WO2006053356A1 - Schwungrad für windkraftwerke - Google Patents
Schwungrad für windkraftwerke Download PDFInfo
- Publication number
- WO2006053356A1 WO2006053356A1 PCT/AT2005/000442 AT2005000442W WO2006053356A1 WO 2006053356 A1 WO2006053356 A1 WO 2006053356A1 AT 2005000442 W AT2005000442 W AT 2005000442W WO 2006053356 A1 WO2006053356 A1 WO 2006053356A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flywheel
- rotor
- recess
- periphery
- wind power
- Prior art date
Links
- 239000007788 liquid Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/30—Flywheels
- F16F15/31—Flywheels characterised by means for varying the moment of inertia
-
- 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
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/12—Combinations of wind motors with apparatus storing energy storing kinetic energy, e.g. using flywheels
-
- 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
- F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor the axis being vertical
-
- 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
-
- 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
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/13—Combinations of wind motors with apparatus storing energy storing gravitational potential energy
- F03D9/14—Combinations of wind motors with apparatus storing energy storing gravitational potential energy using liquids
-
- 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
- F05B2240/10—Stators
- F05B2240/13—Stators to collect or cause flow towards or away from turbines
-
- 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
-
- 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
- F05B2240/217—Rotors for wind turbines with vertical axis of the crossflow- or "Banki"- or "double action" 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
- 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
-
- 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
- F05B2250/24—Geometry three-dimensional ellipsoidal
-
- 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
- F05B2260/42—Storage of energy
- F05B2260/421—Storage of energy in the form of rotational kinetic energy, e.g. in flywheels
-
- 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
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Definitions
- the present invention relates to a flywheel for wind power plants, which is filled with a liquid which can flow due to the centrifugal force from the center to the periphery of the flywheel, wherein the flywheel form a flat Tel ⁇ lers with a recess in the center and an upwardly umge ⁇ has curved edge on the circumference.
- Such flywheels are e.g. from JP 61-149647 A or JP 59-1838 A known. At rest, the fluid is in the center of the flywheel. As a result, the rotational mass of the flywheel is low and it prevents slow startup of the rotor. In operation, the liquid flows due to the centrifugal force to the circumference of the flywheel, which increases the rotational inertial mass. The flywheel can thereby store more rotational energy and compensate for fluctuations in the revolutions of the rotor better.
- the known flywheel designs have a central container for the liquid, emanating from the hollow spokes to a circumferential hollow ring. This construction is complicated on the one hand and on the other hand requires continuous checking of the filling level and refilling of the liquid in order to ensure the flywheel effect in continuous operation.
- the invention has for its object to provide a flywheel of the type mentioned, which is particularly simple and allows a maintenance-free continuous use.
- the flywheel is at least partially exposed at its top to the outside to collect rainwater.
- the invention is based on the concept of an automatic refilling and level control of the flywheel by means of rainwater, which is collected by its exposed plate-shaped upper side and collected in the recess. Excess rainwater flows out through the upper edge of the rim as it rotates and any water that is caught is trapped Rainwater replaced.
- the flywheel is thus particularly suitable for use in wind power plants, which are exposed to the natural elements.
- a preferred embodiment of the invention is characterized in that the depression is trough-shaped with sloping flanks.
- the flanks prevent frost damage due to freezing water in winter, as they cause the glider to slide up
- the edge is provided on its inside with an elastic element, preferably an air-filled hose, in order to prevent frost damage during rotary operation.
- the recess has a closable Abllust ⁇ opening to allow emptying of the flywheel for repair and cleaning purposes.
- a further advantageous embodiment of the flywheel which is intended for a wind power plant with a rotor with a vertical shaft, is characterized in that the flywheel sits on the shaft of the rotor, preferably below the rotor.
- the flywheel sits on the shaft of the rotor, preferably below the rotor.
- FIG. 1 shows a wind power plant with a rotor and a flywheel according to the invention in a schematic seean ⁇ view
- Fig. 2 shows the flywheel of the wind power plant of Fig. 1 in axial section
- FIG. 3 shows a detail of the flywheel of FIG. 2.
- a wind power plant 1 has a blade rotor 2 with a vertical shaft 3 which drives a generator 4, 5 and is correspondingly rotatably mounted on the bottom 6.
- the generator 4, 5 comprises a friction wheel 4 driven by the shaft 3, which drives numerous individual generators 5 on its circumference.
- the blade rotor 2 is designed for a radial flow from the inside to the outside and is fed by a cowl 7, which in turn is rotatably mounted on the shaft 3 and aligned by means of a tail 8 to the wind, so that its inlet port 9 receives the wind and deflects toward the blade rotor 2.
- the blade rotor 2 is provided on its upper side with a Ab ⁇ cover shell 10 and on its underside with a flywheel 11, which is shown in more detail in Figs. 2 and 3.
- the flywheel 11 is in the form of a flat plate 12 having a recess 13 in the center and an upturned rim 14 at its periphery.
- the depression 13 is trough-shaped with sloping flanks and is filled with water at rest up to a level 15 (FIG. 1).
- the water flows radially outward into the region 16 within the bent rim 14.
