WO2016032331A1 - Appareil d'échange d'énergie cinétique entre un flux de fluide et une structure reliée à l'appareil - Google Patents

Appareil d'échange d'énergie cinétique entre un flux de fluide et une structure reliée à l'appareil Download PDF

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Publication number
WO2016032331A1
WO2016032331A1 PCT/NL2015/050594 NL2015050594W WO2016032331A1 WO 2016032331 A1 WO2016032331 A1 WO 2016032331A1 NL 2015050594 W NL2015050594 W NL 2015050594W WO 2016032331 A1 WO2016032331 A1 WO 2016032331A1
Authority
WO
WIPO (PCT)
Prior art keywords
blades
hinge
channel
kinetic energy
guides
Prior art date
Application number
PCT/NL2015/050594
Other languages
English (en)
Inventor
Johannes Willem VAN BRIEMEN
Original Assignee
Htp Technologies B.V.
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 Htp Technologies B.V. filed Critical Htp Technologies B.V.
Publication of WO2016032331A1 publication Critical patent/WO2016032331A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/04—Propulsive elements directly acting on water of rotary type with rotation axis substantially at right angles to propulsive direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H11/00—Marine propulsion by water jets
    • B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
    • B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
    • B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
    • 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"
    • 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
    • F03D—WIND MOTORS
    • F03D5/00—Other wind motors
    • 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
    • F05B2250/10—Geometry two-dimensional
    • F05B2250/13—Geometry two-dimensional trapezial
    • F05B2250/131—Geometry two-dimensional trapezial polygonal
    • 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
    • F05B2250/10—Geometry two-dimensional
    • F05B2250/13—Geometry two-dimensional trapezial
    • F05B2250/132—Geometry two-dimensional trapezial hexagonal
    • 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
    • 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
    • Y02E10/70—Wind energy

Definitions

  • the present invention relates to an apparatus for exchanging kinetic energy between a fluid and a structure connected to the apparatus, wherein the fluid moves relatively to the structure, the apparatus comprising a channel enclosed by a channel wall connected with the structure, the channel wall being adapted to guide the fluid, an even number of at least two substantially identical blades arranged symmetrically within the channel, being moveable within the channel, the blades being connected to an energy converter coupled with the structure, the blades being adapted to perform a recurrent movement, in the flow direction with the main plane of the blades substantially perpendicular to the flow direction and against the flow direction with the main plane of the blades substantially parallel to the flow direction and connection means for exchange of the movement of the blades to an energy converter coupled with the structure.
  • Such an apparatus is attractive as it obtains a highly efficient conversion of the kinetic energy from the fluid to the structure or from the structure to the fluid.
  • the reason for this high efficiency resides in the direction of the blades during the movement wherein thrust is exchanged between the blades and the fluid; during this movement the blades extend substantially perpendicular to the direction of flow of the fluid. This implies that the direction of the pressure between the blade and the fluid is equal or nearly equal to the direction of flow, leading to a complete use of the surface area of the blade so that small apparatuses according to the invention may exchange substantial powers.
  • Another advantage of the movement of resides in the fact that the direction of movement of the blades is substantially parallel to the direction of the flow minimising eddy flows and the losses related thereto.
  • the present invention proposes to provide guides extending from the channel wall into the channel for supporting the blades at a distance from the channel wall during the movement of the blades. These guides provide added support and guidance to the parts of the blades which are furthest from the connection of the blades thus ameliorating the load on the bearings.
  • the apparatus comprises six blades.
  • the six blades will be located in a part of the channel with a hexagonal cross-section, but other cross sections are not excluded.
  • the movement of adjacent blades is shifted in phase over 180° to avoid interference between the blades.
  • This embodiment assumes the presence of one blade in every angular position of the cross section of the channel. However it is not excluded that more than one blade is located in an angular position.
  • the blades each comprise two substantially identical blade parts, separated by a hinge, the axis of the hinge extends in a radial plane in each position of the blades, each blade part is connected by a connection element to shaft journalled to the channel wall, the guides extend in the radial plane in which the hinges extend and the hinges are connected to the guides.
  • This embodiment introduces symmetry within the blades, allowing a simple connection between both blade halves and the shaft which transfers the movement of the blades to the structure.
  • the guides each comprise a mechanism adapted to submit the hinge to a movement, wherein the ends of the hinge describe cardioid paths.
  • the cardioid curve can be described mathematically by addition of two rotations of on different centre points and with different rotation frequencies as depicted in figure 6. This figure shows how the cardioid movement is obtained by superposition of a first rotation of the rotating point 102 around a fixed centre point 101 with a first angular speed and a second rotation of the ends 103, 104 of a bar 106 rotating around the rotating point 102 with a second angular speed twice the angular speed of the first rotation and in the opposite direction.
