DE102005016701A1 - Devices for generating electric energy using the wave energy - Google Patents

Devices for generating electric energy using the wave energy Download PDF

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Publication number
DE102005016701A1
DE102005016701A1 DE102005016701A DE102005016701A DE102005016701A1 DE 102005016701 A1 DE102005016701 A1 DE 102005016701A1 DE 102005016701 A DE102005016701 A DE 102005016701A DE 102005016701 A DE102005016701 A DE 102005016701A DE 102005016701 A1 DE102005016701 A1 DE 102005016701A1
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Germany
Prior art keywords
float
mast
drive unit
flow resistance
movement
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DE102005016701A
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German (de)
Inventor
Klaus Frohne
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Priority to DE102005016701A priority Critical patent/DE102005016701A1/en
Priority to PCT/DE2006/000610 priority patent/WO2006105778A1/en
Publication of DE102005016701A1 publication Critical patent/DE102005016701A1/en
Withdrawn legal-status Critical Current

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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
    • 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
    • F03B13/1855—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 where the connection between wom and conversion system takes tension and compression
    • F03B13/186—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 where the connection between wom and conversion system takes tension and compression the connection being of the rack-and-pinion type
    • 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
    • F05B2250/00—Geometry
    • F05B2250/40—Movement of component
    • F05B2250/41—Movement of component with one degree of freedom
    • 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
    • F05B2260/403—Transmission of power through the shape of the drive components
    • F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

Beschrieben wird eine Vorrichtung zur Erzeugung von Elektroenergie unter Nutzung der Wellenenergie. DOLLAR A Die Erfindung zeichnet sich dadurch aus, dass in einem insbesondere durch alternierende Wasserauftriebskräfte in vertikaler Vorzugsrichtung bewegten Schwimmkörper (1) ein Antriebsaggregat - arbeitend auf einen Elektrogenerator (8) - angeordnet ist, dessen Antriebswelle zur Drehmomentenerzeugung mit einem sich in der vertikalen Bewegungsrichtung unterhalb des Schwimmkörpers (1) erstreckenden Strömungswiderstand (2) mittels als Hubmast ausgeführter flexibler oder biegesteifer Anbindung (4) gekoppelt ist, so dass die jeweils bei der Aufwärts-/Auftriebsbewegung erzeugte Kraftwirkung zwischen Schwimmkörper (1) und Strömungswiderstand (2) über die transversal durch den Schwimmkörper (1) verschiebbare flexible oder biegesteife Anbindung (4) in das Antriebsaggregat im Inneren des Schwimmkörpers (1) eine dem Antriebsaggregat zuzuführende Zugkraft einleitet. DOLLAR A Der über Führungsrollen (3) vertikal durch den Schwimmkörper (1) verschiebbare Hubmast (4) ist mittels Zahnräder (5) oder einer anderen Kupplung mit dem Antriebsaggregat in der Auftriebsphase gekoppelt, wobei aus der translatorischen Bewegung des Hubmastes (4) eine Drehbewegung des Generators (8) entsteht. DOLLAR A Nach abgeschlossener Aufwärts- bzw. Auftriebsbewegung wird der Hubmast (4) innerhalb des Schwimmkörpers (1) mit reduzierter Kraftwirkung bei geringstem Strömungswiderstand (2) ohne Eingriff der Kupplung (5) zurück zur ...Described is a device for generating electric energy using the wave energy. DOLLAR A The invention is characterized in that in a particular moving by alternating water buoyancy forces in the vertical direction preferred float (1) a drive unit - working on an electric generator (8) - is arranged, the drive shaft for torque generation with a in the vertical direction below of the floating body (1) extending flow resistance (2) is executed by means of a lifting mast flexible or rigid connection (4), so that the force generated in each case during the upward / buoyancy force between float (1) and flow resistance (2) on the transversely through the floating body (1) displaceable flexible or rigid connection (4) in the drive unit in the interior of the floating body (1) initiates a to be supplied to the drive unit traction. DOLLAR A via guide rollers (3) vertically by the float (1) displaceable mast (4) is coupled by means of gears (5) or another coupling with the drive unit in the buoyancy phase, wherein from the translational movement of the mast (4) a rotational movement of the generator (8) arises. DOLLAR A After completed upward or buoyancy movement of the mast (4) within the float (1) with reduced force with the lowest flow resistance (2) without engagement of the clutch (5) back to the ...

Description

Die Erfindung betrifft einen Wellengenerator zur Erzeugung von Elektroenergie.The The invention relates to a wave generator for generating electrical energy.

