WO2014079417A1 - Device for harnessing flow energy - Google Patents
Device for harnessing flow energy Download PDFInfo
- Publication number
- WO2014079417A1 WO2014079417A1 PCT/DE2013/100395 DE2013100395W WO2014079417A1 WO 2014079417 A1 WO2014079417 A1 WO 2014079417A1 DE 2013100395 W DE2013100395 W DE 2013100395W WO 2014079417 A1 WO2014079417 A1 WO 2014079417A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ring
- core
- elements
- bodies
- voltage
- Prior art date
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
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
-
- 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
- F03D5/04—Other wind motors the wind-engaging parts being attached to carriages running on tracks or the like
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
- H02K21/18—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having horse-shoe armature cores
- H02K21/185—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having horse-shoe armature cores with the axis of the rotor perpendicular to the plane of the armature
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1869—Linear generators; sectional generators
-
- 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
- F05B2240/21—Rotors for wind turbines
- F05B2240/211—Rotors for wind turbines with vertical axis
-
- 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
-
- 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
- Y02E10/72—Wind turbines with rotation axis in wind direction
Definitions
- the invention relates to a device for the use of flow energy, in particular wind energy, with elements having inflow surfaces, which are circumferentially movable on a closed path about a rotational axis arranged transversely to the flow direction and spaced from each other, and with a device for transmitting the recorded with the elements Flow energy to a generator.
- Such a device is known from WO 2007/9462 AI.
- the elements are arranged parallel to each other and rotate, unlike a conventional wind turbine, not in a direction perpendicular to the flow direction, but in a plane parallel thereto. They are mounted on a circular, designed as a gear holder, with which the absorbed flow energy is transmitted to the generator. Since, in particular at high flow velocities and in the case of large devices with a gear diameter of> 50 m, large forces and possibly strong vibrations occur, high demands are placed on the mechanical stability of the devices.
- One for a transmission of kinetic energy to a generator sufficiently accurate
- the invention has for its object to provide a device of the type mentioned, the forces that are exerted by a flow on the elements, better transmitted to the generator.
- the object is achieved in that the transmission device comprises at least one ring which is movable and connectable with the elements and on which a plurality of bodies which consist of ferromagnetic material and / or Are permanent magnets, are arranged, and that the generator comprises a provided with a generator coil core which engages over the ring.
- the ring according to the invention preferably circular, makes it possible to decouple forces caused by the flow and acting on the elements from the generator.
- the device can be operated in comparison to known devices even at higher flow velocities and / or larger ring diameters.
- the flow energy can be transferred contactless in a particularly simple construction of the generator, the flow energy .
- the device tolerates to a certain extent movements of the ring in the horizontal direction, without this leading to an impairment in the operation of the device, in particular in the energy transfer leads.
- the core is horseshoe-shaped and the bodies are movable between the legs of the core.
- the bodies are arranged at a distance from each other on the ring.
- the bodies can be made flat so as to be able to arrange them well in the ring, and are preferably plate-shaped or disc-shaped.
- the bodies are embedded in the ring. Preferably, they have a circular, oval or rectangular shape.
- the bodies are formed from permanent magnets, a voltage is induced when the permanent magnets move past the core in the generator coil, so that electrical energy can be taken from there.
- the core is provided in addition to the generator coil with a coil for generating a magnetic field. If a magnetic field is generated in the core, this is changed by the passing of the bodies on the core. The change in the magnetic field in the core generates in the generator coil the voltage that is used to remove the electrical energy.
- the device is set up to apply a DC voltage or an AC voltage, preferably sinusoidal, triangular or rectangular, to the field generation coil.
- the magnetic field strength can be controlled via the field generation coil.
- the elements in their configuration when no voltage is applied to the field generating coil and no magnetic field is formed in the core, no holding force caused by the magnetic field is to be overcome.
- the device is adapted to control the voltage of the field generation coil in dependence on a frequency with which the bodies are guided past the core and / or a rotational speed of the ring.
- a device for determining the frequency or the rotational speed is provided for this purpose, which is connected to a controller, by means of which the voltage at the field generating coil is adjustable.
- the device is adapted to change the voltage of the field generation coil such that the direction of the generated magnetic field is reversed for each body passing the core such that an AC voltage is inducible in the generator coil.
