WO2020138601A1 - Appareil de production d'énergie utilisant l'énergie éolienne et l'énergie hydraulique - Google Patents

Appareil de production d'énergie utilisant l'énergie éolienne et l'énergie hydraulique Download PDF

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Publication number
WO2020138601A1
WO2020138601A1 PCT/KR2019/005945 KR2019005945W WO2020138601A1 WO 2020138601 A1 WO2020138601 A1 WO 2020138601A1 KR 2019005945 W KR2019005945 W KR 2019005945W WO 2020138601 A1 WO2020138601 A1 WO 2020138601A1
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WIPO (PCT)
Prior art keywords
power
power generation
wind
rotor
water
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Ceased
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PCT/KR2019/005945
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English (en)
Korean (ko)
Inventor
윤성현
유기조
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Individual
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Publication of WO2020138601A1 publication Critical patent/WO2020138601A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/008—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with water energy converters, e.g. a water turbine
    • 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
    • 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
    • F03B7/003—Water wheels with buckets receiving the liquid
    • 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
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/002—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  the axis being horizontal
    • 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
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • 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
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • 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
    • Y02E10/70—Wind energy
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

Definitions

  • the present invention relates to a power generation device using wind power and water power, and more specifically, to a power generation device using improved wind power and water power to improve power generation efficiency and increase power generation operation rate by installing wind power and water power together in a valley or the like. It is about.
  • General power generation methods include hydroelectric power generation, thermal power generation, and nuclear power generation. These power generation methods require large-scale power generation facilities, and in the case of thermal power generation, a large amount of oil or coal energy is necessary to operate the power generation facilities. Since it has to be supplied to the country, the depletion of fossil fuels and the serious environmental pollution caused by it have been raised as a big problem. In the case of nuclear power generation, the leakage of radioactivity and the disposal of nuclear waste have been raised as serious problems.
  • wind power generators are used to convert the rotational power obtained from a rotating blade rotated by wind into electrical energy and use it.
  • the wind strength is small. In this case, there is a problem that the rotating blade is not rotated or the rotational speed is reduced, thereby reducing the power generation performance.
  • hydroelectric power is a power generation means that creates a dam, obtains the power of the water drop, and turns the aberration to generate electricity. In this process, it judges both the construction cost of dams, the sinking land, and the impact on the environment.
  • the series of processes for constructing a hydroelectric dam by calculating the extent to store the severe and watery water had problems such as time, manpower, capital and environmental destruction.
  • the wind power generation unit is installed on both sides of the hydroelectric power generation unit is provided with a combined power generation device using water power and wind power
  • the complex power generation device is a plurality of inclined upward from the front to the rear It is arranged to greatly increase the power generation capacity
  • the channel of the hydroelectric power generation unit is formed in a step shape
  • the rotational force is a means of pressing the blade located at the lower part of the rotor by the water pressure flowing along the wall surface and the bottom surface of the water channel. It is to provide a power generation device using wind power and hydraulic power to generate a strong torque with a configuration that has a rotational force to rotate the blade by the wind, the blade located on the upper outer side of the rotor.
  • the present invention is equipped with a means to supply the water supplied to the waterway of the hydroelectric power generation to the upper side of the power generation device by a pump separately, and then the power generation device according to the present invention is a lake, reservoir, farm, multi-purpose It is installed in a place where water quality purification is required, such as a dam, to have a power generation device capable of improving water quality as a means for circulating water and supplying oxygen.
