WO2004017497A1 - Generator für den einsatz bei windkraftanlagen oder wasserkrafträdern - Google Patents
Generator für den einsatz bei windkraftanlagen oder wasserkrafträdern Download PDFInfo
- Publication number
- WO2004017497A1 WO2004017497A1 PCT/DE2003/001651 DE0301651W WO2004017497A1 WO 2004017497 A1 WO2004017497 A1 WO 2004017497A1 DE 0301651 W DE0301651 W DE 0301651W WO 2004017497 A1 WO2004017497 A1 WO 2004017497A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- generator
- generator according
- rotor
- magnets
- circular ring
- 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
Links
Classifications
-
- 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
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
-
- 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
- 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
- F05B2210/00—Working fluid
- F05B2210/16—Air or water being indistinctly used as working fluid, i.e. the machine can work equally with air or water without any modification
-
- 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
- F05B2240/40—Use of a multiplicity of similar components
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/12—Machines characterised by the modularity of some components
-
- 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
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
-
- 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
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
- H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
-
- 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
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
- H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
- H02K7/1838—Generators mounted in a nacelle or similar structure of a horizontal axis wind 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Definitions
- the invention relates to a generator, in particular for use in wind turbines or low-speed watercraft, consisting of at least one stator housing with wound toroidal cores and at least one rotor disk fitted with magnets on a drive shaft.
- Wind turbines are becoming more and more popular for the generation of commercial electricity or, where appropriate, for the self-supply of companies, since these enable inexpensive electricity generation.
- the wind turbines generally consist of a housing which can be pivoted through 360 ° and which is provided for receiving and mounting a rotor and is arranged on a mast.
- the rotor is coupled to a gearbox or directly to a generator via a drive shaft. Because of the low rotor speeds, a gearbox is preferably used in order to obtain a higher output speed for driving the generator.
- a permanent magnet-excited wind power generator is known from German Offenlegungsschrift 44 37 972, for outputs from 500 to 1000 kW, which is designed to be gearless and works with a static converter, the generator shaft serving as a shaft for the wind power rotor and the rotor being a linear Width ⁇ ratio greater than 1.
- the standard design of the generator improves the efficiency while taking into account the usual ones Housing dimensions of a wind turbine are not possible because the generator is not optimized to improve performance and efficiency.
- the invention has for its object to improve a generic generator in such a way that a higher efficiency can be achieved and a larger power range is possible.
- the corresponding magnets and wound ring cores are each arranged in the axial direction lying on a circular ring, the mean radius of which is kept approximately the same.
- an arrangement of magnets, in particular permanent magnets is selected in the radial direction with respect to the wound toroidal cores.
- the present invention shows a constructive solution in which the magnets and wound toroidal cores are advantageously arranged lying in the axial direction. Both the permanent magnets and the ring cores are arranged on a circular ring, the mean radius of which is kept approximately the same in order to achieve good efficiency without magnetic losses.
- This positional arrangement of the toroidal cores and magnets relative to one another, specifically in the form of a disc rotor, means that the individual toroidal cores and their coils can be adapted to the respective requirements without any problems, and there is also the possibility of adapting the permanent magnets.
- Each two rotor discs and the centrally disposed between the rotor disks toroids form a generator assembly, can be formed on the existing drive shaft of the 'plurality of such rotor generator assemblies in an advantageous manner.
- the neighboring generator arrangements can in principle have the same, but also different average radii and thus an aerodynamic shape of the housing can be selected.
- the size of the wind turbine and thus that of the generator can be varied in accordance with the size of the rotor blade and the intended location, which size is possible, for example, by simply changing the mean radius of the winding arrangement and the rotor disks of the generator.
- the performance of the generator is less dependent on its diameter, since an elongated design can be advantageously chosen for larger, powerful generators. In this way, particularly at low speeds, higher power and improved efficiency are obtained with multi-pole and multi-phase ring generators.
- Another particular advantage of the generator according to the invention is that it does not have a cogging torque, as is the case, for example, with conventional permanent magnet generators. For this reason, the rotor blade can already be put into operation by low wind speeds due to the lack of cogging torque.
- the generator according to the invention is an intermediate stand version, with an iron stator and several ring windings.
- the inductor has two iron disks, which are equipped with rare earth magnets neodymium according to the selected number of poles. The magnetization is directed axially with alternating polarity. Because the gearbox is not used, the generator has a high number of poles and is designed as a disc rotor machine.
