WO2017145489A1 - 水力発電装置 - Google Patents
水力発電装置 Download PDFInfo
- Publication number
- WO2017145489A1 WO2017145489A1 PCT/JP2016/086365 JP2016086365W WO2017145489A1 WO 2017145489 A1 WO2017145489 A1 WO 2017145489A1 JP 2016086365 W JP2016086365 W JP 2016086365W WO 2017145489 A1 WO2017145489 A1 WO 2017145489A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- rotor
- support ring
- holding body
- generator
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 87
- 238000010248 power generation Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000002262 irrigation Effects 0.000 claims description 5
- 238000003973 irrigation Methods 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 241000251468 Actinopterygii Species 0.000 claims description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Images
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
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/04—Machines or engines of reaction type; Parts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines
-
- 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"
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B17/00—Other machines or engines
- F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
- F03B17/061—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially in flow direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
- F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
- F16H1/14—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only
-
- 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
- F05B2220/20—Application within closed fluid conduits, e.g. pipes
-
- 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
- F05B2260/50—Kinematic linkage, i.e. transmission of position
- F05B2260/503—Kinematic linkage, i.e. transmission of position using gears
- F05B2260/5032—Kinematic linkage, i.e. transmission of position using gears of the bevel or angled type
-
- 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
Definitions
- the present invention relates to a hydroelectric generator that can easily arrange a rotor support housing for a generator in a water channel or a conduit.
- Patent Document 1 discloses a power generation device in which a long rotor shaft is disposed in a water conduit, and the rotor shaft includes a plurality of rotors.
- a plurality of generators are arranged in the front and rear of a long water conduit via a mounting bracket.
- the generator is fixed in the water conduit so that a large number of generators are in close contact with each other, the generator becomes a resistance to the water flow, the flow velocity of the water flowing in the water conduit decreases, and the rotational speed of the rotor does not increase, Power generation efficiency is difficult to increase.
- the present invention is provided with an attachment ring so as to surround the rotor housing for the generator from the side, and the attachment ring can be suspended in the water channel or can be connected to the middle of a long water conduit.
- a power generation apparatus capable of generating power is provided.
- a horizontal rotor support housing provided with a rotor is fixed to a support ring integrally with a holding body standing on the upper surface, and a generator is mounted on the upper part of the holding body protruding upward from the support ring.
- the hydraulic power according to (1) wherein the holding body is a cylindrical body, includes a transmission shaft that transmits the rotational force of the rotor shaft to the generator, and has a connecting portion that connects the auxiliary holding body on the upper surface. Power generation device.
- the water channel is a water conduit that conducts water from a water source, and a support ring is provided between the front and rear water conduits having front and rear flanges, and the attachment portion is connected to the flange of the water conduit (1)
- the hydroelectric generator according to any one of (3) to (3).
- the hydroelectric generator according to the invention described in (1) includes a rotor support housing that is integrally fixed inside a support ring with a holding body, and a generator is disposed on the holding body that protrudes from the support ring. Since there is, it is now one power generator.
- An attachment portion for easily attaching the power generation device to a water channel such as a water channel or a water conduit is formed in the support ring.
- the mounting portion of the support ring can be connected to a conduit having the same diameter, and can be connected to a conduit having a different diameter via a relay tube having a different front and rear diameter for connecting a conduit having a different diameter. Can be connected with water pipe.
- the rotor of the rotor support housing is moved by running water passing through the water pipe. It can be rotated to generate electricity.
- a generator can be easily arrange
- the holding body is a cylindrical body
- a transmission shaft for transmitting the rotational force of the rotor to the generator can be disposed inside. Since the auxiliary holding body can be connected to the upper surface, the rotor support housing can be easily suspended in water from the beam girder installed in the water channel even if the water surface of the water channel is low.
- the mounting portion of the support ring is an outward flange formed before and after the support ring, and bolt holes are opened at regular intervals.
- a support ring is arranged between the front and rear water conduits having flanges on the front and rear sides, and the flange serving as the attachment portion is bolted,
- the rotor can be rotated to generate electric power by flowing water flowing in the water guide pipe.
- the irrigation channel is used as the irrigation channel, and the irrigation channel can be easily obtained by fixing the upper portion of the suspension member attached to the attachment portion of the support ring to the beam girder constructed on the water surface.
- a hydroelectric power generation device can be installed.
- the rotor shaft is disposed at a position closer to the lower side than the center of the support ring, the water flow hits the front surface of the holding body to reduce the flow velocity.
- the water flow rate to the rotor can be made uniform.
- lower water flow can be utilized when the amount of water in the channel is reduced.
- the transverse plane of the holding body has a substantially fish shape in which the front edge is thick and narrowed toward the rear, the water flow corresponding to this passes at high speed due to the Coanda effect. Therefore, slowing down the water flow is suppressed.
