EP3762604A1 - Windenergieanlage mit mehrstufigem magnetgetriebe - Google Patents
Windenergieanlage mit mehrstufigem magnetgetriebeInfo
- Publication number
- EP3762604A1 EP3762604A1 EP19710632.1A EP19710632A EP3762604A1 EP 3762604 A1 EP3762604 A1 EP 3762604A1 EP 19710632 A EP19710632 A EP 19710632A EP 3762604 A1 EP3762604 A1 EP 3762604A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gear
- stage
- magnetic
- wind energy
- energy plant
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 65
- 238000004804 winding Methods 0.000 claims description 10
- 239000012811 non-conductive material Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 238000013519 translation Methods 0.000 description 7
- 230000014616 translation Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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
- F03D15/00—Transmission of mechanical power
- F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
-
- 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
- F03D15/00—Transmission of mechanical power
-
- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/70—Bearing or lubricating arrangements
-
- 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
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with 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
- F05B2240/00—Components
- F05B2240/50—Bearings
-
- 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
- F05B2260/40—Transmission of power
- F05B2260/403—Transmission of power through the shape of the drive components
- F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
- F05B2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclic, planetary or differential type
-
- 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
- F05B2260/40—Transmission of power
- F05B2260/404—Transmission of power through magnetic drive coupling
-
- 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 wind energy plant, with a rotor blade hub, a generator, and a magnetic gear, which is connected on the drive side with the rotor blade hub and the output side with the generator.
- Such wind turbines with a magnetic transmission are known from the prior art.
- the generator can then be made smaller, lighter and thus more cost-effective.
- the invention has the object of developing a wind turbine of the type described in such a way that the disadvantages found in the prior art are largely eliminated.
- a wind turbine is to be specified, which has a possible wear and low maintenance transmission, which also allows higher output speeds and higher cost efficiency of a transmission-generator arrangement.
- the object is achieved in a wind turbine of the type mentioned above in that the magnetic transmission is designed as a multi-stage, in particular two-stage magnetic transmission.
- the magnetic gear is preferably connected on the output side rotationally fixed to the generator, d. H. either rigid or by means of an elastic coupling.
- the invention makes use of the finding that a multi-stage magnetic transmission in comparison to a single-stage magnetic transmission allows higher transmission ratios and at the same time still has compact outer dimensions.
- the generator of a wind turbine can thus be operated at higher drive speeds. This has the consequence that generators can be designed lighter and more compact, without this having negative consequences for the efficiency of the wind turbine with it.
- the proposed multi-stage magnetic transmission is largely wear-free, low maintenance and reliable.
- the magnetic transmission is preferably designed as a two-stage magnetic transmission.
- the design of the transmission as a two-stage transmission has proven to be a good compromise with respect to a sufficient flexibility with regard to the ratio to be realized by the transmission and the mechanical complexity.
- the first gear stage of the magnetic transmission has a ring gear, a modulator and a sun gear.
- the first gear stage of the magnetic transmission is designed as a stand-alone transmission, in which the ring gear is rotatably mounted and connected to the rotor blade hub, and the modulator is fixed.
- the ring gear of the first gear stage with the drive - that is connected to the rotor blade hub.
- the first gear stage of the magnetic transmission is designed as Umlaufradgetriebe, in which the ring gear is fixed, and the modulator rotatably mounted and connected to the rotor blade hub.
- the rotor blade hub is rotatably connected to the modulator, wherein the ring gear is fixed.
- the invention is further developed in that the sun gear is rotatably mounted.
- the sun gear is rotatably mounted, regardless of whether the first gear stage of the magnetic transmission is designed as a stationary gear or a planetary gear.
- the sun gear thus represents the output side of the first gear stage.
- the second gear stage of the magnetic gear has a ring gear and a modulator.
- the second gear stage of the magnetic transmission is designed as a standstill gear in which the ring gear is rotatably mounted and connected to the sun gear of the first gear stage, and the modulator is fixed.