- the magnetic flux starts from a first magnet in the axial direction through the air gap to the wound toroid and then in the tangential direction through this through the further air gap in the opposite magnet and is closed via the rotor disc as iron backflow.
- the disc rotor generator according to the invention thus has an axial field profile in the air gap, compared to a conventional radial field profile in the air gap, the ring windings being provided with single-pole dynamo plate packs for accommodating three coils or, if appropriate, for one coil.
- the magnets consist of individual, spaced-apart circular ring segments, which are subdivided according to the desired number of poles and are alternately assembled into a circular ring on the rotor disk.
- the arrangement of the magnets on the rotor disk enables the number of poles to be adapted to the respective intended use and varied in sufficient form, so that generators designed for the special application can be manufactured inexpensively without major additional effort.
- the armature of the disc rotor generator consists of two iron discs, which are arranged on the right and left in front of the ring winding and are equipped with a corresponding number of rare earth magnets neodymium in order to achieve an optimal improvement in efficiency.
- the rotor disk is designed as an iron return disk in order to optimally influence the magnetic flux from the magnets via the ring windings.
- stator laminations with windings are accommodated coaxially in a stator housing and that the stator laminations are fastened in the stator housing by means of radially aligned screw bolts.
- the individual stator laminations with windings are arranged in a ring within the stator housing and screwed to the stator housing, whereby the modular design of the stator laminations means that individual ' stator laminations with windings can be exchanged quickly in the event of a technical defect.
- the stator laminations are subdivided into individual interchangeable circular ring segments which, as said, are fastened next to one another in a ring shape within the stator housing.
- the circular ring segments have chambers for one or three windings accordingly a single-phase or three-phase generator. It is particularly advantageous in the constructive design of the generator that the circular ring segments can be varied in width and height as well as their mean radius in accordance with the selected number of poles and can thus be optimally designed using the available installation space within the stator housing. This means, for example, that while maintaining an outer diameter, which is generally predetermined by the shape of the housing of the wind turbine, any number of poles and winding arrangement can be selected to achieve high performance. Magnetization takes place in the axial direction with alternating polarity.
- the design of a generator according to the invention is therefore particularly suitable for wind turbines and watercraft, since it does not require a gearbox and can also be used at low speed due to the multi-pole design.
- An increase in performance can be achieved by simply replacing individual ring windings and disc rotors.
- the manufacturing costs are significantly reduced and the efficiency is improved, the individual sheet packs being individually replaceable, in particular due to the structural design, and the costs in a repair event are thus considerably reduced.
- the lack of cogging torque is particularly worth mentioning, so that the wind turbines can be started even at low wind speeds.
- FIG. 3 is a sectional side view of the stator housing with wound toroidal cores
- Fig. 4 is a perspective view of a single laminated core with coil winding for receiving in the stator and
- FIG. 5 is a perspective view of a further laminated core for accommodating three coil windings.
- FIG. 1 shows a generator 1 according to the invention. a sectional side view, consisting of a plurality of rotor disks 2, which are held in a rotationally fixed manner on a drive shaft 3 and ring cores 4, which are accommodated together with the drive shaft 3 and the rotor disks 2 in a generator housing 5.
- the drive shaft 3 is supported relative to the generator housing 5 via corresponding bearings, not shown, and is connected at one end directly to the rotor of the wind power plant which drives it and is not shown, while the opposite end of the drive shaft 5 protrudes as a stub shaft.
- the generator housing 5 is shown in the form of a ring with a constant diameter, but there is the possibility that different designs are used.
- the individual ring cores 4 consist of circular ring segments, as can be seen particularly in FIG. 3, which are joined to one another in a ring and screwed to the generator housing 5 by means of screw bolts 6, so that individual circular ring segments can be replaced at any time.
- Circumferentially distributed magnets 7, in particular permanent magnets, are fastened on the rotor disks 2, specifically in such a way that the mean radius is approximately identical to that of the ring cores 4.
- a total of 5 rotor disks 2 have been used, but there is the possibility that the number may be reduced or possibly increased depending on the overall length of the generator housing 5.
- the magnets 7 of a rotor disk 2 are each fastened to their radial surfaces 8, 9, so that the entire generator 1 is designed as a disk rotor generator and the magnets 7 with their radial surfaces 10 lie opposite the radial surfaces 11 of the ring cores 4 with a sufficient air gap 12.
- the magnetic flux of the invention Generator 1 thus runs between the magnets 7 and toroidal cores 4 in the axial direction, with iron inference taking place via the rotor disks 2 designed as iron disks.