- the device is adapted to apply such a voltage in the field generation coil that an AC voltage is inducible to the generator coil passing the body at the core, having a certain target waveform of the voltage, preferably at least approximately sinusoidal, triangular or rectangular waveform.
- the generator as a synchronous generator, for example, at 230V / 50Hz, operated and connected directly to a low voltage network.
- a synchronization of the rotational speed of the ring and the size of the voltage to be applied to the field generating coil is provided. see such that in the generator coil, a voltage of a specific target frequency is inducible.
- Magnetic field on the core to provide at least one permanent magnet. This proves to be particularly advantageous in relatively small plants in which the frequency of the induced voltage is not important, e.g. for charging accumulators or the like.
- the bodies are formed from permanent magnets, are for changing the
- Distance of the core of the ring provided at ends of the legs movable end portions.
- Changing the distance also makes it easier to access the ring during maintenance. Further, by changing the distance of the end portions from the ring (s), the decreased power can be changed.
- the core portions are rotatably and / or arranged linearly displaceable on the legs.
- a drive could be provided for movement of the ring, by means of which the ring for
- the drive is formed by at least one motor-driven wheel, which can be placed for pushing the ring on the ring and then removed again.
- the ring is guided parallel to the path along which the elements are moved, and the flow energy absorbed by the elements is transferred to the generator via the ring.
- the storage of the elements serving storage ring is provided concentrically to the ring of the transmission device.
- the elements can also be arranged on the two rings connecting storage sections.
- the core engages radially with respect to the ring over the ring and the core is disposed on a side of the ring facing away from the side where the elements are connected to the ring.
- the ring has a substantially flat shape and is mounted on rollers at its inner and / or outer edge, preferably at its lower and upper sides. It is expediently modularly formed from several parts that can be connected together. He can also save weight and
- Material be provided with recesses, which are preferably provided in the radial direction in the center of the ring.
- the elements and the transmission device are mounted separately from one another, wherein the transmission device is preferably mounted offset parallel to the web. In a particularly preferred embodiment of the invention is between the
- connection by means of which in the direction tangential to the web forces acting transferable and weakened at least in the other horizontal directions, possibly also in the other other directions, acting forces, possibly. are steamed by a spring.
- the connection can also be designed such that no forces are transmitted between the elements and the ring in the said tangential directions, which are not tangent to the track.
- Weight forces of the elements and horizontal forces caused by the flow are decoupled from the transmission device and possibly transmitted vibrations are transmitted to the ring in only a small amount.
- the device can also be even higher in comparison to the known devices Flow rates and are operated with larger ring diameters.
- the ring may further form a mechanical connection of the elements with each other. If one of the elements is in a position in which it is not driven by the flow, it is entrained on the one hand by means of the transmission device from the other elements, on the other hand, the elements are held by the ring from each other at a distance.
- connection of the elements to the ring is releasable, so that the ring completely decouple from the elements during its assembly or repair and can be coupled to him again.
- the ring or the elements is or are expediently provided with a coupling element which has a seat for a on a storage of
- the ring is suitably based on their length at the center of the
- connection can also be provided at other locations of the elements.
- the elements are mounted on a holding device which is arranged on an outer side and / or an inner side of the web in a development of the invention.
- the holding device which in a preferred embodiment of the invention has a framework-like shape, keeps the elements from an inside and / or outside of the web. It can be made more stable overall due to this measure. The device is thus suitable for receiving even larger flow energies.
- the ring and preferably the core is arranged on the holding device.
- at least one rail, on which the elements are held displaceably is provided on the holding device.
- the elements are then provided with running on the rail wheels.
- rollers may be arranged on the holding device, via which a bearing body connected to at least one element can be moved.
- the elements and / or the ring could alternatively be stored on water.
- the holding device expediently has a circular shape and is provided for stabilizing it with respect to the circular shape radially arranged and engaging on an inner side of the holding device holding elements, such as wire ropes or rods. While it would be conceivable to anchor the retaining elements in a substrate supporting the device, they are conveniently connected directly to each other in the center or near the center of the device. Advantageously can be stabilized in this way a plurality of superposed devices.
- the holding elements can also be provided on the outside of the holding device, these are expediently anchored in the ground.
