WO2016005698A1 - Device for hydroelectric generation - Google Patents

Device for hydroelectric generation Download PDF

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Publication number
WO2016005698A1
WO2016005698A1 PCT/FR2015/051880 FR2015051880W WO2016005698A1 WO 2016005698 A1 WO2016005698 A1 WO 2016005698A1 FR 2015051880 W FR2015051880 W FR 2015051880W WO 2016005698 A1 WO2016005698 A1 WO 2016005698A1
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WO
WIPO (PCT)
Prior art keywords
rotor
axis
wheels
liquid
flow
Prior art date
Application number
PCT/FR2015/051880
Other languages
French (fr)
Inventor
Gaston Huguenin
Original Assignee
Gaston Huguenin
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 Gaston Huguenin filed Critical Gaston Huguenin
Priority to EP15754262.2A priority Critical patent/EP3194764A1/en
Publication of WO2016005698A1 publication Critical patent/WO2016005698A1/en

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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"
    • F03B17/062—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
    • F03B17/065—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 a cyclic movement relative to the rotor during its rotation
    • 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
    • F03B7/00—Water wheels
    • 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
    • F05B2220/7064—Application in combination with an electrical generator of the alternating current (A.C.) 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
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/94—Mounting on supporting structures or systems on a movable wheeled 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
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • F05B2260/402—Transmission of power through friction drives
    • F05B2260/4021—Transmission of power through friction drives through belt drives
    • 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
    • Y02E10/20—Hydro energy
    • 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 device for producing renewable electric energy.
  • renewable energies are emerging as an important alternative to traditional sources of energy. Indeed, unlike said traditional sources, they are non-polluting in terms of gaseous emissions and discharge into the atmosphere or on earth. The development of this type of energy has therefore recently accelerated.
  • hydroelectric generating devices comprising an alternator set in motion by a paddle wheel placed at least partly in a stream of water such as a river for example.
  • the main The disadvantage of these known devices lies in their lack of compactness and complexity. Indeed, in these devices, the alternator is generally disposed on the bank of the river forcing to have expensive connection means between the impeller and said alternator.
  • the object of the present invention is therefore to overcome the aforementioned disadvantages and to provide a compact hydroelectric generating device, easy to implement, and able to adapt to hydraulic variations due in particular to seasonal climate change.
  • hydroelectric generating device comprising:
  • a blade rotor disposed at least partly in a flow of liquid and capable of pivoting about a substantially horizontal axis of rotation and perpendicular to the direction of flow of the liquid
  • Production means comprise at least one enclosure capable of pivoting inside the rotor by means of first wheels, containing an alternator and provided with a counterweight in its lower part to stabilize it in a position such that its axis of symmetry is substantially vertical when the rotor rotates about its axis of rotation under the action of the flow of liquid, and
  • said enclosure comprises two first wheels pivotally mounted on the lower ends of each of its lateral faces, around axes. parallel to the axis of rotation of the rotor, said first wheels bearing directly or indirectly on the cylindrical inner face of the rotor, and a second wheel pivotally mounted on the upper end of each of its lateral faces and ensuring the maintenance of contact directly or indirectly between the first wheels and the cylindrical inner face of the rotor.
  • the first wheels are of the railway wheel type and cooperate with circular rails arranged on the cylindrical inner face of the rotor.
  • the transmission means are of the pulley-belt type and comprise a plurality of driving pulleys, receiving pulleys and belts and, if necessary, tension rollers.
  • Each blade is preferably at least partly collapsible between an "open” position to capture the flow of liquid and a “closed” position to avoid impeding the rotational movement of the rotor and limit the wind setting of said rotor.
  • each blade comprises a fixed part integral with the outer face of the rotor, a movable part articulated at the free end of said fixed part about an axis substantially parallel to the axis of rotation of the rotor, and a retaining element joining the free end of said movable portion to the fixed portion of the blade upstream.
  • the device according to the invention comprises a structure on which is mounted pivoting the blade rotor and for adjusting the vertical position of said rotor relative to the liquid.
  • the structure comprises at least:
  • a first inclined plate articulated at its end longitudinal upstream to said posts about a substantially horizontal axis and perpendicular to the direction of flow of the liquid
  • a second substantially horizontal plate articulated at the longitudinal end downstream of said first plate about an axis parallel to said axis and provided at each of its lateral edges with a frame receiving the rotor
  • the first and second plates advantageously form a guiding device for channeling and increasing the liquid flow at the immersed part of the rotor.
  • FIG. 1 is a front view of a hydroelectric generating device according to the invention
  • FIG. 2 is a cross-sectional view of the hydroelectric generating device of FIG. 1;
  • FIG. 3 is another cross-sectional view of the hydroelectric generating device of Figure 1.
  • the hydroelectric generating device 1 comprises a structure 2 supporting at least one rotor 3 with blades 4 disposed at least in part in a stream of liquid type stream 5 such as, for example, a river or a river.
  • Said structure 2 comprises at least two substantially vertical posts 21 anchored in the bottom of said stream 5 so as to be arranged in a direction generally perpendicular to the direction of flow of the stream 5.
  • the structure 2 also comprises a fluid guiding device 22 pivotally mounted at its longitudinal end upstream between said posts 21 about an axis of substantially horizontal rotation and perpendicular to the direction of flow of the stream 5.
  • Said guide device 22 can channel and to increase the flow of water at the immersed portion of the impeller 4 rotor 4.
  • upstream is understood to mean elements arranged before “downstream” elements in the direction of flow of the liquid of the stream 5 and vice versa.
  • Said guiding device 22 comprises a first plate 24 inclined and articulated to said posts 21 at its longitudinal end upstream and a second substantially horizontal plate 25 and articulated at the longitudinal end downstream of said first plate 24 about an axis 26 parallel to the rotation axis 23 of the guide device 22.
