g., in the event that a blade 1 02 is damaged, for example, by debris) or for changing/replacement of the blades 1 02 with different blades 1 02 (e.g., for different river currents).
  • River flows are often variable and may change drastically throughout the year, being strong (i.e., having high speeds) during spring run-offs and weak (i.e. having low speeds) at the end of the summer months or during times of drought. Accordingly, it may be desirable to change the size of the blades 1 02 of the turbine 100 based on the flow conditions of the river, or other body of water, in which the turbine 1 00 is deployed. For example, larger blades 1 02, with a larger surface area, may be used in low flow conditions, in comparison with the blades 1 02 used in high or normal flow conditions. Turbine Testing
  • the testing sequence involved the following steps: (1 ) positioning the carriage at the far end of the tank; (2) lowering the turbine into the water; (3) starting instrumentation recording; (4) ramping carriage speed up to a predetermined value until it neared end of travel; (5) decelerating the carriage to a stop; and (6) reversing steps (1 ) to (3) in preparation for the next test sequence.
  • the electrical power generated by the turbine was dissipated in an adjustable resistive load bank.
  • the voltage, current, electrical power output, and rotational speed of the generator could be varied. Accordingly, the test matrix included variations in the load bank settings.
  • FIGS. 10 and 1 1 A suite of performance parameters was measured using a high-frequency datalogger. The measured power and rotational speeds for the test turbine are illustrated in FIGS. 10 and 1 1 , respectively. River Testing
  • the turbine 100 and instrumentation were nearly identical to that tested at the tow tank, with the exception of some external capacitors being changed to improve the electrical power generation of the turbine 100.
  • the turbine 100 was lowered (i.e., by the lift mechanism 350) to approximately 2 meters (6.5 ft) below the water level of the river.
  • an anchoring system 200 for holding a hydroelectric turbine, such as, for example, the turbine 100 in a stationary position within a fluid flow ⁇ e.g., within a river).
  • the anchoring system 200 may include a tri-frame 202 with three anchoring feet 204 configured to be disposed on or in a ground surface, such as, for example, a river bed or ocean floor.
  • the tri-frame 202 may also have one or more support beams 206 connecting each anchoring foot 204 to an adjacent anchoring foot 204.
  • the anchoring system 200 may also include a bridge 210 that extends vertically from the tri-frame 202 to a ring 208 that supports the stator 1 12 of the turbine 100.
  • the bridge 210 may, for example, connect to one of the tri-frame support beams 206 at each end thereof.
  • the anchoring system 200 can be angled forward, as best shown in FIG. 7, where the bridge 210 slants toward an upstream direction of the fluid flow F.
  • This forward sweeping design allows for a lighter anchoring structure 200 that uses less material.
  • the anchoring system 200 can be lifted in and out of its collection point, e.g., on the river bottom or ocean bottom, with less difficulty, for example, by using a handle 209 and/or handle 219.
  • the forward slant design prevents the anchoring system 200 from tumbling under the force of the current F, while the use of cleats 212 (or another structure configured to be embed in the ground surface) at the base of the tri-frame 202 can prevent the anchoring system 200 from slipping along the ground surface ⁇ e.g., the river bottom or the ocean floor) due to flow energy.
  • anchoring system 200 illustrated and described with respect to FIGS. 7 and 8 is exemplary only, and that anchoring systems in accordance with the present disclosure may have various structural configurations and utilize various mechanisms to support the hydroelectric turbines of the present disclosure within a fluid flow without departing from the present disclosure and claims.
  • anchoring systems in accordance with the present disclosure can be manufactured and/or assembled using any known technique and/or method, using various materials.
  • the anchoring system 200 can be made as an integral part. While in various additional embodiments, the anchoring system 200 can be made of separate pieces that are subsequently joined together.
  • the anchoring system can be formed of a
  • turbines of the present disclosure can be held within fluid flows (e.g., within a river current) using various additional known methods and/or techniques, including, for example, a barge platform 300 as illustrated in FIG. 9.
  • spatially relative terms such as “beneath”, “below”, “lower”, “above”, “upper”, “forward”, “front”, “behind,” and the like— may be used to describe one element's or feature's relationship to another element or feature as illustrated in the orientation of the figures.
  • These spatially relative terms are intended to encompass different positions and orientations of a device in use or operation in addition to the position and orientation shown in the figures. For example, if a device in the figures is inverted, elements described as “below” or “beneath” other elements or features would then be “above” or “over” the other elements or features.
  • the exemplary term “below” can encompass both positions and orientations of above and below.
  • a device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Hydraulic Turbines (AREA)