- FIG. 1 a part of the device according to the invention according to FIG. 1 partially in section,
- FIG. 8 shows a part of the device according to the invention according to FIG. 1 in isometric view
- FIG. 8 shows a part of the device according to the invention according to FIG. 1 in isometric view
- FIG. 9 shows a section of the device according to the invention according to FIG. 1 in section
- FIG. 10 shows an alternative embodiment of the part shown in FIG. 9 in an isomerically fresh representation
- FIG. 1 1 shows a part of the device according to the invention according to FIG. 1 schematically in section
- Fig. 12 shows a part of the device according to the invention of FIG. 1 schematically in FIG
- FIG. 13 parts of a further embodiment of the device according to the invention according to Fig. 1 in different views.
- FIGS. 1 to 3 show a device 1 according to the invention which comprises a support frame 2 which has an inner support frame part 3 and an outer support frame part 4.
- the support frame parts 3,4 are arranged around a circular path 5, along the inflow surfaces having elements 6 are movably guided.
- a stabilization of the supporting frame 2 can be formed by steel cables, not shown here, which are guided radially outwardly from the supporting frame part 4 and fastened to a substrate.
- the elements 6 are movably mounted on the support frame 2 at its upper side 9, at its center 10 and at its lower side 1 1.
- the elements 6 are provided at their lower and their upper end with wheels 14 to 18, with which they can roll along the double rails 12 and 13, respectively. It is understood that the elements 6 need not be stored at their ends, but that an arrangement of the double rails 12,13 and the wheels 14 to 18 is also possible at a distance from the ends.
- the elements 6 are modularly constructed from a lower element part 19 and an upper element part 20.
- the lower element part 19 is at its lower end via a hinge joint 21 shown in FIG. 4, which rotates about a direction perpendicular to the direction of rotation. right axis of rotation permits, connected to a connecting piece 22 which is mounted on a chassis 24 via a pivot bearing 23.
- the chassis 24 is cushioned against the element part 19 by a provided in the pivot bearing 23 suspension 25 in the vertical direction.
- the wheels 14, 15 are rotatable about a horizontal axis of rotation and rest on both sides on a horizontal part of the double rail 12 formed as an angle part.
- the wheels 1 6 are rotatable about a vertical axis of rotation and lie from the inside to a vertical part of the double rail 12.
- Fig. 5 shows a chassis 26 through which the upper element part 20 is guided on the double rails 13.
- the chassis 26 is rotatably connected to the upper element part 20 via a pivot bearing 27 having the same construction as the pivot bearing 23 of the chassis 24, and a hinge joint 28 corresponding to the hinge joint 21. It has two wheels 17, which are rotatable via a horizontal axis of rotation, and four wheels 18, which are rotatable about a vertical axis of rotation and bear against the inside of the double rail 13.
- the element parts 19 and 20 are connected to one another at the middle of the elements 6 via bearing cylinders 29 and are mounted rotatably on a flat bearing part 30.
- the bearing cylinder 29 is screwed with screws to the bearing part 30 and forms a fixed part of a pivot bearing, with its rotatable part connecting parts 31 are connected.
- a gear 32 may be provided which, as shown in Fig. 10, cooperates with a further gear 33 which by means of a
- the Drive 34 is rotatable. By turning the gear 33, the position of the elements 6 on the bearing part 30 can be changed to adjust the position of the elements 6 to wind direction and strength.
- the bearing part 30 is arranged between a bearing ring 35 and a transmission ring 36, both of which also have a flat shape.
- the bearing ring 35 is mounted on rollers 37,38 on the outer support frame part 4, the transfer ungsring 36 to rollers 39,40 on the inner support frame part 3 slidably.
- a connecting member may be provided, which only forces in the transmission ring 36 tangential direction, that transmits in the direction of movement of the elements 6.
- the link is attached to either the bearing ring 35 or on the transfer ungsring 36 and slidably mounted on the respective other part in the direction perpendicular to the direction of movement of the elements 6, so that only forces in the direction of movement of the elements 6 are transferable.
- forces are then indeed received by the outer support frame part 4, on the Ü transfer ring 36 but not or only to a small extent transmitted.
- transfer ungsring 36 and the bearing ring 35 may be modular.
- FIGS. 11 and 12 Four generators 41, which are shown schematically in FIGS. 11 and 12 and in arrangement on the device 1 in FIG. 6, are also arranged in said support frame 2.
- Each generator 41 comprises an iron core 42, which has a substantially horseshoe-like shape with legs 43,44, between which the transmission ring 36 is movably guided, and on which a generator coil 48 is wound.
