DE3217763A1 - Wind wheel with wind wedge and double rotor as screw or savonius rotor - Google Patents

Wind wheel with wind wedge and double rotor as screw or savonius rotor

Info

Publication number
DE3217763A1
DE3217763A1 DE19823217763 DE3217763A DE3217763A1 DE 3217763 A1 DE3217763 A1 DE 3217763A1 DE 19823217763 DE19823217763 DE 19823217763 DE 3217763 A DE3217763 A DE 3217763A DE 3217763 A1 DE3217763 A1 DE 3217763A1
Authority
DE
Germany
Prior art keywords
wind
wedge
rotors
rotor
wind turbine
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Withdrawn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
DE19823217763
Other languages
German (de)
Inventor
Herbert 2940 Wilhelmshaven Borreck
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19823217763 priority Critical patent/DE3217763A1/en
Publication of DE3217763A1 publication Critical patent/DE3217763A1/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Withdrawn legal-status Critical Current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 
    • F03D3/02—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  having a plurality of rotors
    • 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 
    • F03D3/04—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  having stationary wind-guiding means, e.g. with shrouds or channels
    • 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

Abstract

The upstream wind wedge in front of the rotors of the wind wheel serves to improve the air stream flowing onto the rotors and significantly extends the working range of the rotors whilst at the same time shielding the parts of the rotors turning in the wind shadow of the wind triangle. In addition the mechanical stressing of the entire wind wheel system has been reduced by the wind wedge and this contributes to the reduction in the wind noise. By means of these improvements the efficiency of the wind wheel is considerably improved.

Description

Beschreibung.Description.

Die Erfindung betrifft ein Windrad mit gegenlaufigen Rotore,denen ein Windkei@ zentral vorgelagert ist.The invention relates to a wind turbine with counter-rotating rotors, which a Windkei @ is centrally located upstream.

Solche Windräder benötigen eine spezielle Strömu@gs= führung und Strömungsverteilung zur Umwandlung der der Windenergie,über das Windrad,in andere Energien.Such wind turbines require special flow guidance and flow distribution to convert the wind energy, via the wind turbine, into other energies.

lerartige Windräder sind hinreichen bekannt als Wind= anenomcter,Savoniusrotore über @@d nebeneinander,mit um 90° versetzten Rotorschaufeln und der Übergang hier= zu als durchgehende Schnecken.Ler-like wind turbines are well known as wind = anenomcter, Savonius rotors via @@ d next to each other, with rotor blades offset by 90 ° and the transition here = to as continuous snails.

Alle angeführten Systeme kranken daran,daß sie mit der konkaven Seite der Rotore in Drearichtung arbeiten mit der Geschwindigkeit (v - u ) unci auf der a@ deren Seite cer Achse den Rücklauf haben mit der Geschwindigkeit ( v + u ), ( y = Windgeschwindigkeit,ü = Umfangsgesch).All the systems mentioned suffer from the fact that they have the concave side the rotors in the Drearichtung work with the speed (v - u) unci on the a @ whose side cer axis have the return travel with the speed (v + u), ( y = wind speed, ü = circumferential speed).

Ferner wird die Strömungsgeschwindigkeit in Achsnähe soweit vermindert,daß von einem Stillstand der Luft ge= sprochen werden kann,der dann auch noch nacn der falschen Seite Hin beschleunigt wird. Die Ausbeute der eingefangehen Windenergie ist entsprechen gering.Furthermore, the flow velocity is reduced near the axis to such an extent that one can speak of a standstill of the air, which then also occurs after wrong side is accelerated. The yield of the captured wind energy is correspondingly low.

Der Erfindung liegt die Aufgabe zugrunde,durch den Wind= keil und durch eine Steigung der Rotorblätter der zuflies= senden Luft und auch der abfließanden Luft Strömungsbe= dingungen anzubieten,daß die Rotore in der Lage sind,der zugeführten Windenergie ein optimum an nutzbringender = Energie zu entziehen.The invention is based on the object by the wind = wedge and by an incline of the rotor blades of the inflowing air and also of the outflowing air To offer air flow conditions that the rotors are able to cope with the Wind energy an optimum of useful = energy to be withdrawn.

Ferner soll die Windkraftanlage den schwankenden Wind= richtungen besser folgen,die mechanischen Beiastungen herabgesetzt und die Windgeräusche vermindert werden.Furthermore, the wind power plant is supposed to handle the fluctuating wind directions follow better, the mechanical loads are reduced and the wind noise is reduced will.

Diese Aufgaben werden erfindungsgemäß dadurch gelöst, daß ein Windkeil (1) den Rotoren (2)+(3) vorgeschaltet ist.These objects are achieved according to the invention in that a wind wedge (1) the rotors (2) + (3) is connected upstream.