  • the second plate 25 is provided at each of its lateral edges with a frame 27 advantageously V-shaped inverted, the rotor 3 with blades 4 being pivotally mounted on the vertices of said frameworks 24 around an axis of rotation 28 substantially parallel to the axis of rotation 23 of the guide device 22.
  • the structure 2 finally comprises two arms 29, each being pivotally mounted about axes parallel to the axis 23 of rotation of the device 22 at one of its ends on one of the posts 21 and at the other end at the top of the associated framework 27.
  • the structure 2 makes it possible to adjust the vertical position of the rotor 3 with vanes 4 as a function of the height of the level of the stream 5 which varies according to the seasons in particular.
  • the hydroelectric generating device 1 also comprises means 6 for producing electrical energy driven in rotation by virtue of the rotation of the rotor 3 with blades 4.
  • These production means 6 are arranged inside said rotor 3, the latter being preferably a hollow cylinder closed at each of its longitudinal ends by a flange 7, at least one of said flanges 7 having an access door 8 to enter the inside of the rotor 3 and access the means of production 6.
  • said production means 6 comprise at least one enclosure 9 capable of pivoting inside the rotor 3, containing an alternator 10 and provided with a counterweight 11 in its lower part to stabilize the enclosure 9 in a certain vertical position.
  • Said enclosure 9 further comprises two first wheels 12 pivotally mounted on the lower ends of each of its lateral faces, about axes parallel to the axis of rotation 28 of the rotor 3, to allow it to pivot within the rotor 3 , said first wheels 12 bearing directly or indirectly on the cylindrical inner face of the rotor 3.
  • the first wheels 12 are of the railway wheel type and cooperate with a circular rail 13 disposed on the cylindrical inner face of the rotor 3. Each enclosure 9 is thus supported on two rails 13 by two pairs of first wheels 12. According to an alternative embodiment not shown, the first wheels 12 are directly supported on the cylindrical inner face of the rotor 3, said surface being able to be provided with two guide grooves formed in said inner face.
  • the enclosure 9 advantageously comprises a second wheel 14 pivotally mounted on the upper end of each of its lateral faces. These two second wheels 14 guarantee the maintenance of contact between the first wheels 12 and the two rails 13 even if there are eddies on the surface of the stream 5 causing inadvertent movements of the rotor 3 and therefore the enclosure 9.
  • the skilled person will have no difficulty in determining the value of the counterweight 11 to implement to ensure the maintenance of the enclosure 9 in a vertical position.
  • the production means 6 comprise transmission means 16 advantageously comprising a plurality of driving pulleys 161a, b, c, of pulleys 162a, b, c and belts 163a, b, c and, if necessary, pebbles voltage 164b, c, said transmission means 16 for transmitting the movement to the shaft 15 of the alternator 10 and to adapt the speed of rotation of the latter relative to that of the first wheels 12 and therefore the rotor 3 to blades 4.
  • the rotor 3 is set in motion by a plurality of vanes 4, preferably at least partly folding between an "open” position allowing sensing the flow of the watercourse 5 and a "closing" position to avoid hindering the rotational movement of the rotor 3 and limiting the wind setting of said rotor 3.
  • each vane 4 comprises a fixed portion 41 secured to the outer face of the rotor 3, a movable portion 42 hinged to the free end of said fixed portion 41 about an axis substantially parallel to the axis of rotation 28 of the rotor 3, and a retaining element 43 joining at the free end of said movable portion 42 to the fixed portion 41 of the blade 4 located upstream.
  • each blade 4 unfolds under the effect of gravity to its position "opening", that is to say that its mobile part 42 pivots in an opposite direction of the rotor 3 until the retaining element 43 is stretched, so that once immersed in the stream 5 the dawn 4 can capture the maximum flow of said course of water 5.
  • each blade 4 folds under the effect of gravity to its "closed” position, that is to say that its mobile part 42 pivots towards the rotor 3 until it bears on the fixed part 41 of the blade 4 situated upstream, the retaining element 43 then being completely relaxed.
  • the hydroelectric generating device 1 allows a production of electrical energy from a renewable energy source.
  • said hydroelectric generating device 1 is particularly compact and easy to implement and adapts to seasonal variations in the level of the watercourse 5.
  • the hydroelectric generating device 1 is more particularly applicable to the river or river type stream. It goes without saying that the hydroelectric generating device 1 can also be installed in any other type of liquid flow.

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

Abstract

The invention relates to a hydroelectric generation device (1), comprising: - a rotor (3) with blades (4) disposed at least in part in a liquid flow and able to pivot around an axis of rotation (28) substantially horizontal and perpendicular to the direction of flow of the liquid, - generation means (6) comprising at least one chamber (9) able to pivot inside the rotor (3) by means of first wheels (12), containing an alternator (10) and equipped with a counterweight (11) in its lower part for stabilizing the chamber in a position such that the axis of symmetry (91) thereof is substantially vertical when the rotor (3) turns, and - transmission means (16) for transmitting the movement of the first wheels (12) to the shaft (15) and the alternator (10), said hydroelectric generation device being remarkable in that said chamber comprises two first wheels and one second wheel.

Description

DISPOSITIF DE PRODUCTION HYDROELECTRIQUE  DEVICE FOR HYDROELECTRIC PRODUCTION
Domaine technique Technical area
La présente invention concerne un dispositif de production d'énergie électrique renouvelable.  The present invention relates to a device for producing renewable electric energy.