Nach der Konzeption der Erfindung ist in einem durch alternierende Wasserauftriebskräfte in vertikaler Vorzugsrichtung bewegten Schwimmkörper ein Antriebsaggregat angeordnet, dass auf einen Elektrogenerator arbeitet. Die Antriebswelle des Elektrogenerators ist zur Drehmomentenerzeugung mit einem sich in der vertikalen Bewegungsrichtung unterhalb des Schwimmkörpers erstreckenden Strömungswiderstand mittels flexibler oder biegesteifer Anbindung gekoppelt, so dass die jeweils bei der Aufwärts-/Auftriebsbewegung erzeugte Kraftwirkung zwischen Schwimmkörper und Strömungswiderstand über die transversal durch den Schwimmkörper verschiebbare flexible oder biegesteife Anbindung in das Antriebsaggregat im Inneren des Schwimmkörpers eine dem Antriebsaggregat zuzuführende Zugkraft einleitet.To the concept of the invention is in a by vertical water buoyancy forces in vertical Preferred direction moving floats a drive unit arranged that works on an electric generator. The drive shaft of the electric generator is for torque generation with one in the vertical direction of movement below of the float extending flow resistance coupled by means of flexible or rigid connection, so that each in the upward / upward movement generated force effect between float and flow resistance over the transversally through the float slidable flexible or rigid connection to the drive unit inside the float a to be supplied to the drive unit Traction initiates.

Aufbau und Wirkungsweise des Wellengenerators werden anhand eines Ausführungsbeispiels in 1 beschrieben.Structure and operation of the wave generator are based on an embodiment in 1 described.

Der Schwimmkörper 1 des Wellengenerators erzeugt einen Auftrieb und bewegt sich durch die Amplitude resultierend aus Wellenberg und Wellental auf und ab. Der Strömungswiderstand 2 wirkt der Aufwärtsbewegung des Schwimmkörpers 1 entgegen und erzeugt dadurch im Hubmast 4 eine Zugkraft und infolge dieser Zugkraft eine translatorische Bewegung des Hubmastes 4 durch den Schwimmkörper 1. Die Größe der daraus resultierenden kinetischen Energie ist abhängig von der Auftriebskraft des Schwimmkörpers 1, der Höhe des Strömungswiderstandes aus Bauteil 2 und der Auftriebsgeschwindigkeit.The float 1 The wave generator generates buoyancy and moves up and down due to the amplitude resulting from wave crest and wave trough. The flow resistance 2 acts the upward movement of the float 1 counter and thereby generated in the mast 4 a tensile force and as a result of this tensile force translational movement of the mast 4 through the float 1 , The size of the resulting kinetic energy depends on the buoyancy of the float 1 , the height of the flow resistance of component 2 and the buoyancy rate.

Geführt wird der Hubmast 4 durch die Führungsrollen 3. Mit Hilfe der Zahnräder 5 oder einer anderen Kupplung wird aus der translatorischen Bewegung eine Drehbewegung mit entsprechendem Drehmoment. Mit Hilfe des Übersetzungs- und Richtungsgetriebes 6 wird die erforderliche Drehzahl und Drehrichtung erzeugt. Die Schwungmasse 7 ermöglicht die erforderliche Energiereserve für die antriebslose Bewegungsphase zwischen abgeschlossenem Auftrieb und erfolgter Absenkung des Schwimmkörpers 1. Von der Welle der Schwungmasse 7 gelangt z.B. über einen Riementrieb das Drehmoment zum Generator 8 zwecks Stromerzeugung.The mast is guided 4 through the guide rollers 3 , With the help of gears 5 or another clutch is from the translational movement a rotary motion with corresponding torque. With the help of the translation and directional gear 6 the required speed and direction of rotation is generated. The flywheel 7 allows the required energy reserve for the unpowered movement phase between completed buoyancy and successful lowering of the float 1 , From the wave of the flywheel 7 For example, the torque reaches the generator via a belt drive 8th for the purpose of generating electricity.

Der Schwimmkörper 1 wird durch die Dichtung 10 vor eindringendem Wasser geschützt. Der Strömungswiderstand wird bei Abwärtsbewegung durch die geometrische Form des Baukörpers und die Strömungsklappen 9 reduziert. Der Hubmast 4 wird mit reduzierter Kraftwirkung durch transversale Verschiebung innerhalb des Schwimmkörper 1 unter Ausnutzung der Wirkung einer integrierten Drehrichtungskupplung ohne nennenswerten Widerstand in die Ausgangsposition gebracht.The float 1 gets through the seal 10 protected from water penetration. The flow resistance is during downward movement through the geometric shape of the structure and the flow flaps 9 reduced. The mast 4 becomes with reduced power by transverse displacement within the float 1 taking advantage of the effect of an integrated directional coupling clutch without significant resistance in the starting position.