Ein solcher Windkeil (1) ist aerodynamisch geformt,ent= sprechend angeordnet,zieht sich über die gan@e Länge der Rotore hinweg,besitzt an den Außenseiten Ablaufstreifen (7) und nimmt in seinem Innern die Hauptdrehachse (10) mit Verstärkung (12) auf.Such a wind wedge (1) is aerodynamically shaped, accordingly arranged, extends over the entire length of the rotors, has on the outside Drainage strip (7) and takes in its interior the main axis of rotation (10) with reinforcement (12) on.

Die Rotore (2)+(3) weisen eine Steigung auf, derart, daß der hoher liegende Teil voreilt in Drehrichtung gesehen (12) .The rotors (2) + (3) have a slope, such that the higher lying part leads in the direction of rotation (12).

Durch den vorgelagerten Windkeil (1) wird der Arbeit= bereich und die Anblasrichtung der drehenden Rotore (2) +(3) erweitert und verbessert,sowie die im Windschat= ten (9) laufenden Rotorblätteranteile gewollt abge= schirmt sind, Durch die Ablaufstreifen (7) ist eine genaue Einstellung des Windkeils und der Strömung (8) an die Rotore (2)+ (3) möglich.The upstream wind wedge (1) makes the work area and the blowing direction of the rotating rotors (2) + (3) expanded and improved, as well the rotor blade parts running in the windshield (9) are deliberately shielded, The drainage strips (7) enable the wind wedge and the current to be set precisely (8) on the rotors (2) + (3) possible.

Mit Hilfe des Windkeils (1) wird die Einstellung des leelaufenden Windrades quer zur Windrichtung peschleu= nigt und verbessert.With the help of the wind wedge (1) the setting of the idle The wind turbine accelerates and improves transversely to the wind direction.

Durch die voreilende Einstellung (12) der Rotorblat= ter (2) + (3) wird ein absoluter Stau der Luftström= und verhindert.Due to the leading setting (12) of the rotor blades (2) + (3) an absolute stagnation of the air flow = and is prevented.

Ausführungsbeispiele der Erfindung sind in der Zeich= nung dargestellt und werden im folgenden n@her be= schrieben: ES zeigen, Fig. 1 das Windrad mit Windkeil (1),dem Windschatten(@) und den abgelenkten Luftströmungen (8) ( Beide Rotore (2)+(3) sind aus dem Windrad her= ausgenommen zur Darstellung des Strömung (8) ).Embodiments of the invention are shown in the drawing = voltage and are described in more detail below: ES show, Fig. 1, the wind turbine with wind wedge (1), the slipstream (@) and the deflected air currents (8) (both rotors (2) + (3) are from the wind turbine = except for the representation of the flow (8)).

Fig. 2 das gleich Bild wie in Fig. 1 dargestellt,aur die Rotore (2) + (3) sind eingezeichnet.Fig. 2 the same picture as shown in Fig. 1, aur the rotors (2) + (3) are shown.

Der etwas andere Strömungsverlauf ist dar e= stellt. The somewhat different flow course is represented by e = represents.

Klein " # " deutet die Drehrichtung @@. Small "#" indicates the direction of rotation @@.

Beide Rotore (2) + (3) sind mechanisch fest miteinander gekuppelt,so daß sie sich gegen= seitig nicht erreichen könnem. Both rotors (2) + (3) are mechanically tightly coupled to one another, see above that they cannot reach each other.

Fig. 3 das gleiche Bild wie Fig.2,nur sind die Ro= tore (2) + (3) um 30°entsprechend weiter@e= dreht.Der Strömungsverlauf ist angedeutet. Fig. 3 is the same as Fig. 2, only the rotors are (2) + (3) further rotates by 30 ° @ e = The flow course is indicated.

Fig. 4 das gleiche Bild wie Fig.2,.Die Teile sind et= was größer gezeichnet.Am Rotor (3) ist ein Teil der Flache (12) dargestellt,wobei der höher= liegende Rotorabschluß als voreilend in Dreh= richtung zu sehen ist.Fig. 4 shows the same picture as Fig. 2,. The parts are et = which is drawn larger. Am Rotor (3) is a part of the surface (12) shown, the higher = the rotor end can be seen as leading in the direction of rotation.

Die Achse (10) ist die Hauptdrehachse des Wind= rades.Um dies Achse (10) schwenkt das Windrad und folgt der Winddrehung. The axis (10) is the main axis of rotation of the wind wheel. Around this axis (10) swivels the wind turbine and follows the wind's turn.

Teil (11) ist eine Verstärkung für die Haupt= drehachse (10) . Part (11) is a reinforcement for the main = axis of rotation (10).