- the individual magnets 7 on both sides of the rotor disk are arranged with alternating polarity.
- FIG. 2 shows a side view of a single rotor disk 2 with a plurality of magnets 7 distributed around the circumference, which also have an alternating polarity with respect to one another.
- the rotor disk 2 is fastened in a rotationally fixed manner on a drive shaft 3 for the drive by the rotor blade (not shown).
- the individual magnets 7 are fastened at a distance from one another on the rotor disk 2 and have an average radius which largely corresponds to the radius of the windings within the generator housing 5.
- Permanent magnets made of rare earth magnets neodymium are preferably used as the material. In the exemplary embodiment shown, it is a six-pole rotor disk 2.
- the magnets 7 can be attached to the rotor disks 2 in a particularly simple and easy-to-assemble manner, which in addition are easily attached to the drive shaft 3 during assembly of the generator 1 and are designed to be easily replaceable.
- the generator 1 can thus be advantageously adapted to the requirement.
- FIG. 3 shows a sectional side view of a generator housing 5 with coaxial internal ring cores 4, which in the exemplary embodiment shown consist of ring core segments and each carry 3 windings 13, 14, 15.
- the generator 1 shown is thus provided as a three-phase generator, but there is no problem in producing a single-phase generator of the same type.
- the individual toroidal segments are fastened through existing bores 16 of the generator housing 5 by means of screw bolts 17 which are screwed into a threaded bore 18 of the toroidal cores 4. This makes it possible in the simplest way to replace an individual toroidal segment in the event of a technical defect.
- the ring cores 4 taking into account the resulting magnetic forces securely held within the generator housing 5.
- FIG. 4 shows in a perspective view, for example, an individual toroidal core 4, which consists of dynamo-electric sheets and is joined to form a sheet stack, which is H-shaped and has an upper and lower recess 20 for receiving the windings 21.
- a sheet stack which is H-shaped and has an upper and lower recess 20 for receiving the windings 21.
- threaded bores 18 are provided, into which the screw bolts 17 are screwed for fastening to the generator housing 5.
- a large number of these ring cores are assembled into a circle and fastened within the generator housing 5, as can be seen in FIG. 3.
- FIG. 5 also shows a toroidal core segment 23 in a perspective view, which, however, has a total of six recesses 24 for receiving the windings and is therefore provided for a three-phase generator.
- the circular ring segment 23 also consists of a large number of individual dynamo electric sheets which are joined to form a sheet stack. Due to the size of the circular ring segment 23, this is more rounded in the outer region and is therefore adapted to the inner diameter of the generator housing 5.
- the circular ring segments 23 also have threaded bores 18 in their end faces 25, into which the screw bolts 17 are screwed for fastening to the generator housing 5. The fastening and arrangement of the circular ring segment 23 within the generator housing 5 can be seen from FIG. 3.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2003285633A AU2003285633A1 (en) | 2002-07-26 | 2003-05-21 | Generator for use in wind turbines or water-powered wheels |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10234314 | 2002-07-26 | ||
| DE10234314.4 | 2002-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004017497A1 true WO2004017497A1 (de) | 2004-02-26 |
Family
ID=31724051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2003/001651 Ceased WO2004017497A1 (de) | 2002-07-26 | 2003-05-21 | Generator für den einsatz bei windkraftanlagen oder wasserkrafträdern |
Country Status (2)
| Country | Link |
|---|---|
| AU (1) | AU2003285633A1 (de) |
| WO (1) | WO2004017497A1 (de) |