Technique antérieure Prior art
De nos jours, compte tenu notamment de la raréfaction prévue des énergies fossiles, les énergies renouvelables apparaissent comme une alternative importante aux sources traditionnelles d'énergie. En effet, contrairement auxdites sources traditionnelles, elles sont non polluantes en terme d'émission gazeuse et de rejet dans l'atmosphère ou sur terre. Le développement de ce type d'énergies s'est par conséquent récemment accéléré.  Nowadays, especially in view of the expected scarcity of fossil fuels, renewable energies are emerging as an important alternative to traditional sources of energy. Indeed, unlike said traditional sources, they are non-polluting in terms of gaseous emissions and discharge into the atmosphere or on earth. The development of this type of energy has therefore recently accelerated.
II est déjà connu d'utiliser l'énergie solaire et l'énergie éolienne pour produire de l'électricité de façon industrielle ou non. Toutefois, l'utilisation de ces types d'énergies renouvelables présente l'inconvénient d'être directement dépendante des conditions climatiques.  It is already known to use solar energy and wind energy to produce electricity industrially or not. However, the use of these types of renewable energy has the disadvantage of being directly dependent on climatic conditions.
Concernant l'énergie hydraulique, on l'utilise de manière classique pour produire de l'électricité par l'intermédiaire de turbines, du type PELTON par exemple, disposées en partie inférieure d'une retenue d'eau ou barrage, lesdites turbines étant actionnées par de l'eau mise en mouvement notamment sous l'effet de la gravité. Toutefois, pour être économiquement rentables, ces barrages doivent être de très grandes dimensions et sont donc très coûteux. En outre, compte tenu de leurs dimensions, ces installations ont pour conséquence l'inondation d'une grande partie des vallées situées en amont des barrages.  As regards hydraulic energy, it is conventionally used to produce electricity by means of turbines, of the PELTON type, for example, arranged in the lower part of a water reservoir or dam, said turbines being actuated by water set in motion especially under the effect of gravity. However, to be economically profitable, these dams must be very large and therefore very expensive. In addition, given their size, these installations result in the flooding of a large part of the valleys located upstream of the dams.
On connaît également des dispositifs de production hydroélectrique comprenant un alternateur mis en mouvement par une roue à aubes placée au moins en partie dans un flux d'eau tel qu'une rivière par exemple. Le principal inconvénient de ces dispositifs connus réside dans leur manque de compacité et leur complexité. En effet, dans ces dispositifs, l'alternateur est généralement disposé sur la berge de la rivière obligeant d'avoir des moyens de liaison coûteux entre la roue à aubes et ledit alternateur. Also known are hydroelectric generating devices comprising an alternator set in motion by a paddle wheel placed at least partly in a stream of water such as a river for example. The main The disadvantage of these known devices lies in their lack of compactness and complexity. Indeed, in these devices, the alternator is generally disposed on the bank of the river forcing to have expensive connection means between the impeller and said alternator.
Exposé de l' invention Presentation of the invention
Le but de la présente invention est donc de pallier les inconvénients précédemment cités et de proposer un dispositif de production hydroélectrique compact, facile à mettre en œuvre, et capable de s'adapter aux variations hydrauliques dues notamment au changement climatique saisonnier .  The object of the present invention is therefore to overcome the aforementioned disadvantages and to provide a compact hydroelectric generating device, easy to implement, and able to adapt to hydraulic variations due in particular to seasonal climate change.
A cet égard, il est donc proposé un dispositif de production hydroélectrique comportant :  In this respect, it is therefore proposed a hydroelectric generating device comprising:
- un rotor à aubes disposé au moins en partie dans un flux de liquide et apte à pivoter autour d'un axe de rotation sensiblement horizontal et perpendiculaire à la direction d'écoulement du liquide,  a blade rotor disposed at least partly in a flow of liquid and capable of pivoting about a substantially horizontal axis of rotation and perpendicular to the direction of flow of the liquid,
- des moyens de production comprennent au moins une enceinte apte à pivoter à 1 ' intérieur du rotor grâce à des premières roues, contenant un alternateur et munie d'un contrepoids dans sa partie basse pour la stabiliser dans une position telle que son axe de symétrie est sensiblement vertical lorsque le rotor tourne autour de son axe de rotation sous l'action du flux de liquide, et  - Production means comprise at least one enclosure capable of pivoting inside the rotor by means of first wheels, containing an alternator and provided with a counterweight in its lower part to stabilize it in a position such that its axis of symmetry is substantially vertical when the rotor rotates about its axis of rotation under the action of the flow of liquid, and
- des moyens de transmission permettant de transmettre le mouvement des premières roues à l'arbre de l'alternateur pour le faire pivoter et produire du courant électrique.  - Transmission means for transmitting the movement of the first wheels to the alternator shaft to rotate it and produce electric current.
Ledit dispositif de production hydroélectrique est remarquable en ce que ladite enceinte comporte deux premières roues montées pivotantes sur les extrémités basses de chacune de ses faces latérales, autour d'axes parallèles à l'axe de rotation du rotor, lesdites premières roues étant en appui directement ou indirectement sur la face intérieure cylindrique du rotor, et une deuxième roue montée pivotante sur l'extrémité haute de chacune de ses faces latérales et garantissant le maintien du contact direct ou indirect entre les premières roues et la face intérieure cylindrique du rotor. Said hydroelectric production device is remarkable in that said enclosure comprises two first wheels pivotally mounted on the lower ends of each of its lateral faces, around axes. parallel to the axis of rotation of the rotor, said first wheels bearing directly or indirectly on the cylindrical inner face of the rotor, and a second wheel pivotally mounted on the upper end of each of its lateral faces and ensuring the maintenance of contact directly or indirectly between the first wheels and the cylindrical inner face of the rotor.
Selon un mode de réalisation préféré, les premières roues sont du type roue ferroviaire et coopèrent avec des rails circulaires disposés sur la face intérieure cylindrique du rotor.  According to a preferred embodiment, the first wheels are of the railway wheel type and cooperate with circular rails arranged on the cylindrical inner face of the rotor.