Die linke Darstellung in 1 veranschaulicht die Position von Schwimmkörper 1, Hubmast 4 und Strömungswiderstand 2 am Ende des Auftauch- bzw. Auftriebsvorganges. Der Hubmast ist voll ausgezogen und die Strömungsklappen 9 sind geschlossen. Während des Verschiebevorganges des Hubmastes 4 wurde der Elektrogenerator 8 angetrieben.The left illustration in 1 illustrates the position of floats 1 , Mast 4 and flow resistance 2 at the end of the emergence or buoyancy process. The mast is fully extended and the flow flaps 9 are closed. During the displacement process of the lifting mast 4 became the electric generator 8th driven.

Die rechte Darstellung zeigt die analogen Positionen am Ende der Eintauchphase oder kurz vor Beginn der Auftriebsphase. Der Hubmast 4 befindet sich in der Ausgangsposition, die Strömungsklappen 9 sind noch teilweise offen.The right illustration shows the analogue positions at the end of the dipping phase or shortly before the start of the buoyancy phase. The mast 4 is in the starting position, the flow flaps 9 are still partially open.

Beide Darstellungen sind um 90° versetzt.Both Representations are offset by 90 °.

Der Hubmast 4 kann z.B. auch durch ein entsprechend dimensioniertes und verankertes Stahlseil mit Dämpfungselement ersetzt werden. Der in 1 The mast 4 For example, it can also be replaced by a suitably dimensioned and anchored steel cable with a damping element. The in 1

11
Schwimmkörper, z.B. KugelFloats, e.g. Bullet
22
Strömungswiderstandflow resistance
33
Führungsrolleleadership
44
Hubmast, flexible oder biegesteife AnbindungLifting, flexible or rigid connection
55
Zahnrad/KupplungGear / clutch
66
Übersetzungs- und Richtungsgetriebetranslation and directional gear
77
SchwungmasseInertia
88th
Generatorgenerator
99
Strömungsklappeflow flap
1010
Dichtungpoetry

Claims (5)

Vorrichtung zur Erzeugung von Elektroenergie unter Nutzung der Wellenenergie, dadurch gekennzeichnet, dass in einem insbesondere durch alternierende Wasserauftriebskräfte in vertikaler Vorzugsrichtung bewegten Schwimmkörper (1) ein Antriebsaggregat – arbeitend auf einen Elektrogenerator (8) – angeordnet ist, dessen Antriebswelle zur Drehmomentenerzeugung mit einem sich in der vertikalen Bewegungsrichtung unterhalb des Schwimmkörpers (1) erstreckenden Strömungswiderstand (2) mittels flexibler oder biegesteifer Anbindung (4) gekoppelt ist, so dass die jeweils bei der Aufwärts-/Auftriebsbewegung erzeugte Kraftwirkung zwischen Schwimmkörper (1) und Strömungswiderstand (2) über die transversal durch den Schwimmkörper (1) verschiebbare flexible oder biegesteife Anbindung (4) in das Antriebsaggregat im Inneren des Schwimmkörpers (1) eine dem Antriebsaggregat zuzuführende Zugkraft einleitet.Apparatus for generating electric energy using wave energy, characterized in that in a floating body driven in particular by alternating water buoyancy forces in the vertical preferred direction ( 1 ) a drive unit - working on an electric generator ( 8th ) Is arranged, the drive shaft for torque generation with a in the vertical direction of movement below the float ( 1 ) extending flow resistance ( 2 ) by means of flexible or rigid connection ( 4 ) is coupled, so that the force effect respectively generated during the upward / buoyancy movement between floating bodies ( 1 ) and flow resistance ( 2 ) across the transversal through the float ( 1 ) movable flexible or rigid connection ( 4 ) in the drive unit inside the float ( 1 ) initiates a traction to be supplied to the drive unit. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die flexible oder biegesteife Anbindung (4) als Hubmast ausgeführt ist und der am unteren Ende des Hubmastes (4) angeordnete Strömungswiderstand (2) der Aufwärtsbewegung des Schwimmkörpers (1) entgegenwirkt und dadurch im Hubmast (4) eine Zugkraft mit translatorischer Bewegung entsteht und nach abgeschlossener Aufwärtsbewegung der Hubmast (4) innerhalb des Schwimmkörpers (1) mit reduzierter Kraftwirkung bei geringstem Strömungswiderstand (2) ohne Eingriff der Kupplung (5) zurück zur Ausgangsposition gebracht wird.Apparatus according to claim 1, characterized in that the flexible or rigid connection ( 4 ) is designed as a mast and the lower end of the mast ( 4 ) arranged flow resistance ( 2 ) the upward movement of the float ( 1 ) and thereby in the mast ( 4 ) a traction with translational movement arises and after completed upward movement of the mast ( 4 ) within the float ( 1 ) with reduced force effect with lowest flow resistance ( 2 ) without engagement of the clutch ( 5 ) is brought back to the starting position. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der über Führungsrollen (3) vertikal durch den Schwimmkörper (1) verschiebbare Hubmast (4) mittels Zahnräder (5) oder einer anderen Kupplung mit dem Antriebsaggregat in der Auftriebsphase gekoppelt ist und dabei aus der translatorischen Bewegung des Hubmastes (4) eine Drehbewegung des Generators (8) entsteht.Apparatus according to claim 1 or 2, characterized in that the over guide rollers ( 3 ) vertically through the float ( 1 ) movable lifting mast ( 4 ) by means of gears ( 5 ) or another coupling is coupled to the drive unit in the buoyancy phase and thereby from the translational movement of the lifting mast ( 4 ) a rotary movement of the generator ( 8th ) arises. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Strömungswiderstand (2) durch das Öffnen und Schließen von Strömungsklappen (9) steuerbar ist.Device according to one of claims 1 to 3, characterized in that the flow resistance ( 2 ) by opening and closing flow flaps ( 9 ) is controllable. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Antriebsaggregat ein Übersetzungs- und Richtungsgetriebe (6), mindestens eine Schwingungsmasse (7) und einen Generator (8) beinhaltet, wobei die Welle der Schwungmasse (7) über einen Riementrieb oder dgl. mit dem Generator (8) verbunden ist.Device according to one of claims 1 to 4, characterized in that the drive unit is a translation and directional transmission ( 6 ), at least one vibration mass ( 7 ) and a generator ( 8th ), whereby the wave of the flywheel ( 7 ) via a belt drive or the like with the generator ( 8th ) connected is.
DE102005016701A 2005-04-07 2005-04-07 Devices for generating electric energy using the wave energy Withdrawn DE102005016701A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE102005016701A DE102005016701A1 (en) 2005-04-07 2005-04-07 Devices for generating electric energy using the wave energy
PCT/DE2006/000610 WO2006105778A1 (en) 2005-04-07 2006-03-31 Apparatus for generating electrical energy using wave energy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005016701A DE102005016701A1 (en) 2005-04-07 2005-04-07 Devices for generating electric energy using the wave energy

