WO2004022969A1 - Roue eolienne - Google Patents

Roue eolienne Download PDF

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Publication number
WO2004022969A1
WO2004022969A1 PCT/IB2003/003316 IB0303316W WO2004022969A1 WO 2004022969 A1 WO2004022969 A1 WO 2004022969A1 IB 0303316 W IB0303316 W IB 0303316W WO 2004022969 A1 WO2004022969 A1 WO 2004022969A1
Authority
WO
WIPO (PCT)
Prior art keywords
wind
wind turbine
corner
tubes
overlap
Prior art date
Application number
PCT/IB2003/003316
Other languages
German (de)
English (en)
Inventor
Bertram Steinheuer
Original Assignee
Bertram Steinheuer
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bertram Steinheuer filed Critical Bertram Steinheuer
Priority to AU2003247119A priority Critical patent/AU2003247119A1/en
Publication of WO2004022969A1 publication Critical patent/WO2004022969A1/fr

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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/0608—Rotors characterised by their aerodynamic shape
    • 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
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • 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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
    • F05B2240/311—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape flexible or elastic
    • 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
    • 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
    • Y02E10/728—Onshore wind turbines

Definitions

  • the invention relates to a wind turbine for wind power plants and a wind direction bearing for wind power plants according to the preamble of the independent claims.
  • Devices for generating electricity from wind are used to generate electrical energy in an environmentally sustainable manner. Another area of application is the generation of electrical energy in remote locations where connection to a power grid is difficult or impossible.
  • the devices have a wind wheel or a propeller and are rotatably mounted, so that an alignment according to the wind direction is possible.
  • the wind turbine In most devices for generating electricity from wind, the wind turbine is designed as a propeller, as is known from aircraft. Wind turbines with sails are known from the 13th century. They were or are mainly used for pumps and mills. Devices for generating electricity from
  • Wind must be aligned according to the respective wind direction.
  • the historical wind turbines with sails have the disadvantage that their efficiency and stability are imperfect.
  • Conventional wind turbines designed as propellers for wind turbines are complex to manufacture.
  • Known wind direction bearings for power generators have the disadvantage that they can withstand high wind speeds only with a very complex construction.
  • the passive alignment is often imperfect at low wind speeds because the bearings are stiff.
  • the object is therefore to provide a wind turbine of the type mentioned at the outset which at least partially avoids the disadvantages mentioned above.
  • wind turbine has two coaxial rings.
  • the wind turbine is stable and easy to manufacture.
  • the wind direction bearing has two coaxially arranged tubes which can be rotated relative to one another and overlap and at least two ball bearings are provided in the region of the overlap.
  • the wind direction bearing is stable and therefore suitable for high wind speeds.
  • sail in this document generally describes an element that is used to convert a
  • Wind power is used in another mechanical force, and therefore includes not only classic fabric sails, but also such sails, which are designed as fixed or inflexible elements. Flexible, non-self-supporting elements are preferred.
  • FIG. 2 shows a preferred embodiment of the wind wheel according to the invention for wind power plants.
  • Fig. 1 shows a preferred embodiment of the wind power plant according to the invention.
  • a current generator 1 or dynamo is driven by the wind wheel 3, 4, 5 via the shaft 6.
  • the wind wheel 3, 4, 5 has two coaxial rings 3, 4 and a plurality of essentially triangular sails 5.
  • An alignment sail 2, or a flag ensures that the part of the wind turbine that can be rotated about a vertical axis, ie, among other things, wind turbine 3, 4, 5, generator 1 and alignment sail 2, each passively, ie without an active actuator, in accordance with the Aligns wind direction.
  • the current generator 1 is rotatably mounted with a wind direction bearing 7, 8, 9, 10.
  • the wind direction bearing 7, 8, 9, 10 is shown as a section and disproportionately large to clarify the mode of operation.
  • the wind direction bearing 7, 8, 9, 10 has two coaxial tubes 7, 8, namely an outer tube 7, which is connected to the base or foundation of the wind turbine, and an inner tube 8, which is connected to the generator 1. Coaxial means that the axes of the tubes 7, 8 lie on the same straight line.
  • the two tubes 7, 8 are rotatable relative to each other.
  • the two pipes 7, 8 overlap.
  • at least a first, upper ball bearing 9 and a second, lower ball bearing 10 are provided between the two tubes 7, 8.
  • the first ball bearing 9 is in the area of the upper end of the overlap of the two tubes
  • the second ball bearing 10 is arranged in the region of the lower end of the overlap of the two tubes 7, 8.
  • the first tube 7 and the second tube 8 are not significantly longer than the area of overlap of the two tubes 7,
  • the two ball bearings 9, 10 are preferably angular bearings. However, they can also be designed as a groove bearing.
  • the wind direction bearing allows a 360 s rotation.
  • the wind direction bearing is preferably long enough that it also serves as a mast and no further components are provided between generator 1 and the base or foundation of the installation.
  • the lower end of the bearing is anchored in the floor and the generator 1 or the wind turbine 3, 4, 5, 6 is attached to the upper end.
  • the bearing is designed such that the overlap of the two tubes 7, 8 essentially extends from the foot to the upper end.
  • the outer tube 7 is longer than the inner tube 8, so that the overlap of the tubes 7, 8 is limited to the upper region of the mast, for example the upper third.
  • the length of the mast of wind turbines is designed very differently depending on the wind turbine properties, generator properties and environmental conditions. A length of 5 to 10 m is mentioned here as an example.
  • Fig. 2 shows a preferred embodiment of the wind turbine according to the invention for wind turbines.
  • the wind turbine has a plurality of sails 5 and a device 3, 4, 11, 12 to which the sails 5 are fastened and in particular stretched.
  • the device 3, 4, 11, 12 comprises two coaxial rings 3, 4. Coaxial means that the axes of the rings lie on the same straight line, which coincides with the shaft 6 in the present case.
  • the radius of the two rings 3, 4 is essentially the same.
  • the rings 3, 4 form the outer frame of the wind turbine and therefore preferably have a radius which is larger than the corresponding dimension of the individual sails 5. However, in order to ensure good stability, the radius of the rings should be at least half as large as the radius of the wind turbine.
  • the radius of the wind turbine is the distance from the outermost point of the wind turbine to the axis of the wind turbine.
  • the rings 3, 4 are connected to a shaft 6 via radial struts 11.
  • the rings 3, 4 are connected to one another with intermediate ring struts 12 in particular.
  • These intermediate ring struts 12 can in particular be designed as axial struts which run parallel to the axis of rotation of the wind turbine.
  • the sails 5 are essentially triangular. Only one of the six sails 5 is shown.
  • the wind turbine preferably has between three and twelve sails 5.
  • the sails 5 are each fastened with a first corner to the first ring 3, with a second corner to the second ring 4 and with a third corner to the shaft 6.
  • the sails 5 are stretched between three points.
  • the two outer corners of the sails 5 can also both be attached to the same ring 3 or 4.
  • the inclination of the sails 5 with respect to the wind is achieved by varying the tension of the sails 5 between the fastening points.
  • at least one of the outer corners of the sails 5 is attached to an intermediate ring strut 12.
  • the device 3, 4, 11, 12, to which the sails 5 are attached is preferably made of a stable and, in particular, light material. It can be made of wood, metal, in particular aluminum or carbon fibers, among other things, or at least have these materials. While preferred embodiments of the invention are described in the present application, it should be clearly pointed out that the invention is not based on this is limited and can be carried out in other ways within the scope of the following claims.

