WO2012080749A1 - Générateur d'électricité entraîné par les vagues - Google Patents

Générateur d'électricité entraîné par les vagues Download PDF

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Publication number
WO2012080749A1
WO2012080749A1 PCT/GB2011/052502 GB2011052502W WO2012080749A1 WO 2012080749 A1 WO2012080749 A1 WO 2012080749A1 GB 2011052502 W GB2011052502 W GB 2011052502W WO 2012080749 A1 WO2012080749 A1 WO 2012080749A1
Authority
WO
WIPO (PCT)
Prior art keywords
lever arm
generating device
electricity generating
main body
body portion
Prior art date
Application number
PCT/GB2011/052502
Other languages
English (en)
Inventor
David Foster
Original Assignee
David Foster
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by David Foster filed Critical David Foster
Priority to GB1312719.6A priority Critical patent/GB2508682A/en
Publication of WO2012080749A1 publication Critical patent/WO2012080749A1/fr

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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
    • F03B13/1805—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 is hinged to the rem
    • F03B13/181—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 is hinged to the rem for limited rotation
    • F03B13/1815—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 is hinged to the rem for limited rotation with an up-and-down movement
    • 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
    • F03B13/1885—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 is tied to the rem
    • F03B13/189—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 is tied to the rem acting directly on the piston of a pump
    • 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
    • F03B13/1885—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 is tied to the rem
    • F03B13/1895—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 is tied to the rem where the tie is a tension/compression member
    • 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
    • F03B13/22—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 flow of water resulting from wave movements to drive a motor or turbine
    • 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

Definitions

  • the present invention relates to an electricity generator which utilises wave action to generate electrical power.
  • an electricity generating device for converting the power of waves into electricity, comprising: a support member, a main body portion mounted on a support member, a lever arm pivotably connected to the main body portion, said lever arm having a buoyant member secured thereto, a piston being connected to the lever arm, said piston being arranged to reciprocate within a cylinder attached to, or within, the main body portion so that movement of the buoyant member, acting via the lever arm, causes the piston to reciprocate within the cylinder to provide a pumping action to force water through a pipe connected to an outlet of said cylinder to drive an impeller connected via a system of gears to an electrical generator.
  • the main body portion may be displaceably mounted on the support member. In this way it is able to rise and fall with the level of the tide to ensure that the movement of the buoyant member (e.g. float), acting via the lever arm, is optimised for all tide heights.
  • the main body portion may be securable in position on the support member. In this way the main body portion can be prevented from moving relative to the support body when necessary, for example, for maintenance or cleaning.
  • buoyant member may be secured to the distal end of the lever arm.
  • the buoyant member may be secured to the distal end of a secondary arm, which is mounted perpendicular to the lever arm.
  • the secondary arm may be mounted on the lever arm by connecting means that permit the buoyant member, which is mounted on the secondary arm, to move relative to the lever arm in a horizontal direction, a vertical direction or both horizontally and vertically. In this way the position of the buoyant member relative to the lever arm can be varied to optimise the device for all tide heights.
  • the connecting means may comprise drive means that are operable to move the buoyant member relative to the lever arm.
  • the buoyant member position can controlled remotely and/or automatically in response to changes in the wave conditions/tide heights.
  • the lever arm may be telescopic, so as to be adjustable for different wave heights, since generally, the higher the waves, the longer the lever-arm would need to be, and vice versa. This feature is considered particularly useful when the buoyant member is secured to the distal end of the lever arm.
  • lever arm could be set at an average wave height.
  • buoyant member e.g. float
  • piston arrangements could be provided on a single main body portion, each operating in parallel.
  • FIG. 1 in which an example of a wave powered electricity generator according to the invention is shown to comprise a support member 1 , which may be secured to the seabed or to some other structure already in position e.g., a support member of a wind tower, or a leg of a pontoon or pier, or an oil rig or other such structure.
  • a main body portion 2 Releasably mounted on the support member 1 is a main body portion 2, which is generally able to follow the height of the tide, when the generator is used in coastal or tidal areas.
  • the main body portion 2 can also be secured in position on the support member 1 , for example, to enable cleaning or maintenance of the device, or to secure such in extreme sea conditions.
  • a lever-arm 4 which is pivotally connected to the main body 2, and which has at its distal end a float 5, which rises and falls with wave motion.
  • a piston 3a is attached to lever arm 4 and is arranged so as to reciprocate within cylinder 3 under the action of wave motion acting on the float 5.
  • the piston 3a forces water through an outlet opening in the cylinder 3 to force water through a flexible hose 6 to drive an impeller 7.
  • the piston and cylinder arrangement 3a, 3 will include appropriate nonreturn valves (not shown).
  • at least a portion of the cylinder 3 is located under the water line so that the cylinder can refill with water as the piston 3a returns.
  • the impeller 7 is connected via a system of gears 8a and 8b to drive a generator 9, which generates electricity, which can then be taken off to drive electrical equipment or devices or feed into a power grid.
  • the lever-arm 4 is preferably adjustable in length, e.g., by providing such as a telescopic arm to allow the length of such to be adapted to the wave height, and further, alternative types of linkages other than shown could be utilised, subject only to the requirement that such can accommodate a piston which can be reciprocated by the lever arm attached to the float 5.
  • Figure 2 shows an alternative embodiment of a wave powered electricity generator according to the invention.
  • the main body portion of the device 11 is mounted on to a support member 10.
  • a lever arm 12 is pivotably connected to the main body portion .
  • the float 15 is mounted on a secondary arm 13, which is in turn mounted on the lever arm 12.
  • the float 15 is shown in Figure 2 as being mounted at the top end of the secondary arm 13 it is envisaged that the float 15 might alternatively be mounted on the bottom end of the secondary arm 12.
  • the second arm 13 is slideably mounted on the lever arm 12 by suitable connecting means 14.
  • the connecting means 14 ensures that the orientation of the lever arm 12 and secondary arm 13 is maintained so that they stay at a right angle to one another.
  • the connecting means are also operable to facilitate the sliding movement of the secondary arm 13 in both a vertical plane and a horizontal plane of movement relative to the lever arm 12.
  • this arrangement enables the position of the buoyant member (e.g. the float) 15 to be varied to suit different tide heights. This is important as the present embodiment as the main body portion 1 is fixed in position on the support member 10. However it is appreciated that the arrangement could also be usefully implemented when the main body portion is displaceably mounted on a support member to give additional control over the positioning of the float 15 relative to the lever arm 12.
  • the buoyant member e.g. the float
  • the connecting means 14 may comprise locking means, to lock the relative positions of the lever arm 12 and the secondary arm 13, and drive means (not shown) to move the secondary arm 13 relative to the lever arm 12.
  • the drive means could take the form of a rack and pinion arrangement or the like. It is also envisaged the drive means would be operable by electric motors, which could be controlled remotely or automatically to adjust the positioning of the float 15 relative to the lever arm 12.
  • a piston 16a is attached to lever arm 12 and is arranged so as to reciprocate within cylinder 16 under the action of wave motion acting on the float 15.
  • the piston 16a forces water through an outlet opening (not shown) in the cylinder 16 to force water through a flexible hose to drive an impeller, neither of which are shown in Figure 2.
  • a plurality of lever-arms and piston cylinder arrangements could be mounted to a single main body portion 2, 11 or support member to seek to achieve a smooth supply of electricity.
  • the electricity generating devices of the present invention could be incorporated into sea-based wind farms to augment the supply of electricity, even in reduced wind conditions, or could be provided as free-standing devices possibly along a shoreline, feeding electricity to a shore- based station. Such devices could also be mounted on to oil-rigs and decommissioned oil-rigs.
  • an electricity generating device capable of converting wave action into electrical energy.

