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WO2010088890A2 - Dispositif pour exploiter l'énergie cinétique d'un fluide en écoulement - Google Patents

Dispositif pour exploiter l'énergie cinétique d'un fluide en écoulement Download PDF

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Publication number
WO2010088890A2
WO2010088890A2 PCT/DE2010/000125 DE2010000125W WO2010088890A2 WO 2010088890 A2 WO2010088890 A2 WO 2010088890A2 DE 2010000125 W DE2010000125 W DE 2010000125W WO 2010088890 A2 WO2010088890 A2 WO 2010088890A2
Authority
WO
WIPO (PCT)
Prior art keywords
pressure surface
pressure
support disks
pivot axis
stiffening element
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/DE2010/000125
Other languages
German (de)
English (en)
Other versions
WO2010088890A3 (fr
Inventor
Kai-Ude Jannssen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA2787176A priority Critical patent/CA2787176A1/fr
Publication of WO2010088890A2 publication Critical patent/WO2010088890A2/fr
Publication of WO2010088890A3 publication Critical patent/WO2010088890A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/062—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction
    • F03B17/065—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction the flow engaging parts having a cyclic movement relative to the rotor during its rotation
    • 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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/062—Rotors characterised by their construction elements
    • F03D3/066—Rotors characterised by their construction elements the wind engaging parts being movable relative to the rotor
    • F03D3/067—Cyclic movements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/301—Cross-section characteristics
    • 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
    • F05B2250/20—Geometry three-dimensional
    • F05B2250/29—Geometry three-dimensional machined; miscellaneous
    • F05B2250/291—Geometry three-dimensional machined; miscellaneous hollowed
    • 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
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/72—Adjusting of angle of incidence or attack of rotating blades by turning around an axis parallel to the rotor centre line
    • 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
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/78—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism driven or triggered by aerodynamic forces
    • 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
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

