JP4860601B2 - 速度増倍を備えた波力エネルギー変換器(wec) - Google Patents
速度増倍を備えた波力エネルギー変換器(wec) Download PDFInfo
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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
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
- F03B13/1845—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/003—Dynamic electric braking by short circuiting the motor
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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
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/20—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" wherein both members, i.e. wom and rem are movable relative to the sea bed or shore
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/04—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving coil systems and stationary magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1869—Linear generators; sectional generators
- H02K7/1876—Linear generators; sectional generators with reciprocating, linearly oscillating or vibrating parts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
- H02P25/18—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
- H02P3/18—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor
- H02P3/22—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an ac motor by short-circuit or resistive braking
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/008—Arrangements for controlling electric generators for the purpose of obtaining a desired output wherein the generator is controlled by the requirements of the prime mover
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- 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
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
- F05B2220/7068—Application in combination with an electrical generator equipped with permanent magnets
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- 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
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
- F05B2220/707—Application in combination with an electrical generator of the linear type
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- 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
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- 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
- F05B2260/903—Braking using electrical or magnetic forces
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/106—Structural association with clutches, brakes, gears, pulleys or mechanical starters with dynamo-electric brakes
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- 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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Transportation (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Linear Motors (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
- Revetment (AREA)
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- Ac-Ac Conversion (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Control Of Eletrric Generators (AREA)