- FIG. 3 is a cross-sectional view taken along the line III-III of the holding body in FIG.
- FIG. 4 is a cross-sectional view taken along line IV-IV of the support in FIG. It is a cross-sectional plan view of the maximum chord length part of the blade in FIG.
- It is a side view of the usage example 2 of the hydraulic power unit of this invention.
- It is a side view of the usage example 3 of the hydroelectric generator of this invention.
- a hydroelectric generator 1 includes a horizontal rotor having a rotor 3 in a support ring body 2 having the same diameter as that of a water conduit 21 that draws water from a water source and having a short length.
- the support housing 4 is integrally fixed by a vertical holding body 5.
- a long support plate 12 is fixed to the lower surface of the rotor support housing 4 between the lower inner wall surfaces of the support ring 2 in the front-rear direction.
- the holding body 5 is a substantially fish-shaped hollow body in a plan view as shown in a cross section in FIG. 3, and a transmission shaft 8 is disposed inside and can be rotated by upper and lower bearings 5 ⁇ / b> B and 5 ⁇ / b> C as shown in FIG. 1. It is supported.
- the support plate 12 has a fish shape in plan view as shown in FIG. In both the holding body 5 and the support plate 12, the water flow corresponding to this passes at a high speed due to the Coanda effect.
- Outward flanges 2A and 2B which are mounting portions, project from the front and rear peripheral surfaces of the support ring 2 so that the outer flanges 2A and 2B can be connected to the water conduit 12, and the bolt holes 2C are front and rear at regular intervals. It is formed through.
- the auxiliary holder 6 is connected to the upper part of the holder 5 via outward flanges 5A and 6A, and the generator 11 is installed on the upper surface thereof.
- the auxiliary holding body 6 is used when the water surface of the water channel R is low, and the auxiliary holding body 6 is not used if unnecessary.
- a horizontal rotor shaft 7 is disposed inside the rotor support housing 4, and the rotor 3 is mounted on the front end thereof.
- a plurality of lift-type blades 3B (hereinafter simply referred to as blades) are mounted on the circumferential surface of the hub 3A of the rotor 3 in the radial direction.
- the tip of the blade 3B is an inclined portion 3C that is inclined forward.
- the rear end portion of the rotor shaft 7 and the lower end portion of the transmission shaft 8 in the holding body 5 are linked by transmission means composed of bevel gears 7A and 8A.
- the upper end of the transmission shaft 8 is connected to the auxiliary transmission shaft 9 via the connector 10 in the holding body 5 portion, and the upper end portion is connected to the main shaft of the generator 11.
- a plate-like support plate 12 that is long in the front-rear direction is fixed to the lower surface of the bearing housing 4 disposed under the holding body 5.
- the tip of the blade 3B is an inclined portion 3C that is inclined 35 to 45 degrees in the forward direction.
- the chord length is gradually increased from the blade root portion toward the blade tip, the maximum chord length is 35 to 50% of the rotation radius, and the water receiving area in the centrifugal portion is increased.
- the inclined portion 3C is inclined in the upstream direction with the maximum chord length portion 3D as a base point.
- the thickness of the blade 3B is parallel from the blade root to the blade tip in a side view, and the maximum thickness is 25 to 35% of the chord length as shown in the cross section in FIG. If it exceeds 35%, the resistance will be large, and the speed difference of running water along the front surface 3E and the back surface 3F will be large, and the rotation efficiency will be reduced. If it is 25% or less, the speed of the water flow passing along the back surface 3F and the reaction caused thereby are small, and the rotation efficiency is hardly increased.
- FIG. 2 is a front view showing a state in which the hydroelectric generator 1 is used for an agricultural waterway R.
- a flange 6B at the upper end of the auxiliary holder 6 is suspended and fixed to a beam girder 13 installed on the water surface of the water channel R.
- the lower fixture 14A of the suspension member 14 is fixed to the front and rear mounting portions 2A, 2B of the support ring 2 by bolts 14B, and the upper fixture 14C of the suspension member 14 is attached to the beam beam 13. It is fixed.
- the support ring 2 is fixed to the beam girder 13 by the suspension member 14 fixed to the front and rear mounting portions 2A and 2B, so that even if water pressure is applied to the rotor 3, it is firmly fixed without moving.
- FIG. 6 shows a usage example in which the water collecting pipe 15 is fixed to the front surface of the support ring 2 by connecting the mounting portions 2A and 15A.
- the water collecting pipe 15 can be attached to the rear attaching portion 2B with the water collecting pipe 15 facing rearward. Thereby, the vicinity of the rotor support housing
- FIG. 7 is a side view showing a mode in which the hydroelectric generator 1 is used in a place with a head.