Landscapes

  • 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

L'invention concerne un dispositif générateur d'électricité pour convertir l'énergie des vagues en électricité. Le dispositif comprend un élément support (1) et une portion de corps principal (2) montée sur l'élément support (1). Le dispositif comprend également un bras de levier (4) relié de manière pivotante à la portion de corps principal (2), un élément flottant (5) étant fixé audit bras de levier. Le dispositif comprend également un piston (3a) relié au bras de levier (4), ledit piston étant disposé de manière à exécuter un mouvement de va-et-vient à l'intérieur d'un cylindre (3) relié avec ou se trouvant à l'intérieur de la portion de corps principal (B). Le mouvement de l'élément flottant (5), agissant par le biais du bras de levier (4), provoque un mouvement de va-et-vient du piston (3a) à l'intérieur du cylindre (3) afin de réaliser une action de pompage pour forcer l'eau à travers un tube (6) relié à une sortie dudit cylindre (3) pour entraîner un rotor (7) relié à un générateur électrique (9) par le biais d'un système d'engrenages (8a, 8b).
PCT/GB2011/052502 2010-12-17 2011-12-16 Générateur d'électricité entraîné par les vagues WO2012080749A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1312719.6A GB2508682A (en) 2010-12-17 2011-12-16 Wave powered electricity generator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1021471.6 2010-12-17
GBGB1021471.6A GB201021471D0 (en) 2010-12-17 2010-12-17 Wave powered electricity generator

Publications (1)

Publication Number Publication Date
WO2012080749A1 true WO2012080749A1 (fr) 2012-06-21