- the ring gear of the second gear stage is coupled on the drive side with the output-side ring gear of the first gear stage.
- the first gear stage of the magnetic transmission is formed as Umlaufradgetriebe, wherein the ring gear is fixed, the modulator rotatably mounted and connected to the sun gear of the first gear stage.
- the output side sun gear of the first gear stage is coupled to the drive side of the second gear stage such that the sun gear of the first gear stage is rotatably connected to the modulator of the second gear stage.
- the second gear stage of the magnetic transmission preferably has a sun gear.
- the sun gear forms the output side of the second gear stage.
- the sun gear has a higher rotational speed than the ring gear, or the modulator, wherein the sun gear is preferably rotatably mounted.
- the hub speed is translated by means of the two-stage magnetic transmission in a higher speed, which finally rests on the output side sun gear of the second gear stage.
- the generator has a rotor and a stator, wherein the rotor of the generator is connected to the sun gear of the second gear stage. It is preferred that the translations of the first gear stage and in the second gear stage are adapted so that the generator can be designed as compact as possible, depending on the hub speed and light, compared with the use of a single-stage gearbox comparable efficiency.
- the generator is structurally integrated at least partially in the second gear stage of the magnetic transmission.
- the second gear stage preferably has only on the drive side a rotatable ring gear or a rotatable modulator, wherein all other components are formed immovable relative to each other and to the axle journal or machine carrier.
- the second gear stage realized so no longer a mechanical translation of the drive side to the output side, but rather a magnetic translation. As part of this magnetic translation, a fast rotating field is generated, which induces an electric current in the generator stator.
- the generator stator to a winding, which is designed as a homopolar rotary field winding.
- a winding or type of winding has been found to be particularly advantageous with regard to the energy yield of such a generator or generator stator.
- the generator stator is arranged adjacent to the modulator of the second gear stage, and / or the generator stator and the modulator are arranged coaxially with one another. It is preferred that an air gap remains between the individual components.
- the magnetic gear and / or the generator is mounted by means of a main bearing or by means of two bearings on a journal.
- the main bearing is designed as a rolling bearing or sliding bearing.
- the main bearing thus carries the mass of the magnetic gear and / or the generator, or the magnetic gear-generator combination.
- the journal may be formed one or more parts.
- the magnetic transmission is supported by means of an elastic support on the axle journal or on the machine carrier.
- the elastic support is preferably designed adjustable and particularly preferably has at least one elastomeric torque arm. In this way, the gear torque can be supported and reduce or dampen the restoring forces acting on the axle journal or the machine carrier. Furthermore, acoustic advantages can be realized.
- the ring gear and / or the sun gear of the first and / or second gear stage magnets are further arranged so that they form magnetic pole pairs in operation.
- the magnets are designed as permanent magnets.
- the magnets are designed as externally excited magnets. Due to the configuration and number of magnets can advantageously influence the transmission ratio of the relevant magnetic gear stages as desired.
- the ring gear, the sun gear and the modulator of the first and / or second gear stage are arranged coaxially with each other. Such a design has proven to be particularly space-saving.
- the number of mag netpol pairs of the sun gear of the first stage is not equal to the number of Mag netpol couples of
- Sun gear of the second stage and / or the number of magnetic pole pairs of the sun gear of the first stage is not an integer multiple of the number of
- the number of Mag netpol pairs of the ring gear of the first stage is not equal to the number of Mag netpol pairs of the ring gear of the second stage and / or the number of
- Magnetpol pairs of the ring gear of the first stage may not be an integer multiple of the number of magnetic pole pairs of the ring gear of the second stage.
- the number of magnetic pole pairs of the ring gear of the first and / or second stage is not equal to the number of magnetic pole pairs of the sun gear of the first and / or second stage and / or the number of magnetic pole pairs of the ring gear of the first and / or second stage is not an integer multiple of the number of magnetic pole pairs of the sun gear of the first and / or second stage.
- the occurrence of cogging torque is avoided within the respective gear stages.