De manière avantageuse, les moyens de transmission sont du type poulies-courroies et comprennent une pluralité de poulies motrices, de poulies réceptrices et de courroies et, si nécessaire, des galets de tension.  Advantageously, the transmission means are of the pulley-belt type and comprise a plurality of driving pulleys, receiving pulleys and belts and, if necessary, tension rollers.
Chaque aube est de préférence au moins en partie repliable entre une position "ouverture" permettant de capter le flux de liquide et une position "fermeture" pour éviter d'entraver le mouvement de rotation du rotor et limiter la prise au vent dudit rotor.  Each blade is preferably at least partly collapsible between an "open" position to capture the flow of liquid and a "closed" position to avoid impeding the rotational movement of the rotor and limit the wind setting of said rotor.
Selon un mode de réalisation préféré, chaque aube comporte une partie fixe solidaire de la face extérieure du rotor, une partie mobile articulée à l'extrémité libre de ladite partie fixe autour d'un axe sensiblement parallèle à l'axe de rotation du rotor, et un élément de retenue joignant l'extrémité libre de ladite partie mobile à la partie fixe de l'aube située en amont.  According to a preferred embodiment, each blade comprises a fixed part integral with the outer face of the rotor, a movable part articulated at the free end of said fixed part about an axis substantially parallel to the axis of rotation of the rotor, and a retaining element joining the free end of said movable portion to the fixed portion of the blade upstream.
Le dispositif selon l'invention comporte une structure sur laquelle est monté pivotant le rotor à aubes et permettant d'ajuster la position verticale dudit rotor par rapport au liquide.  The device according to the invention comprises a structure on which is mounted pivoting the blade rotor and for adjusting the vertical position of said rotor relative to the liquid.
De manière préférée, la structure comprend au moins : Preferably, the structure comprises at least:
- deux poteaux sensiblement verticaux, two substantially vertical posts,
- un premier plateau incliné et articulé à son extrémité longitudinale amont auxdits poteaux autour d'un axe sensiblement horizontal et perpendiculaire à la direction d'écoulement du liquide, a first inclined plate articulated at its end longitudinal upstream to said posts about a substantially horizontal axis and perpendicular to the direction of flow of the liquid,
- un deuxième plateau sensiblement horizontal et articulé à l'extrémité longitudinale aval dudit premier plateau autour d'un axe parallèle audit axe et muni à chacun de ses bords latéraux d'une ossature recevant le rotor, et  a second substantially horizontal plate articulated at the longitudinal end downstream of said first plate about an axis parallel to said axis and provided at each of its lateral edges with a frame receiving the rotor, and
- deux bras, chacun étant monté pivotant, autour d'axes parallèles audit axe, à l'une de ses extrémités sur l'un des poteaux et à l'autre extrémité au sommet de l'ossature associée .  two arms, each being pivotally mounted, about axes parallel to said axis, at one of its ends on one of the posts and at the other end at the top of the associated framework.
Les premier et deuxième plateaux forment avantageusement un dispositif de guidage permettant de canaliser et d'augmenter le débit du liquide au niveau de la partie immergée du rotor.  The first and second plates advantageously form a guiding device for channeling and increasing the liquid flow at the immersed part of the rotor.
Description sommaire des figures Brief description of the figures
D'autres avantages et caractéristiques ressortiront mieux de la description qui va suivre de plusieurs variantes d'exécution, données à titre d'exemples non limitatifs, d'un quai dispositif de production hydroélectrique conforme à l'invention, en référence aux dessins dans lesquels :  Other advantages and features will emerge more clearly from the following description of several alternative embodiments, given by way of non-limiting examples, of a wharf hydroelectric production device according to the invention, with reference to the drawings in which :
- la figure 1 est une vue de face d'un dispositif de production hydroélectrique selon l'invention,  FIG. 1 is a front view of a hydroelectric generating device according to the invention,
- la figure 2 est une vue en coupe transversale du dispositif de production hydroélectrique de la figure 1, FIG. 2 is a cross-sectional view of the hydroelectric generating device of FIG. 1;
- la figure 3 est une autre vue en coupe transversale du dispositif de production hydroélectrique de la figure 1. - Figure 3 is another cross-sectional view of the hydroelectric generating device of Figure 1.
Meilleure manière de réaliser l'invention technique Best way to realize the technical invention
En référence aux figures 1 à 3, le dispositif 1 de production hydroélectrique selon l'invention comporte une structure 2 supportant au moins un rotor 3 à aubes 4 disposé au moins en partie dans un flux de liquide du type cours d'eau 5 tel que, par exemple, un fleuve ou encore une rivière . With reference to FIGS. 1 to 3, the hydroelectric generating device 1 according to the invention comprises a structure 2 supporting at least one rotor 3 with blades 4 disposed at least in part in a stream of liquid type stream 5 such as, for example, a river or a river.
Ladite structure 2 comprend au moins deux poteaux 21 sensiblement verticaux ancrés dans le fond dudit cours d'eau 5 de façon à être disposés selon une direction globalement perpendiculaire à la direction d'écoulement du cours d'eau 5. La structure 2 comporte également un dispositif de guidage 22 de fluide monté pivotant à son extrémité longitudinale amont entre lesdits poteaux 21 autour d'un axe 23 de rotation sensiblement horizontal et perpendiculaire à la direction d'écoulement du cours d'eau 5. Ledit dispositif de guidage 22 permet de canaliser et d'augmenter le débit d'eau au niveau de la partie immergée du rotor 3 à aubes 4.  Said structure 2 comprises at least two substantially vertical posts 21 anchored in the bottom of said stream 5 so as to be arranged in a direction generally perpendicular to the direction of flow of the stream 5. The structure 2 also comprises a fluid guiding device 22 pivotally mounted at its longitudinal end upstream between said posts 21 about an axis of substantially horizontal rotation and perpendicular to the direction of flow of the stream 5. Said guide device 22 can channel and to increase the flow of water at the immersed portion of the impeller 4 rotor 4.