- the same members as those of the previous example are denoted by the same reference numerals and description thereof is omitted. This makes use of water drops at small waterfalls and cliffs.
- a support frame 17 is provided in the lowland 16A of the cliff 16 and the hydroelectric generator 1 is fixed with the rotor 3 facing upward.
- the water guide pipe 18 is connected to the support ring body 2 via outward flanges 2A and 18A, respectively.
- the upper part of the conduit 18 is fixed to the cliff 16 with a fixing material 19.
- the pipe port at the upper part of the water guide pipe 18 is provided on the water guide path 20.
- the conduit 20 may be drawn from another water source by the conduit 18 or may use a stream.
- FIG. 8 is a side view showing a state in which the water guide pipes 21 and 22 for conducting water at a long distance from the water source to the destination are used.
- the same members as those of the previous example are denoted by the same reference numerals and description thereof is omitted.
- the water conduit 21 has, for example, a length of 10 m and is connected by several km.
- the diameter of the tube is, for example, 70 cm.
- the location of the water conduit 21 is appropriate, it can be long for any number of kilometers. Therefore, assuming that the hydroelectric generator 1 of the present invention is disposed for every long water conduit 21, for example, every 10 meters, the water conduit 21 is connected for 1 km. If so, 100 units can be arranged.
- the 500W small generator 11 can be installed, it will be a power generation facility capable of stable power generation of 50 kW.
- the water conduit 21 bends to match the natural topography, and even if there is a difference in height, it is a downward slope from the water source, so even if there is no change in the flow velocity, water gravity is applied downstream rather than upstream.
- the power generation efficiency of each generator is higher downstream.
- the turbulent flow due to the rotation of the rotor 3 positioned in front does not affect the rotor 3 positioned in the rear. If there is a geographical condition that the gradient is strong, the gravity of water can be used, so that the distance between the front and rear rotors 3 and 3 can be shortened.
- the water guide pipe 21 and the support ring 2 are connected by connecting the mounting portions 2A and 21A with bolts.
- the diameter of the water conduit 22 is larger than the diameter of the support ring 2, as shown on the right side of FIG. 8, the diameter of the pipe is different by using the relay ring 23 having different front and rear diameters. Can also be linked.
- outward flange is shown as the attachment parts 2A and 2B of the support ring 2, for example, a stamped joint (faucet joint) and other known connection methods can be used.
- the holding body 5 is vertical, but the holding body 5 can be connected in a horizontal state in a place with a strong gradient.
- the present invention is a hydroelectric generator that draws water from a water source and is connected to an existing or non-existing water conduit and can easily arrange a power generation rotor, and can be easily installed in a water channel.
- the water in the waterway can be used efficiently to make a power generation facility.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Hydraulic Turbines (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
Description
この態様では、長い導水管の内部に、発電機を配設することは困難である。
また、多数の発電機が密着するように、導水管内に固定されていると、発電機が水流の抵抗となって、導水管内を流れる水流の流速が低下し、ロータの回転速度が上がらず、発電効率も上がりにくい。
本発明は、発電機用のロータ筐体を横から囲むように、取付環体を設け、取付環体を用水路に吊設するか、長い導水管の中間に連結することができ、容易に水力発電をすることのできる発電装置を提供するものである。
支持環体には、用水路や導水管等の水路に、この発電装置を簡単に取付けるための取付部が形成されている。この支持環体の取付部は、同径の導水管に連結することができるとともに、管径の異なる導水管を連結するための、前後の径の異なる中継管を介して、管径の異なる導水管と連結することができる。
例えば、前後の導水管の間に、ロータ支持筐体を水平として、支持環体の取付部を前後の道水管に連結すると、道水管の中を通過する流水によって、ロータ支持筐体のロータを回転させて発電することができる。
