DE2948060A1 - Wind-driven rotor with vertical shaft - has blades formed by helical strips with ends held between radial spokes on rotor shaft - Google Patents

Wind-driven rotor with vertical shaft - has blades formed by helical strips with ends held between radial spokes on rotor shaft

Info

Publication number
DE2948060A1
DE2948060A1 DE19792948060 DE2948060A DE2948060A1 DE 2948060 A1 DE2948060 A1 DE 2948060A1 DE 19792948060 DE19792948060 DE 19792948060 DE 2948060 A DE2948060 A DE 2948060A DE 2948060 A1 DE2948060 A1 DE 2948060A1
Authority
DE
Germany
Prior art keywords
rotor
wind
shaft
leaf
helical
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.)
Withdrawn
Application number
DE19792948060
Other languages
German (de)
Inventor
Ulrich 2820 Bremen Stampa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Erno Raumfahrttechnik GmbH
Original Assignee
Erno Raumfahrttechnik GmbH
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 Erno Raumfahrttechnik GmbH filed Critical Erno Raumfahrttechnik GmbH
Priority to DE19792948060 priority Critical patent/DE2948060A1/en
Publication of DE2948060A1 publication Critical patent/DE2948060A1/en
Withdrawn legal-status Critical Current

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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/061—Rotors characterised by their aerodynamic shape, e.g. aerofoil profiles
    • 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
    • F05B2240/212—Rotors for wind turbines with vertical axis of the Darrieus 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
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/211—Rotors for wind turbines with vertical axis
    • F05B2240/214—Rotors for wind turbines with vertical axis of the Musgrove or "H"-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
    • F05B2240/24—Rotors for turbines
    • F05B2240/243—Rotors for turbines of the Archimedes screw type
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (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

The wind energy converter comprises a rotor which is rotatable (A) about a vertical axis (1) and has blades (3) shaped such that, on rotation, they generate a cylinder of revolution (2). The blade surfaces form a helical pattern on the surface of this imaginary cylinder. The surfaces of the blades may be contoured similarly to the tooth flanks of a single or double-helical gear wheel. The ends of each blade may be secured to spokes (4a,b) radially extending from the rotor shaft.

Description

Vorrichtung zur Umwandlung von Windenergie Device for converting wind energy

Die Erfindung betrifft eine Vorrichtung zur Umwandlung von Windenergie, die um eine vertikale Achse drehbar ist und mit blattförmigen, zur Aufnahme der Windkraft dienenden Teilen beim Umlauf eine Zylindermantelfläche erzeugt.The invention relates to a device for converting wind energy, which is rotatable about a vertical axis and with leaf-shaped, for receiving the Parts used for wind power generate a cylindrical surface during rotation.

Herkömmliche derartige, auch als "H"-Läufer bezeichnete Windrotoren werden mit senkrecht stehenden Blättern gebaut, die vorzugsweise auf einer gedachten Zylindermantelfläche umlaufen. Diese Rotoren haben den Vorteil, daß sie von der Windrichtung unabhängig sind und daß die Rotorblätter an allen Stellen mit der gleichen Geschwindigkeit umlaufen. Es treten dabei jedoch sehr stark wecnselnde aerodynamische Kräfte auf, die während eines Umlaufs zweimal ein Maximum erreichen und zweimal auf 0 absinken. Dabei ist die maximale Kraft einmal zur Achse des Rotors hin und das andere ideal von der Achse fort gerichtet. In shnlicher Weise wechselt das von dem Rotor erzeugt Drehmoment.Conventional wind rotors of this type, also referred to as "H" rotors are built with vertical leaves, preferably on an imaginary Circumferential cylinder surface. These rotors have the advantage that they are of the Wind direction are independent and that the rotor blades at all points with the same Speed around. However, there are very strong aerodynamic changes Forces that reach a maximum twice and twice during an orbit decrease to 0. The maximum force is once towards the axis of the rotor and the other ideally directed away from the axis. Similarly, it changes from the rotor generates torque.