On désigne ici par "amont" des éléments disposés avant des éléments "aval" suivant la direction d'écoulement du liquide du cours d'eau 5 et inversement.  Here, "upstream" is understood to mean elements arranged before "downstream" elements in the direction of flow of the liquid of the stream 5 and vice versa.
Ledit dispositif de guidage 22 comporte un premier plateau 24 incliné et articulé auxdits poteaux 21 à son extrémité longitudinale amont et un deuxième plateau 25 sensiblement horizontal et articulé à l'extrémité longitudinale aval dudit premier plateau 24 autour d'un axe 26 parallèle à l'axe de rotation 23 du dispositif de guidage 22. Le deuxième plateau 25 est muni à chacun de ses bords latéraux d'une ossature 27 avantageusement en forme de V inversé, le rotor 3 à aubes 4 étant monté pivotant sur les sommets desdites ossatures 24 autour d'un axe de rotation 28 sensiblement parallèle à l'axe de rotation 23 du dispositif de guidage 22. La structure 2 comporte enfin deux bras 29, chacun étant monté pivotant, autour d'axes parallèles à l'axe 23 de rotation du dispositif de guidage 22, à l'une de ses extrémités sur l'un des poteaux 21 et à l'autre extrémité au sommet de l'ossature 27 associée. Said guiding device 22 comprises a first plate 24 inclined and articulated to said posts 21 at its longitudinal end upstream and a second substantially horizontal plate 25 and articulated at the longitudinal end downstream of said first plate 24 about an axis 26 parallel to the rotation axis 23 of the guide device 22. The second plate 25 is provided at each of its lateral edges with a frame 27 advantageously V-shaped inverted, the rotor 3 with blades 4 being pivotally mounted on the vertices of said frameworks 24 around an axis of rotation 28 substantially parallel to the axis of rotation 23 of the guide device 22. The structure 2 finally comprises two arms 29, each being pivotally mounted about axes parallel to the axis 23 of rotation of the device 22 at one of its ends on one of the posts 21 and at the other end at the top of the associated framework 27.
Avec une telle configuration en forme globale de parallélogramme déformable, la structure 2 permet d'ajuster la position verticale du rotor 3 à aubes 4 en fonction de la hauteur du niveau du cours d'eau 5 qui varie selon les saisons notamment.  With such a configuration in the overall form of deformable parallelogram, the structure 2 makes it possible to adjust the vertical position of the rotor 3 with vanes 4 as a function of the height of the level of the stream 5 which varies according to the seasons in particular.
Le dispositif 1 de production hydroélectrique selon l'invention comporte également des moyens de production 6 d'énergie électrique entraînés en rotation grâce à la rotation du rotor 3 à aubes 4. Ces moyens de production 6 sont disposés à l'intérieur dudit rotor 3, ce dernier étant de préférence un cylindre creux fermé à chacune de ses extrémités longitudinales par un flasque 7, au moins l'un desdits flasques 7 comportant une porte d'accès 8 pour entrer à 1 ' intérieur du rotor 3 et accéder aux moyens de production 6.  The hydroelectric generating device 1 according to the invention also comprises means 6 for producing electrical energy driven in rotation by virtue of the rotation of the rotor 3 with blades 4. These production means 6 are arranged inside said rotor 3, the latter being preferably a hollow cylinder closed at each of its longitudinal ends by a flange 7, at least one of said flanges 7 having an access door 8 to enter the inside of the rotor 3 and access the means of production 6.
En référence aux figures 1 et 2, lesdits moyens de production 6 comprennent au moins une enceinte 9 apte à pivoter à l'intérieur du rotor 3, contenant un alternateur 10 et munie d'un contrepoids 11 dans sa partie basse pour stabiliser l'enceinte 9 dans une position verticale déterminée. Ladite enceinte 9 comporte en outre deux premières roues 12 montées pivotantes sur les extrémités basses de chacune de ses faces latérales, autour d'axes parallèles à l'axe de rotation 28 du rotor 3, pour permettre son pivotement à l'intérieur du rotor 3, lesdites premières roues 12 étant en appui directement ou indirectement sur la face intérieure cylindrique du rotor 3.  With reference to FIGS. 1 and 2, said production means 6 comprise at least one enclosure 9 capable of pivoting inside the rotor 3, containing an alternator 10 and provided with a counterweight 11 in its lower part to stabilize the enclosure 9 in a certain vertical position. Said enclosure 9 further comprises two first wheels 12 pivotally mounted on the lower ends of each of its lateral faces, about axes parallel to the axis of rotation 28 of the rotor 3, to allow it to pivot within the rotor 3 , said first wheels 12 bearing directly or indirectly on the cylindrical inner face of the rotor 3.
Selon un mode de réalisation préféré, les premières roues 12 sont du type roue ferroviaire et coopèrent avec un rail 13 circulaire disposé sur la face intérieure cylindrique du rotor 3. Chaque enceinte 9 est donc en appui sur deux rails 13 par deux paires de premières roues 12. Selon une variante de réalisation non représentée, les premières roues 12 sont directement en appui sur la face intérieure cylindrique du rotor 3, ladite surface pouvant être munie de deux rainures de guidage aménagées dans ladite face intérieure. According to a preferred embodiment, the first wheels 12 are of the railway wheel type and cooperate with a circular rail 13 disposed on the cylindrical inner face of the rotor 3. Each enclosure 9 is thus supported on two rails 13 by two pairs of first wheels 12. According to an alternative embodiment not shown, the first wheels 12 are directly supported on the cylindrical inner face of the rotor 3, said surface being able to be provided with two guide grooves formed in said inner face.