  • the coordinates of the ends 103, 104 of the bar 105 are described by the following formula's:
  • An constructional simple embodiment provides the feature that the mechanism comprises an epicyclic gear system, and that the hinge is connected to the planet wheel of the epicyclic gear system of which the axes extend perpendicular to a radial plane.
  • the epicyclic gear system comprises a sun wheel fixed to a radial wall, a rotatable carrier rotatable around the axis of the sun wheel, wherein the planet wheel is rotatably journalled on the rotatable carrier and an intermediate wheel rotatably journalled on the carrier and meshing the sun wheel and the planet wheel.
  • the gears of the epicyclic gear system are enclosed in an enclosure between the radial wall and a lid, the lid being rotatably journalled in the radial wall, wherein a shaft between the sun wheel and the hinge extends through the lid.
  • lids at both sides of the epicyclic gear system, wherein one of these lids or both lids function as a rotatable carrier and wherein the shaft extends through both lids.
  • an epicyclic gear system is located at both sides of the radial wall, and that the blade halves located at either side of the radial wall are each connected to a hinge connected to the sun wheel.
  • the use of multiple blades in the same position in the channels is not excluded; for such situations a specific embodiement provides the feature that the epicyclic gear system comprises more than one planet wheel being rotatably journalled on the rotatable carrier and intermediate wheels, each rotatably journalled on the carrier and each meshing the sun wheel and one of the planet wheels.
  • the guides each comprise a curved rail, along which a carriage is moveable and that the carriages are each connected to a hinge.
  • Mathematical analyses of the movement of the blades reveals that the hinge between the blades comprises points which execute a circular movement during the recurrent movement of the blades, allowing to use a curved rail with a circular shape.
  • the ends of the hinge execute a cardioid movement, as stated before.
  • the rail has a cardioid shape, allowing the hinges to be supported at their ends. It is not excluded that the support is embodied otherwise than as a rail, for instance as a groove milled into a plate extending in the radial direction.
  • a constructional attractive embodiment provides the feature that each of the connection elements is connected by a hinge to the blade part at one of its ends and is connected by a hinge at its other end to a shaft extending substantial tangentially and which is connected to an energy converter and that the axis of the hinges extend parallel. It is noted that this embodiment diverges slightly from the embodiments discussed hitherto in that the movement is different; of course symmetry is maintained but the analyses of the movement is different as it forms a rotation around an axis rather than a composite movement as in the preceding embodiments.
  • connection elements each comprise a rod, at both sides of which a hinge has been provided.
  • the rod extends in a sector shaped cavity provided in the blade part.
  • This latter embodiment is less attractive for liquids such as water, due to the movement of the rod within the confined cavity.
  • connection elements each have the U-shaped configuration of which the legs extend at either side of the blade part.
  • the shafts are mutually connected and that the shafts are connected to the power converter.
  • the apparatus according to the invention can be used to the conversion of kinetic energy from a flowing fluid to the kinetic energy of a moving structure, but also for the conversion of kinetic energy from a moving structure to the kinetic energy of a fluid. This implies that energy conversion in two directions is possible. Often a further conversion of energy is required, such as into electrical energy or from electrical energy.
  • a preferred embodiment proposes to couple the connection elements each to a first part of an energy converter and to connect the blade parts each to the second part of the energy converter.
  • the energy converter may be an electrical machine, which can function as a generator or as a motor allowing energy conversion in both directions.
  • This embodiment provides an integration of the electric machine into the apparatus itself, avoiding the use of electrical machines located elsewhere, and hence providing a compact structure.
  • the energy converter need not be an electrical machine, as it may be formed of a machine comprising pistons and cylinders such as an engine or a compressor.
  • an attractive application of the invention resides in the conversion of kinetic energy of flowing water to kinetic energy of a rotating shaft, which can be used for water turbines.
  • a similar application of the invention resides in the propulsion of ships.
  • the apparatus is dimensioned for converting kinetic energy of a rotatable shaft into kinetic energy of vessel connected to the apparatus and that the rotatable shaft of the apparatus is connected to a combustion engine or to an electric motor.
  • Another preferred embodiment provides the feature that the rotatable shaft is coupled to an electric generator.
  • a major advantage resides in strong reduction of currents in the direction deviating from the main direction of flow. This implies that adjacent flows generated by the apparatus according to the invention will interfere less than before. This will not only count for situations wherein the apparatus according to the invention is used for generating flows, but also in situations wherein the kinetic energy of flows is converted into kinetic energy of a rotating shaft, wherein the lack of flows deviating from the main direction of flow will appear from the flows leaving the apparatus. This effect allows to combine a number of apparatuses in their immediate vicinity.