Bei Ein- und Zweiblattrotoren wirkt sich dieser Wechsel besonders ungünstig aus. Aber auch bei Mehrblattrotoren dieser Art muß mit der Anfachung von uneramnschten Schwingungen in der Struktur, dem Getriebe und den angetriebenen I4aschinen gerechnet werden.This change is particularly effective with single- and two-blade rotors unfavorable. But even with multi-blade rotors of this type, the fanning of unwanted vibrations in the structure, the gearbox and the driven machines be expected.

Jedenfalls sind zur Unterdrückung der Schwingungen konstruktive Maßnahmen erforderlich, die natürlich unerwünschte Kosten mit sich bringen.In any case, constructive measures are required to suppress the vibrations required, which of course entail undesirable costs.

Deshalb wird die Aufgabe der Erfindung darin gesehen, ein Windrad mit einem Drehkörper der eingangs genannten Art zu schaffen, bei dem die aufgeführten achteile vermieden sind.Therefore, the object of the invention is seen in a wind turbine to create with a rotating body of the type mentioned, in which the listed disadvantages are avoided.

Diese Aufgabe wira dadurch gelöst, daß die Oberfläche der blattförmigen, zur Aufnahme der Windkraft dienenden Rotorteile als gebogene, auf einer Schraubenlinie des Zylindermantels verlaufende Wendel ausgeführt ist.This object is achieved in that the surface of the leaf-shaped, To accommodate the wind power serving rotor parts as curved, on a helical line of the cylinder jacket running helix is executed.

An die Stelle des bekannten "H"-Rotors mit den geraden, parallel zur Rotorachse umlaufenden Blättern soll nach der Erfindung ein Wendelblatt-Rotor treten.In place of the well-known "H" rotor with the straight, parallel to the According to the invention, a helical blade rotor is to occur with blades rotating around the rotor axis.

Die Wirkungsweise der angreifenden Kraft ist bei derartigen Rotoren ähnlich wie bei Schräg- oder Schraubenradverzahnungen. Der Angriff der Windkraft setzt punktförmig ein, und die Wirkung der Windkräfte überschneidet sich in sinnvoller Weise. Jedoch läuft die angreifende Kraft während eines Teils des Rotorumlaufs zur anderen Seite des Blattes und setzt punktförmig wieder aus, was ebenfalls zur Verbesserung des Gleichförmigkeitsgrades im Betriebe beiträgt.The effect of the applied force is in such rotors similar to helical or helical gear teeth. The attack of wind power starts punctually, and the effect of the wind forces overlaps in a more meaningful way Way. However, the applied force is applied during part of the rotor revolution other side of the sheet and is punctiform again, which also improves the degree of uniformity in the company.

Weitere vorteilhafte Ausführungsformen der Erfindung sind deshalb unter ausgestaltung des Grundgedankens dadurch gekennzeichnet, daß die Oberfläche der blattförmigen l'eile ähnlich wie die Zahnflanke eines schrägverzahnten oder auch eines pfeilverzahnten Rades gestaltet ist.Further advantageous embodiments of the invention are therefore with development of the basic idea characterized in that the surface the leaf-shaped part similar to the tooth flank a helical or a herringbone wheel is designed.

Das anXder Rotorwelle abgegebene Drehmoment ändert sich während eines Umlaufs nur noch wenig. Eine Möglichkeit zur Verstellung des Blattwinkels während des Umlaufs braucht daner nicht vorgesehen zu werden.The torque delivered to the rotor shaft changes during a Only a little in circulation. One way to adjust the blade angle during the circulation does not need to be provided.

Weitere Einzelheiten, Merkmale und Vorzüge der Erfindung ergeben sich aus den Ansprüchen sowie aus der nachfolgenden Bescnreibung und den Zeichnungsfiguren, in denen die Erfindung an einem Ausfübrungsbeist'iei ausführlich erläutert und schematisch dargestellt ist.Further details, features and advantages of the invention result from the claims as well as from the following description and the drawing figures, in which the invention is explained in detail and schematically in an embodiment example is shown.