- the transfer ungsring 36 are inserted at a distance from each other flat, disc-shaped permanent magnets 45, as shown schematically in FIG. 12.
- the legs 43,44 of the core 42 with towards the ring or away from him displaceable end portions 46,47.
- the core 42 engages radially from the inside via the transmission ring 36.
- the elements 6 are rotated by the action of wind on the circular path 5.
- the elements 6 are always aligned by means of the control device 34 during its rotation on the circular path 5 to the wind so that the wind exerts a maximum force in the direction of rotation on the elements 6 or when the elements 6 are moved on the circular path 5 against the wind direction , exercises a minimal force.
- the weight of the elements 6 is transmitted to the support frame 2 mainly by means of the transmission ring 36 and the bearing ring 35 via the rollers 39, 37.
- the rollers 39,40 are provided to receive on the transfer ungsring 36 and the bearing ring 35 by the elements 6 applied forces and to keep the transmission ring 36 and the bearing ring 35 in its intended position.
- the wheels 14-18 at the lower and at the upper end of the elements 6 are provided to - both in the rotational direction and in the radial direction - horizontally on the elements 6 acting forces and transfer to the support frame 2. Furthermore, tensile forces can be absorbed, which occur when bending the elements under the action of the forces. If the elements 6 are driven by a flow, the
- Generator 41 induced a voltage so that electrical energy can be removed and, for. can be fed into a power grid.
- FIG. 13 where like or equivalent parts are designated by the same reference numerals as in FIGS. 11 and 12 and the respective reference numeral is accompanied by the letter a in each case.
- Fig. 13 shows a transfer ring 36 a and a generator 41 a, which may be provided as an alternative to the ring 36 and the generators 48 of FIGS. 1 1 and 12 in the device 1 of FIGS. 1 to 3.
- a transfer ungsring 36 a spaced from each other a plurality of blocks 45 a of iron are arranged.
- an iron core 42 a To the transfer ungsring 36 a engages an iron core 42 a, on which a generator coil 48 a and a field generating coil 49 are arranged.
- Iron core 42a has a horseshoe-like shape, wherein legs 43a, 44a are directed to the transfer ring 36a out.
- the core 42 a engages radially from the outside of the transmission ring 36 a forth on the transfer ring 36 a.
- generators 48a for example four as shown in FIG. 12, could be provided on the device.
- a device for determining the rotational speed of the transfer ring 36a can be provided.
- This can be formed for example by a wheel which is seated on the transfer ring 36a and whose rotational speed is determined.
- a light barrier directed at the blocks 45a, by means of which the frequency with which the blocks 45a are moved with the transferring ring 36a is determined.
- the functioning of the device provided with the generator 41 a according to FIG. 13 functions in principle as explained above for the device 1.
- a magnetic field is generated by the field generation coil 49, in which to the field generating coil 49, a DC voltage or a
- a voltage is applied to the field generation coil 49 to generate a magnetic field in the iron core 42a.
- the blocks 45a are guided on the ring 36a through the gap between the legs 43a, 44a, the permeability of the space penetrated by the magnetic field between the legs 43a, 44a changes, whereby the magnetic field is changed.
- the elements are allowed to start up in the device, initially no voltage is applied to the field generation coil 49 so that no magnetic field is generated and no startup forces generated by a magnetic field must be overcome during startup. On the other hand, to slow down the elements, the voltage can be increased.
- an AC voltage to the field generation coil 49.
- a control not shown, which is connected to said device for determining the rotational speed of the transmission ring 36a or the frequency of the blocks 45a, so that the frequency of the alternating voltage to the frequency with which the blocks 45a on the Iron core 42a are moved past, can be adjusted.
- the controller is configured to change the voltage to be applied to the field generation coil 16 such that the direction of the generated magnetic field is reversed for each body passing by the core.
- An even number of blocks 45a are provided on the ring 36a, so that the blocks are always magnetized in the same magnetic field direction when moving along the core.
- a sinusoidal and a rectangular AC voltage is shown, which can be applied to the field generation coil 49.
- the device according to the invention proves to be particularly advantageous if the control is intended to set the voltage to be applied to the field generation coil 49 such that a voltage of a desired shape, for example an at least approximately sinusoidal, triangular or rectangular voltage, can be induced in the generator coil 48a is. It is conceivable to arrange several of the apparatus shown in FIG. 1 and the device described above one another. In this way, a tower with several groups of rotating elements, facilities and corresponding
- a roofing and possibly a wind guide can be provided for the device.
