WO2008045574A2 - Système de production de courant hydroélectrique ayant un système ajustable de déviation d'eau - Google Patents

Système de production de courant hydroélectrique ayant un système ajustable de déviation d'eau Download PDF

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Publication number
WO2008045574A2
WO2008045574A2 PCT/US2007/021974 US2007021974W WO2008045574A2 WO 2008045574 A2 WO2008045574 A2 WO 2008045574A2 US 2007021974 W US2007021974 W US 2007021974W WO 2008045574 A2 WO2008045574 A2 WO 2008045574A2
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WO
WIPO (PCT)
Prior art keywords
water
power plant
plant system
wheels
hydroelectric power
Prior art date
Application number
PCT/US2007/021974
Other languages
English (en)
Other versions
WO2008045574A3 (fr
Inventor
Simon Srybnik
Louis Srybnik
Original Assignee
Simon Srybnik
Louis Srybnik
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
Priority claimed from US11/586,362 external-priority patent/US7262517B1/en
Priority claimed from US11/880,488 external-priority patent/US7388302B1/en
Application filed by Simon Srybnik, Louis Srybnik filed Critical Simon Srybnik
Publication of WO2008045574A2 publication Critical patent/WO2008045574A2/fr
Publication of WO2008045574A3 publication Critical patent/WO2008045574A3/fr