  • a preferred embodiment of hence provides the feature that the rotatable shafts of the apparatuses extend mutually parallel, and that the distance between the channel walls of adjacent apparatuses is smaller than the width of the channel walls.
  • the apparatuses do not necessarily have to be arranged with their centres in the same plane, but due to constructional reasons it can be attractive when the blades of the apparatuses in their position perpendicular to the flow direction, extend substantially in the same plane.
  • This allows to construct 'energy walls' with large numbers of apparatuses being arranged in the same structure.
  • Such walls may be constructed in the sea, preferably in locations wherein tides provide for alternating flows, but also in locations where winds are prevailing to allow large amounts of energy to be generated by a single structure.
  • each of the apparatuses it is possible to connect to a separate energy converter, but it is usually attractive to connect al apparatuses to the same energy converter.
  • Figure 1 is a diagrammatic perspective view of an apparatus according to the prior art
  • Figure 2 is a view similar to figure 1, wherein the guides according to the invention have been provided;
  • Figure 3 is a cross sectional view over a the radial plane of a hinge of a second embodiment of the invention;
  • Figure 4 is a cross sectional view of a
  • Figure 5 is a diagram of an array of apparatuses according to the invention.
  • Figure 6 is a diagram showing the paths of the cardioid movement used as guides
  • Figure 7 is a diagram showing an second embodiment of the guides, based on the movement depicted in figure 6;
  • Figure 8 is a diagram showing a cross section of a variation of the second embodiment
  • Figure 9 shows a diagram depicting a third embodiment
  • Figure 10 a diagram depicting another variation of the second embodiment.
  • Figure 1 displays a channel of which the wall 1 is represented by wall pieces la and connecting bands lb only, to allow to show other parts.
  • Figure 2 shows a cross sectional view of this channel with the channel wall 1.
  • the channel has across section with the shape of a regular twelvefold polyhedron, approaching the cross section of a circle. This shape has been chosen to allow six blades 2 to fit into the channel. The number of six blades combines also well with channel with a round cross section or with a hexagonal cross section.
  • the blades 2 have been arranged symmetrically in the channel. Of course other numbers of blades could have been provided such as four blades or eight blades, wherein the shape of the cross section of the channels would have to be adapted to the number of blades. As adjacent blades are arranged with a mutual phase angle of 90 °, the number of blades has to be even to avoid mutual interference.
  • Figure 1 shows three blades 2a extending substantially perpendicular to the direction of flow and thee blades 2b extending substantially parallel to the direction of flow. Each of the blades a comprises a hinge 4, separating each blade 2 in two equal blade halves 5a, 5b, as caused by the fact that the hinge 4 extends in a radial plane.
  • Adjacent to the wall 1 Adjacent to the wall 1 extends six shafts 6, which are journalled in bearings 7 connected to the wall 1.
  • the shafts 6 extend in the tangential direction to the wall and the shafts are located between the blades 2.
  • the shafts are located within the walls of the channel, but it is equally possible to have the shafts extend outside the channel walls 2.
  • a universal joint 8 At each end of the shafts a universal joint 8 has been provided and a rod 9 is connected to each of the universal joints 8.
  • the free end of each of the rods 9 is connected to another universal joint 11 which is connected to the centre of the hinge 4.
  • the rods each extend parallel to one side of the blade half 5.
  • connection part 12 has been provided to the rods, which engages the edge 13 of the blades.
  • the rods 9 are replaced by U-shaped parts of which the bridge part is connected to the universal joint at the side of the shafts, while the legs of the U-shaped parts extend at either side of the blade halves.
  • the blade parts each have a sector shaped cavity in which the roads extend.
  • the kinetic energy which has been transferred to the shafts which has been transferred from the shafts has to be transferred to and from an energy converter, which is not depicted in the drawings.
  • the connection may take place via gears 14 located on the shafts and which are in engagement with gears connected with the energy converter. Other constructions for these transfers are however not excluded.
  • a guide rail 15 has been provided, which is depicted in figure 2.
  • the edges of the hinges 4 have carriages 15a at their ends which slide along the guide rails to provide the extra support.
  • figure 2 shows only a cross section, only two rectangles are visible which represent the rail, while further two smaller rectangles are shown which represent the carriages connected to the ends of the hinges and being guided along the guide rails 15.
  • the guide rail has the shape of an epicycloid.
  • An epicycloid is a line composed of the sum of two circular lines having different radii.
