WO2010009544A1 - Eolienne pourvue de déflecteurs latéraux - Google Patents

Eolienne pourvue de déflecteurs latéraux Download PDF

Info

Publication number
WO2010009544A1
WO2010009544A1 PCT/CA2009/001017 CA2009001017W WO2010009544A1 WO 2010009544 A1 WO2010009544 A1 WO 2010009544A1 CA 2009001017 W CA2009001017 W CA 2009001017W WO 2010009544 A1 WO2010009544 A1 WO 2010009544A1
Authority
WO
WIPO (PCT)
Prior art keywords
turbine
trailing edge
impeller
wings
wing
Prior art date
Application number
PCT/CA2009/001017
Other languages
English (en)
Inventor
André DION
Original Assignee
Dion Andre
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 Dion Andre filed Critical Dion Andre
Publication of WO2010009544A1 publication Critical patent/WO2010009544A1/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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/04—Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having stationary wind-guiding means, e.g. with shrouds or channels
    • 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
    • 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
    • F05B2260/00—Function
    • F05B2260/90—Braking
    • F05B2260/902—Braking using frictional mechanical forces
    • 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 present invention relates to wind turbines. More specifically, the present invention is concerned with a wind turbine with controlled air flow.
  • Wind turbines have been developed to exploit the wind energy that exists at a location.
  • Conventional horizontal axis turbines typically comprise a rotor component, which includes blades for converting wind energy to low speed rotational energy; a generator component, which includes an electrical generator, control electronics, and a gearbox component for converting the low speed rotation to high speed rotation suitable for generating electricity; and a structural support component, which includes a tower and a rotor yaw mechanism.
  • Jovanovic in PCT application publication WO 2006/126001, describes a wind turbine having the shape of a cylinder and comprising a rotor and a stator.
  • the cylinder is open to air at a first extremity and comprises an impeller at the opposite extremity.
  • a wind turbine comprising a turbine housing an impeller and a power unit, the impeller being positioned at a mouth of the turbine at a first end of a body of the turbine, a second end of the turbine opposite the first end being hermetically closed; at least a first pair of wings, each wing comprising deflectors, a leading edge, a trailing edge and side walls joining the trailing edge to the trailing edge, each wing being attached on opposite side of the body of the turbine by one deflector; and a base supporting the turbine and wings; wherein spacers connect the lateral walls to the trailing edge and form suction vents, air flowing between an interior of the wings and the body of the turbine, the power unit directing power produced by the turbine under rotation of the impeller to the base.
  • Figures 1 are: a) a perspective view and b) a part exploded view, of a wind turbine according to an embodiment of an aspect of the present invention
  • Figures 2 are: a) a perspective view; b) a view from the front; c) a schematical view; and d) an exploded view, of an impeller and shaft of a turbine for the wind turbine of Figure 1 ;
  • Figures 3 are: a) a perspective view and b) an exploded view; of a wing for the wind turbine of Figure 1 ;
  • Figures 4 are a) a perspective view and b) an exploded view, of a foot for the wind turbine of Figure 1;
  • Figure 5 is a schematic representation of air flow about a wing of a wind turbine according to an embodiment of an aspect of the present invention
  • Figure 6 is a schematic representation of air flow through the turbine of a wind turbine according to an embodiment of an aspect of the present invention.
  • Figure 7 is a perspective view a wind turbine according to a further embodiment of the present invention.
  • Figure 8 is a partly exploded view of a foot for the wind turbine of Figure 7;
  • Figures 9 are a) a part-exploded view and b) an exploded view of a turbine for the wind turbine of Figure 7;
  • Figure 10 is a detail of the inside of a turbine for the wind turbine of Figure 7;
  • Figures 11 show a) a front view; b) a perspective side view and c) an exploded side view, of an impeller according to an embodiment of an aspect of the invention
  • Figures 12 show the blades of the impeller of Figures 11 in opposed extreme positions (12a 1 , 12a, and 12c, 12c') and in an intermediary position (12b and 12b');
  • Figure 13 is an exploded view of a wing with shutters, according to an embodiment of an aspect of the invention.
  • Figures 14 show positions of the shutters of the wing of Figure 13;
  • Figures 15 illustrate a generator/alternator assembly and a brake positioned within the body of the turbine and b) details of the brake, according to an embodiment of an aspect of the invention
  • Figures 16 illustrate a braking unit according to an embodiment of a further aspect of the present invention.
  • Figure 17 illustrates a wind turbine according to a further embodiment of the present invention.
  • Figure 18 a) is an exploded view; b) top view of a turbine with dampers according to a further embodiment of a turbine, and Figure 18c) shows details of a shutter.
  • the wind turbine 10 generally comprises a turbine 12, wings 14 and a foot 16.
  • the turbine 12 is the part of the wind turbine 10 that converts energy of the wind into mechanical work. As best seen in Figures 2, the turbine 12 comprises an air intake 18, an impeller 20 and a body 22.
  • the air intake 18 may be a cylinder open at both ends thereof, positioned at the mouth 24 of the body 22.
  • the impeller 20 is positioned inside the body 22, close to the mouth 24 of the body 22, as best seen in Figures 2a and 2c, 2d.