Definitions

  • the invention relates to a device for harnessing kinetic energy of a flowing medium, in particular water, mounted around a rotation axis, axially spaced support disks, between which pressure surfaces are arranged, which are pivotally mounted about a pivot axis on the support disks and to attacks that the Limit pivotal movement of the pressure surfaces, support, wherein the pressure surface is formed as a hollow profile.
  • a device for harnessing the kinetic energy of flowing water is known, with several, about a common rotor axis rotating pressure surfaces which are pivotable about parallel and spaced from the rotor axis axes.
  • This device is used in particular for generating energy from tidal currents of the sea, wherein the pressure surfaces are fixed pendulum-like manner to the pivot axes.
  • stop elements for the pressure surfaces are arranged in the radial planes between the pivot axes and the rotor axis.
  • the pressure surfaces and the support disks are hollow. As stop elements arranged parallel to the rotor axis bars are provided, against which the pressure surfaces are supported when they are in the correct orientation in a fluid flow.
  • the object of the present invention is to provide a device with improved efficiency. According to the invention this object is achieved by a device having the features of the main claim. Advantageous embodiments and further developments of the invention are set forth in the subclaims.
  • the device according to the invention for harnessing kinetic energy of a flowing medium having mounted about an axis of rotation, axially spaced support disks, between which pressure surfaces are arranged, which are pivotally mounted about a pivot axis of the support disks and are supported on stops which limit the pivotal movement, wherein the printing surface is formed as a hollow profile, provides that within the pressure surface to the pivot axis spaced a stiffening element is arranged, which extends between end faces of the pressure surface and that the stops are formed as arranged on the support plates projections. Due to the stiffening element within the pressure surface, it is possible to build the pressure surface very rigidly so that high surface pressures can be applied to the support disks via the pressure surface without causing excessive deformations within the pressure surface.
  • the high rigidity of the pressure surface makes it possible for the stops to be designed as projections arranged on the support disks. This makes it possible that only at the ends facing the support disks in the region of the end faces of the pressure surface projections or stop elements must be arranged in the axial direction, ie along the axis of rotation of the device or the pivot axis of the pressure surfaces, only over a relatively small extent extend. So there are no continuous, the support disks connecting stop rods longer required, which cause a large resistance in the movement against the flow, which counteracts the rotation of the support disks. Thus, the flowing medium can flow almost freely between the support disks when the pressure surfaces are not in the pressure-transmitting position. This leads to significant reductions in the torque acting against the drive direction, which is generated by the flow of the medium against the stops.
  • a development of the invention provides that the stiffening element itself is designed as a hollow profile or as an H-beam, so that a high degree of stiffening is achieved with low material usage of the stiffening element. As a result, the printing surfaces themselves can be formed very easily.
  • the stiffening element extends in its longitudinal extent substantially parallel to the pivot axis of the pressure surface in order to distribute the compressive forces acting on the pressure surface uniformly.
  • the stiffening element can be made very short.
  • the stiffening element has a controlled shape, the Loading profile of the pressure plate follows. It can also be arranged a plurality of stiffening elements within the pressure surface, if this is necessary for reasons of rigidity. Furthermore, the reduced strength of the overall construction reduced by the removal of the stop bars is restored by the stiffening elements in the pressure surfaces.
  • the pressure surface advantageously has a curved cross-sectional contour, wherein the stiffening element, if only one is provided, is arranged in the vertex of the curvature. If a plurality of stiffening elements are arranged within the pressure surface, these are arranged in the cross-section of the contour of the curved pressure surface following within the pressure surface.
  • the pressure surface advantageously consists of two mutually spaced, interconnected surface profiles, which are arranged mirror-symmetrically to a median plane of the pressure surface.
  • the surface profiles for example, formed from a bent sheet metal, span the stiffening element or the stiffening elements and form a streamlined, low-resistance as possible profile when the pressure surface is held without a stop in the flow.
  • the mirror-symmetrical design of the surface profiles makes it possible for the device to be driven in both directions of rotation, so that it can also be used as a tidal power station.
  • the device is provided in particular for generating electrical energy, but in principle it is also possible that the kinetic energy of the flowing medium is converted into another form of movement, for example in a rotary motion or in a lifting movement for generating a pump stroke.
  • the mirror-symmetric design of the surface profiles facilitates the production, since only one mold must be in stock. It is possible that the curvature of the surface profiles is generated in the overstretching of the stiffening element.
  • the surface profiles are connected to each other, either directly on the longitudinal edges or by a stiffening element in the region of the front and / or rear longitudinal edge.
  • the pressure surface may have along at least one longitudinal edge an edge element to which the surface profiles of the pressure surface are attached.
  • the attachment can be done for example by welding the surface profiles on the edge element.
  • Another way of attachment is also provided.
  • the edge profile may be formed as a tube or round rod, in particular when this edge element is arranged on the front, the flow-facing hinge side. As a result, a streamlined shaped profile cross-section is generated in the region of the front longitudinal edge at the same time.
  • end strips are fastened to the end faces of the pressure surface in order to close the hollow profile to the outside and possibly to seal it.
  • these end strips may have recesses for bearing journals, which are arranged on the support disks.
  • the respective pressure surface can be stored pendulum-like pivoting between the support disks.
  • a plurality of recesses in the longitudinal extension of the end strip are arranged one behind the other, so that by simply inserting the bearing pin in the respectively required and provided recess a change the position of the pressure surfaces between the support disks can be made.
  • the pivot axis is arranged off-center of the pressure surface, in particular that the pivot axis is arranged in the region of the front longitudinal edge of the pressure surface.
  • the stiffening element may also be arranged off-center of the pressure surface, wherein it is provided that the vertex of the curvature of the surface profiles is displaced in the direction of the pivot axis viewed from the center.
  • the pressure surface then has a slimming in the direction of the rear longitudinal edge profile, the one at the Attacks adjacent, not contributing to the drive of the support disks alignment of the pressure surfaces offers the lowest possible pressure resistance.
  • Figure 1 is a schematic sectional view in axial plan view