Links

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"
    • F03B17/062—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 at right angle to flow direction
    • F03B17/063—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 at right angle to flow direction the flow engaging parts having no movement relative to the rotor during its 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
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/24—Rotors for turbines
    • F05B2240/241—Rotors for turbines of impulse type
    • F05B2240/2411—Pelton type
    • 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
    • F05B2240/40—Use of a multiplicity of similar components
    • 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
    • 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
    • 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 invention relates to a hydro-electric power plant system for maximizing the use of water currents incident upon a set or series of sets of wheels connected to an electric current generating system.
  • the invention also includes a novel water diversion system for additional maximization of the pressure of water generated by a flowing body, having an adjustable feature to maximize the effects of the water pressure delivered to the power plant to compensate for pressure irregularities, thus compensating for fluctuations in the water pressure contained in the system at all times.
  • This invention therefore, addresses the ability to harness the energy incumbent in flowing water, either in a naturally flowing stream or in a tidal ebb and flow system or a combination of both systems. This is achieved by way of a unique arrangement of water responsive wheel systems solely, or in combination with water channeling devices which enhance the pressure generated by the moving water. With this system, it is now possible to generate electricity from bodies of water heretofore not harnessable.
  • Buoyancy is controlled in this system so that changes in water level can be compensated for, thus allowing the wheels effectiveness to be maintained even during changing conditions.
  • the wheels are capable of being reversed to accommodate back-flow energy generation when the water direction is reversed.
  • This system is limited by the use of a single type of wheel and no discussion of water flow enhancement techniques is disclosed.
  • Rebman, U. S. Patent No. 1,368,454 is an analogous system to the Reynolds disclosure.
  • the wheels are connected to a pontoon platform which in turn allows for changes in environmental conditions, depth conditions and the ability to select the number of wheels in use by the insertion of additional modules.
  • the individual wheels are height adjustable within the modules to allow for further manipulation of the system to derive the maximum from the water flow conditions.
  • the system is based on a single type of wheel and the adjustments are made to the system with respect to the water flow instead of making adjustments to the water flow characteristics.
  • U. S. Patent, 4,241,283 to Storer, Sr. also discloses a multi-wheel system but also contains a water channeling feature in a spillway that diverts the water to the wheels. Again, the wheels are in series along the longitudinal axis with respect to the direction of the water flow, but here again, each wheel is of the same construction.
  • the spillway here only serves to direct the flow of the water to the wheel arrangement and does not enhance the flow or pressure properties of the fluid stream.
  • Jost U. S. Patent No. 4,511,808 describes another system containing a pump mechanism; however, this system uses the water wheel structures to drive the pumps, using the pressure thus formed by the pumps to drive the generators.
  • Simoni U. S. Patent No.5, 136,174, uses the water in a canal to drive his water or paddle wheel device, but no mention is made of altering flow characteristics to enhance pressure. In addition, all of Simoni's wheels are identical.
  • Chappell U. S. Patent No. 4,023,041 and Tharp, U. S. Patent No. 7,042,114, are systems for use in open water and utilize positioning systems or compensating systems for directional control to optimize the amount of water incident upon the wheel structures. This concept is directly opposite to one in which the water is channeled to increase pressure on stationary wheels. Similar to these references is Voves, U. S. Patent No 7,063,579.
  • FIG. 1 is an overall view of the power generating plant of the instant invention, showing the location of the canal or spillway feature with respect to the normal flow characteristics of a moving body of water.
  • FIG. 2 is an overhead view of the building portion of the power plant showing the relationship of the canal or spillway feature with respect to the longitudinal axis of the plant.
  • FIG. 3 is another over all view of the power generating plant as seen from the opposite side of FIG. 1 showing the location of the water wheels with respect to the canal or spillway feature and the flow of water in the canal or spillway.
  • FIG. 4 is an expanded view of the canal and water wheel structures taken along line A- A of FIG. 3.
  • FIG. 5 is another variation of the wheel arrangement as encompassed by the instant invention.
  • FIG. 6 is a depiction of a modified version of the spillway showing tandem wheel arrangements.
  • FIG. 7 shows another variation of the spillway and wheel arrangement with varying sizes of wheels.
  • FIG. 8 is an expanded view ofone ofthe Pelton type water wheels of the instant invention.
  • FIG. 9 is an expanded view of one of the paddle wheel type of water wheels of the instant invention.
  • FIG. 10 is an overhead view of the canal or spillway feature of the instant invention taken along line B-B of FIG. 3.
  • FIG. 11 is an expanded view of section line C-C from FIG. 10.
  • FIG. 12 is a cross-sectional view of FIG. 2, showing the Pelton wheel structures in relation to the surface of the moving water.
  • FIG. 13 is an expended view of the Pelton type wheels shown in FIG. 8.
  • FIG. 14 is a view of the canal feature showing relative water levels present in both the canal and the outside body of water.
  • FIG. 15 is a depiction showing one type device for increasing or decreasing the angle of the water channeling feature with respect to the longitudinal axis of the spillway or water canal with the movable wall open at an angle with respect to the longitudinal axis.
  • FIG. 16 is a depiction showing the device of FIG. 15 with the walls readjusted to a linear configuration.
  • FIG. 17 shows the power generating plant having two configurations with the movable water channeling devices open to an angle and closed to the linear configuration as shown in FIGs. 15 and 16.
  • FIG. 18 shows another embodiment with the walls being segmented and in a closed position.