  • the impeller 20 typically comprises a wheel 26 connected to a shaft 28 supported by support elements 30 inside the body 22 of the turbine 12.
  • the support elements 30 include bearings and a braking mechanism.
  • the wheel 26 carries blades 32.
  • Other embodiments will be discussed hereinbelow in relation to Figures 11 and 12.
  • the generator/alternator and control systems for the wind turbine are indicated as 31.
  • the body 22 of the turbine 12 is a housing, such as a cylinder for example, closed by the impeller 20 at a first end thereof, and hermetically closed at the opposite end thereof.
  • Fasteners 34 are shown positioned in opposite pairs on the sides of the body 22 (see
  • the fasteners 34 are used to secure wings 14 to the body 22 of the turbine 12.
  • the fasteners 34 are open to the inside of the body 22, thereby allowing air flow between the body 22 of the turbine 12 and the wings 14, as will be described hereinbelow.
  • a wing 14 is thus connected to the body 22 of the turbine 12 and are used to reduce the pressure inside the body 22 of the turbine 12, as will be discussed hereinbelow in relation to Figure 5.
  • a wing 14 comprises a leading edge 40, lateral walls 42, a trailing edge 44 and deflectors 46, 48 on each extremity.
  • the leading edge 40 has a round shape, and is positioned at the front of the wing 14 to cover the length and width of the front face of the wing 14.
  • the lateral walls 42 form the sides of the wing 14 and join the leading edge 40 to the trailing edge 44.
  • Spacers 50 best seen in Figure 3b, used to connect the lateral walls 42 and the trailing edge 44, form suction vents 51 on each side of the trailing edge 44 (see Figure 3a).
  • the trailing edge 44 extends inside the wing 14 and at the rear of the wing 14.
  • a first one 48 of the deflectors is used to connect the wing 14 to the body 22 of the turbine
  • the foot 16 is the part of the wind turbine 10 that secures the wind turbine 10 to a surface, usually the ground (not shown), and allows rotation of the wind turbine 10 under action of the winds. Provision of the foot 16 at the bottom of a lower wing 14, at the level of the leading edge 40 thereof, as shown in Figure 1a for example, by allowing the rear of the wings 14 to direct the wind turbine 10 in alignment with the winds, facilitates alignment of the wind turbine 10.
  • the foot 16 according to an embodiment of the present invention comprises a female part 52 receiving a male part 54 supported on a base 56.
  • a wind turbine may comprise a wing 14 on each side of the body 22 of the turbine 12, i.e. two vertical wings and two horizontal wings.
  • the length of the horizontal wings may be shorter than that of the vertical wings, since longer ones may cause improper rotation of the wind turbine in cases variations of wind velocity occur on each side of the wind turbine.
  • the shape of the body 22 of the turbine 12 allows connecting the wings 14 thereto, as well as increasing the volume for air pressure decrease inside the body 22 of the turbine 12, which may contribute to maintain a constant rotation velocity of the impeller 20.
  • Figure 7 illustrates another embodiment 100 of the wind turbine, comprising two vertical wings 114 only, a turbine 120 and a foot 160.
  • the foot 160 comprises a base 560 receiving an end of a shaft 162 going through the lower wing 114.
  • Figures 9 show a wing 114 comprising a leading edge 400, lateral walls 420, a trailing edge
  • An inner frame made of arms 430 is provided to connect together the front end of the trailing edge 440 with the front of the lateral walls 410 and the leading edge 400.
  • the inner frame 430 is light and allows air circulation within the wing.
  • the leading edge 400, the lateral walls 420 and the trailing edge 440 provide resistance to wind.
  • Spacers 500 (best seen in Figure 9b), used to connect the lateral walls 420 and the trailing edge 440, form suction vents 511 on each side of the trailing edge 440, and at the rear of the wing 114; the spacers 500 allow a flow of air between the lateral walls 420 and the trailing edge 440.
  • the deflector 480 is used to connect the wing 114 to the body of the turbine 120, while the opposite one 460 closes the opposite extremity of the wing 114. .
  • Figure 10 shows the turbine 120 with body 220, closed by the impeller 200 at a first end thereof.
  • the impeller 200 is positioned inside the body 220, close to the mouth 240 of the body 220, and comprises a wheel 260 connected to a shaft 280 supported by support element 300 inside the body 220 of the turbine 120.
  • the mouth 240 of the body 220 is here shown as flared, so as to increase the volume of air able to enter the body 220.
  • the impeller 200 may be a fixed pitch impeller as illustrated. Alternatively, it may be an adjustable-pitch impeller on which the angles of the blades 320 can be adjusted as the turbine rotates, so as to allow maintaining constant the rotation speed of the turbine whatever the wind speed and of the load submitted to the turbine. Another alternative will be described hereinbelow in relation to Figures 18.
  • the support element 300 for supporting the shaft 280 of the turbine may be combined with an emergency braking system allowing to stop the turbine.
  • a gear box 500 on a support 512 secured to the trailing edge 440, is used for directing the produced power to the base of the wind turbine via output shaft 510.
  • Other embodiments are discussed hereinbelow in relation to Figures 2, 15 and 17.
  • the body 220 of the wind turbine of Figures 7 to 10 with two vertical wings 114 has upper and lower sides of a shape conforming with the shape of the deflectors 480 of the respective upper and lower wings 114, as may be best seen in Figure 7: typically from a region at the rear of the impeller 200 to the closed extremity of the body 220, the upper and lower sides of the body 220, in contact with the wings 114, have a decreasing width, corresponding to the width of the wing 114 from the leading edge 400 thereof to the trailing edge 440 thereof. This is found to reduce the aerodynamic drag.