Description
本発明を実践するために適した波力エネルギー変換器(WEC)は、図1に示された3つのタイプのシステムを含むことが可能である。図1の左端のものは、係留されるかまたは錨を付けられた垂直の支柱(スパー)12を備えて海洋表面の下に通常では沈められる中立的に浮力のある外郭構造10を示している。図1の中央のものは、やはり係留されるかまたは錨を付けられた垂直の支柱(スパー)12を備えて海洋表面で通常では浮いている浮力のある外郭構造を示している。図1の右端のものは、二重のエネルギー吸収装置を例示しており、そこでは外郭構造10およびスパー12は互いに相対的に動き、外郭構造10は概して波と同相であり、スパー12は外郭構造および/または海洋の波と異なる位相で動く。このWECは、「外郭構造」と「スパー」との間に接続されたリニア発電機(LEG)装置20を有する1つまたは複数のパワー・テイクオフ(PTO)装置を有することが可能である。
本発明のいくつかの実施形態では、いくつかの理由でリニア発電機(LEG)がWECのパワー・テイクオフ(PTO)装置として提案される。全電気システムの予測効率は見積もられる力と速度で90%以上であると概算される。この効率は既にある水力電気システムの80%未満の効率を優に上回る。油圧部品はやはり高価であり、限られた寿命と信頼性を有し、かつ据え付けと保守管理の課題を提起する。油圧部品の除外はLEGを使用する重要な理由である。
デルタv=v1+v2=v1(b+a)/a (式1A)
(注)式1Aを正確に解釈するためには、v1とv2が反対の方向に進んでおり、それにより、もしも一方の方向に正の符号が割り当てられれば反対の方向が負となることが思い出されるべきである。
1.PMAまたはICAのスピードがレバー・アーム比[vleg=vfloat×(a+b)/a]によって増大させられると、実効力がレバー・アーム比で低下する[パワー(スピード×力)は同じに留まる]。1:1のレバーについては、相対スピードが2倍になり、実効力は半分に削減される。
2.しかし力が半分に削減されれば、殆ど力(通常では1平方メートル当たり20〜25kN)に比例する磁石アセンブリの必要サイズが半分に削減されることが可能である。最終の結果は、PMAのサイズが大幅に小さく(例えば6平方メートルから3平方メートルに)され得るということである。
3.一方の構成要素(すなわちPMA)のサイズをレバー比で小さくすることは概して、他方の構成要素(例えばステータとして機能するICA)のサイズ(すなわち長さ)がレバー・アーム比で増大する必要性を生じることを伴なう。1:1のレバーについては、磁石アセンブリの長さが半分になる一方でステータの長さが2倍になる。磁石アセンブリおよびコイル・アセンブリがゼロ以外の何らかの長さを有することを前提とすると、その比はレバー・アーム比に全く比例するわけではない。
1.PMAの一定の磁極ピッチに関してICAの出力部で作り出される電圧がスピードに比例する。最小の磁極ピッチは維持されることが可能な空隙の幅によって概して定められる。磁極ピッチは空隙の幅の少なくとも25倍でなければならない。効率は概して電圧と共に上昇する。したがって、一層高いスピードおよび電圧は一層高い効率へと形を変える。電流が減少してI2R損失が低下するので一層高い電圧は望ましい。また、電力変換スイッチング装置はしばしば一定の電圧降下(例えばIGBTトランジスタについては1.8V)を有するので一層高い電圧は望ましい。
2.一定の磁極ピッチに関して周波数はスピードに比例する。最小の磁極ピッチは維持されることが可能な空隙の幅によって概して定められる。受動性の整流システム(複数のダイオードとキャパシタのセットで構成される)が概して良好に機能し、かつ/または一層高い電気的周波数に関して小型である。電圧のリップルが懸案課題である場合、一層高い周波数はキャパシタのサイズまたは電圧リップルの量を下げることに役立つ。
3.永久磁石アセンブリは通常ではLEGシステムの重量が大きく費用のかかる部分である。したがって、ステータのサイズの上昇を代償にしてそのサイズを小さくすることは概してシステムの質量およびコストを救済する。
4.磁石アセンブリのサイズの縮小はいくつかの利点、すなわち
a.一層容易な塵取り込みの防止、
b.一層容易な作業者の保護、
c.軸受けの設計を単純化する一層少ないPMA−ICA引力(これは、例えば小型の1KWのLEGが4トンの引力を有するので重要である)、
という利点を有する。
Claims (9)
- 波力エネルギー変換器(WEC)であって、
水域の中に置かれ、該水域にある波の作用で互いに相対して移動する外郭構造および支柱と、
入力端部、出力端部、および該入力端部と出力端部との間の中間点を有するレバー・アームと、
該レバー・アームの該中間点を該支柱へと回転可能に接続し、該レバー・アームの該中間点を該支柱に沿って枢動可能に取り付け、該レバーの該入力端部を該外郭構造へと接続する手段とを有し、それにより、該レバーの該入力端部が該外郭構造によって決定される速度でかつ該外郭構造と同相で移動し、該出力端部が該外郭構造の速度の倍数の速度でかつ概して該外郭構造の速度と反対の方向に移動するWEC。 - 該レバー・アームが該外郭構造よりも下で該支柱に沿って回転可能に装着される、請求項1に記載のWEC。
- 該レバー・アームが該外郭構造よりも上で該支柱に沿って回転可能に装着される、請求項1に記載のWEC。
- 該中間点から該入力端部へと延びる該レバーの部分が長さ「a」を有し、該中間点から該出力端部へと延びる該レバーの部分が長さ「b」を有し、該レバー・アームの該出力端部でのスピードがb/aで乗算された該入力端部のスピードに等しい、請求項1に記載のWEC。
- インダクション・コイル・アセンブリ(ICA)および永久磁石アセンブリ(PMA)のうちの一方が該外郭構造に取り付けられて該外郭構造に合わせて移動し、該ICAおよびPMAのうちの他方が該レバー・アームの該出力端部に連結されて駆動され、該外郭構造に取り付けられた該ICAとPMAのうちの該一方を横切ってb/aで乗算された該入力端部のスピードに実質的に等しいスピードで移動し、該PMAと該ICAとの間の差速度が該入力端部と該出力端部の合計に等しい、請求項4に記載のWEC。
- インダクション・コイル・アセンブリ(ICA)および永久磁石アセンブリ(PMA)のうちの一方が該外郭構造の内壁に取り付けられて該外郭構造に合わせて移動し、該ICAおよびPMAのうちの他方が該レバー・アームの該出力端部に連結されて駆動され、該外郭構造に取り付けられた該ICAとPMAのうちの該一方を横切ってb/aで乗算された該入力端部のスピードに実質的に等しいスピードで移動し、該PMAと該ICAとの間の差速度が該入力端部と該出力端部の合計に等しい、請求項1に記載のWEC。