Es zeigen: Fig. 1 eine persDektivisch-schematische Seitenansicht eines erfindungsgemäßen Rotors, Fig. 2 eine Draufsicht in Achsenrichtung auf den Rotor von Fig. 1.1 shows a perspective-schematic side view of a rotor according to the invention, FIG. 2 is a plan view in the axial direction of the rotor of Fig. 1.

In Fig. 1 ist ein Windrad mit drei vom Wind beaufschlagbaren Blättern 3 dargestellt, das um eine vertikale Achse 1 drehbar ist. Die Oberfläche der Rotorblätter ist erfindungsgemäß als gebogene, auf einer Schraubenlinie eines durch die umlaufenden Rotorblätter erzeugten, gedachten Zylindermantels 2 verlaufende Wendelfläche ausgeführt. Die Rotorblätter 3 werden an ihren oberen und unteren Enden jeweils von den Enden von Armen 4 gehalten.In Fig. 1 is a wind turbine with three blades that can be acted upon by the wind 3, which is rotatable about a vertical axis 1. The surface of the rotor blades is according to the invention as a curved, on a helical line one through the circumferential Rotor blades produced, imaginary cylinder jacket 2 running spiral surface executed. The rotor blades 3 are each at their upper and lower ends from the ends held by arms 4.

Auf diese Weise können die wesentlichen Belastungen im Blatt durch Zugkräfte vorteilhaft aufgenommen werden.In this way, the main loads in the sheet can pass through Tensile forces are advantageously absorbed.

Die Rotorarme 4 gehen oben und unten am Rotor sternförmig von der Achse 1 aus. Bei der vorliegenden, dreiblättrigen Ausführungsforn sind die Arme 4 unten und oben in der Draufsicht parallel zueinander und die Blätter 3 führen auf einer Schraubenlinie des gedachten Mantels 2 jeweils von dem einen Arm, zB Arm 4a, oben, zu dem in der Drehrichtung, die durch einen Pfeil "A" angedeutet ist, jeweils nächsten Arm, zB Arm 4b, unten.The rotor arms 4 go up and down on the rotor in a star shape from the Axis 1 off. In the present three-leaved embodiment, the arms are 4 below and above in plan view parallel to each other and guide the sheets 3 on a helical line of the imaginary shell 2 in each case from the one arm, for example arm 4a, above, to which in the direction of rotation, which is indicated by an arrow "A", next arm, for example arm 4b, below.

Während bei der dargestellten Ausführungsform die Blattanordnung Schraubenlinien auf einer gedachten Mantelfläche folgt, haben sich Blattoberflächen wie bei den Zahnflanken einer Schrägverzahnung und Blattformen, die den bei einer Pfeilverzahnung auftretenden Flankenformen entsprechen, ebenfalls als vorteilhaft erwiesen.While in the illustrated embodiment, the blade arrangement is helical follows on an imaginary lateral surface, have leaf surfaces as with the Tooth flanks of a helical tooth system and blade shapes that are the same as those of a herringbone tooth system corresponding flank shapes that have also been found to be advantageous.

Neben den Vorteilen,die schon den "H"-Läufer als günstig erscheinen ließen, ergeben sich bei erfindungsgemäßen Windrotoren noch die folgenden Vorteile.In addition to the advantages that even the "H" runner seem cheap let the following advantages arise with wind rotors according to the invention.

Während eines Umlaufs treten wegen der gleichmäßiger wirkenden Windkraft und der nur geringen Störungen durch örtliches Abreißen der Strömung an den Rotorblättern nur geringfügige Schwankungen der Winkelgeschwindigkeit auf. Wegen des nunmehr so guten Gleichförmigkeitsgrades ist daher ein erfindungsgemäßer Rotor im Gegensatz zu den bekannten "H"-Läufern auch zum Antrieb von elektrischen Maschinen geeignet.Kick during a revolution because of the more evenly acting wind force and only minor disruptions due to local disruption of the flow on the rotor blades only slight fluctuations in angular velocity. Because of that now A rotor according to the invention is therefore in contrast to a good degree of uniformity In addition to the well-known "H" rotors, it is also suitable for driving electrical machines.