- a cover can be provided with which individual groups of the elements can be completely closed towards the outside against the flow.
- blind-like covers can be provided with which can be prevented that the flow reaches the elements.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112013001499.8T DE112013001499A5 (en) | 2012-11-23 | 2013-11-25 | Device for the use of flow energy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012022908.9A DE102012022908A1 (en) | 2012-11-23 | 2012-11-23 | Device for the use of flow energy |
DE102012022908.9 | 2012-11-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014079417A1 true WO2014079417A1 (en) | 2014-05-30 |
Family
ID=49918341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2013/100395 WO2014079417A1 (en) | 2012-11-23 | 2013-11-25 | Device for harnessing flow energy |
Country Status (2)
Country | Link |
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DE (2) | DE102012022908A1 (en) |
WO (1) | WO2014079417A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3402035A1 (en) * | 1984-01-21 | 1985-07-25 | Uwe 2251 Schwabstedt Hansen | Rotor for converting natural wind energy into utilisable electrical energy |
WO1997014209A1 (en) * | 1995-10-09 | 1997-04-17 | Mnk Research And Software Pty. Ltd. | Electrical machines having compensated field reaction |
DE19908557A1 (en) * | 1998-03-03 | 1999-09-09 | Westerfeld | Electrical generator for use with wind turbine |
WO2007009462A2 (en) | 2005-07-15 | 2007-01-25 | Region Hovedstaden V/Glostrup Hospital | Treatment of migraine and headaches |
WO2007118462A1 (en) * | 2006-04-13 | 2007-10-25 | Konstantin Kelaiditis | Apparatus for use of flow energy |
US20110204638A1 (en) * | 2010-02-25 | 2011-08-25 | Stuart Lahtinen | Wind turbine with integrated rotor and generator assembly |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3810338A1 (en) * | 1988-03-26 | 1989-10-05 | Heidelberg Motor Gmbh | DEVICE FOR UTILIZING WIND ENERGY |
DE4232757A1 (en) * | 1992-09-26 | 1994-03-31 | Otto Gerd | Large-capacity wind energy converter - distributes mass loads from central shaft onto load ring, with rotor load conducted into load circuit |
US7550865B2 (en) * | 2006-06-27 | 2009-06-23 | Jonsson Stanley C | Wind turbine having variable pitch airfoils that close when moving against the direction of the wind |
DE102009025298A1 (en) * | 2009-06-15 | 2011-01-05 | Kelaiditis, Konstantin, Dr.-Ing. | Method for converting mechanical energy into electrical energy, involves inducing voltage into generator coils in magnetic field of magnets, and moving body with permeability of space, which is penetrated by field, into another space |
DE102009060437A1 (en) * | 2009-12-22 | 2011-06-30 | Konstantin Dr.-Ing. 66386 Kelaiditis | Device for the use of flow energy |
-
2012
- 2012-11-23 DE DE102012022908.9A patent/DE102012022908A1/en not_active Withdrawn
-
2013
- 2013-11-25 DE DE112013001499.8T patent/DE112013001499A5/en not_active Withdrawn
- 2013-11-25 WO PCT/DE2013/100395 patent/WO2014079417A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3402035A1 (en) * | 1984-01-21 | 1985-07-25 | Uwe 2251 Schwabstedt Hansen | Rotor for converting natural wind energy into utilisable electrical energy |
WO1997014209A1 (en) * | 1995-10-09 | 1997-04-17 | Mnk Research And Software Pty. Ltd. | Electrical machines having compensated field reaction |
DE19908557A1 (en) * | 1998-03-03 | 1999-09-09 | Westerfeld | Electrical generator for use with wind turbine |
WO2007009462A2 (en) | 2005-07-15 | 2007-01-25 | Region Hovedstaden V/Glostrup Hospital | Treatment of migraine and headaches |
WO2007118462A1 (en) * | 2006-04-13 | 2007-10-25 | Konstantin Kelaiditis | Apparatus for use of flow energy |
US20110204638A1 (en) * | 2010-02-25 | 2011-08-25 | Stuart Lahtinen | Wind turbine with integrated rotor and generator assembly |
Also Published As
Publication number | Publication date |
---|---|
DE112013001499A5 (en) | 2015-04-09 |
DE102012022908A1 (en) | 2014-06-12 |
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