- an air gap or a magnetically non-conductive material is arranged between the modulator and the ring gear and / or the sun gear of the first and / or second gear stage.
- the efficiency The magnetic transmission can be optimized by a targeted dimensioning of the air gap or the magnetically non-conductive material.
- the invention has been described above with reference to a wind turbine.
- the invention relates to a magnetic transmission for a wind turbine.
- the invention solves the above-described object with respect to the magnetic transmission by the magnetic transmission is designed as a multi-stage, in particular two-stage magnetic transmission.
- the magnetic transmission makes use of the same advantages and preferred embodiments as the wind energy installation according to the invention. In this regard, reference is made to the above statements and their contents are hereby incorporated.
- FIG. 1 shows a wind energy plant according to the invention in a perspective view
- FIG. 2 shows the embodiment of the wind energy installation according to the invention according to FIG. 1 in a sectional view
- FIG 3 shows the embodiment of a wind turbine according to the invention according to the figures 1 to 2 in a perspective view.
- FIG. 4 shows a second embodiment of a wind turbine according to the invention in a sectional view
- FIG. 5 shows a third exemplary embodiment of a wind energy plant according to the invention in a sectional view
- 6 shows a fourth exemplary embodiment of a wind energy plant according to the invention in a sectional view
- Fig. 7 shows the embodiment of a wind turbine according to the invention according to the figures 1 to 3 with a generator integrated into the second gear stage
- FIG. 8 shows an inventive magnetic transmission in a sectional view.
- FIG. 1 shows a wind power plant 100 with a tower 102 and a nacelle 104.
- a rotor 106 is arranged on the nacelle 104.
- the rotor 106 has three rotor blades 108, which are connected to a spinner 110.
- the rotor 106 is set in rotation by the wind in operation and thereby drives a generator (see the following figure) in the nacelle 104, which converts the rotational energy of the rotor 106 into electrical current.
- FIG. 2 shows a nacelle 104 which has an axle journal 114 on which a rotor hub 112 is mounted by means of a main bearing 116.
- the rotor blade hub 112 is connected via a rotating gear bridge 136 with a ring gear of a first gear stage 124 of a magnetic gear 118.
- a modulator of the first gear stage 126 is arranged.
- the modulator 126 is arranged in a stationary manner relative to the axle journal 114 by means of the stationary gear web 138. Adjacent to the modulator of the first gear stage 126, the rotatably mounted sun gear of the first gear stage 128 is arranged.
- the first gear stage is thus formed by the ring gear 124, the modulator 126, and the sun gear 128.
- a speed ratio takes place to the effect that the sun gear of the first gear stage 128 rotates faster on the output side than the ring gear 124 on the drive side.
- the sun gear of the first gear stage 128 is connected by means of a coupling portion 148 to a ring gear of a second gear stage.
- the ring gear of the second gear stage 130 is driven by the coupling portion 148 through the sun gear of the first gear stage.
- Adjacent to the ring gear of the second gear stage 130 a modulator of the second gear stage 132 is arranged. This is immovable relative to the axle journal 114 by means of the stationary gear web 138.
- Adjacent to the modulator of the second gear stage 132 is a sun gear of the second gear stage 134.
- This sun gear of the second gear stage 134 forms the output side of the second gear stage and the magnetic gear 118 a total of.
- the sun gear of the second gear stage 134 is connected via a generator shaft 146 to a generator rotor 142 of a generator 120.
- the generator 120 has a generator stator 140.
- the arrangement of magnetic gear 118 and generator 120 is supported by the main bearing 116 relative to the journal 114 by means of a support 122.
- the first gear stage is formed by the ring gear 124, the modulator 126 and the sun gear 128 is formed as a stationary transmission.
- the second gear stage with the ring gear 130, the modulator 132 and the sun gear 134 is formed as a stationary transmission. Both the modulator of the first gear stage 126 and the modulator of the second gear stage 132 are arranged immovable relative to each other and to the axle journal 114. An enlarged view of the magnetic gear 118 is additionally shown in FIG.