  • the present invention is provided with a first rotor provided with a plurality of first blades is installed on a power generation shaft that is intersecting on the upper side of the waterway hydroelectric power generation unit having a rotational force by hydraulic power;
  • a wind power generator that is disposed on both sides of the hydroelectric power generation unit and is provided with a plurality of second blades on the same axis on the power generation shaft to have rotational force by wind power.
  • a plurality of the combined power generation device is arranged at regular intervals in an upwardly inclined position from the front to the rear, and the waterway of the hydroelectric power unit is provided in the form of a staircase, and a first rotor is respectively installed above the bottom surface of the waterway,
  • the water pressure of the water is transmitted to the first blade, which is adjacent to the stepped wall surface and the bottom surface of the waterway and is located inside and below the first rotor, to generate rotational force, and to be located outside the upper part of the first rotor.
  • Wind pressure is transmitted to the first blade to generate rotational power, and it is characterized by a power generation device using wind power and water power, which are used to generate wind and water in parallel.
  • the first rotor of the hydroelectric power generation unit is composed of a configuration in which the rotating disks are vertically opposed to each other at regular intervals, but the first blades are spaced apart from each other and installed at equal intervals in an inclined direction, and a bent contact section is formed inside the inner end.
  • the first blade is positioned on the inner side and the lower side of the first rotor to generate rotational force by hydraulic pressure, and is located on the upper outer side of the first rotor. It is characterized in that the power generation is made by generating a rotational force by the wind pressure.
  • a rectangular wind-preventing plate made of a predetermined width up and down is intersected between the front and rear of the combined power generation device arranged in plural.
  • the second rotor of the wind power generation unit is located inside the second blade, and a wind direction inducing member is disposed on an outer side of the central rotation shaft, wherein the wind direction inducing member has a wind direction focusing groove formed in a central portion and both sides of the wind direction focusing groove are expanded.
  • a trumpet-shaped inclined surface is formed and is connected to the second rotor, so that the wind is concentrated on the circumferential surface of the wind direction focusing groove, thereby increasing the wind pressure.
  • the second blade disposed on the second rotor is characterized in that it is disposed inclined inward in the rotational direction of the outer rotor portion from the inner rotor portion.
  • the present invention generates a rotational power by a strong rotation moment action by a combined power generating means that rotates the power generation shaft by hydraulic power and wind power, and a plurality of such complex power generation devices are arranged at regular intervals in an upwardly inclined position from front to rear. There is an effect capable of generating large-capacity power generation by the combined power generation device.
  • hydroelectric power is generated by blades located at the inner and lower parts of the rotor, and wind pressure is transmitted to the blades located at the upper and outer sides of the rotor, so that wind power generation can be performed at the same time. It has the effect of obtaining a strong rotation moment.
  • the present invention is provided with a means for supplying the water supplied to the waterway of the hydroelectric power generation to the upper side of the power generation device by means of a pump separately and then installing it in a place where water quality purification is required, thereby circulating water and supplying oxygen.
  • a means for supplying the water supplied to the waterway of the hydroelectric power generation to the upper side of the power generation device by means of a pump separately and then installing it in a place where water quality purification is required, thereby circulating water and supplying oxygen.
  • FIG. 1 is a perspective view showing the configuration of a power generation device using wind power and water power according to the present invention.
  • Figure 2 is a perspective view showing a waterway, etc. in a state in which the first and second rotors are separated from the power generation device using wind power and water power according to the present invention.
  • Figure 3 is a partial perspective view showing that the first rotor is installed in the center and the second rotor is installed on both sides of the same axis on the power generation shaft in the power generation apparatus using wind and water power according to the present invention.
  • Figure 4 is a front view showing a form in which the second rotor is disposed on both sides of the hydroelectric power generation unit and the power generation device using the wind and water power according to the present invention.
