JP2018123754A5 - - Google Patents
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- JP2018123754A5 JP2018123754A5 JP2017016218A JP2017016218A JP2018123754A5 JP 2018123754 A5 JP2018123754 A5 JP 2018123754A5 JP 2017016218 A JP2017016218 A JP 2017016218A JP 2017016218 A JP2017016218 A JP 2017016218A JP 2018123754 A5 JP2018123754 A5 JP 2018123754A5
- Authority
- JP
- Japan
- Prior art keywords
- journal
- water
- rotating
- blade
- power generation
- Prior art date
- Legal status (The legal status 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 status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 15
- 238000010248 power generation Methods 0.000 claims 6
- 239000000314 lubricant Substances 0.000 claims 2
- 230000001050 lubricating Effects 0.000 claims 2
- 239000010687 lubricating oil Substances 0.000 claims 2
- 239000003921 oil Substances 0.000 claims 1
- 230000000149 penetrating Effects 0.000 claims 1
Claims (6)
前記水流の力で回転するブレードと、
前記ブレードに連結され、前記ブレードと一体で回転する回転部と、
前記回転部に連結され、前記回転部の回転力で発電する発電ユニットと、
前記発電ユニットを覆い、前記発電ユニットが配置された内部空間と、前記ブレードが配置された水中との境界を形成し、前記内部空間を気体雰囲気とするナセルと、
前記ナセルと前記ブレードとの間に設けられ、前記回転部を前記軸方向に直交する径方向から支持するジャーナル軸受と、
前記ナセルに連結され、該ナセルから前記水中側に向かって前記軸方向に延在するジャーナル固定部と、
前記回転部に連結され、前記ジャーナル固定部の前記径方向外側に設けられ、前記ジャーナル固定部と対面するジャーナル回転部と、を有し、
前記ジャーナル回転部には、該ジャーナル回転部を前記径方向に貫通することで、前記水中の水を前記ジャーナル軸受と前記ジャーナル回転部との間に潤滑剤として取り込む回転部貫通孔、及び前記回転部貫通孔とは異なる軸線方向位置に設けられ、前記ジャーナル回転部を前記径方向に貫通することで、前記潤滑剤としての水を排出する潤滑水排出孔が形成されている水流発生装置。 A water current power generation device that generates power with the power of water flow,
A blade rotating by the force of the water flow;
A rotating unit coupled to the blade and rotating integrally with the blade;
A power generation unit connected to the rotating part and generating electric power with the rotational force of the rotating part;
A nacelle that covers the power generation unit, forms a boundary between the internal space in which the power generation unit is disposed, and the water in which the blade is disposed, and the internal space has a gas atmosphere;
A journal bearing provided between the nacelle and the blade and supporting the rotating part from a radial direction orthogonal to the axial direction;
A journal fixing portion connected to the nacelle and extending in the axial direction from the nacelle toward the underwater side;
A journal rotating part connected to the rotating part, provided on the radially outer side of the journal fixing part, and facing the journal fixing part;
The journal rotating portion has a rotating portion through hole that takes in the water in the water as a lubricant between the journal bearing and the journal rotating portion by penetrating the journal rotating portion in the radial direction, and the rotation A water flow generating device provided with a lubricating water discharge hole that is provided at a position in an axial direction different from the portion through hole and discharges water as the lubricant by passing through the journal rotating portion in the radial direction .
前記スラスト軸受には、油潤滑軸受が適用される、請求項1に記載の水流発電装置。 The water current power generation apparatus according to claim 1, wherein an oil lubricated bearing is applied to the thrust bearing.
前記スラスト軸受に潤滑油を供給する潤滑油供給部を有する請求項2に記載の水流発電装置。 The bearing unit is
The water current power generation apparatus according to claim 2 , further comprising a lubricating oil supply unit that supplies lubricating oil to the thrust bearing.
The water current power generator according to any one of claims 1 to 5 , wherein the blade has a diameter of 20 m or more.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017016218A JP6832177B2 (en) | 2017-01-31 | 2017-01-31 | Hydro power generator |
US16/480,816 US10731623B2 (en) | 2017-01-26 | 2018-01-26 | Water-flow power generating apparatus |
PCT/JP2018/002521 WO2018139590A1 (en) | 2017-01-26 | 2018-01-26 | Water flow power generator |
CN201880008618.9A CN110234867B (en) | 2017-01-26 | 2018-01-26 | Water flow power generation device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017016218A JP6832177B2 (en) | 2017-01-31 | 2017-01-31 | Hydro power generator |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2018123754A JP2018123754A (en) | 2018-08-09 |
JP2018123754A5 true JP2018123754A5 (en) | 2019-11-28 |
JP6832177B2 JP6832177B2 (en) | 2021-02-24 |
Family
ID=63109479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017016218A Active JP6832177B2 (en) | 2017-01-26 | 2017-01-31 | Hydro power generator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6832177B2 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102498285A (en) * | 2009-06-30 | 2012-06-13 | 特纳·汉特 | Pitch, roll and drag stabilization of a tethered hydrokinetic device |
JP6000777B2 (en) * | 2012-09-20 | 2016-10-05 | 株式会社東芝 | Ocean current power generator |
JP6719397B2 (en) * | 2017-01-26 | 2020-07-08 | 三菱重工業株式会社 | Water flow generator |
-
2017
- 2017-01-31 JP JP2017016218A patent/JP6832177B2/en active Active
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