L'enceinte 9 comporte avantageusement une deuxième roue 14 montée pivotante sur l'extrémité haute de chacune de ses faces latérales. Ces deux deuxièmes roues 14 garantissent le maintien du contact entre les premières roues 12 et les deux rails 13 même s'il y a des remous à la surface du cours d'eau 5 occasionnant des mouvements intempestifs du rotor 3 et donc de l'enceinte 9.  The enclosure 9 advantageously comprises a second wheel 14 pivotally mounted on the upper end of each of its lateral faces. These two second wheels 14 guarantee the maintenance of contact between the first wheels 12 and the two rails 13 even if there are eddies on the surface of the stream 5 causing inadvertent movements of the rotor 3 and therefore the enclosure 9.
Avec un telle configuration, on comprend bien que, lorsque le rotor 3 à aubes 4 tourne autour de son axe de rotation 28 grâce au flux du cours d'eau 5, l'enceinte 9, qui devrait être entraînée en rotation grâce au frottement entre les premières roues 12 et les deux rails 13, ne tourne pratiquement pas et se stabilise très rapidement, grâce au contrepoids 11, dans une position telle que son axe de symétrie 91 est sensiblement vertical.  With such a configuration, it is well understood that, when the rotor 3 with blades 4 rotates about its axis of rotation 28 thanks to the flow of the stream 5, the chamber 9, which should be rotated by the friction between the first wheels 12 and the two rails 13, does not substantially rotate and stabilizes very quickly, thanks to the counterweight 11, in a position such that its axis of symmetry 91 is substantially vertical.
L'Homme du Métier n'aura aucune difficulté à déterminer la valeur du contrepoids 11 à mettre en œuvre pour garantir le maintien de l'enceinte 9 en position verticale .  The skilled person will have no difficulty in determining the value of the counterweight 11 to implement to ensure the maintenance of the enclosure 9 in a vertical position.
Lorsque le rotor 3 à aubes 4 tourne autour de son axe de rotation 28 grâce au flux du cours d'eau 5, les premières roues 12 sont entraînées en rotation et entraînent à leur tour en rotation l'arbre 15 de l'alternateur 10 afin de produire de l'énergie électrique.  When the rotor 3 to blades 4 rotates about its axis of rotation 28 thanks to the flow of the stream 5, the first wheels 12 are rotated and in turn rotate the shaft 15 of the alternator 10 so as to to produce electrical energy.
Pour cela, en référence à la figure 3, les moyens de production 6 comportent des moyens de transmission 16 comprenant avantageusement une pluralité de poulies motrices 161a, b,c, de poulies réceptrices 162a, b, c et de courroies 163a, b, c et, si nécessaire, des galets de tension 164b, c, lesdits moyens de transmission 16 permettant de transmettre le mouvement à l'arbre 15 de l'alternateur 10 et d'adapter la vitesse de rotation de ce dernier par rapport à celle des premières roues 12 et donc du rotor 3 à aubes 4. For this, with reference to FIG. 3, the production means 6 comprise transmission means 16 advantageously comprising a plurality of driving pulleys 161a, b, c, of pulleys 162a, b, c and belts 163a, b, c and, if necessary, pebbles voltage 164b, c, said transmission means 16 for transmitting the movement to the shaft 15 of the alternator 10 and to adapt the speed of rotation of the latter relative to that of the first wheels 12 and therefore the rotor 3 to blades 4.
Enfin, en référence aux figures 1 et 2, pour accroître le rendement du dispositif 1 de production hydroélectrique, le rotor 3 est mis en mouvement par une pluralité d'aubes 4 de préférence au moins en partie repliables entre une position "ouverture" permettant de capter le flux du cours d'eau 5 et une position "fermeture" pour éviter d'entraver le mouvement de rotation du rotor 3 et limiter la prise au vent dudit rotor 3.  Finally, with reference to FIGS. 1 and 2, to increase the efficiency of the hydroelectric generating device 1, the rotor 3 is set in motion by a plurality of vanes 4, preferably at least partly folding between an "open" position allowing sensing the flow of the watercourse 5 and a "closing" position to avoid hindering the rotational movement of the rotor 3 and limiting the wind setting of said rotor 3.
Pour cela, chaque aube 4 comporte une partie fixe 41 solidaire de la face extérieure du rotor 3, une partie mobile 42 articulée à l'extrémité libre de ladite partie fixe 41 autour d'un axe sensiblement parallèle à l'axe de rotation 28 du rotor 3, et un élément de retenue 43 joignant à l'extrémité libre de ladite partie mobile 42 à la partie fixe 41 de l'aube 4 située en amont.  For this, each vane 4 comprises a fixed portion 41 secured to the outer face of the rotor 3, a movable portion 42 hinged to the free end of said fixed portion 41 about an axis substantially parallel to the axis of rotation 28 of the rotor 3, and a retaining element 43 joining at the free end of said movable portion 42 to the fixed portion 41 of the blade 4 located upstream.
Ainsi, un peu avant d'entrer dans le cours d'eau 5, chaque aube 4 se déplie sous l'effet de la gravité jusqu'à sa position "ouverture", c'est-à-dire que sa partie mobile 42 pivote selon une direction opposée du rotor 3 jusqu'à ce que l'élément de retenue 43 soit tendu, de manière à ce qu'une fois immergée dans le cours d'eau 5 l'aube 4 puisse capter le flux maximum dudit cours d'eau 5. Ensuite, un peu avant de sortir du cours d'eau 5, chaque aube 4 se replie sous l'effet de la gravité jusqu'à sa position "fermeture", c'est-à-dire que sa partie mobile 42 pivote en direction du rotor 3 jusqu'à venir en appui sur la partie fixe 41 de l'aube 4 située en amont, l'élément de retenue 43 étant alors totalement détendu.  Thus, a little before entering the stream 5, each blade 4 unfolds under the effect of gravity to its position "opening", that is to say that its mobile part 42 pivots in an opposite direction of the rotor 3 until the retaining element 43 is stretched, so that once immersed in the stream 5 the dawn 4 can capture the maximum flow of said course of water 5. Then, a little before leaving the stream 5, each blade 4 folds under the effect of gravity to its "closed" position, that is to say that its mobile part 42 pivots towards the rotor 3 until it bears on the fixed part 41 of the blade 4 situated upstream, the retaining element 43 then being completely relaxed.