- FIG. 4 shows an alternative embodiment of a magnetic transmission 218.
- the magnetic transmission 218 has a first gear stage with a ring gear 224, a modulator 226 and a sun gear 228.
- the first gear stage of the magnetic transmission 218 is formed as a planetary gear in which the ring gear of the first gear stage 224 immovable relative to the journal (not shown) and the modulator 232 of the second gear stage is arranged Modulator 226, however, rotatable.
- the sun gear of the first gear stage 228 is also rotatably mounted and connected via the coupling portion 248 with the ring gear of the second gear stage 230th
- the second gear stage with the ring gear 230, the modulator 232 and the sun gear 234 is formed as a stand gear as in the embodiment of Figures 1 to 3, wherein the modulator 232 immovable relative to the journal (not shown) and the ring gear of the first gear 224 arranged is and the ring gear 230 and the sun gear 234 are rotatably mounted.
- the sun gear of the second gear stage 234 is connected via the generator shaft 246 to the generator 220 or to the generator rotor 242.
- the generator stator 240 is immovable and stationary.
- a third alternative embodiment of a magnetic transmission 318 is shown in FIG.
- the first gear stage is formed by the ring gear 324, the modulator 326 and the sun gear 328 analogous to the embodiment of Figures 1 to 3 formed as a stand-alone transmission, wherein the modulator 326 immovable relative to the gear web 338 and the journal (not shown) is arranged, the ring gear 324 and the sun gear 328, however, rotatable.
- the sun gear of the first gear stage 328 is now coupled by means of the coupling section 348 to the modulator 232 of the second gear stage.
- the ring gear of the second gear stage is immovable relative to the journal (not shown) and the modulator 326 of the first gear stage arranged.
- the sun gear of the second gear stage 334 is rotatably arranged and connected via the generator shaft 346 to the rotor 342 of the generator 320.
- a fourth alternative embodiment of a magnetic transmission 418 is shown in FIG.
- the modulator of the first gear stage 426 is rotatably mounted and driven.
- the ring gear of the first gear 424 is immovable relative to the journal (not shown) and the ring gear 430 of the second gear stage arranged.
- the sun gear of the first gear stage 428 is rotatably mounted and connected by means of the coupling portion 448 with the modulator of the second gear stage 432.
- the ring gear of the second gear stage is immovably arranged relative to the ring gear 424 of the first gear stage.
- the sun gear of the second gear stage is rotatably mounted and connected to the rotor 442 of the generator 420.
- Figure 7 shows a nacelle 104 of Figure 2, but with the original sun gear of the second gear stage has now been replaced by a generator stator 154.
- This generator stator 154 is immovable relative to the journal 1 14 and the modulator 126 of the 1st gear stage and has a stator winding 152 on.
- the second gear stage formed from the ring gear 130, the modulator 132 and the stator 152 thus realized no longer a mechanical translation but a magnetic translation generating a fast rotating field, which induces an electric current in the generator stator 154 and in its windings 152.
- the schematic structure of a magnetic gear 1 18 is shown in an alternative sectional view in Figure 8.