  • Figure 5 is a side cross-sectional view showing the installation state of the hydroelectric power generation unit in the power generation apparatus using wind and water power according to the present invention.
  • Figure 6 is an enlarged cross-sectional view showing a portion of the first blade disposed on the first rotor of the hydroelectric power generation unit in the power generation apparatus using wind and water power according to the present invention.
  • FIG. 7 is a cross-sectional view showing a portion A-A' in FIG. 4;
  • FIG. 8 is a cross-sectional view showing a portion B-B' in FIG. 4;
  • FIG. 9 is a partially enlarged perspective view showing an arrangement form of a wind direction inducing member in a state where a blade of a wind power generation part is partially cut off in a power generation device using wind power and water power according to the present invention.
  • the first rotor 120 provided with a plurality of first blades 130 is installed on the power generation shaft 11 that is intersected on the upper side of the waterway 110 and hydraulic power Hydroelectric power generation unit 100 to have a rotational force by;
  • a second rotor 210 which is disposed on both sides of the hydroelectric power generation unit 100 and is provided with a plurality of second blades 220, is installed on the horizontal power generation shaft 11 on the same axis and is rotated by wind power. It is provided with a wind power generation unit 200 to have a power generation unit 11 is configured to generate power by the rotational power of the power generation shaft 11 is provided with a combined power generation device 10 is made of a combined power generation by water and wind.
  • the combined power generation device 10 generates rotational power by a strong rotation moment action by a combined power generation means that rotates the power generation shaft 11 by hydraulic power and wind power, and the combined power generation device 10 is raised from front to rear.
  • a large number of power generation is performed by a generator 12 to which rotational power is transmitted from the power generation shaft 11 of the complex power generation device 10 in which a plurality of the plurality of power generators are arranged at an inclined position at regular intervals.
  • the hydroelectric power generation unit 100 and the wind power generation unit 200 are divided and partitioned by side wall portions 113 formed on both sides of the waterway 110, and the waterway 110 is stepped. It is provided with a multi-stage flow of water from the top to the bottom along the waterway (110), the wind power generation unit (200) has a narrow support (15) and a support so as to keep the shape as open as possible so that the maximum inflow of wind (16) is preferably installed using a support frame (14) made of, for example.
  • the waterway 110 of the hydroelectric power generation unit 100 is provided in the form of a staircase
  • the first rotor 120 is installed on the bottom surface 112 of the waterway 110, respectively
  • the waterway 110 of the Water pressure is transmitted to the first blade 130 which is adjacent to the stepped wall surface 111 and the bottom surface 112 and is located inside and below the first rotor 120 to generate rotational force.
  • the wind pressure is transmitted to the first blade 130 positioned on the upper outer side of the rotor 120 to generate rotational force, so that wind and hydraulic power are simultaneously generated.
  • a rectangular anti-winding plate 13 having a predetermined width up and down is intersected, but the anti-winding plate 13 is provided with first and second rotors 120 (( It is installed to be placed at the 3 o'clock or 9 o'clock direction of 210, and the plurality of first and second blades 130 and 220 provided at the rear first and second rotors 120 and 210 rotate in the forward direction. It is preferable to prevent the forward rotation of the plurality of first and second blades 130 and 220 provided in the first and second rotors 120 and 210 adjacent to the front wind returning. .
  • first and second blades 130 and 220 of the first and second rotors 120 and 210 are rotated forward from the upper upper portion to the lower lower portion when the combined power generation device 10 disposed at the rear rotates.
  • the reverse wind generated by the rotational force of the first and second blades 130 and 220 returning from the rear lower portion to the front upper portion after rotating in an arc hits the anti-winding plate 13, and the combined power generating device in front (
  • the first and second blades 130 and 220 of the first and second rotors 120 and 210 disposed in 10) minimize interference of the reverse wind returning from the rear to reduce rotational resistance rotating in the forward direction. In the ship.