  • FIG. 19 shows another movable wall concept with an intermediate portion of the wall being moved to create increased spillway pressure.
  • FIG. 20 shows the relationship of the walls depicted in FIGs 18 and 19 with respect to the power plant structure.
  • FIG. 21 shows another embodiment of the invention with the walls movable to form a pooling or eddy pool effect.
  • FIG. 22 shows the wall structure of FIG. 21 in a linear configuration.
  • FIG. 23 depicts the pool or eddy pool forming wall structure shown as incorporated into the total power plant structure.
  • FIGs. 1-11 The preferred embodiments of the instant invention are described in terms of the FIGs. 1-11. Identical elements contained in various figures are designated with the same numeral in each figure.
  • hydro-electric power plant 10 of the instant invention is shown with respect to a flowing body of water 11.
  • This plant may be in a fixed relationship to a bank feature if the body of water is a river or may be located on a flotation device anchored or otherwise affixed in a medial portion of the body of water.
  • the power plant 10 may be located on the seashore or moored onto a feature such as a lighthouse, oil rig or other platform in the ocean environment. The specifics of such mooring are not included and would be standard as known to one of ordinary skill in the art. As shown in FIG.
  • two walls or extensions 12a and 12b are located at a 45° angle (denoted as 14) with respect to the longitudinal axis of the power plant and serve to funnel the water into the canal or spillway 13.
  • water would enter the spillway 13 via the opening defined by 12a which compresses the water to add pressure before contacting the first water or Pelton wheel within the interior of the power plant 10.
  • the water would enter the power plant 10 via the opening defined by 12b which in the preferred embodiment is an exact duplicate of 12a, as shown by FIG. 2.
  • 12a and 12b can differ in length and width as necessary for any particular application; these modifications are being considered within the scope of those of ordinary skill in the art.
  • the capillary action caused by the constriction of the water mass may cause the height of the water in the canal to be higher than that in the water body outside the plant.
  • This feature, shown in FIG. 14, serves to enhance the potential power production available from any given body of water.
  • the extensions 12a and 12b may be attached to power plant 10 in either a fixed or movable relationship.
  • the angles defined by extensions 12a and 12b may be the same or different depending on the water flow characteristics. Indeed, if the extensions are movable, then fine adjustments may be made to enhance the water flow characteristics within the system at any time during operation. If the power plant 10 is used in a milieu where backflow is a feature, then the extensions 12a and 12b may be movable to accommodate the change in conditions. In operation, if water enters at 12a, then 12b may be adjusted to improve the exiting properties and to prevent any eddy currents from developing along the spillway 13.
  • the extensions 12a and 12b and spillway 13 may be made from any suitable material such as concrete, metal or wood or anything known to those of ordinary skill in the art as suitable for such purposes.
  • FIG. 3 the power plant 10, is shown from the opposite side as shown in FIG. 1. With a portion of the superstructure 20 removed, the features of the water wheels are seen. In this depiction, the wheels are aligned in a single file relationship down the longitudinal axis of the spillway with traditional water wheels 21 alternating with Pelton type wheels 22.
  • the exact ratio of the types of wheels may be 1:1 or may be any other ratio as determined by one of ordinary skill in the art.
  • the arrangement of the wheel varieties may be ordered or random as shown by FIG. 3.
  • An expanded view of the relationship of the two types of wheels is shown in FIG. 4.
  • the water wheels 21a and 21b are arranged with Pelton wheel 22a between water wheels 21a and 21b. As shown in FIG. 12, the water wheels 21a and 21b extend downward along the vertical axis of the spillway 13 to contact a portion of the water flowing in the spillway 13. In order to take advantage of the pressure along the remaining portion, as defined by the vertical axis, the Pelton wheel 22a is inserted or located between the water wheels 21a and 21b. In this fashion, most of the usable energy is obtained from the stream of water flowing past the wheel, and any eddy currents derived from the interruption of the water in any of the two types of wheels are consumed, corrected or redirected by being influenced by the differences in motion of the two types of wheels.
  • FIG. 5 shows an additional embodiment of the instant invention.
  • the water wheel structures 51 and 52 are in a tandem arrangement with two water wheels in tandem with an alternating Pelton wheel. It is considered with the scope of ordinary skill in the art that any rearrangements of geometries utilizing a plurality of tandem wheels of either variety may be in concert with single or multiple wheels of the alternate variety.
  • the sizes of the wheels may vary as shown in FIGs. 4 and 7.
  • different size wheels 71 and 72 are used to accommodate pressure declines and differences along the longitudinal axis of the spillway 13. This may occur with both the single row wheel arrangement or in combination with the multi-wheel assembly of FIG. 6.
  • FIGs. 8 and 13 are showings of the details of a Pelton style wheel 80 usable in the instant invention.
  • the impellers 81a and 81b are cup shaped in this version, but it is considered within the scope of ordinary skill in the art that other geometries may be used.
  • two sets of impellers are arranged on a shingle shaft 82.
  • a clutch mechanism 83 permits selection of the impeller wheel 85a or 85b desired at any given time depending on the water flowing past the wheel 80.
  • the shaft may contain a plurality of impeller wheels 85 so that maximum water pressure utilization may be made.
  • the shape of the impellers 81a and 81b can be more suited to clockwise and counterclockwise rotation so that the clutch mechanism 83 may be unnecessary.
  • the Pelton wheels 80 may be identical throughout the power plant system or may vary due to the nature of the pressure fluctuations along the spillway 13.
  • FIG. 9 shows a rendering of the water wheel version of the wheels used in the instant invention.
  • This water wheel 90 may be any type as known to those of ordinary skill in the art and may have any shape impellers suitable for the particular location of the power plant.
  • the water wheel 90 may be of any suitable size and the sizes of the water wheels may also vary in the power plant structure. The size variations may be in both radius and width with respect to the latitudinal axis of the spillway 13. In the case of tandem wheels, the wheels may be synchronized or rotate in a dissimilar fashion.