  • FIG. 11 illustrate a variant of an impeller.
  • the impeller 200 comprises a wheel 260 connected to a shaft 280, and blades 320 connected to the wheel 260 through pivots 322.
  • the pivots 322 allows adjusting the angle of attack of the blades 320, as a function of the wind power, i.e. the speed of the wind, and of the capacity of the wind mill to convert potential energy into mechanical energy.
  • a mechanical or electromechanical system (not shown) controlling the rotation of the blades 320 via the pivots 322 may be positioned inside the wheel 260.
  • FIG. 12a and 12a' Different positions of the blades 320 are shown in Figures 12.
  • the blades 320 are almost perpendicular to the shaft 280, thereby closing up the mouth of the body of the turbine (not shown), whereas in Figures 12c and 12c', the blades 320 are almost parallel to the shaft 280, thereby allowing air flow.
  • These two opposite positions of the blades 320 allow to shut down the wind mill.
  • Positions in between these two opposite positions, such as shown for example in Figures 12b and 12b' allow maintaining the rotation speed of the impeller depending on the speed of the wind and the power delivered by the wind mill.
  • Figures 13 and 14 show use of shutters 150 positioned between the lateral walls 420 and the trailing edge 440, in front of the spacers 500 used to connect the lateral walls 420 and the trailing edge 440 (see Figure 13, which also shows the leading edge 400 and the deflectors 460 and 480). Such shutters 150 prevent air return within the wind mill.
  • the shutters 150 may be plates of metal, aluminum or composite material for example.
  • Pivots 152 may be used to connect the shutters 150 to the deflectors 460 and 480, elastic means (not shown) such as springs or elastic materials applying a low force on the shutters to shut them close when the interior and exterior pressures vary.
  • a pressure variation may occur when the wind direction varies and the wind hits the wind mill along a diagonal (see D in Figure 14e): the pressure on the lateral wall 42Oe opposed to the wind decreases whereas the pressure on the lateral wall facing the wind 42Of increases.
  • the shutter 15Of positioned between the lateral wall facing the wind 42Of and the leading edge 440 closes, under the difference of pressure. The difference of pressure disappears once the wing 420 reorients itself along the direction of the wind, and the shutter 15Of reopens when pressure equilibrium is reestablished between suction vents on each side of the trailing edge 440 and the trailing edge 440.
  • a generator/alternator assembly 550 and a brake 600 are positioned within the body 220 of the turbine 120, as an alternative to using a gear box and a gear shaft to direct the power produced by the turbine 120 outside, as described hereinabove in relation to Figure 10 for example.
  • the generator/alternator assembly 550 is typically a n-terminal assembly so as to adjust according to the rotation speeds of the impeller 200. Control and power cables (not shown) connect the generator/alternator assembly 550 to the base of the wind mill (not shown) with a switch (not shown) for example.
  • the brake 600 is shown as comprising a brake caliper 600, brake pads 610 and a disk 620.
  • the brake pads 610 apply a pressure on the disk 620 through the caliper 600 so as to stop the impeller 200, for security. A mechanical or electromagnetic force is then applied to disengage the brake pads 610 for starting the impeller 120.
  • Figures 16 illustrate a braking unit 700, which is not intended to immobilize and lock the wind mill but rather to control the speed with which the wind mill re-positions itself following a change of wind direction. Indeed, excessive speeds may cause torsions and oscillations and result in damages to the wind mill.
  • the braking unit 700 comprises a disk 710, brake pads 720 and a caliper 730. Such a braking unit 700 may be positioned so as to slow down movements of the wind mill and position the wind mill in a current direction of the wind, occurring a change of wind direction.
  • the braking unit 700 is shown as a mechanic braking mechanism, hydraulic and electromagnetic mechanisms may be considered.
  • An hydraulic mechanism for example may be based on the control of flow of a fluid as limiting the movements of the wind mill.
  • a magnetic mechanism may operate in the same fashion as the mechanic braking unit 700 of Figures 16, without mechanic contact.
  • a motorized control may use the power of an electric motor so as to monitor the position of the wind mill, in a most accurate way along the axis of the wind.
  • Figure 17 shows another embodiment of a turbine 120 with a generator 400 inserted in a support 410 positioned in a center thereof.
  • a turbine can be assembled as in Figure 10a, and used with the wind mill shown in Figure 7
  • Dumpers may be used to direct air within the turbine so as to control the pressure thereinside, thereby allowing adjusting the rotation speed of the turbine depending on the wind speed and of the load submitted to the turbine, instead of using an adjustable-pitch propeller as contemplated hereinabove for example, in relation to Figure 10.
  • dumpers 800 are plates pivotally secured to a side wall, and connected to an actuator 810, 812, secured by a pivot 814 to the trailing edge 440 so as to open (left hand side in Figure 18a and bottom in Figure 18b) or close (right hand side in Figure 18a and top in Figure 18b) depending on the rotation of the turbine.
  • dampers 800 can be provided on each wing, so as to decrease the power so as to prevent over speeding of the turbine in case of winds stronger than the capacity of the turbine allows.