Cited By (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7205678B2 (en) | 2001-09-13 | 2007-04-17 | Matteo Casazza | Wind power generator |
| WO2007107399A1 (de) * | 2006-03-22 | 2007-09-27 | Siemens Aktiengesellschaft | Elektrische maschine insbesondere ein generator |
| WO2007107416A1 (de) * | 2006-03-22 | 2007-09-27 | Siemens Aktiengesellschaft | Druckmaschine bzw. elektrische maschine für eine druckmaschine |
| WO2009130273A1 (de) * | 2008-04-25 | 2009-10-29 | Venco Power Gmbh | Generatoreinrichtung mit überwachung von strompfaden |
| US7808149B2 (en) | 2004-09-20 | 2010-10-05 | Wilic S.Ar.L. | Generator/electric motor, in particular for wind power plants, cable controlled plants or for hydraulic plants |
| GB2469483A (en) * | 2009-04-15 | 2010-10-20 | John David Clifford | Vertical Axis Wind Turbine |
| EP2190107A4 (de) * | 2007-09-14 | 2011-02-02 | Shinetsu Chemical Co | Permanentmagnet für drehmaschine |
| US7936102B2 (en) | 2005-11-29 | 2011-05-03 | Wilic S.Ar.L | Magnet holder for permanent magnet rotors of rotating machines |
| US7944076B2 (en) * | 2007-11-26 | 2011-05-17 | Siemens Aktiengesellschaft | Direct drive generator and wind turbine |
| US7946591B2 (en) | 2005-09-21 | 2011-05-24 | Wilic S.Ar.L. | Combined labyrinth seal and screw-type gasket bearing sealing arrangement |
| US8120198B2 (en) | 2008-07-23 | 2012-02-21 | Wilic S.Ar.L. | Wind power turbine |
| DE102010060482A1 (de) * | 2010-11-10 | 2012-05-10 | Steffen Söhner Gmbh | Elektrischer Scheibenläufermotor und Elektrofahrrad oder Pedelec mit einem Scheibenläufermotor |
| US8274170B2 (en) | 2009-04-09 | 2012-09-25 | Willic S.A.R.L. | Wind power turbine including a cable bundle guide device |
| US8310122B2 (en) | 2005-11-29 | 2012-11-13 | Wilic S.A.R.L. | Core plate stack assembly for permanent magnet rotor or rotating machines |
| US8319362B2 (en) | 2008-11-12 | 2012-11-27 | Wilic S.Ar.L. | Wind power turbine with a cooling system |
| US8358189B2 (en) | 2009-08-07 | 2013-01-22 | Willic S.Ar.L. | Method and apparatus for activating an electric machine, and electric machine |
| US8410623B2 (en) | 2009-06-10 | 2013-04-02 | Wilic S. AR. L. | Wind power electricity generating system and relative control method |
| US8492919B2 (en) | 2008-06-19 | 2013-07-23 | Wilic S.Ar.L. | Wind power generator equipped with a cooling system |
| US8541902B2 (en) | 2010-02-04 | 2013-09-24 | Wilic S.Ar.L. | Wind power turbine electric generator cooling system and method and wind power turbine comprising such a cooling system |
| US8618689B2 (en) | 2009-11-23 | 2013-12-31 | Wilic S.Ar.L. | Wind power turbine for generating electric energy |
| US8659867B2 (en) | 2009-04-29 | 2014-02-25 | Wilic S.A.R.L. | Wind power system for generating electric energy |
| US8669685B2 (en) | 2008-11-13 | 2014-03-11 | Wilic S.Ar.L. | Wind power turbine for producing electric energy |
| US8789274B2 (en) | 2010-09-23 | 2014-07-29 | Northern Power Systems, Inc. | Method and system for servicing a horizontal-axis wind power unit |
| US8816546B2 (en) | 2010-09-23 | 2014-08-26 | Northern Power Systems, Inc. | Electromagnetic rotary machines having modular active-coil portions and modules for such machines |
| US8912704B2 (en) | 2010-09-23 | 2014-12-16 | Northern Power Systems, Inc. | Sectionalized electromechanical machines having low torque ripple and low cogging torque characteristics |
| US8937397B2 (en) | 2010-03-30 | 2015-01-20 | Wilic S.A.R.L. | Wind power turbine and method of removing a bearing from a wind power turbine |
| US8937398B2 (en) | 2011-03-10 | 2015-01-20 | Wilic S.Ar.L. | Wind turbine rotary electric machine |
| US8957555B2 (en) | 2011-03-10 | 2015-02-17 | Wilic S.Ar.L. | Wind turbine rotary electric machine |
| US8975770B2 (en) | 2010-04-22 | 2015-03-10 | Wilic S.Ar.L. | Wind power turbine electric generator and wind power turbine equipped with an electric generator |
| US9006918B2 (en) | 2011-03-10 | 2015-04-14 | Wilic S.A.R.L. | Wind turbine |
| DK178214B1 (en) * | 2010-07-28 | 2015-08-31 | Gen Electric | A segmented rotor |