Family

ID=43598583

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2011/052502 WO2012080749A1 (fr) 2010-12-17 2011-12-16 Générateur d'électricité entraîné par les vagues

Country Status (2)

Country Link
GB (2) GB201021471D0 (fr)
WO (1) WO2012080749A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014056049A1 (fr) * 2012-10-11 2014-04-17 Bilić Josip Dispositif utilisant des sources d'énergie renouvelable multiples
WO2015063667A1 (fr) * 2013-11-04 2015-05-07 Xhabija Blerina Générateur d'énergie exploitant des mouvements de marées/de vagues
CN105569906A (zh) * 2015-12-23 2016-05-11 浙江海洋学院 一种水轮机
WO2016070886A1 (fr) * 2014-11-04 2016-05-12 Elzeiny Salah Elzeiny Mostafa Unités poussant l'air pour générer de l'énergie électrique
WO2018081840A1 (fr) * 2016-10-27 2018-05-03 Нариман КАДЫРОВ Centrale hydroélectrique houlomotrice
FR3126456A1 (fr) * 2021-08-31 2023-03-03 Michel Bourriaud Objectif Dispositif houlomoteur à flotteur et levier actifpour les sites maritimes à grands marnages.
EP4328445A1 (fr) * 2022-08-26 2024-02-28 Kamil PODHOLA Système de flotteur en mer
US12037971B1 (en) 2022-12-22 2024-07-16 Rene Moreno Wave powered hydraulic piston generator assembly
GB2627464A (en) * 2023-02-22 2024-08-28 Oakes Ltd A hydroelectric power harvesting apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2597342C1 (ru) * 2015-04-17 2016-09-10 Савин Евгений Александрович Волновой насос для использования в малых гидротурбинах

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970415A (en) * 1975-04-10 1976-07-20 Kaj Widecrantz One way valve pressure pump turbine generator station
US4092828A (en) * 1976-05-10 1978-06-06 Garza Roberto M Hydroelectric plant
DE202008011580U1 (de) * 2008-08-28 2008-10-30 Harrand, Kurt Wasserkraftanlage
WO2009093988A2 (fr) * 2008-01-23 2009-07-30 Mehmet Terziakin Système de production d'électricité à partir des vagues de la mer
GB2467229A (en) * 2009-01-22 2010-07-28 Green Ocean Energy Ltd Vertically and rotationally adjustable wave energy mounting arrangement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970415A (en) * 1975-04-10 1976-07-20 Kaj Widecrantz One way valve pressure pump turbine generator station
US4092828A (en) * 1976-05-10 1978-06-06 Garza Roberto M Hydroelectric plant
WO2009093988A2 (fr) * 2008-01-23 2009-07-30 Mehmet Terziakin Système de production d'électricité à partir des vagues de la mer
DE202008011580U1 (de) * 2008-08-28 2008-10-30 Harrand, Kurt Wasserkraftanlage
GB2467229A (en) * 2009-01-22 2010-07-28 Green Ocean Energy Ltd Vertically and rotationally adjustable wave energy mounting arrangement

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014056049A1 (fr) * 2012-10-11 2014-04-17 Bilić Josip Dispositif utilisant des sources d'énergie renouvelable multiples
WO2015063667A1 (fr) * 2013-11-04 2015-05-07 Xhabija Blerina Générateur d'énergie exploitant des mouvements de marées/de vagues
WO2016070886A1 (fr) * 2014-11-04 2016-05-12 Elzeiny Salah Elzeiny Mostafa Unités poussant l'air pour générer de l'énergie électrique
CN105569906A (zh) * 2015-12-23 2016-05-11 浙江海洋学院 一种水轮机
WO2018081840A1 (fr) * 2016-10-27 2018-05-03 Нариман КАДЫРОВ Centrale hydroélectrique houlomotrice
FR3126456A1 (fr) * 2021-08-31 2023-03-03 Michel Bourriaud Objectif Dispositif houlomoteur à flotteur et levier actifpour les sites maritimes à grands marnages.
EP4328445A1 (fr) * 2022-08-26 2024-02-28 Kamil PODHOLA Système de flotteur en mer
US12037971B1 (en) 2022-12-22 2024-07-16 Rene Moreno Wave powered hydraulic piston generator assembly
GB2627464A (en) * 2023-02-22 2024-08-28 Oakes Ltd A hydroelectric power harvesting apparatus
WO2024175665A1 (fr) * 2023-02-22 2024-08-29 Oakes Ltd Appareil de collecte d'énergie hydroélectrique

Also Published As

Publication number Publication date
GB201021471D0 (en) 2011-02-02
GB2508682A (en) 2014-06-11
GB201312719D0 (en) 2013-08-28

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