  • FIG. 10 Another feature of the instant invention which may be used solely with a single type of wheel or with the combination wheel structure described earlier is shown in FIG. 10.
  • the spillway 13 is modified along its longitudinal axis to form wider and thinner sections, via indentations 101 in the spillway wall, with respect to the latitudinal axis. As shown, these may be regular in shape or be irregular.
  • the water is re-pressurized after contact with the wheels in the spillway 13 and thus energy consumption is compensated for to an extent so that a large pressure drop is not experienced between the elements of the wheel structures in the spillway 13.
  • the bottom of the spillway may also be modified so that the pressure may be modified in that fashion also.
  • the preferred angle of modification is again 45° with respect to the latitudinal axis, but other angles are also contemplated.
  • the spillway 13 is also modified so that the indentations 101 perform the same function when the water direction is reversed.
  • the novel adjustable water channeling features as shown in FIGs. 15 - 16 are another feature of the instant invention.
  • the extensions of the spillway are designed to be movable so that fluctuations in pressure with in the body of water may be compensated for.
  • any changes in flow characteristics in the moving body of water are easily compensated for by creating additional pressure delivered to the system or by creating a back pressure to maintain optimal output characteristics by the water wheels.
  • the hydraulic properties of the water are not as dependent on the flowing stream properties, but are also dependent on the constriction of the channel causing increases and decreases in the flow to maintain an optimal pressure within the power plant generating portion.
  • any changes due to drought, flooding, and tidal water quantities is compensated for without losing plant effectiveness. For instance, if there is a loss of water in the body of water due to drought, then the angles of the extensions may be changed to compensate for the lower amount of water moving in the body of water. Conversely, if a flood occurs, then the plant is capable of regulating the amount of water being taken into the spillway by the movable extension feature.
  • tidal flowing bodies of water the same situations occur when the tides are extremely high or low in character.
  • the actual variation of the angles is dependent on the location of body of water and varies due to the characteristics of that body. Thus the angle changes in one river would be different from those in another.
  • a tidal system would also vary dependent on the tidal characteristics of that location. Thus the exact change in the angles would depend on location and is considered within the derivation skills of one of ordinary skill in the art.
  • the movement devices are also considered a choice to one of ordinary skill in the art and may be an hydraulic lever system as shown in FIGs. 15 and 16, or any other system that would be capable of moving the extensions.
  • the moving devices may be located on the outside of the extensions 150 and 160, as shown in FIGs. 15 and 16, or they may be devices on the inside of the extensions 150 and 160.
  • FIG. 17 is an example of an internal wheel derived system. Here a rotating wheel on the top of the extension moves it to increase or decrease the angle.
  • the moving devices may be located in both the interior and exterior of the extensions 150 and 160. Further choices of location include the tops and bottoms of the extensions themselves with due care being taken to ensure that the moving devices do not interrupt water flow characteristics.
  • the actual mechanical systems for extension movement may be simple or complex in nature and are therefore considered within the scope of ordinary skill in the art.
  • the extensions may be moved either singly or in concert so that the pressure delivered to the water wheels is maximized for any changes in water flow conditions.
  • the important feature of the system is the ability to compensate for changes in water flow in the body of water due to the presence of the movable extensions. This makes the instant power plant adaptable to a variety of environments, including those heretofore considered impractical locations. By optimizing the pressure of the water delivered to the wheels in the system, a more constant result is obtained thus increasing the efficiency of the power plant.
  • An additional embodiment of the invention is a segmented extension 180 which is capable of being moved to create another type of effect within the channel defined by the extensions 180 and 190.
  • This embodiment is shown in FIG. 18.
  • the water in the exit portions of the spillway is contained to force pressure back into the power plant section thereby effecting an increase of pressure to the water wheels.
  • This structure when desired, may also be incorporated into the entry section of the spillway as defined by the extensions 180 and 190.
  • By moving a segment only of the entire wall section the ability to regulate the water flow characteristics with a greater degree of finesse or accuracy is achieved by forming a stylized funnel shape.
  • the ability to make finer adjustments is demonstrated, thus making the water delivered to power plant 10 much better regulated than by simply moving the entire wall extensions 150 and 160 as depicted in FIGs. 15-17.
  • FIGs. 21-23 A further embodiment is shown in FIGs. 21-23.
  • the segmented extensions 210 and 220 have the capacity to be moved to form a pool 222.
  • This pool 222 or eddy pool structure may be formed to exert back pressure into the water system flowing through power plant 10. The mostly likely location of this pool is on the downstream side of the power plant 10, however, in the event that a decrease in water pressure delivered to power plant 10 is desired, then the pool 222 could also be used in the upstream portion of the entire structure. It is also contemplated that this pool 222 could be present in both the upstream and downstream locations as desired by one of ordinary skill in the art.
  • the embodiments depicted in FIGs 15-23 likewise may be used in the upstream as well as the downstream portion of the body of water.
  • the movable extensions may be moved singly or in concert to achieve the optimal flow characteristics. This is true of all the embodiments shown in FIGs. 15-23.
  • the water wheel system of the instant invention is connected to standard electrical generating and relaying equipment. Because of the variation of the quantity produced at each of the water wheel stations along the longitudinal axis of the power plant 10, the transformers and other pieces of equipment may vary in size and capacity to effectively handle the loads generated at each station.