| US9281731B2 (en) | 2010-09-23 | 2016-03-08 | Northem Power Systems, Inc. | Method for maintaining a machine having a rotor and a stator |
| US9359994B2 (en) | 2010-09-23 | 2016-06-07 | Northern Power Systems, Inc. | Module-handling tool for installing/removing modules into/from an electromagnetic rotary machine having a modularized active portion |
| WO2017147565A2 (en) | 2016-02-26 | 2017-08-31 | Fait Mitchell | Energy conversion device |
| DE102019000724A1 (de) | 2019-01-30 | 2020-07-30 | Edna Evangelista Marques da Silva | Konstruktion, Aufbau, Applikationen und Steuerungsverfahren von elektrischen Maschinen, Verwendung von elektrisch erregten Sekundärteilen in Linearmotoren, Levitation, magnetische Lagerung und Aufbau von elektrischen Direktmaschinen |
| DE102021002106A1 (de) | 2021-04-21 | 2022-10-27 | Edna Evangelista Marques da Silva | Konstruktion und Aufbau von rotatorischen elektrischen Direktmaschinen mit Scheibenläufer und kreissegmentförmigen elektrischen Direktmaschinen zur Erhöhung der Leistungsdichte |
| WO2023006727A1 (en) * | 2021-07-30 | 2023-02-02 | Mag Soar Sl | Light and compact rotating electrical machine with minimum vibrations and intrinsic redution |
| FR3143899A1 (fr) * | 2022-12-20 | 2024-06-21 | Valeo Equipements Electriques Moteur | Stator pour machine électrique tournante à flux axial et machine électrique tournante |
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| EP0429729A1 (de) * | 1988-06-01 | 1991-06-05 | Pál Adám | Elektrische Maschinen mit einem einen Eisenkern aufweisenden Scheibenanker |
| US5334898A (en) * | 1991-09-30 | 1994-08-02 | Dymytro Skybyk | Polyphase brushless DC and AC synchronous machines |
| DE19525346A1 (de) * | 1995-07-12 | 1997-01-16 | Juergen Prof Dr Ing Meins | Ringkern-Synchronmaschine |
| US6147415A (en) * | 1997-05-26 | 2000-11-14 | Fukada; Mitsuhiro | Permanent magnetic generator |
| US6285090B1 (en) * | 1997-03-10 | 2001-09-04 | Jeumont Industrie | Low-speed directly driven wind turbine |
-
2003
- 2003-05-21 AU AU2003285633A patent/AU2003285633A1/en not_active Abandoned
- 2003-05-21 WO PCT/DE2003/001651 patent/WO2004017497A1/de not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3142913A1 (de) * | 1981-10-29 | 1983-05-11 | Herbert Prof. Dr.-Ing. 3300 Braunschweig Weh | Elektrische maschine mit ringwicklungsanker und permanenterregten rotoren" |
| EP0429729A1 (de) * | 1988-06-01 | 1991-06-05 | Pál Adám | Elektrische Maschinen mit einem einen Eisenkern aufweisenden Scheibenanker |
| US5334898A (en) * | 1991-09-30 | 1994-08-02 | Dymytro Skybyk | Polyphase brushless DC and AC synchronous machines |
| DE19525346A1 (de) * | 1995-07-12 | 1997-01-16 | Juergen Prof Dr Ing Meins | Ringkern-Synchronmaschine |
| US6285090B1 (en) * | 1997-03-10 | 2001-09-04 | Jeumont Industrie | Low-speed directly driven wind turbine |
| US6147415A (en) * | 1997-05-26 | 2000-11-14 | Fukada; Mitsuhiro | Permanent magnetic generator |
Cited By (55)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7385305B2 (en) | 2001-09-13 | 2008-06-10 | Matteo Casazza | Wind power generator and bearing structure therefor |
| US7205678B2 (en) | 2001-09-13 | 2007-04-17 | Matteo Casazza | Wind power generator |
| US7385306B2 (en) | 2001-09-13 | 2008-06-10 | Matteo Casazza | wind power generator including blade arrangement |
| US7808149B2 (en) | 2004-09-20 | 2010-10-05 | Wilic S.Ar.L. | Generator/electric motor, in particular for wind power plants, cable controlled plants or for hydraulic plants |
| EP2381561A2 (de) | 2004-09-20 | 2011-10-26 | Wilic S.Ar.L | Windkraftanlage mit einem Generator |
| US7946591B2 (en) | 2005-09-21 | 2011-05-24 | Wilic S.Ar.L. | Combined labyrinth seal and screw-type gasket bearing sealing arrangement |
| US8310122B2 (en) | 2005-11-29 | 2012-11-13 | Wilic S.A.R.L. | Core plate stack assembly for permanent magnet rotor or rotating machines |
| US7936102B2 (en) | 2005-11-29 | 2011-05-03 | Wilic S.Ar.L | Magnet holder for permanent magnet rotors of rotating machines |
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