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)
  • Wind Motors (AREA)

Abstract

La présente invention concerne une éolienne comprenant une turbine renfermant un groupe moteur et une roue positionnée à l'entrée de la turbine à une première extrémité d'un corps de la turbine, une seconde extrémité de la turbine opposée à la première extrémité étant hermétiquement fermée ; au moins une première paire d'ailes, chaque aile comprenant des déflecteurs, un bord d'attaque, un bord de fuite et des parois latérales reliant le bord d'attaque au bord de fuite, chaque aile étant fixée sur le côté opposé du corps de la turbine par un déflecteur ; et une base supportant la turbine et les ailes. Des entretoises relient les parois latérales au bord de fuite et formant des bouches d'aspiration d'air, l'air circulant entre l'intérieur des ailes et le corps de la turbine, le groupe moteur dirigeant l'énergie produite par la turbine grâce à la rotation de la roue vers la base.
PCT/CA2009/001017 2008-07-21 2009-07-17 Eolienne pourvue de déflecteurs latéraux WO2010009544A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8236908P 2008-07-21 2008-07-21
US61/082,369 2008-07-21

Publications (1)

Publication Number Publication Date
WO2010009544A1 true WO2010009544A1 (fr) 2010-01-28

Family

ID=41569958

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2009/001017 WO2010009544A1 (fr) 2008-07-21 2009-07-17 Eolienne pourvue de déflecteurs latéraux

Country Status (1)

Country Link
WO (1) WO2010009544A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101865088A (zh) * 2010-06-08 2010-10-20 梁吉凯 风光组合式发电装置