  • the waterway 110 of the hydroelectric power generation unit 100 generates water pressure as the water supplied from the upper side falls directly down along the stepped wall surface 111, and also by the water pressure flowing in front of the floor surface 112. Water pressure is transmitted to the first blade 130 positioned at the inner and lower parts of the first rotor 120 so as to generate rotational force by means of pressing the first blade 130 forward from the rear bottom. As it is, it is formed on both sides of the waterway 110 because the water flowing downward along the waterway 110 maintains a relatively smooth flow without significantly deviating from the wall surface 111 and the bottom surface 112 of the waterway 110.
  • the first rotor 120 of the hydroelectric power generation unit 100 is a configuration in which the rotating disks are installed to face each other vertically at regular intervals, and a plurality of agents arranged at equal intervals in an arc shape between these two rotating disks.
  • One blade 130 is provided.
  • Hydroelectric power is generated by the first blade 130 located on the inner and lower parts of the first rotor 120, and the first blade 130 is located on the upper outer side of the first rotor 120. Wind pressure is transmitted, so that wind power generation can be performed in parallel, thereby obtaining a strong rotational moment.
  • the first blades 130 which are disposed in plural on the first rotor 120, are spaced apart from each other and installed at equal intervals in the inclined direction, and the first blade ( A bent contact section 132 is formed inside the inner end of 130 to be guided along the first blade 130 to have a resistance due to water pressure or wind pressure that strikes the contact section 132.
  • the second rotor 210 of the wind power generator 200 has a plurality of second blades arranged at equal intervals in an arc shape between the two rotating disks in a configuration in which the rotating disks are installed to face each other vertically at regular intervals.
  • (220) is provided, and located inside the second blade 220, the wind direction inducing member 230 is disposed on the outer side of the power generation shaft 11, but the wind direction inducing member 230 has a central portion with a well-formed wind direction focusing.
  • the groove portion 231 and both sides of the wind direction focusing groove portion 231 are formed with expanded trumpet-shaped inclined surfaces 232 and connected to the second rotor 210 to wind the circumferential surface portion of the wind direction focusing groove portion 231 The wind pressure is increased by focusing.
  • Wind direction inducing member 230 of the present invention is to be able to discharge the wind concentrated in the opposite direction by focusing the wind flowing into the ventilation space portion 234 between the second blade 220 and the second blade 220 , As the wind concentrated in the opposite direction is discharged, strong wind pressure is transmitted to the wind collecting surface 222 of the second blade 220 to generate the rotational power of the strong rotating moment in the plurality of second blades 220 traveling in the forward direction. It is intended to be obtained.
  • the wind power generator 200 is disposed at the end of the rotating circumference of the wind power generator while reducing the width between the inner end and the outer end of the second blade 220.
  • the inner end of the second blade 220 adjacent to the inner end of the second blade 220 disposed in plural is spaced apart and the wind is transversely passed through the second blade 220 adjacent to the second blade 220.
  • the second blade 220 disposed on the second rotor 210 is not horizontally disposed horizontally, but is disposed to be inclined inward in the rotational direction of the outer rotor portion 210b from the inner rotor portion 210a.
  • the second blade 220 is configured to achieve, it is preferable that the wind pressure is transmitted to the wind blowing not only from the front but also from the outside, compared to the horizontally arranged horizontally, so that more effective wind power generation is achieved.
  • the combined power generation device 10 of the present invention is installed in a valley or the like to perform hydroelectric power using valley water, and also to improve power generation efficiency and increase power generation utilization rate by a combined power generation means that uses wind power using wind. do.
  • the combined power generation device 10 of the present invention is a means for supplying the water supplied to the waterway 110 of the hydroelectric power generation unit 100 to the upper side by a pump (not shown) separately to the waterway 110.
  • these combined power generators 10 are installed in places where water quality purification is required, such as lakes, reservoirs, farms, multi-purpose dams, etc., and can be used as power generation devices that can improve water quality as a means to achieve water circulation and oxygen supply. Can.
  • the present invention not only generates electricity using wind power and water power, but also conducts water circulation in a place where water purification is needed, conducts circulation, and increases the amount of dissolved oxygen by supplying oxygen, thereby suppressing the occurrence of eutrophication and effectively maintaining water quality. It has a multi-purpose function, such as being able to improve.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)
  • Hydraulic Turbines (AREA)