Claims (4)

Patentansprüche Vorrichtung zur Umwandlung von Windenergle, die um eine vertikale Achse drehbar ist und mit blattförmigen, zur Aufnahme der Winakraft dienenden Teilen beim Umlauf eine Zylindermantelfläche erzeugt, dadurch gekennzeichnet, daß die Oberfläche der blattförmigen Teile (3) als gebogene, auf einer Schraubenlinie des Zylindermantels (2) verlaufende Wendel ausgefunrt ist. Claims device for converting wind energy to a vertical axis is rotatable and with leaf-shaped, for receiving the Winakraft A cylinder jacket surface is generated for the parts that are used in circulation, characterized in that that the surface of the sheet-shaped parts (3) as curved, on a helical line of the cylinder jacket (2) extending helix is ausfunrt. 2. Vorrichtung nach dem Oberbegriff des Anspruchs 1, dadurch gekennzeichnet, daß die Oberfläche der blattförmigen Teile (3) ähnlich wie eine Zahnflanke eines schrägverzahnten Rades gestaltet ist. 2. Device according to the preamble of claim 1, characterized in that that the surface of the leaf-shaped parts (3) similar to a tooth flank of a helical gear is designed. 3. Vorrichtung nach dem Oberbegriff des Anspruchs 1, dadurch gekennzeichnet, daß die Oberfläche der blattförmigen Teile (3) ähnlich wie eine Zahnflanke eines Rades mit einer Pfeilverzahnung gestaltet ist.3. Device according to the preamble of claim 1, characterized in that that the surface of the leaf-shaped parts (3) similar to a tooth flank of a Wheel is designed with a herringbone toothing. 4. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die blattförmigen Teile (3) des Drehkörpers an ihren Enden oben und unten jeweils von mit der Achse (1) verbundenen Armen (4) gehalten werden.4. Device according to one of the preceding claims, characterized in that that the leaf-shaped parts (3) of the rotating body at their ends above and below, respectively are held by arms (4) connected to the axis (1).
DE19792948060 1979-11-29 1979-11-29 Wind-driven rotor with vertical shaft - has blades formed by helical strips with ends held between radial spokes on rotor shaft Withdrawn DE2948060A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19792948060 DE2948060A1 (en) 1979-11-29 1979-11-29 Wind-driven rotor with vertical shaft - has blades formed by helical strips with ends held between radial spokes on rotor shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792948060 DE2948060A1 (en) 1979-11-29 1979-11-29 Wind-driven rotor with vertical shaft - has blades formed by helical strips with ends held between radial spokes on rotor shaft

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DE2948060A1 true DE2948060A1 (en) 1981-06-04

