JP2018123754A5 - - Google Patents

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Publication number
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
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Japan
Prior art keywords
journal
water
rotating
blade
power generation
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JP2017016218A
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Japanese (ja)
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JP6832177B2 (en
JP2018123754A (en
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Priority to JP2017016218A priority Critical patent/JP6832177B2/en
Priority claimed from JP2017016218A external-priority patent/JP6832177B2/en
Priority to US16/480,816 priority patent/US10731623B2/en
Priority to PCT/JP2018/002521 priority patent/WO2018139590A1/en
Priority to CN201880008618.9A priority patent/CN110234867B/en
Publication of JP2018123754A publication Critical patent/JP2018123754A/en
Publication of JP2018123754A5 publication Critical patent/JP2018123754A5/ja
Application granted granted Critical
Publication of JP6832177B2 publication Critical patent/JP6832177B2/en
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Claims (6)

水流の力で発電を行う水流発電装置であって、
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 .
前記内部空間に設けられ、前記回転部を該回転部の軸方向から支持するスラスト軸受を有し、  A thrust bearing provided in the internal space and supporting the rotating part from an axial direction of the rotating part;
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.
前記ジャーナル軸受は、前記ジャーナル固定部と前記ジャーナル回転部のいずれか一方に固定されている請求項1または2に記載の水流発電装置。The water current generator according to claim 1 or 2, wherein the journal bearing is fixed to one of the journal fixing portion and the journal rotating portion. 前記潤滑水排出孔は、前記ジャーナル回転部の軸線方向から見た場合、周方向において180°の間隔をあけて形成される請求項1〜3のいずれか1項に記載の水流発電装置。  The water current generator according to any one of claims 1 to 3, wherein the lubricating water discharge holes are formed at an interval of 180 ° in the circumferential direction when viewed from the axial direction of the journal rotating portion. 前記軸受ユニットは、
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.
前記ブレードの直径が20m以上である請求項1からのいずれか一項に記載の水流発電装置。
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.
JP2017016218A 2017-01-26 2017-01-31 Hydro power generator Active JP6832177B2 (en)

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)

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JP (1) JP6832177B2 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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

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