Claims (7)

Patentansprüche.Claims. 1 Windrad mit Windkeil und Dop@@elrotor als Schra@@eh-oder Savonius-Rotor, dadurch gekennzeichnet, daß @@r Windkeil (1) zentral vor den Rotoren (2) + (3) a@@eordaet ist.1 wind turbine with wind wedge and Dop @@ elrotor as a Schra @@ eh or Savonius rotor, characterized in that @@ r wind wedge (1) centrally in front of the rotors (2) + (3) a @@ eordaet is. 2 Windk@@@ nach Anspruch 1 dadurch gekennzeichnet, daß der Windkeil(1)einen ser @recnten Ab@tand"b" kleiner "r" Radius der Rotor (2)+(3) @ t:,von der Verbindungslinie der Rotorachsen (4)+(5) und der Verbindungslinie der Enden der Ablaufstreifen (7). 2 Windk @@@ according to claim 1, characterized in that the wind wedge (1) a ser @recnten From @ tand "b" smaller "r" radius of the rotor (2) + (3) @ t:, from the connecting line the rotor axes (4) + (5) and the line connecting the ends of the drainage strips (7). Wind rad nach Anspruch 1 dadurch gekennzeichnet, daß der Windkeil(1)die zufließende Luftströmung seitlich begrenzt ablenkt. Wind wheel according to claim 1, characterized in that the wind wedge (1) the inflowing air flow deflects to a limited extent laterally. Windrad nach Anspruch 1 dadurch gekennzeichnet, als er Windkeil(1) hinter sich einen definierte Windschatten (9) hervorruft. Wind turbine according to Claim 1, characterized in that it has a wind wedge (1) behind it creates a defined slipstream (9). 5 Windrad nach Anspruch 1 dadurch gekennzeichnet, daß der Windkeil (1) bei Winddrehung eine unter= schiedliche Windströmung den Rotoren (2)+(5) zuweist. 5 wind turbine according to claim 1, characterized in that the wind wedge (1) assigns a different wind flow to the rotors (2) + (5) when the wind changes. 6 Windrad nach Anspruch 1 dadurch gekennzeichnet, daß der Windkeil Ablaufstreifen (7) besitzt.6 wind turbine according to claim 1, characterized in that the wind wedge Has drainage strips (7). 7 Windrad nach Anspruch 1 dadurch gekennzeichnet, daß der Windkeil (1) die Hauptdrehachse (10) des Windrades in sich aufnimmt und daß ganze System-Windrad um diese Achse (10) drehbar ist. 7 wind turbine according to claim 1, characterized in that the wind wedge (1) the main axis of rotation (10) of the wind turbine takes up and that whole system wind turbine is rotatable about this axis (10). Windrad nach Anspruch 1 dadurch gekennzeichnet, daß die Rotorblätter (12) eine Steigung in Dreh= richtung haben. Wind turbine according to Claim 1, characterized in that the rotor blades (12) have a slope in the direction of rotation.
DE19823217763 1982-05-12 1982-05-12 Wind wheel with wind wedge and double rotor as screw or savonius rotor Withdrawn DE3217763A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19823217763 DE3217763A1 (en) 1982-05-12 1982-05-12 Wind wheel with wind wedge and double rotor as screw or savonius rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823217763 DE3217763A1 (en) 1982-05-12 1982-05-12 Wind wheel with wind wedge and double rotor as screw or savonius rotor

Publications (1)

Publication Number Publication Date
DE3217763A1 true DE3217763A1 (en) 1983-02-24

Family

ID=6163320

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823217763 Withdrawn DE3217763A1 (en) 1982-05-12 1982-05-12 Wind wheel with wind wedge and double rotor as screw or savonius rotor

Country Status (1)

Country Link
DE (1) DE3217763A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1019855C2 (en) * 2001-06-13 2002-12-16 Ngup Holding B V Wind turbine rotor, has specific rotor blade length to rotor diameter ratio
NL1018281C2 (en) * 2001-06-13 2002-12-16 Ngup Holding B V Wind turbine rotor, has specific rotor blade length to rotor diameter ratio
DE102012005231A1 (en) 2012-03-15 2013-09-19 Manfred Hanisch Wind turbine for generating electrical energy from wind energy, has vertical axis and wind guiding case that rotates with rotor blades and has depressions, where wind guiding case is circulated before rotor blades

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1019855C2 (en) * 2001-06-13 2002-12-16 Ngup Holding B V Wind turbine rotor, has specific rotor blade length to rotor diameter ratio
NL1018281C2 (en) * 2001-06-13 2002-12-16 Ngup Holding B V Wind turbine rotor, has specific rotor blade length to rotor diameter ratio
DE102012005231A1 (en) 2012-03-15 2013-09-19 Manfred Hanisch Wind turbine for generating electrical energy from wind energy, has vertical axis and wind guiding case that rotates with rotor blades and has depressions, where wind guiding case is circulated before rotor blades
DE102012005231B4 (en) 2012-03-15 2020-06-18 Manfred Hanisch Vertical axis wind turbine

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Legal Events

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OAV Publication of unexamined application with consent of applicant
8139 Disposal/non-payment of the annual fee