あるいは、取付部に吊設材を固定して、水路に架設する梁桁に吊設することによって、水路に発電機を容易に配設することができる。
また、前後の導水管の間に支持環体を配し、支持環体の取付部を導水管のフランジとボルトで連結させることができる。
前記支持板12は、図4に示すように平面視で魚形とされている。保持体5も支持板12も、これに当たる水流は、コアンダ効果により高速で通過する。
この補助保持体6は、水路Rの水面が低い時などに使用されるもので、不要なら補助保持体6は使用されない。
2.支持環体
2A、2B.取付部(外向フランジ)
2C.ボルト孔
3.ロータ
3A.ハブ
3B.揚力型ブレード
3C.傾斜部
3D.最大弦長部
3E.正面
3F.背面
4.ロータ支持筐体
5.保持体
5A.外向フランジ
6.補助保持体
6A.外向フランジ
6B.フランジ
7.ロータ軸
7A.傘歯車
8.伝動軸
8A.傘歯車
9.補助伝動軸
10.掛吊体
11.発電機
12.支持板
13.梁桁
14.吊設材
14A.固定具
14B.ボルト
14C.固定具
15.集水管
15A.取付部
16.崖地
17.支持枠
18.導水管
18A.取付部
19.固定材
20.水路
21、22.導水管
21A、22A.取付部
23.中継環
23A、23B.取付部
R.水路
W.水面
Claims (7)
- ロータを備えた水平のロータ支持筐体を、上面に立設した保持体をもって、支持環体内に一体に固定するとともに、支持環体から突出する保持体上部に発電機を配設し、支持環体には、水路にロータ支持筐体を固定させる取付部が形成されていることを特徴とする水力発電装置。
- 前記保持体は筒体とし、ロータ軸の回転力を発電機に伝動する伝動軸を備え、上面に補助保持体を連結する連結部が形成されていることを特徴とする請求項1に記載の水力発電装置。
- 前記支持環体の取付部は、定間隔にボルト孔が開孔されている外向フランジであることを特徴とする請求項1または2に記載の水力発電装置。
- 前記水路は、水源から導水する導水管とし、前後に外向きフランジを有する前後の導水管の間に、支持環体を配して取付部を導水管のフランジに連結することを特徴とする請求項1~3のいずれかに記載の水力発電装置。
- 前記水路は用水路であり、両岸に架設した梁桁に、支持環体の取付部に取着けた吊設材を固定することを特徴とする請求項1~3のいずれかに記載の水力発電装置。
- 前記ロータのロータ軸は、支持環体の中心よりも下方向へ寄った位置に配設されることを特徴とする請求項1~5のいずれかに記載の水力発電装置。
- 前記保持体の横断平面は、前縁が太く後方へかけて細くされた略魚形とされていることを特徴とする請求項1~6のいずれかに記載の水力発電装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16891645.0A EP3421779B1 (en) | 2016-02-24 | 2016-12-07 | Hydroelectric generation device |
US16/078,824 US10584674B2 (en) | 2016-02-24 | 2016-12-07 | Hydroelectric generating device |
KR1020187027950A KR102631953B1 (ko) | 2016-02-24 | 2016-12-07 | 수력 발전 장치 |
CN201680082498.8A CN108700021B (zh) | 2016-02-24 | 2016-12-07 | 水力发电装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016-033046 | 2016-02-24 | ||
JP2016033046A JP6750952B2 (ja) | 2016-02-24 | 2016-02-24 | 水力発電装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017145489A1 true WO2017145489A1 (ja) | 2017-08-31 |
Family
ID=59686157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2016/086365 WO2017145489A1 (ja) | 2016-02-24 | 2016-12-07 | 水力発電装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10584674B2 (ja) |
EP (1) | EP3421779B1 (ja) |
JP (1) | JP6750952B2 (ja) |
KR (1) | KR102631953B1 (ja) |
CN (1) | CN108700021B (ja) |
WO (1) | WO2017145489A1 (ja) |
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US20190131889A1 (en) * | 2016-03-14 | 2019-05-02 | Universidade Do Porto | Triboelectric turbine for generating electricity from the motion of fluids |
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JP6951184B2 (ja) * | 2017-10-11 | 2021-10-20 | Ntn株式会社 | 横軸水車装置 |
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- 2016-02-24 JP JP2016033046A patent/JP6750952B2/ja active Active
- 2016-12-07 US US16/078,824 patent/US10584674B2/en not_active Expired - Fee Related
- 2016-12-07 CN CN201680082498.8A patent/CN108700021B/zh not_active Expired - Fee Related
- 2016-12-07 EP EP16891645.0A patent/EP3421779B1/en active Active
- 2016-12-07 WO PCT/JP2016/086365 patent/WO2017145489A1/ja active Application Filing
- 2016-12-07 KR KR1020187027950A patent/KR102631953B1/ko active IP Right Grant
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JP2006189014A (ja) * | 2005-01-07 | 2006-07-20 | Kawasaki Heavy Ind Ltd | 水力発電装置 |
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US20190131889A1 (en) * | 2016-03-14 | 2019-05-02 | Universidade Do Porto | Triboelectric turbine for generating electricity from the motion of fluids |
Also Published As
Publication number | Publication date |
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KR20180116404A (ko) | 2018-10-24 |
US20190055913A1 (en) | 2019-02-21 |
CN108700021A (zh) | 2018-10-23 |
EP3421779A1 (en) | 2019-01-02 |
KR102631953B1 (ko) | 2024-01-31 |
EP3421779B1 (en) | 2021-06-23 |
EP3421779A4 (en) | 2019-07-31 |
JP6750952B2 (ja) | 2020-09-02 |
US10584674B2 (en) | 2020-03-10 |
CN108700021B (zh) | 2020-10-09 |
JP2017150376A (ja) | 2017-08-31 |
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