Abstract

La présente invention concerne un appareil de production d'énergie utilisant l'énergie éolienne et l'énergie hydraulique, qui est installé dans un creux ou similaire et utilise l'énergie éolienne et l'énergie hydraulique ensemble, ce qui permet d'améliorer ainsi le rendement de production d'énergie et d'augmenter un taux d'opération de production d'énergie. La présente invention concerne un appareil de production d'énergie utilisant l'énergie éolienne et l'énergie hydraulique. L'appareil de production d'énergie comprend des générateurs d'énergie combinés dont chacun est pourvu: d'un générateur d'énergie hydraulique dans lequel un premier rotor pourvu d'une pluralité de premières pales est installé sur un arbre de production d'énergie installé transversalement sur le côté supérieur d'un trajet d'eau de manière à avoir une force de rotation par l'intermédiaire de l'énergie hydraulique; et des générateurs d'énergie éoliennes disposés sur les côtés opposés du générateur d'énergie hydraulique et dont chacun comporte un second rotor pourvu d'une pluralité de secondes pales et installé de manière coaxiale sur l'arbre de production d'énergie de façon à avoir une force de rotation par l'intermédiaire de l'énergie éolienne. La pluralité de générateurs d'énergie combinés sont agencés à des intervalles réguliers à des positions inclinées vers le haut depuis le côté avant vers le côté arrière, le trajet d'eau du générateur d'énergie hydraulique est disposé sous une forme étagée de telle sorte que les premiers rotors soient respectivement installés sur le côté supérieur du fond du trajet d'eau, la pression d'eau est transmise aux premières pales qui sont adjacentes aux surfaces de paroi en forme d'escalier et à la surface inférieure du trajet d'eau et positionnées au niveau des côtés interne et inférieur de chacun des premiers rotors, ce qui permet de générer ainsi une force de rotation, et la pression du vent est transmise aux premières pales positionnées sur les côtés extérieurs supérieurs des premiers rotors, ce qui permet de générer ainsi une force de rotation. Grâce à cette configuration, la production d'énergie en parallèle à l'aide de l'énergie éolienne et hydraulique est réalisée
PCT/KR2019/005945 2018-12-28 2019-05-17 Appareil de production d'énergie utilisant l'énergie éolienne et l'énergie hydraulique Ceased WO2020138601A1 (fr)

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KR1020180172537A KR101965117B1 (ko) 2018-12-28 2018-12-28 풍력과 수력을 이용한 발전장치
KR10-2018-0172537 2018-12-28

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WO2020138601A1 true WO2020138601A1 (fr) 2020-07-02

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
IT202200020925A1 (it) * 2022-10-11 2024-04-11 Enrico Rosetta Turbina idroelettrica che funziona per mezzo di condotti riempiti di acqua in alto e svuotati in basso.

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KR102180515B1 (ko) * 2020-07-23 2020-11-25 올컴에너지 주식회사 하이브리드 수차형 풍력발전장치

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JP3146225U (ja) * 2008-08-28 2008-11-06 良一 上垣内 水力発電装置
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KR100950533B1 (ko) 2009-09-11 2010-03-31 김성중 수력과 풍력을 이용한 복합 발전장치
KR101038451B1 (ko) 2009-09-17 2011-06-01 (주)흥일엔지니어링 풍력과 수력을 이용한 발전장치
KR101194893B1 (ko) 2011-12-07 2012-10-25 신익조 풍력과 수력겸용 발전장치

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Publication number Priority date Publication date Assignee Title
KR20040020198A (ko) * 2002-08-30 2004-03-09 주식회사 엔지테크놀러지 사보니우스 날개
KR20080070179A (ko) * 2007-01-25 2008-07-30 허정 소수력과 풍력의 동시 발전장치
JP3146225U (ja) * 2008-08-28 2008-11-06 良一 上垣内 水力発電装置
KR20120095752A (ko) * 2011-02-21 2012-08-29 한국해양연구원 조류력 및 풍력을 이용한 복합발전장치
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202200020925A1 (it) * 2022-10-11 2024-04-11 Enrico Rosetta Turbina idroelettrica che funziona per mezzo di condotti riempiti di acqua in alto e svuotati in basso.

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