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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

L'invention concerne une centrale hydroélectrique conçue pour être utilisée dans des masses d'eau s'écoulant qui comporte un nouveau canal déversoir construit pour améliorer l'écoulement d'eau en augmentant la pression de l'eau. Du fait que le canal ait une caractéristique inclinée aux deux extrémités, l'écoulement d'eau peut être renforcé lorsque des conditions d'écoulement arrière existent ainsi que lorsque des conditions d'écoulement principal sont présentes. De plus, le canal utilise une combinaison unique à la fois de roues à eau traditionnelles et de roues à eau de type Pelton pour convertir la pression d'eau en courant électrique. Le canal, les extensions et les deux types de roues à eau sont également ajustables pour maximaliser la quantité de courant pouvant être obtenue pour une masse d'eau donnée. Les ajustements comprennent la capacité de déplacement par rapport au déversoir pour créer des angles d'entrée et/ou de sortie différents dans la structure de déversoir réelle.
PCT/US2007/021974 2006-10-10 2007-10-15 Système de production de courant hydroélectrique ayant un système ajustable de déviation d'eau WO2008045574A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11/586,362 2006-10-10
US11/586,362 US7262517B1 (en) 2006-10-25 2006-10-25 Hydro-electric power generating system
US11/880,488 US7388302B1 (en) 2007-07-23 2007-07-23 Hydro-electric power generating system with an adjustable water diversion system
US11/880,488 2007-07-23

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WO2008045574A2 true WO2008045574A2 (fr) 2008-04-17
WO2008045574A3 WO2008045574A3 (fr) 2008-08-21

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2119907A1 (fr) * 2008-05-13 2009-11-18 Nicolae Gabriel Corbu Chaîne de centrales hydroélectriques fonctionnant en microcascade, turbines du générateur en cascade
WO2013019117A1 (fr) * 2011-07-29 2013-02-07 Minihydro Norge As Centrale fluviale basse pression
GB2517678A (en) * 2013-06-25 2015-03-04 Christopher Anthony Budd Lock Form Reversible Tidal/River Energy Extraction Device
WO2018178723A1 (fr) * 2017-03-30 2018-10-04 Urdiamonia Limited Appareil de production d'électricité

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1074292A (en) * 1912-08-14 1913-09-30 Alva L Reynolds Hydraulic-power system.
US1368454A (en) * 1919-08-11 1921-02-15 Johan J Rebman Current-motor
US3807890A (en) * 1972-10-12 1974-04-30 O Wright Water power apparatus
US4278895A (en) * 1978-12-14 1981-07-14 Spie-Batignolles Hydroelectric power station
US4725195A (en) * 1987-03-25 1988-02-16 Wiggs B Ryland Advanced piggyback water power generator
US4804855A (en) * 1987-02-13 1989-02-14 Obermeyer Henry K Hydromotive machine apparatus and method of constructing the same
US6472768B1 (en) * 2000-09-26 2002-10-29 Darwin Aldis Salls Hydrokinetic generator
US20060245919A1 (en) * 2003-04-30 2006-11-02 Vladislav Krizik Water wheel motor
US7179045B2 (en) * 2004-06-18 2007-02-20 Leland Wayne Staggs Self cleaning hydro delivery system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1074292A (en) * 1912-08-14 1913-09-30 Alva L Reynolds Hydraulic-power system.
US1368454A (en) * 1919-08-11 1921-02-15 Johan J Rebman Current-motor
US3807890A (en) * 1972-10-12 1974-04-30 O Wright Water power apparatus
US4278895A (en) * 1978-12-14 1981-07-14 Spie-Batignolles Hydroelectric power station
US4804855A (en) * 1987-02-13 1989-02-14 Obermeyer Henry K Hydromotive machine apparatus and method of constructing the same
US4725195A (en) * 1987-03-25 1988-02-16 Wiggs B Ryland Advanced piggyback water power generator
US6472768B1 (en) * 2000-09-26 2002-10-29 Darwin Aldis Salls Hydrokinetic generator
US20060245919A1 (en) * 2003-04-30 2006-11-02 Vladislav Krizik Water wheel motor
US7179045B2 (en) * 2004-06-18 2007-02-20 Leland Wayne Staggs Self cleaning hydro delivery system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2119907A1 (fr) * 2008-05-13 2009-11-18 Nicolae Gabriel Corbu Chaîne de centrales hydroélectriques fonctionnant en microcascade, turbines du générateur en cascade
WO2013019117A1 (fr) * 2011-07-29 2013-02-07 Minihydro Norge As Centrale fluviale basse pression
GB2517678A (en) * 2013-06-25 2015-03-04 Christopher Anthony Budd Lock Form Reversible Tidal/River Energy Extraction Device
GB2517678B (en) * 2013-06-25 2020-04-01 Anthony Budd Christopher Lock Form Reversible Tidal/River Energy Extraction Device
WO2018178723A1 (fr) * 2017-03-30 2018-10-04 Urdiamonia Limited Appareil de production d'électricité

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