  • Figure 2 is a schematic rear view
  • Figure 3 is a partially sectioned view of a printing surface
  • Figure 4 is a sectional view of a printing surface; such as
  • Figure 5 is a side view of a end strip.
  • a device 1 for harnessing the kinetic energy of a flowing medium is shown in a schematic axial top view.
  • water is suitable as a flowing medium, either in flowing waters or in places with a high tidal current.
  • the device 1 has two substantially parallel to each other arranged support disks 2, which are mounted pivotably about a common axis of rotation 6. Both support disks 2 are coupled together by a shaft 7. From the shaft 7 and / or from the support disks 2 can branch off devices for transmitting the rotational movement, for example, a coupling device with a gear, a crank mechanism or the like. In particular, such devices are used to generate electrical energy, so that a coupling with a generator is provided.
  • pressure surfaces 3 Between the two support disks 2 are pressure surfaces 3, in the present embodiment, five pressure surfaces 3 pivotally mounted about pivot axes 4.
  • seven pressure surfaces 3 are arranged evenly distributed on the circumference of the support disks 2, wherein the width of the pressure surfaces 3, so the distance between the front and the rear longitudinal edge, is dimensioned so that the rear longitudinal edge just at the front longitudinal edges of the adjacent pressure surfaces 3 can swing past.
  • the distance between the rear longitudinal edge and the shaft 7 is preferably chosen to be minimal in order to achieve maximum drive resistance.
  • the pressure surfaces 3 overlap each other in the case of opposing pivoting movements which do not occur in practice.
  • the pivot axes 4 extend substantially parallel to the axis of rotation 6 of the device.
  • the pressure surfaces 3 are mounted like a pendulum between the support letter 2, wherein the pivot axis 4 is arranged in the region of the front longitudinal edge of the pressure surfaces.
  • the rear end of the pressure surface, that is, the longitudinal edge remote from the pivot axis 4, is supported in certain positions of the pressure surfaces 3 against stops 5, which are also formed or fixed to the support disks 2.
  • the pressure surfaces 3 located above the axis of rotation 6 abut against the stops 5 and transmit the pressure forces acting on the pressure surfaces 5 via the pivot axes 4 and the corresponding bearings and the stops 5 on the support disks 2, of which the resulting torque is transmitted to the shaft 7.
  • the arranged below the axis of rotation 6 pressure surfaces 3 lie in the flow, so that only a small resistance of the located below the axis of rotation 6 pressure surfaces 3 counteracts the drive torque.
  • FIG. 2 shows a plan view of the device 1, from which it can be seen that the two support disks 2 are aligned essentially parallel to one another.
  • the support disks 2 may be formed either as solid disks or as a hollow body to provide an optionally required buoyancy.
  • the pressure surfaces 3 are mounted about pivot pins 8 on the support disks 2.
  • the stops 5 are formed as projections or pins, which extend only so far in the direction of the end faces of the wings 3, that the pressure surfaces 3 can be supported securely.
  • the projections 5 are formed as pins, which are arranged in the immediate vicinity of the shaft 7 concentric with the axis of rotation 6. Between two opposing stops 5, a free space is formed, so that the inflowing medium can flow substantially freely between the support disks 2.
  • FIG. 2 not all printing surfaces 3 are shown, but only the upper and lower printing surfaces 3 at standstill of the device.
  • FIG. 3 shows a schematic illustration of a pressure surface 3 in plan view.
  • the pressure surface 3 has at its end faces on two end strips 31, between which surface profiles 32 are arranged. In the plan view according to FIG. 3, only one surface profile 32 is shown, the cross section of the pressure surfaces 3 will be explained in greater detail in FIG.
  • a stiffening element 33 extends, which extends substantially parallel to the pivot axis 4. The stiffening element 33 serves to reduce or avoid a deflection of the surface profile 32 due to the surface pressure caused by the inflowing medium, for example water.
  • recesses 311, 312, 313 are provided for the bearing pin 8, so that the pressure surfaces 3 can be mounted on the end strips 31 pivotally between the support disks 2.
  • the recesses 311, 312, 313 lie in longitudinal extension of the end strips 31 in succession, so that the bearing pins 8 can be inserted at different locations within the end strips 31.
  • the pivot axis 4 shifts from the front edge of the pressure surface 3 in the direction of the center of the pressure surface third
  • FIG. 4 shows a cross-sectional illustration of the pressure surface 3.
  • the front end strip 31 is permanently attached to the surface profiles 32, 34, in particular welded.
  • the cross section of the pressure surface 3 is mirror-symmetrical to a center plane 30, so that the direction of rotation reversal of the device 1 can be easily realized.
  • an edge element 35 is arranged, which is designed as a round rod.
  • the leading edges of the doctorsnpro file 32, 34 are welded to the edge member 35.
  • the rear edges of the surface profiles 32, 34 are welded together.
  • a cavity is formed, in which a stiffening element 33, in the present case in the form of a tube, is arranged.
  • the surface profiles 32, 34 straddle the stiffening element 33 and can be firmly connected thereto, for example, welded.
  • the stiffening element 33 may also be formed as a differently configured profile, for example as an H-beam or so-called double T-beam.
  • the stiffening element 33 which is arranged between the end strips 31 and is connected to transmit power to the end strips 31, the rigidity of the pressure surfaces 3 is significantly increased.
  • the edge element 35 is provided, which also provides a stiffening against the effective compressive forces and counteracts a deformation of the pressure surfaces 3, which is generated by the surface pressure on the surface profiles 32, 34.
  • the stiffening element 33 is arranged at the greatest thickness of the surface 3, ie at the apex of the curvature of the surface profiles 32, 34. Should further stiffening be necessary, further stiffening elements can be arranged within the pressure surface 3.
  • the curvature of the surface profiles 32, 34 serves for further stiffening of the pressure surface 3.
  • the stiffening element 33 is arranged eccentrically on the pressure surface 3, that is to say that the stiffening element 33 is arranged displaced from the center in the direction of the front edge or the edge element 34.
  • the round edge element 34 additionally reduces the flow resistance.
  • FIG. 5 shows a side view of a closing strip 31, in which it can be seen that a plurality of recesses 311, 312, 313 are arranged one behind the other along the median plane 30 of the end strip 31 and thus also in the median plane of the pressure surface 3 serve the pivot and journals 8.
  • the pressure surfaces 3 are formed as hollow profiles, they can also be scanned with respect to the inlet of the flowing medium, so that a buoyancy of the pressure surfaces 3 can be realized, so that they are easier in the flow, if these are not used as a pressure-transmitting resistance surfaces ,
  • the device In addition to using the device as a drive device for a generator or a work machine, conversely, it can itself be driven by a motor to produce a fluid flow. Due to the rigid construction of the pressure surfaces and the high efficiency due to the elimination of the stop bars high pressures, flow rates or flow rates can be generated.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (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)
  • Rotary Presses (AREA)