  • the epicycloid has a discontinuity, for which provisions have to be made to allow the carriages 15 to follow the discontinuity of the guide rails 15.
  • FIG. 3 shows an embodiment wherein the energy converter has been incorporated into the blades.
  • Figure 3 shows only a single blade 2 having two blade halves 5a, 5b, but it will be clear that the each of the blades will have a similar structure.
  • like elements have been designated with like reference numbers.
  • a sector shaped cavity 31 has been provided in each of the blade halves 5a, 5b .
  • a coil 32 surrounding the cavity 31 has been wound.
  • the coil 32 may encompass the complete angle of the sector shaped cavity 31but may also extend over a part of the cavity only.
  • the rods 9 extend for a part or for the whole of their length within the cavity 31.
  • Each of the rods 9 is connected with an anchor 33 having the shape of a sector of a ring and extending concentrically with the centre of the blades.
  • the anchor 33 is magnetic, either in the form of a permanent magnet or in the form of an electromagnet.
  • the combination of each of the coils 32 and the magnet 33 coupled with said coil 32 forms an electric machine, which can work as a generator or as an electric motor.
  • the coils 32 are connected with wires not depicted in the drawings to rectifiers or other electric equipment not depicted in the drawings allowing said combination to perform its function as a generator or as an electric motor.
  • the shafts 18 are each connected to a hinge 4, such that rotation of a shaft 18 leads to rotation of the hinge 4, relative to the centre of the shafts 18. Rotation of the hinges 4 leads to ration of the blade halves 5a, 5b, just as in the preceding embodiments. However the presence of the shafts 18 requires teach of the blades halves to be parted to take account of the location of the shafts.
  • the parts of the blade halves 5a, 5b which are connected with the rods 9 in any of the ways described above, are controlled by the rods 9, but the parts of the blade halves 5a, 5b at the inner location, must be connected to the outer parts of the same blade halve 5a, 5b to allows these inner blade halve parts to follow the required movement.
  • the rods 9 serve in this embodiment only for control of the angle of the blade halves relative to the hinge 4, so that the can be connected to the channel wall 1 by simple ball joints 10.
  • this embodiment discloses a different shape of the blades 5a, 5b, wherein the shape is adapted to approach the full cover of the cross section of the channel. It is however also possible to use round blades as in the preceding embodiment.
  • figure 5 shows an diagram of an array of seven apparatuses according to the present invention which are united in the shape of a tree. This shape makes this embodiment in particular suitable for application for conversion of wind energy into mechanical and further into electrical energy.
  • This embodiment comprises a mast 20, onto which a carrier piece 21 has been provided.
  • This carrier piece 21 carries seven apparatuses 22 according to the invention.
  • each apparatus 22 has the shape of a twelvefold polyhedron allowing these apparatuses to be combined in the pattern depicted, while providing space for the energy converters 23 interleaved in the pattern.
  • This embodiment provides a wind turbine having an excellent efficiency, and having an agreeable appearance, while further the noise level generated by the apparatuses is substantially lower than the noise level generated by wind turbines of more common types, as caused by the lower speed of the blades.
  • Figure 6 shows the radial wall 50, which has substantially the shape of the cardioid, although other shapes are not excluded.
  • a substantially circular cavity 51 has been provided in the centre of which a pin, not depicted in the drawing has been fixed to the wall 50.
  • a driving wheel 52 with a central aperture 53 is located in the cavity 51 rotatably around the central pin.
  • gear 54 functioning as a sun wheel has been located on the pin and fixed relative to the wall 50 .
  • a first and second bearing 55, 56 have been provided and journalled on the first bearing is a first planet gear 57, meshing with the sun wheel 54, while on the second bearing 56 a second planet gear 58 has been journalled meshing with the first planet gear 57.
  • a short shaft 59 is connected for rotation with the second gear 58.
  • the number of teeth of the first planet gear 57 is equal to that of the sun wheel 54 and the number of teeth of the second planet wheel 58 is twice that of the first planet gear 57.
  • the short shaft 59 extends through an aperture in a cover plate not depicted, covering the cavity 51. It is noted that the cover plate will rotate to allow rotation of the short shaft 59.
  • a bar 61 On the short shaft 59, outside the cavity 52 a bar 61 has been provided, which functions as the shaft of a hinge of one of the blade parts of the apparatus.
  • FIG. 8 depicts a situation wherein the driving wheels 52 also functions as a cover, obviating the need for a separate cover. This features requires the driving wheels 52 to be journalled by their edges in the cavities 51. Further the sun wheels 54 are made as a single part with the wall 50 and the first planet gears 57 are journalled on short shafts 55 extending from the drive wheels 52. In the drive wheels 52 apertures have provided functioning as bearings for shafts 59 on which the second planet gears 58 have been provided. As in the embodiment discussed before the bars 61 functioning as axes for the hinges are connected to the outer ends of the shafts 59.
