JP2017180466A - 多メガワット海流エネルギー抽出装置 - Google Patents
多メガワット海流エネルギー抽出装置 Download PDFInfo
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Classifications
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/24—Anchors
- B63B21/26—Anchors securing to bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
- B63B22/02—Buoys specially adapted for mooring a vessel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/14—Control of attitude or depth
- B63G8/22—Adjustment of buoyancy by water ballasting; Emptying equipment for ballast tanks
-
- 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
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/10—Submerged units incorporating electric generators or motors
- F03B13/105—Bulb groups
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/4466—Floating structures carrying electric power plants for converting water energy into electric energy, e.g. from tidal flows, waves or currents
-
- 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
- F05B2240/97—Mounting on supporting structures or systems on a submerged 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
- F05B2260/406—Transmission of power through hydraulic systems
-
- 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
- F05B2260/90—Braking
- F05B2260/902—Braking using frictional mechanical forces
-
- 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
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/18—Purpose of the control system to control buoyancy
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
Description
Claims (20)
- 展開時に前記横断構造をアンカーへ接続するための接続点を備えた横断構造と、
それぞれ乾燥した浮遊圧力容器と、固定ピッチロータブレードを2つ備えた湿潤ロータアセンブリとを備え、前記固定ピッチロータブレードが水流によって駆動されることによって電気を生成する、前記横断構造へ接続された少なくとも2つのパワーポッド(power pod)と、
を備え、
前記横断構造と、前記前記横断構造へ接続された少なくとも2つのパワーポッドは、所定の水流速度において動作するように構成され、
前記横断構造および前記少なくとも2つのパワーポッドの構成は、実際の水流速度が前記所定の水流速度を上回ると、展開時に前記横断構造をより深く潜水させ、実際の水流速度が前記所定の水流速度を下回ると、展開時により浅く潜水させる、
潜水可能な多メガワット発電所プラットフォーム。
- 前記横断構造が、トラス、フェアリング整形(fairing)を用いた大直径管、または負方向迎え角を有する固定翼を備えた、請求項1に記載の潜水可能な多メガワット発電所プラットフォーム。
- 前記少なくとも2つのパワーポッドが、前記横断構造の下流側の両端に配置された、請求項2に記載の潜水可能な多メガワット発電所プラットフォーム。
- 前記横断構造へ接続された2つのさらなるパワーポッドをさらに備え、前記2つのさらなるパワーポッドが、前記少なくとも2つのパワーポッド間に配置され、前記横断構造の上流側に配置された、請求項3に記載の潜水可能な多メガワット発電所プラットフォーム。
- 前記少なくとも2つのパワーポッドが、前記横断構造の上流側の両端に配置され、前記横断構造へ接続された2つのさらなるパワーポッドをさらに備え、前記2つのさらなるパワーポッドが前記少なくとも2つのパワーポッド間に配置され、前記横断構造の下流側に配置された、請求項2に記載の潜水可能な多メガワット発電所プラットフォーム。
- 前記横断構造へ接続された複数のパワーポッドをさらに備え、前記少なくとも2つのパワーポッドおよび前記複数のさらなるパワーポッドが前記横断構造に沿って前記横断構造の一端から他方端まで均等間隔で配置され、全てのパワーポッドが前記横断構造の下流側に配置される、請求項2に記載の潜水可能な多メガワット発電所プラットフォーム。
- 展開時において前記接続点および前記アンカーへ接続される所定の長さのアンカー線をさらに備え、前記アンカー線は、展開時に前記横断構造を所定の深さにおいて前記所定の水速度において維持する、請求項1に記載の潜水可能な多メガワット発電所プラットフォーム。
- 各パワーポッドは独立した油圧直結ドライブトレインを備え、前記独立した油圧直結ドライブトレインは駆動シャフトを備え、前記駆動シャフトが前記ロータアセンブリから油圧ポンプおよび少なくとも1つのロータ駆動油圧ポンプおよび1つの油圧ブレーキへと延び、前記油圧ポンプが、少なくとも1つの定速油圧モータへと動作可能に連結され、前記少なくとも1つの定速油圧モータが、少なくとも1つの発電機へと動作可能に連結された、請求項1に記載の潜水可能な多メガワット発電所プラットフォーム。
- 水域の水流中における潜水可能な多メガワット発電所プラットフォームの深さを制御する方法であって、前記方法は、
前記プラットフォームのための所定の動作水流速度を決定するステップと、
前記プラットフォームを前記水域の底へアンカー固定するステップであって、前記プラットフォームの前記アンカー固定により、前記プラットフォームが潜水状態のまま深さを変更することが可能になるステップと、