- インダクション・コイル・アセンブリ(ICA)および永久磁石アセンブリ(PMA)のうちの一方が該外郭構造の外壁に取り付けられて該外郭構造に合わせて移動し、該ICAおよびPMAのうちの他方が該レバー・アームの該出力端部に連結されて駆動され、該外郭構造に取り付けられた該ICAとPMAのうちの該一方を横切ってb/aで乗算された該入力端部のスピードに実質的に等しいスピードで移動し、該PMAと該ICAとの間の差速度が該入力端部と該出力端部の合計に等しい、請求項1に記載のWEC。
- インダクション・コイル・アセンブリ(ICA)および永久磁石アセンブリ(PMA)のうちの一方が該支柱に取り付けられ、該ICAおよびPMAのうちの他方が該レバー・アームの該出力端部に連結されて駆動され、該外郭構造に取り付けられた該ICAとPMAのうちの該一方を横切って該レバーの該出力端部でのスピードに実質的に等しいスピードで移動する、請求項1に記載のWEC。
- 波力エネルギー変換器(WEC)であって、
水域の中に置かれ、該水域にある波の作用で互いに相対して移動する外郭構造および支柱と、
該外郭構造と該支柱との間に連結され、該支柱に相対した該外郭構造の入力スピード(v1)に応答する入力部を有し、かつそのスピード(v2)が該支柱に相対した該外郭構造の入力スピード(v1)の倍数である出力部を有する機械的変換装置とを有し、
インダクション・コイル・アセンブリ(ICA)および永久磁石アセンブリ(PMA)のうちの一方が該外郭構造に取り付けられて該外郭構造に合わせて移動し、該ICAおよびPMAのうちの他方が該機械的変換装置の該出力端部から駆動を受け、該外郭構造に取り付けられた該ICAとPMAのうちの該一方を横切って移動するWEC。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US55366604P | 2004-03-16 | 2004-03-16 | |
US60/553,666 | 2004-03-16 | ||
PCT/US2005/008495 WO2005089295A2 (en) | 2004-03-16 | 2005-03-15 | WAVE ENERGY CONVERTERS (WECs) WITH VELOCITY MULTIPLICATION |
Publications (2)
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JP2007529987A JP2007529987A (ja) | 2007-10-25 |
JP4860601B2 true JP4860601B2 (ja) | 2012-01-25 |
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JP2007504006A Expired - Fee Related JP4870069B2 (ja) | 2004-03-16 | 2005-03-15 | 磁気ブレーキを備えた波力エネルギー変換器(wec) |
JP2007504063A Expired - Fee Related JP4758983B2 (ja) | 2004-03-16 | 2005-03-15 | 波力エネルギー変換器のための回転防止構造 |
JP2007504062A Expired - Fee Related JP4994221B2 (ja) | 2004-03-16 | 2005-03-15 | リニア発電機(leg)を備えた波力エネルギー変換器(wec) |
JP2007504015A Expired - Fee Related JP4860601B2 (ja) | 2004-03-16 | 2005-03-15 | 速度増倍を備えた波力エネルギー変換器(wec) |
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JP2007504006A Expired - Fee Related JP4870069B2 (ja) | 2004-03-16 | 2005-03-15 | 磁気ブレーキを備えた波力エネルギー変換器(wec) |
JP2007504063A Expired - Fee Related JP4758983B2 (ja) | 2004-03-16 | 2005-03-15 | 波力エネルギー変換器のための回転防止構造 |
JP2007504062A Expired - Fee Related JP4994221B2 (ja) | 2004-03-16 | 2005-03-15 | リニア発電機(leg)を備えた波力エネルギー変換器(wec) |
Country Status (9)
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US (3) | US7310944B2 (ja) |
EP (4) | EP1733141B1 (ja) |
JP (4) | JP4870069B2 (ja) |
AU (4) | AU2005222973B2 (ja) |
CA (4) | CA2537111C (ja) |
ES (4) | ES2565454T3 (ja) |
NO (4) | NO20061961L (ja) |
PT (2) | PT1733141E (ja) |
WO (4) | WO2005089378A2 (ja) |
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Patent Citations (4)
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US3362336A (en) * | 1965-10-23 | 1968-01-09 | Robert S. Kafka | Wave motion operated device |
US4260901A (en) * | 1979-02-26 | 1981-04-07 | Woodbridge David D | Wave operated electrical generation system |
JPS55125364A (en) * | 1979-03-22 | 1980-09-27 | Yasuhiro Manabe | Power generator with use of vertical movement of wave |
JPH06280733A (ja) * | 1993-03-24 | 1994-10-04 | Taiyo Plant Kk | 電磁誘導式波力発電装置 |
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