Abstract

L'invention concerne un dispositif pour exploiter l'énergie cinétique d'un fluide en écoulement. Ce dispositif comprend des disques porteurs (2) qui sont montés sur un axe de rotation (6) et sont espacés axialement et entre lesquels sont disposées des surfaces de pression (3) qui sont montées pivotantes autour d'un axe de pivotement (4) sur les disques porteurs (2) et s'appuient contre des butées (5) qui limitent le mouvement de pivotement, la surface de pression (3) se présentant sous forme de profilé creux. Un élément raidisseur (33) est disposé à l'intérieur de la surface de pression (3) à distance de l'axe de pivotement (4), cet élément s'étendant entre des faces frontales de la surface de pression (3). Les butées (5) se présentent sous forme de parties saillantes disposées sur les disques porteurs (2).
PCT/DE2010/000125 2009-02-05 2010-02-04 Dispositif pour exploiter l'énergie cinétique d'un fluide en écoulement Ceased WO2010088890A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2787176A CA2787176A1 (fr) 2009-02-05 2010-02-04 Dispositif pour exploiter l'energie cinetique d'un fluide en ecoulement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009007593A DE102009007593A1 (de) 2009-02-05 2009-02-05 Vorrichtung zur Nutzbarmachung kinetischer Energie eines strömenden Mediums
DE102009007593.3 2009-02-05

Publications (2)

Publication Number Publication Date
WO2010088890A2 true WO2010088890A2 (fr) 2010-08-12
WO2010088890A3 WO2010088890A3 (fr) 2011-06-03

Family

ID=42317397

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2010/000125 Ceased WO2010088890A2 (fr) 2009-02-05 2010-02-04 Dispositif pour exploiter l'énergie cinétique d'un fluide en écoulement

Country Status (3)

Country Link
CA (1) CA2787176A1 (fr)
DE (1) DE102009007593A1 (fr)
WO (1) WO2010088890A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2431603A1 (fr) * 2010-09-16 2012-03-21 Hydrogeneos S.L. Générateur hybride éolien solaire
ITUD20110150A1 (it) * 2011-09-29 2013-03-30 Fiorenzo Zanin Turbina per la produzione di energia elettrica
DE102012021674A1 (de) * 2012-11-07 2014-05-08 Atlantisstrom GmbH & Co. KG Vorrichtung zur Nutzbarmachung kinetischer Energie eines strömenden Mediums
CN102926928A (zh) * 2012-11-23 2013-02-13 浙江大学 垂直轴风力发电机风轮
DE102018100546A1 (de) 2018-01-11 2019-07-11 Helmut Schmetzer Wasser- und/oder Windkraftwerk

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005108780A1 (fr) 2004-05-06 2005-11-17 Kai-Ude Janssen Dispositif pour exploiter l'energie cinetique de courants d'eau

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2804919A1 (de) * 1978-02-06 1979-09-13 Heinz Lange Windkonverter mit vertikaler achse
DE3825241A1 (de) * 1988-04-08 1989-10-19 Bentzel & Herter Wirtschafts U Windturbine
US5375324A (en) * 1993-07-12 1994-12-27 Flowind Corporation Vertical axis wind turbine with pultruded blades
DE19741495A1 (de) * 1997-09-19 1999-03-25 Egon Gelhard Windkraftvorrichtung mit Darrieus-H-Rotor
US6688842B2 (en) * 2002-06-24 2004-02-10 Bruce E. Boatner Vertical axis wind engine
GB0415545D0 (en) * 2004-07-12 2004-08-11 Peace Steven Wind turbine
WO2010011370A1 (fr) * 2008-07-25 2010-01-28 Gulfstream Technologies, Inc. Appareil et procédé permettant de générer de l'énergie électrique à partir d'un courant d'eau souterraine
DE102006044240A1 (de) * 2006-09-15 2008-03-27 Tassa Gmbh Windkraftmaschine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005108780A1 (fr) 2004-05-06 2005-11-17 Kai-Ude Janssen Dispositif pour exploiter l'energie cinetique de courants d'eau

Also Published As

Publication number Publication date
DE102009007593A1 (de) 2010-08-12
WO2010088890A3 (fr) 2011-06-03
CA2787176A1 (fr) 2011-08-12

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