実際の水流速度が前記所定の動作水流速度を超えたとき、前記プラットフォームの前記水域中の深さを深くさせるステップと、
実際の水流速度が前記所定の動作水流速度を下回ったとき、前記プラットフォームの前記水域中の深さを浅くするステップと、
を含む。
- 前記プラットフォームのための前記所定の動作水流速度は、前記プラットフォームの動作パラメータを超えること無く、発電を最大化させる、請求項9に記載の方法。
- 前記アンカー固定を調節して、前記プラットフォームが前記水域の水面まで上昇することを可能にするステップをさらに含む、請求項9に記載の方法。
- 横断翼構造と、
それぞれ、耐流体圧力容器中に収容された発電システムへと接続され、前記発電システムは、駆動シャフトを備えた独立した油圧直結ドライブトレインを備え、前記駆動シャフトが、前記ロータアセンブリから油圧ポンプおよび少なくとも1つのロータ駆動油圧ポンプおよび1つの油圧ブレーキへと延び、前記油圧ポンプが、少なくとも1つの定速油圧モータへ動作可能に接続され、前記少なくとも1つの定速油圧モータが、少なくとも1つの発電機へ動作可能に接続された、固定ピッチロータブレードを有する、水流駆動ロータアセンブリを備えた、前記横断翼構造へ取り外し可能に固定された少なくとも2つの浮遊パワーポッドと、
第1の端部および第2の端部を有し、第1の端部が、前記プラットフォーム上の中央取り付け点へと取り付けられ、第2の端部が海底上のアンカーへと取り付けられた、少なくとも1つの前方係留線と、
第1の端部および第2の端部を有し、第1の端部が、前記プラットフォーム下に配置された前記海底上のアンカーへと取り付けられ、第2の端部が前記プラットフォームの下側の取り付け点へと取り付けられ、前記プラットフォームが海面下で規定の深さよりも上昇できないような長さを有する垂直係留線と、
を備え、
前記プラットフォームが、受動的な深さ調節を用いて定常状態の平衡位置に到達し、前記プラットフォーム上への力を最小化する、
潜水可能な発電所装置。
- 前記翼構造は、翼降下器、水中翼、トラスまたはフェアリング整形を用いた大直径管から選択される、請求項12に記載の装置。
- 前記角ロータアセンブリの前記ロータブレードが、時計方向または反時計方向において動作するように構成され、前記ロータアセンブリが、前記パワーポッドの上流または下流において動作するように構成される、請求項12に記載の装置。
- 前記プラットフォームが、1対、2対または3対のパワーポッドを有し、一対の各ロータが、二重反転方向において相互に動作する、請求項14に記載の装置。
- 前記パワーポッドがそれぞれ外部流体軸受をさらに備え、外部流体軸受上において前記ロータが取り付けられて回転し、これにより、前記ロータから前記ドライブトレインの駆動シャフトへの非トルク負荷が分離されることで、トルクのみが前記ドライブトレインへと伝送される、請求項12に記載の装置。
- 前記油圧ブレーキが、加圧された蓄圧器を供給する主要油圧ループからの分岐をさらに備え、前記加圧された蓄圧器は、前記ドライブトレインの駆動シャフトに前記油圧ブレーキをかけるために必要に応じて放圧する、請求項12に記載の装置。
- 前記発電システムそれぞれの油圧ブレーキが、同時停止を発生させるように構成され、これによりプラットフォーム安定性が保証される、請求項17に記載の装置。
- 各ロータブレードを前記ロータハブへ固定するための一体型ロータハブおよびスパーをさらに備えた、請求項12に記載の装置。
- ロータハブと、連続する内部ブレードスパーとをさらに備え、前記連続する内部ブレードスパーは、前記ブレードに及び、前記ロータブレードを前記ロータハブへと取り付けるために用いられる、請求項12に記載の装置。
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US13/454,059 | 2012-04-23 | ||
US13/454,059 US8766466B2 (en) | 2011-10-31 | 2012-04-23 | Submerged electricity generation plane with marine current-driven rotors |
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JP2016196546A Expired - Fee Related JP6280179B2 (ja) | 2011-10-31 | 2016-10-04 | 多メガワット海流エネルギー抽出装置 |
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JP2016196546A Expired - Fee Related JP6280179B2 (ja) | 2011-10-31 | 2016-10-04 | 多メガワット海流エネルギー抽出装置 |
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WO2013066897A2 (en) | 2013-05-10 |
MY173850A (en) | 2020-02-24 |
ZA201402897B (en) | 2015-06-24 |
CN103930669B (zh) | 2017-08-08 |
MX2014005124A (es) | 2015-04-08 |
JP6484283B2 (ja) | 2019-03-13 |
AU2012332705A1 (en) | 2014-03-13 |
JP2014534375A (ja) | 2014-12-18 |
MX339407B (es) | 2016-05-24 |
WO2013066897A3 (en) | 2013-07-11 |
US8766466B2 (en) | 2014-07-01 |
JP2017071389A (ja) | 2017-04-13 |
KR20140063875A (ko) | 2014-05-27 |
PH12015502653B1 (en) | 2016-01-25 |
SG11201401367PA (en) | 2014-07-30 |
AU2012332705B2 (en) | 2015-06-11 |
US20130106105A1 (en) | 2013-05-02 |
US20150021919A1 (en) | 2015-01-22 |
CN103930669A (zh) | 2014-07-16 |
BR112014009512A2 (pt) | 2017-04-18 |
JP6280179B2 (ja) | 2018-02-14 |
PH12015502653A1 (en) | 2016-01-25 |
US9080548B2 (en) | 2015-07-14 |
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LAPS | Cancellation because of no payment of annual fees |