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Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456429A (en) * 1982-03-15 1984-06-26 Kelland Robert E Wind turbine
US4718821A (en) * 1986-06-04 1988-01-12 Clancy Brian D Windmill blade
US5405246A (en) * 1992-03-19 1995-04-11 Goldberg; Steven B. Vertical-axis wind turbine with a twisted blade configuration
WO1996007824A1 (en) * 1994-09-02 1996-03-14 Ppv Verwaltungs Ag Flow engine
US5577882A (en) * 1994-01-11 1996-11-26 Northeastern University Unidirectional reaction turbine operable under reversible fluid flow
WO1996038667A1 (en) * 1995-05-30 1996-12-05 Northeastern University Helical turbine for power and propulsion systems
WO2001048374A3 (en) * 1999-12-29 2001-12-27 Gck Technology Inc Turbine for free flowing water
WO2002044558A1 (en) * 2000-12-01 2002-06-06 Econcern Bv Device for the utilisation of wave energy
WO2002053909A1 (en) * 2000-12-29 2002-07-11 C.O.R.E. International B.V. Vertical shaft wind turbine with diffuser
WO2002093006A1 (en) * 2001-05-16 2002-11-21 Lutz Schulze Wind turbine comprising a vertical axis
GB2404227A (en) * 2003-07-24 2005-01-26 Xc02 Conisbee Ltd A vertical axis wind turbine
DE102004041281A1 (en) * 2004-08-25 2006-03-02 Hochschule Bremerhaven Vertical rotor for producing electricity using wind energy, has rotor blades curved against axle, and coaxially bent around axle to form cylindrical surface
WO2008145991A3 (en) * 2007-05-30 2009-04-23 Isis Innovation Water turbine
WO2009105835A1 (en) * 2008-02-28 2009-09-03 Windworks Engineering Limited An airfoil for a vertical axis wind turbine
MD3817C2 (en) * 2007-05-11 2009-10-31 Технический университет Молдовы Wind turbine with vertical axle (variants)
WO2010046601A2 (en) * 2008-10-24 2010-04-29 Maximilien Petitgenet Wind turbine with vertical axis
US7902687B2 (en) 2006-10-20 2011-03-08 Ocean Renewable Power Company, Llc Submersible turbine-generator unit for ocean and tidal currents
WO2010128390A3 (en) * 2009-05-04 2011-06-23 Seab Energy Ltd Vertical axis turbine and method of making same
US8096750B2 (en) 2009-03-30 2012-01-17 Ocean Renewable Power Company, Llc High efficiency turbine and method of generating power
WO2012041991A1 (en) * 2010-09-29 2012-04-05 Nenuphar Vertical axis wind turbine having one or more modular blades
US8393853B2 (en) 2007-11-19 2013-03-12 Ocean Renewable Power Company, Llc High efficiency turbine and method of generating power
AT511895A1 (en) * 2011-09-08 2013-03-15 Cleanvertec Dev Gmbh WIND POWER ROTOR IN DARRIEUS-H CONSTRUCTION AND RELATED ROTOR BLADE
WO2013056322A1 (en) * 2011-10-19 2013-04-25 Pimpirev Aleksandar Nikolov Vertical-axis wind turbine
CN103154506A (en) * 2010-09-07 2013-06-12 林茨电气公司 Vertical axis wind turbine
CN104131940A (en) * 2014-07-24 2014-11-05 大连吉诺贸易有限公司 Fluid dynamic providing system propeller blade
CN104728031A (en) * 2015-04-01 2015-06-24 姚焕源 Tapered threaded rod type submerging and surfacing generating station
US9267490B1 (en) * 2012-08-21 2016-02-23 Sandia Corporation Aeroelastically coupled blades for vertical axis wind turbines
DE102021004673A1 (en) 2021-09-15 2023-03-16 Dieter Ehrke Wind wheel for a wind turbine