L'Homme du Métier n'aura aucune difficulté à déterminer la longueur de l'élément de retenue 43 à mettre en œuvre pour limiter le pivotement de la partie mobile 42 et garantir le meilleur rendement de chaque aube 4 dans sa position "ouverture". The skilled person will have no difficulty in determine the length of the retaining element 43 to implement to limit the pivoting of the movable portion 42 and ensure the best performance of each blade 4 in its "open" position.
On comprend bien qu'ainsi configuré le dispositif 1 de production hydroélectrique, selon l'invention, permet une production d'énergie électrique à partir d'une source d'énergie renouvelable. En outre, ledit dispositif 1 de production hydroélectrique est particulièrement compact et facile à mettre en œuvre et s'adapte aux variations saisonnières du niveau du cours d'eau 5.  It is well understood that thus configured the hydroelectric generating device 1, according to the invention, allows a production of electrical energy from a renewable energy source. In addition, said hydroelectric generating device 1 is particularly compact and easy to implement and adapts to seasonal variations in the level of the watercourse 5.
Possibilité d ' application industrielle Possibility of industrial application
Comme décrit précédemment, le dispositif 1 de production hydroélectrique, selon l'invention, s'applique plus particulièrement au cours d'eau du type rivière ou fleuve. Il va de soi que le dispositif 1 de production hydroélectrique peut également être installé dans tout autre type de flux de liquide.  As previously described, the hydroelectric generating device 1 according to the invention is more particularly applicable to the river or river type stream. It goes without saying that the hydroelectric generating device 1 can also be installed in any other type of liquid flow.
Enfin, il est clair que la présente invention ne se limite pas à la seule forme d'exécution de ce dispositif 1 de production hydroélectrique ; elle en embrasse, au contraire, toutes les variantes de réalisation et d'application respectant le même principe.  Finally, it is clear that the present invention is not limited to the sole embodiment of this device 1 for hydroelectric production; it embraces, on the contrary, all variants of implementation and application respecting the same principle.

Claims

REVENDICATIONS
1 - Dispositif (1) de production hydroélectrique comportant :  1 - Hydroelectric generating device (1) comprising:
- un rotor (3) à aubes (4) disposé au moins en partie dans un flux de liquide et apte à pivoter autour d'un axe de rotation (28) sensiblement horizontal et perpendiculaire à la direction d'écoulement du liquide,  - a rotor (3) with vanes (4) disposed at least partly in a liquid flow and adapted to pivot about an axis of rotation (28) substantially horizontal and perpendicular to the direction of flow of the liquid,
- des moyens de production (6) comprennent au moins une enceinte (9) apte à pivoter à l'intérieur du rotor (3) grâce à des premières roues (12), contenant un alternateur (10) et munie d'un contrepoids (11) dans sa partie basse pour la stabiliser dans une position telle que son axe de symétrie (91) est sensiblement vertical lorsque le rotor (3) tourne autour de son axe de rotation (28) sous l'action du flux de liquide, et  - production means (6) comprise at least one enclosure (9) capable of pivoting inside the rotor (3) by means of first wheels (12) containing an alternator (10) and provided with a counterweight ( 11) in its lower part to stabilize it in a position such that its axis of symmetry (91) is substantially vertical when the rotor (3) rotates about its axis of rotation (28) under the action of the liquid flow, and
- des moyens de transmission (16) permettant de transmettre le mouvement des premières roues (12) à l'arbre (15) de l'alternateur (10) pour le faire pivoter et produire du courant électrique,  - transmission means (16) for transmitting the movement of the first wheels (12) to the shaft (15) of the alternator (10) to rotate it and produce electric current,
ledit dispositif (1) de production hydroélectrique étant caractérisé en ce que l'enceinte (9) comporte deux premières roues (12) montées pivotantes sur les extrémités basses de chacune de ses faces latérales, autour d'axes parallèles à l'axe de rotation (28) du rotor (3), lesdites premières roues (12) étant en appui directement ou indirectement sur la face intérieure cylindrique du rotor (3), et une deuxième roue (14) montée pivotante sur l'extrémité haute de chacune de ses faces latérales et garantissant le maintien du contact direct ou indirect entre les premières roues (12) et la face intérieure cylindrique du rotor (3) .  said device (1) for hydroelectric production being characterized in that the enclosure (9) comprises two first wheels (12) pivotally mounted on the lower ends of each of its lateral faces, about axes parallel to the axis of rotation (28) of the rotor (3), said first wheels (12) bearing directly or indirectly on the cylindrical inner face of the rotor (3), and a second wheel (14) pivotally mounted on the upper end of each of its side faces and ensuring the maintenance of direct or indirect contact between the first wheels (12) and the cylindrical inner face of the rotor (3).
2 - Dispositif (1) selon la revendication 1 caractérisé en ce que les premières roues (12) sont du type roue ferroviaire et coopèrent avec des rails (13) circulaires disposés sur la face intérieure cylindrique du rotor ( 3 ) . 3 - Dispositif (1) selon l'une quelconque des revendications 1 ou 2 caractérisé en ce que les moyens de transmission (16) sont du type poulies-courroies et comprennent une pluralité de poulies motrices (161a, b,c), de poulies réceptrices (162a, ,c) et de courroies (163a, ,c) et, si nécessaire, des galets de tension ( 164b, c) . 2 - Device (1) according to claim 1 characterized in that the first wheels (12) are of the type rail wheel and cooperate with circular rails (13) arranged on the cylindrical inner face of the rotor (3). 3 - Device (1) according to any one of claims 1 or 2 characterized in that the transmission means (16) are of the pulley-belt type and comprise a plurality of pulleys (161a, b, c) pulleys receivers (162a,, c) and belts (163a,, c) and, if necessary, tension rollers (164b, c).