Abstract

L'invention concerne un dispositif pour produire de l'énergie électrique à partir du vent, ledit dispositif comprenant une roue éolienne (3, 4, 5), une génératrice (1) et une voile d'orientation (2). La roue éolienne (3, 4, 5) présente deux anneaux (3, 4), auxquels sont fixées plusieurs voiles (5). La génératrice (1), la roue éolienne (3, 4, 5) et la voile d'orientation (2) sont montées de manière à pouvoir tourner au moyen de deux tubes (7, 8) coaxiaux qui sont chacun reliés à un roulement à billes (9, 10) au niveau des deux extrémités de leur zone de chevauchement. Le dispositif selon l'invention présente un bon rendement et une bonne stabilité.
PCT/IB2003/003316 2002-09-04 2003-07-25 Roue eolienne WO2004022969A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003247119A AU2003247119A1 (en) 2002-09-04 2003-07-25 Wind wheel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH15062002 2002-09-04
CH1506/02 2002-09-04

Publications (1)

Publication Number Publication Date
WO2004022969A1 true WO2004022969A1 (fr) 2004-03-18

Family

ID=31954547

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2003/003316 WO2004022969A1 (fr) 2002-09-04 2003-07-25 Roue eolienne

Country Status (2)

Country Link
AU (1) AU2003247119A1 (fr)
WO (1) WO2004022969A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006042401A1 (fr) * 2004-10-18 2006-04-27 Whalepower Corporation Turbine et compresseur utilisant un modele de rotor presentant un bord avant muni de tubercules
WO2014065687A3 (fr) * 2012-05-10 2014-10-23 Puie Ioan Turbine éolienne à axe horizontal

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1009896A (en) * 1910-09-17 1911-11-28 Charles Florence Craddick Windmill.
US1417000A (en) * 1922-03-09 1922-05-23 Vogt Henric Christian Windmill
US2015777A (en) * 1934-11-08 1935-10-01 Guy A Belding Windmill
US2633921A (en) * 1945-03-28 1953-04-07 Monney Charles Roger Wind engine
DE3126692A1 (de) * 1980-12-17 1983-02-10 Hilarius 4300 Essen Drzisga Windturbine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1009896A (en) * 1910-09-17 1911-11-28 Charles Florence Craddick Windmill.
US1417000A (en) * 1922-03-09 1922-05-23 Vogt Henric Christian Windmill
US2015777A (en) * 1934-11-08 1935-10-01 Guy A Belding Windmill
US2633921A (en) * 1945-03-28 1953-04-07 Monney Charles Roger Wind engine
DE3126692A1 (de) * 1980-12-17 1983-02-10 Hilarius 4300 Essen Drzisga Windturbine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006042401A1 (fr) * 2004-10-18 2006-04-27 Whalepower Corporation Turbine et compresseur utilisant un modele de rotor presentant un bord avant muni de tubercules
US8535008B2 (en) 2004-10-18 2013-09-17 Whale-Power Corporation Turbine and compressor employing tubercle leading edge rotor design
WO2014065687A3 (fr) * 2012-05-10 2014-10-23 Puie Ioan Turbine éolienne à axe horizontal

Also Published As

Publication number Publication date
AU2003247119A1 (en) 2004-03-29

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