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3081806A1 (en) 2015-04-16 2016-10-19 HAB Hallen- und Anlagenbau GmbH Device for converting wave energy into electrical energy
DE102015004781A1 (en) 2015-04-15 2016-10-20 Hab Hallen- Und Anlagenbau Gmbh Device for converting wave energy into electric energy
ITUB20155273A1 (en) * 2015-11-04 2017-05-04 Enrico Bozano TRANSFORMATION DEVICE FOR AN ALTERNATIVE MOTION IN A CONTINUOUS ROTARY MOTION
CN114704420A (en) * 2022-03-14 2022-07-05 三峡大学 Wave-current hybrid driving micro power generation and energy storage system and method for ocean submerged buoy

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU0700371D0 (en) * 2007-05-25 2007-07-30 Vidatech Kft Apparatus for generating electrical energy using fluid kinetic energy of vivers
EP2153057B1 (en) 2007-05-31 2016-03-09 Bruno Larivain Wave Power Plant
ITMI20132064A1 (en) 2013-12-11 2015-06-12 Federico Ghiringhelli DEVICE AND METHOD TO TRANSFORM THE ENERGY OF THE WAVE MOTION IN ELECTRICITY
GB2621103A (en) * 2022-04-12 2024-02-07 James John Maughan Hugo Wave energy converters

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Publication number Priority date Publication date Assignee Title
FR2430525A1 (en) * 1978-07-03 1980-02-01 Dimeglio Emile Wave energy driven power generator - uses array of floats which are constrained to move vertically and drive pumps
DE3508780A1 (en) * 1985-03-12 1986-09-18 Wolf Dipl.-Ing. Klemm (FH), 8023 Pullach Device for obtaining useful energy by utilising the vertical lift of water waves
JPS61226572A (en) * 1985-03-30 1986-10-08 Hitachi Zosen Corp Floating generator
CA2196224C (en) * 1997-01-29 2003-07-01 Gerald John Vowles Wave energy generator
NO311371B1 (en) * 2000-03-24 2001-11-19 Arvid Nesheim Device for extracting energy from water movements
CA2303754A1 (en) * 2000-04-03 2001-10-03 Livia Pravda A mechanical-hydraulic converter of the wave energy

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015004781A1 (en) 2015-04-15 2016-10-20 Hab Hallen- Und Anlagenbau Gmbh Device for converting wave energy into electric energy
EP3081806A1 (en) 2015-04-16 2016-10-19 HAB Hallen- und Anlagenbau GmbH Device for converting wave energy into electrical energy
ITUB20155273A1 (en) * 2015-11-04 2017-05-04 Enrico Bozano TRANSFORMATION DEVICE FOR AN ALTERNATIVE MOTION IN A CONTINUOUS ROTARY MOTION
CN114704420A (en) * 2022-03-14 2022-07-05 三峡大学 Wave-current hybrid driving micro power generation and energy storage system and method for ocean submerged buoy

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