Abstract

Turbine hydroélectrique pouvant comprendre un stator comprenant une partie de production d'électricité possédant des bobines et un rotor supporté par rapport au stator et conçu pour tourner par rapport au stator autour d'un axe de rotation. La turbine peut également comprendre une pluralité d'aimants agencés de manière à produire de l'électricité dans les bobines quand le rotor tourne par rapport au stator. La turbine peut en outre comprendre une pluralité de premières parties aubes et de secondes parties aubes supportées sur le rotor. Chaque première partie aube peut être radialement à l'extérieur d'une circonférence du rotor et chaque seconde partie aube peut être radialement à l'intérieur de la circonférence du rotor. Chaque partie aube peut être inclinée dans une direction tangentielle et inclinée en aval dans une direction axiale.
PCT/US2015/030373 2014-05-13 2015-05-12 Composants pour turbines hydroélectriques WO2015175535A1 (fr)

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US61/992,796 2014-05-13

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015184122A1 (fr) 2014-05-30 2015-12-03 Oceana Energy Company Turbines hydroélectriques, structures d'ancrage, et procédés d'assemblage associés
IT201800004645A1 (it) * 2018-04-18 2019-10-18 Zupone Giacomo Francesco Lo Macchina cinetica modulare per la produzione di energia da correnti fluide
WO2023034213A1 (fr) * 2021-08-30 2023-03-09 Oceana Energy Company Systèmes d'énergie hydroélectrique et leurs procédés de fabrication

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090096216A1 (en) * 2006-06-06 2009-04-16 Oceana Energy Company System for generating electricity from fluid currents
US20100007148A1 (en) * 2001-09-17 2010-01-14 Clean Current Power Systems Inc. Underwater ducted turbine
US20120211990A1 (en) * 2009-10-29 2012-08-23 Oceana Energy Company Energy conversion systems and methods
WO2013092664A1 (fr) * 2011-12-21 2013-06-27 Openhydro Ip Limited Système de turbine hydroélectrique
EP2620635A1 (fr) * 2012-01-27 2013-07-31 GE Energy Power Conversion Technology Ltd Pale pour rotor d'hydrolienne, rotor d'hydrolienne comprenant une telle pâle, hydrolienne associée et procédé de fabrication d'une telle pâle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100007148A1 (en) * 2001-09-17 2010-01-14 Clean Current Power Systems Inc. Underwater ducted turbine
US20090096216A1 (en) * 2006-06-06 2009-04-16 Oceana Energy Company System for generating electricity from fluid currents
US20120211990A1 (en) * 2009-10-29 2012-08-23 Oceana Energy Company Energy conversion systems and methods
WO2013092664A1 (fr) * 2011-12-21 2013-06-27 Openhydro Ip Limited Système de turbine hydroélectrique
EP2620635A1 (fr) * 2012-01-27 2013-07-31 GE Energy Power Conversion Technology Ltd Pale pour rotor d'hydrolienne, rotor d'hydrolienne comprenant une telle pâle, hydrolienne associée et procédé de fabrication d'une telle pâle

Cited By (10)

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Publication number Priority date Publication date Assignee Title
WO2015184122A1 (fr) 2014-05-30 2015-12-03 Oceana Energy Company Turbines hydroélectriques, structures d'ancrage, et procédés d'assemblage associés
IT201800004645A1 (it) * 2018-04-18 2019-10-18 Zupone Giacomo Francesco Lo Macchina cinetica modulare per la produzione di energia da correnti fluide
WO2019202622A1 (fr) * 2018-04-18 2019-10-24 Lo Zupone Giacomo Francesco Machine modulaire cinétique pour produire de l'énergie à partir d'écoulement de fluide
KR20200144570A (ko) * 2018-04-18 2020-12-29 마조 에너지 테크 엘티디 유체 흐름에서 에너지를 생산하기 위한 운동 모듈식 기계
CN112154266A (zh) * 2018-04-18 2020-12-29 玛索能源科技有限公司 用于从流体流产生能量的动力学模块化机器
JP2021521379A (ja) * 2018-04-18 2021-08-26 マゾ エナジー テック エルティーディー 流体流動からエネルギーを生成するための動力モジュール式機械
US11215159B2 (en) 2018-04-18 2022-01-04 Mazo Energy Tech Ltd Kinetic modular machine for producing energy from fluid flows
JP7289150B2 (ja) 2018-04-18 2023-06-09 マゾ エナジー テック エルティーディー 流体流動からエネルギーを生成するための動力モジュール式機械
KR102633980B1 (ko) 2018-04-18 2024-02-05 마조 에너지 테크 엘티디 유체 흐름에서 에너지를 생산하기 위한 운동 모듈식 기계
WO2023034213A1 (fr) * 2021-08-30 2023-03-09 Oceana Energy Company Systèmes d'énergie hydroélectrique et leurs procédés de fabrication

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