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4132499A (en) * 1976-01-29 1979-01-02 Ben Gurion University Of The Negev Wind driven energy generating device
US5709419A (en) * 1994-02-03 1998-01-20 Roskey; John E. Wind energy collection
WO1999049214A1 (fr) * 1998-03-25 1999-09-30 Igor Sergeevich Orlov Eolienne
US6027305A (en) * 1997-08-13 2000-02-22 Virginia Tech Intellectual Properties, Inc. Method and apparatus for reducing high-cycle fatigue and suppressing noise in rotating machinery
WO2001006122A1 (fr) * 1999-07-21 2001-01-25 Vortec Energy Limited Diffuseur
WO2006054290A2 (fr) * 2004-11-16 2006-05-26 Israel Hirshberg Utilisation de l'energie interne provenant de l'air et dispositifs associes
US7172386B2 (en) * 2004-08-05 2007-02-06 Minh-Hoang Dinh Truong Wind and solar power plant with variable high speed rotor trains
US20080023964A1 (en) * 2004-12-23 2008-01-31 Katru Eco-Inventions Pty Ltd. Omni-directional wind turbine
US20080048453A1 (en) * 2006-07-31 2008-02-28 Amick Douglas J Tethered Wind Turbine
US20090022585A1 (en) * 2005-10-19 2009-01-22 Zeki Akbayir Rotor for a Rotary Machine and a Rotary Machine
US20090160197A1 (en) * 2003-07-14 2009-06-25 Marquiss Wind Power, Inc. Apparatus and system for converting wind into mechanical or electrical energy

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4132499A (en) * 1976-01-29 1979-01-02 Ben Gurion University Of The Negev Wind driven energy generating device
US5709419A (en) * 1994-02-03 1998-01-20 Roskey; John E. Wind energy collection
US6027305A (en) * 1997-08-13 2000-02-22 Virginia Tech Intellectual Properties, Inc. Method and apparatus for reducing high-cycle fatigue and suppressing noise in rotating machinery
WO1999049214A1 (fr) * 1998-03-25 1999-09-30 Igor Sergeevich Orlov Eolienne
WO2001006122A1 (fr) * 1999-07-21 2001-01-25 Vortec Energy Limited Diffuseur
US20090160197A1 (en) * 2003-07-14 2009-06-25 Marquiss Wind Power, Inc. Apparatus and system for converting wind into mechanical or electrical energy
US7172386B2 (en) * 2004-08-05 2007-02-06 Minh-Hoang Dinh Truong Wind and solar power plant with variable high speed rotor trains
WO2006054290A2 (fr) * 2004-11-16 2006-05-26 Israel Hirshberg Utilisation de l'energie interne provenant de l'air et dispositifs associes
US20080023964A1 (en) * 2004-12-23 2008-01-31 Katru Eco-Inventions Pty Ltd. Omni-directional wind turbine
US20090022585A1 (en) * 2005-10-19 2009-01-22 Zeki Akbayir Rotor for a Rotary Machine and a Rotary Machine
US20080048453A1 (en) * 2006-07-31 2008-02-28 Amick Douglas J Tethered Wind Turbine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101865088A (zh) * 2010-06-08 2010-10-20 梁吉凯 风光组合式发电装置

Similar Documents

Publication Publication Date Title
US7748947B2 (en) Wind turbine
US4533297A (en) Rotor system for horizontal axis wind turbines
US9464623B2 (en) Method and device for power generation
US7112034B2 (en) Wind turbine assembly
CN101622448A (zh) 垂直轴型风车
JP2008522082A (ja) 風力タービン
KR20150033719A (ko) 풍력 터빈, 풍력 터빈의 용도 및 터빈에 사용하기 위한 베인
EP2432993A2 (fr) Turbine éolienne et pale de turbine éolienne
US20110064576A1 (en) Wind Oscillator for Power Generation
JP2006258083A (ja) 直線翼垂直軸風車の起動性改善および強風対策
US8128363B2 (en) Wind flap brake assembly for wind turbine
US20160298605A1 (en) Self-Regulating Wind Amplifier and Brake System
WO2013040600A1 (fr) Ensemble moyeu d'éolienne doté de pales d'aile hybrides
JP2010523880A (ja) 風力タービンにおける改良又は風力タービンに関する改良
WO2010014325A1 (fr) Système d'ailette de turbine
JP2022170705A (ja) 風力タービン用バックアップ電源
JP5832068B2 (ja) 風力発電装置
WO2010009544A1 (fr) Eolienne pourvue de déflecteurs latéraux
EP3203063A1 (fr) Éolienne, son utilisation et aube à utiliser dans la turbine
CN102630276A (zh) 具有超速抑制翼板的垂直轴风力发电机
US20120161448A1 (en) Multiple wind turbine power generation system with dynamic orientation mechanism and airflow optimization
US8415820B2 (en) Wind dam and vertical turbine system
JP5372526B2 (ja) 風力発電機
EP3643913B1 (fr) Dispositif de voile
JP3135220U (ja) 風力発電機

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09799897

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09799897

Country of ref document: EP

Kind code of ref document: A1