- the magnetic gear 1 18 has the ring gear of the first gear stage 124, wherein on the ring gear 124 magnets 156 are arranged. Adjacent to the ring gear of the first gear stage 124, the modulator of the first gear stage 126 is arranged coaxially. On the sun gear of the first gear 128th In turn, magnets 156 are arranged. By the modulation of the magnetic fields of the magnets 156 in conjunction with the modulator 126, a magnetic translation between the drive side of the first gear stage (ring gear 124) and the output side of the first gear stage (sun gear 128). The same applies analogously to the second gear stage formed from the ring gear 130, the modulator 132 and the sun gear 134th
- Gear stage 324 Ring gear 1. Gear stage 326 Modulator 1. Gear stage 328 Sun gear 1. Gear stage
Landscapes
- Engineering & Computer Science (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)
- Retarders (AREA)
- Wind Motors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018105404.1A DE102018105404A1 (de) | 2018-03-08 | 2018-03-08 | Windenergieanlage mit mehrstufigem Magnetgetriebe |
PCT/EP2019/055551 WO2019170733A1 (de) | 2018-03-08 | 2019-03-06 | Windenergieanlage mit mehrstufigem magnetgetriebe |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3762604A1 true EP3762604A1 (de) | 2021-01-13 |
Family
ID=65763428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19710632.1A Pending EP3762604A1 (de) | 2018-03-08 | 2019-03-06 | Windenergieanlage mit mehrstufigem magnetgetriebe |
Country Status (5)
Country | Link |
---|---|
US (1) | US11346326B2 (de) |
EP (1) | EP3762604A1 (de) |
CN (1) | CN111819361B (de) |
DE (1) | DE102018105404A1 (de) |
WO (1) | WO2019170733A1 (de) |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI64960C (fi) | 1982-10-08 | 1984-02-10 | Tamfelt Oy Ab | Transportfilt foer papperstillverkning och foerfarande foer des tillverkning |
DE3246122A1 (de) * | 1982-12-13 | 1984-06-14 | Heinz 4350 Recklinghausen Schiweck | Magnetgetriebe |
ATE419671T1 (de) * | 2006-07-31 | 2009-01-15 | Fiat Ricerche | Durch eine fluidströmung betätigbarer elektrischer generator |
GB0813173D0 (en) * | 2008-02-21 | 2008-08-27 | Magnomatics Ltd | Wind turbine power train |
EP2161821B1 (de) * | 2008-09-03 | 2020-06-17 | General Electric Company | Magnetisch angetriebener Generator |
US8247942B2 (en) * | 2010-06-21 | 2012-08-21 | Ut-Batelle, Llc | Multi-winding homopolar electric machine |
US8067847B1 (en) * | 2010-12-16 | 2011-11-29 | General Electric Company | Variable speed machine assembly and method for making the same |
GB201113694D0 (en) * | 2011-08-09 | 2011-09-21 | Univ Southampton | Turbine generator |
US8901761B2 (en) * | 2012-02-09 | 2014-12-02 | General Electric Company | Variable speed electric machine and method for generating electric energy |
CA2865906A1 (en) * | 2012-03-02 | 2013-09-06 | National Oilwell Varco, L.P. | Magnetic gears, and related systems and methods |
AU2016222256A1 (en) | 2015-02-17 | 2017-08-31 | Advanced Hybrid Pty Ltd | Constantly variable transmission device |
DE102015221894A1 (de) | 2015-11-06 | 2017-05-11 | Zf Friedrichshafen Ag | Drehschwingungsdämpfungsanordnung für den Antriebsstrang eines Fahrzeugs |
DE102015221984A1 (de) | 2015-11-09 | 2017-05-11 | Carl Zeiss Smt Gmbh | Abbildende Optik zur Abbildung eines Objektfeldes in ein Bildfeld sowie Projektionsbelichtungsanlage mit einer derartigen abbildenden Optik |
DE102016216458A1 (de) * | 2016-08-31 | 2018-03-01 | Wobben Properties Gmbh | Rotorblattnabe für eine Windenergieanlage, und Windenergieanlage mit selbiger |
-
2018
- 2018-03-08 DE DE102018105404.1A patent/DE102018105404A1/de active Pending
-
2019
- 2019-03-06 CN CN201980017728.6A patent/CN111819361B/zh active Active
- 2019-03-06 EP EP19710632.1A patent/EP3762604A1/de active Pending
- 2019-03-06 WO PCT/EP2019/055551 patent/WO2019170733A1/de unknown
- 2019-03-06 US US16/978,510 patent/US11346326B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US11346326B2 (en) | 2022-05-31 |
DE102018105404A1 (de) | 2019-09-12 |
US20200400126A1 (en) | 2020-12-24 |
WO2019170733A1 (de) | 2019-09-12 |
CN111819361A (zh) | 2020-10-23 |
CN111819361B (zh) | 2023-08-01 |
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