- it flows radially outwardly beyond the edge 17 of the bent edge 14, so that during turning operation a "water ring" is present in the region 16 of the bent-over rim 14, which increases the rotational mass of the inertia of the flywheel 11.
- the edge 14 is provided on its inside with an elastic element 18, preferably an air-filled hose.
- the top of the plate 12 is at least partially exposed, u.zw. in the example shown in a region 19 which is not covered by the wind hood 7;
- the upper ⁇ bdeckschale 10 is broken over the area 19.
- rainwater is collected from the upper side of the plate 11 in order to counteract the evaporation of the water or to compensate for it.
- the depression 13 may have a closable discharge opening 20 at its lowest point in order to be able to drain the water for cleaning and maintenance purposes. Furthermore, a closable filling opening 21 can be seen above the depression 13, in order, for example, to be able to carry out a first filling of the flywheel 11 or refills, if the precipitation is not sufficient.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0194504A AT413742B (de) | 2004-11-19 | 2004-11-19 | Schwungrad für windkraftwerke |
ATA1945/2004 | 2004-11-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006053356A1 true WO2006053356A1 (de) | 2006-05-26 |
Family
ID=34916851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2005/000442 WO2006053356A1 (de) | 2004-11-19 | 2005-11-08 | Schwungrad für windkraftwerke |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT413742B (de) |
WO (1) | WO2006053356A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2128439A1 (de) | 2008-05-27 | 2009-12-02 | Syneola SA | Intelligentes dezentralisiertes elektrisches Stromerzeugungssystem |
US10788011B2 (en) | 2018-10-31 | 2020-09-29 | Loubert S. Suddaby | Wave energy capture device and energy storage system utilizing a variable mass, variable radius concentric ring flywheel |
US10837420B2 (en) | 2018-10-31 | 2020-11-17 | Loubert S. Suddaby | Wave energy capture device and energy storage system utilizing a variable mass, variable radius concentric ring flywheel |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HRP20090486A2 (hr) * | 2009-09-14 | 2011-12-31 | Pollak Marijan | Turbina za korištenje kinetičke energije vjetra unutar njoj pripadajućeg ustroja |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3970409A (en) * | 1975-03-26 | 1976-07-20 | Lawrence Peska Associates, Inc. | Wind power and flywheel apparatus |
JPS591838A (ja) * | 1982-06-29 | 1984-01-07 | Copal Erekutora:Kk | フライホイ−ル |
JP2002303352A (ja) * | 2001-04-06 | 2002-10-18 | Ohbayashi Corp | 回転体を備えたモニュメントの回転数抑制装置 |
US20020180216A1 (en) * | 2000-11-17 | 2002-12-05 | Mcdavid William K. | Fluid-powered energy conversion device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2403478A (en) * | 1941-06-25 | 1946-07-09 | Burnat Henri Louis | Damping flywheel |
DE2612200A1 (de) * | 1976-03-23 | 1977-10-06 | Wilhelm Wendner | Pendelfluegelrad - wind- und wasserkraftanlage mit vertikaler drehachse und massen-schwungkraftspeicherung |
BE893865A (nl) * | 1982-06-16 | 1982-11-16 | Dejaegher Roger M E B | Windmolen met beweegbare vlerken en centrufigaal effekt. |
JPS61149647A (ja) * | 1984-12-21 | 1986-07-08 | Nissan Motor Co Ltd | 可変容量フライホイ−ル |
DE4217129C1 (de) * | 1992-05-23 | 1993-05-13 | Teldix Gmbh, 6900 Heidelberg, De |
-
2004
- 2004-11-19 AT AT0194504A patent/AT413742B/de not_active IP Right Cessation
-
2005
- 2005-11-08 WO PCT/AT2005/000442 patent/WO2006053356A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3970409A (en) * | 1975-03-26 | 1976-07-20 | Lawrence Peska Associates, Inc. | Wind power and flywheel apparatus |
JPS591838A (ja) * | 1982-06-29 | 1984-01-07 | Copal Erekutora:Kk | フライホイ−ル |
US20020180216A1 (en) * | 2000-11-17 | 2002-12-05 | Mcdavid William K. | Fluid-powered energy conversion device |
JP2002303352A (ja) * | 2001-04-06 | 2002-10-18 | Ohbayashi Corp | 回転体を備えたモニュメントの回転数抑制装置 |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 008, no. 083 (M - 290) 17 April 1984 (1984-04-17) * |
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 02 5 February 2003 (2003-02-05) * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2128439A1 (de) | 2008-05-27 | 2009-12-02 | Syneola SA | Intelligentes dezentralisiertes elektrisches Stromerzeugungssystem |
US10788011B2 (en) | 2018-10-31 | 2020-09-29 | Loubert S. Suddaby | Wave energy capture device and energy storage system utilizing a variable mass, variable radius concentric ring flywheel |
US10837420B2 (en) | 2018-10-31 | 2020-11-17 | Loubert S. Suddaby | Wave energy capture device and energy storage system utilizing a variable mass, variable radius concentric ring flywheel |
Also Published As
Publication number | Publication date |
---|---|
ATA19452004A (de) | 2005-09-15 |
AT413742B (de) | 2006-05-15 |
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