  • Figure 9 shows an embodiment, wherein four blades are located at the same position, and wherein the four blades are phase shifted over 90°.
  • Figure 9 discloses the same configuration as figure 8, albeit with four first and second bearings 55, 56 and four first and second planet gears 57, 58.
  • On each of the second planet gears a short shaft has been provided, extending through an aperture in a cover blade not depicted in this drawing.
  • On each of the four short shafts a bar has been provided, which may function as a shaft of a hinge connected to a blade part.
  • This configuration may be used in the apparatus according to the invention as discussed above, but it may also be used in a different apparatus, such as the Kirsten-Boeing and Voith-Schneider propellers.
  • the single embodiment may also be used in the apparatuses according to Kirsten-Boeing and Voith-Scheider. It will be clear that in the latter case the hinge will be omitted and that the blade of the propeller will be rigidly connected to the bar. Of course this embodiment may be built in the symmetrical configuration as depicted in figure 8. In the embodiments discussed before the transfer of mechanical power between the blades and the power converter via the gear system as depicted in figures 1-4. The last embodiments, discussed in relation to figures 6-9 allow transfer of the mechanical energy via the driving wheel 52, which is indeed connected for rotation with the blades, and of which the position is attractive to be connected with shafts with simple gears avoiding universal or homokinetic joints.
  • Figure 10 shows an embodiment similar to the embodiment shown in figure 9, wherein the edges of the driving wheels 52 are provided with gear teeth 64 , and which are in engagement with gears 65 located on tangential shafts 66, which are mutually connected for rotation by conical gears 67. These tangential shafts are connected with the power converter, not depicted in the drawing.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

L'invention concerne un appareil d'échange d'énergie cinétique entre un fluide et une structure reliée à l'appareil, le fluide se déplaçant par rapport à la structure, l'appareil comprenant un canal symétrique délimité par une paroi de canal reliée à la structure, et conçu pour guider le fluide, un nombre pair de pales (13) disposées symétriquement dans le canal, mobiles à l'intérieur du canal et reliées à un convertisseur d'énergie couplé à la structure, les pales étant conçues pour effectuer un mouvement récurrent dans la direction de flux lorsque le plan principal des pales est sensiblement perpendiculaire à la direction d'écoulement, et dans le sens inverse de la direction de flux lorsque le plan principal des pales est sensiblement parallèle à la direction de flux, des moyens de raccordement (9) entre les pales et un convertisseur d'énergie couplé à la structure, et des guides (15) s'étendant de la paroi de canal dans le canal pour supporter les pales à une certaine distance de la paroi de canal.
PCT/NL2015/050594 2014-08-28 2015-08-25 Appareil d'échange d'énergie cinétique entre un flux de fluide et une structure reliée à l'appareil WO2016032331A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2013378 2014-08-28
NL2013378A NL2013378B1 (en) 2014-08-28 2014-08-28 Apparatus for exchanging kinetic energy between a flowing fluid and a structure connected to the apparatus.

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WO2016032331A1 true WO2016032331A1 (fr) 2016-03-03

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WO (1) WO2016032331A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005059358A1 (fr) * 2003-12-19 2005-06-30 Daniel Aguilar Arrieta Systeme de generation d'energie electrique obtenue au moyen du vent ou de mouvements provoques par l'eau
US20110148120A1 (en) * 2009-12-22 2011-06-23 Fu-Chang Liao Wind-powered device
NL1039946A (nl) 2012-05-11 2013-11-12 Briemen Diverse aandrijvingen en uitvoeringen van de hexa-tetrahedron propeller.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005059358A1 (fr) * 2003-12-19 2005-06-30 Daniel Aguilar Arrieta Systeme de generation d'energie electrique obtenue au moyen du vent ou de mouvements provoques par l'eau
US20110148120A1 (en) * 2009-12-22 2011-06-23 Fu-Chang Liao Wind-powered device
NL1039946A (nl) 2012-05-11 2013-11-12 Briemen Diverse aandrijvingen en uitvoeringen van de hexa-tetrahedron propeller.
NL1039946C2 (nl) 2012-05-11 2013-11-20 Briemen Diverse aandrijvingen en uitvoeringen van de hexa-tetrahedron propeller.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Hexa-Tetrahedron Propeller", 24 November 2013 (2013-11-24), XP054975842, Retrieved from the Internet <URL:https://www.youtube.com/watch?v=-3Bw0hftX_g> [retrieved on 20150428] *

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