4 - Dispositif (1) selon l'une quelconque des revendications 1 à 3 caractérisé en ce que chaque aube (4) est au moins en partie repliable entre une position "ouverture" permettant de capter le flux de liquide et une position "fermeture" pour éviter d'entraver le mouvement de rotation du rotor (3) et limiter la prise au vent dudit rotor ( 3 ) . 4 - Device (1) according to any one of claims 1 to 3 characterized in that each blade (4) is at least partially foldable between an "open" position to capture the flow of liquid and a "closed" position to avoid hindering the rotational movement of the rotor (3) and limit the wind setting of said rotor (3).
5 - Dispositif (1) selon la revendication 4 caractérisé en ce que chaque aube (4) comporte une partie fixe (41) solidaire de la face extérieure du rotor (3), une partie mobile (42) articulée à l'extrémité libre de ladite partie fixe (41) autour d'un axe sensiblement parallèle à l'axe de rotation (28) du rotor (3), et un élément de retenue (43) joignant l'extrémité libre de ladite partie mobile (42) à la partie fixe (41) de l'aube (4) située en amont . 5 - Device (1) according to claim 4 characterized in that each blade (4) comprises a fixed portion (41) integral with the outer face of the rotor (3), a movable portion (42) articulated to the free end of said fixed portion (41) about an axis substantially parallel to the axis of rotation (28) of the rotor (3), and a retaining element (43) joining the free end of said movable portion (42) to the fixed part (41) of the blade (4) located upstream.
6 - Dispositif (1) selon l'une quelconque des revendications 1 à 5 caractérisé en ce qu'il comporte une structure (2) sur laquelle est monté pivotant le rotor (3) à aubes (4) et permettant d'ajuster la position verticale dudit rotor (3) par rapport au liquide. 6 - Device (1) according to any one of claims 1 to 5 characterized in that it comprises a structure (2) on which is pivotally mounted the rotor (3) with blades (4) and for adjusting the position vertical said rotor (3) with respect to the liquid.
7 - Dispositif (1) selon la revendication 6 caractérisé en ce que la structure (2) comprend au moins : 7 - Device (1) according to claim 6 characterized in that the structure (2) comprises at least:
- deux poteaux (21) sensiblement verticaux,  two posts (21) substantially vertical,
- un premier plateau (24) incliné et articulé à son extrémité longitudinale amont auxdits poteaux (21) autour d'un axe (23) sensiblement horizontal et perpendiculaire à la direction d'écoulement du liquide,  - a first plate (24) inclined and articulated at its longitudinal end upstream to said posts (21) about an axis (23) substantially horizontal and perpendicular to the direction of flow of the liquid,
- un deuxième plateau (25) sensiblement horizontal et articulé à l'extrémité longitudinale aval dudit premier plateau (24) autour d'un axe (26) parallèle audit axe (23) et muni à chacun de ses bords latéraux d'une ossature (27) recevant le rotor (3), et  a second plate (25) substantially horizontal and articulated at the longitudinal end downstream of said first plate (24) about an axis (26) parallel to said axis (23) and provided at each of its lateral edges with a frame ( 27) receiving the rotor (3), and
- deux bras (29), chacun étant monté pivotant, autour d'axes (30) parallèles audit axe (23), à l'une de ses extrémités sur l'un des poteaux (21) et à l'autre extrémité au sommet de l'ossature (27) associée. 8 - Dispositif (1) selon la revendication 7 caractérisé en ce que les premier et deuxième plateaux (24,25) forment un dispositif de guidage (22) permettant de canaliser et d'augmenter le débit du liquide au niveau de la partie immergée du rotor (3) .  - two arms (29), each being pivotally mounted, about axes (30) parallel to said axis (23), at one of its ends on one of the posts (21) and at the other end at the top of the associated framework (27). 8 - Device (1) according to claim 7 characterized in that the first and second plates (24,25) form a guide device (22) for channeling and increasing the liquid flow at the submerged portion of the rotor (3).
PCT/FR2015/051880 2014-07-08 2015-07-07 Device for hydroelectric generation WO2016005698A1 (en)

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WO2017200383A1 (en) * 2016-05-19 2017-11-23 Eqa Projects B.V. Apparatus for generating energy from flowing water
NL2016796B1 (en) * 2016-05-19 2017-12-05 Eqa Projects B V Device for generating energy from running water.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US833361A (en) * 1905-10-23 1906-10-16 John T Wilmore Wave and current electrical generator.
AT92938B (en) * 1921-07-07 1923-06-11 Paul Niemiez Hydro machine.
US2222790A (en) * 1938-08-15 1940-11-26 Johann Van Scharrel Hydraulic power plant
US4104536A (en) * 1976-04-27 1978-08-01 Anton Franz Gutsfeld Stream -or river-powered turbine
JP2003307173A (en) * 2002-04-15 2003-10-31 Masaru Ijuin Buoyancy type power generation device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US833361A (en) * 1905-10-23 1906-10-16 John T Wilmore Wave and current electrical generator.
AT92938B (en) * 1921-07-07 1923-06-11 Paul Niemiez Hydro machine.
US2222790A (en) * 1938-08-15 1940-11-26 Johann Van Scharrel Hydraulic power plant
US4104536A (en) * 1976-04-27 1978-08-01 Anton Franz Gutsfeld Stream -or river-powered turbine
JP2003307173A (en) * 2002-04-15 2003-10-31 Masaru Ijuin Buoyancy type power generation device

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