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456429A (en) * 1982-03-15 1984-06-26 Kelland Robert E Wind turbine
US4718821A (en) * 1986-06-04 1988-01-12 Clancy Brian D Windmill blade
US5405246A (en) * 1992-03-19 1995-04-11 Goldberg; Steven B. Vertical-axis wind turbine with a twisted blade configuration
US5577882A (en) * 1994-01-11 1996-11-26 Northeastern University Unidirectional reaction turbine operable under reversible fluid flow
US5642984A (en) * 1994-01-11 1997-07-01 Northeastern University Helical turbine assembly operable under multidirectional fluid flow for power and propulsion systems
US6036443A (en) * 1994-01-11 2000-03-14 Northeastern University Helical turbine assembly operable under multidirectional gas and water flow for power and propulsion systems
WO1996007824A1 (en) * 1994-09-02 1996-03-14 Ppv Verwaltungs Ag Flow engine
WO1996038667A1 (en) * 1995-05-30 1996-12-05 Northeastern University Helical turbine for power and propulsion systems
AU693346B2 (en) * 1995-05-30 1998-06-25 Northeastern University Helical turbine for power and propulsion systems
WO2001048374A3 (en) * 1999-12-29 2001-12-27 Gck Technology Inc Turbine for free flowing water
WO2002044558A1 (en) * 2000-12-01 2002-06-06 Econcern Bv Device for the utilisation of wave energy
WO2002053909A1 (en) * 2000-12-29 2002-07-11 C.O.R.E. International B.V. Vertical shaft wind turbine with diffuser
WO2002093006A1 (en) * 2001-05-16 2002-11-21 Lutz Schulze Wind turbine comprising a vertical axis
GB2404227A (en) * 2003-07-24 2005-01-26 Xc02 Conisbee Ltd A vertical axis wind turbine
GB2404227B (en) * 2003-07-24 2006-02-01 Xc02 Conisbee Ltd Vertical-axis wind turbine
CN100353053C (en) * 2003-07-24 2007-12-05 无噪音旋转有限公司 Vertical-axis wind turbine
DE102004041281A1 (en) * 2004-08-25 2006-03-02 Hochschule Bremerhaven Vertical rotor for producing electricity using wind energy, has rotor blades curved against axle, and coaxially bent around axle to form cylindrical surface
DE102004041281B4 (en) * 2004-08-25 2014-12-04 Hochschule Bremerhaven Method for the production of electrical energy from wind energy and a vertical rotor for such a method
US7902687B2 (en) 2006-10-20 2011-03-08 Ocean Renewable Power Company, Llc Submersible turbine-generator unit for ocean and tidal currents
MD3817C2 (en) * 2007-05-11 2009-10-31 Технический университет Молдовы Wind turbine with vertical axle (variants)
WO2008145991A3 (en) * 2007-05-30 2009-04-23 Isis Innovation Water turbine
US8870540B2 (en) 2007-05-30 2014-10-28 Isis Innovation Limited Water turbine
RU2461731C2 (en) * 2007-05-30 2012-09-20 Исис Инновейшн Лимитед Hydraulic turbine
CN101720385B (en) * 2007-05-30 2013-01-16 Isis创新有限公司 Water turbine
US8393853B2 (en) 2007-11-19 2013-03-12 Ocean Renewable Power Company, Llc High efficiency turbine and method of generating power
WO2009105835A1 (en) * 2008-02-28 2009-09-03 Windworks Engineering Limited An airfoil for a vertical axis wind turbine
WO2010046601A3 (en) * 2008-10-24 2010-12-16 Maximilien Petitgenet Wind turbine with vertical axis
FR2937688A1 (en) * 2008-10-24 2010-04-30 Maximilien Petitgenet VERTICAL AXLE WIND
WO2010046601A2 (en) * 2008-10-24 2010-04-29 Maximilien Petitgenet Wind turbine with vertical axis
US8096750B2 (en) 2009-03-30 2012-01-17 Ocean Renewable Power Company, Llc High efficiency turbine and method of generating power
US8522435B2 (en) 2009-05-04 2013-09-03 Seab Energy Ltd. Method of making a turbine
WO2010128390A3 (en) * 2009-05-04 2011-06-23 Seab Energy Ltd Vertical axis turbine and method of making same
US8678768B2 (en) 2009-05-04 2014-03-25 Seab Energy Ltd. Vertical axis turbine
US8061993B2 (en) 2009-05-04 2011-11-22 Seab Energy Ltd. Vertical axis turbine
CN103154506A (en) * 2010-09-07 2013-06-12 林茨电气公司 Vertical axis wind turbine
CN103154506B (en) * 2010-09-07 2015-09-30 林茨电气公司 Vertical axis wind turbine
WO2012041991A1 (en) * 2010-09-29 2012-04-05 Nenuphar Vertical axis wind turbine having one or more modular blades
AT511895A1 (en) * 2011-09-08 2013-03-15 Cleanvertec Dev Gmbh WIND POWER ROTOR IN DARRIEUS-H CONSTRUCTION AND RELATED ROTOR BLADE
WO2013056322A1 (en) * 2011-10-19 2013-04-25 Pimpirev Aleksandar Nikolov Vertical-axis wind turbine
US9267490B1 (en) * 2012-08-21 2016-02-23 Sandia Corporation Aeroelastically coupled blades for vertical axis wind turbines
CN104131940A (en) * 2014-07-24 2014-11-05 大连吉诺贸易有限公司 Fluid dynamic providing system propeller blade
CN104728031A (en) * 2015-04-01 2015-06-24 姚焕源 Tapered threaded rod type submerging and surfacing generating station
DE102021004673A1 (en) 2021-09-15 2023-03-16 Dieter Ehrke Wind wheel for a wind turbine

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