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WO1987002099A1 - Dispositif pour transformer l'energie eolienne de rotation en energie electrique - Google Patents

Dispositif pour transformer l'energie eolienne de rotation en energie electrique Download PDF

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Publication number
WO1987002099A1
WO1987002099A1 PCT/DE1985/000339 DE8500339W WO8702099A1 WO 1987002099 A1 WO1987002099 A1 WO 1987002099A1 DE 8500339 W DE8500339 W DE 8500339W WO 8702099 A1 WO8702099 A1 WO 8702099A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
hollow
wind
energy
vertical axis
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.)
Ceased
Application number
PCT/DE1985/000339
Other languages
German (de)
English (en)
Inventor
Wilhelm Reimann
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
Priority to DE3300049A priority Critical patent/DE3300049C2/de
Priority to DE19843412372 priority patent/DE3412372A1/de
Application filed by Individual filed Critical Individual
Priority to EP85904959A priority patent/EP0238486A1/fr
Priority to PCT/DE1985/000339 priority patent/WO1987002099A1/fr
Publication of WO1987002099A1 publication Critical patent/WO1987002099A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • F03D3/062—Rotors characterised by their construction elements
    • 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 
    • 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

Definitions

  • the invention relates to a device for converting rotational energy generated by wind into electrical energy with a rotor rotating about a vertical axis with hollow blades arranged in the plane of rotation.
  • wind energy converters A large number of so-called wind energy converters are known in theory and practice. There are two main types, depending on their axis of rotation:
  • a ring-like wind motor is known from US Pat. No. 1,430,406, which is mounted on pontoons or on a rail car and moves on a ring-shaped water channel or on rails with lateral support.
  • This system is rotated in a circle by flaps that are concavely profiled on both sides of the ring. In the return phase of the circuit, the flaps face the wind so that they offer hardly any resistance.
  • This wind motor also has a very low degree of efficiency, since the wind flows through the rotor.
  • a device is known from US Pat. No. 3,941,504 in which three or more inwardly placed and displaced on the edge of a basal, round disk - - Turned blades with only one upper corner each are fastened to a bush which is supported by a ball at the upper end of the fixed axis.
  • a ball bearing ring on the basal disc enables fast rotations.
  • the upper, free ends of the leaves are placed outside as a windscreen.
  • a further embodiment of a wind energy converter with a vertical axis is shown in DE-OS 31 17 875.
  • two "interlocking" shells are arranged in such a way that the special shape creates a nozzle effect of the inflowing air, while the outflowing air affects the opposite shell is passed.
  • a wind energy converter is known from DE-OS 33 00 049.2-15, which consists of a hollow body with hollow blades and has a very high efficiency.
  • the inventor has set himself the goal of improving this wind converter in such a way that it responds to low wind speeds even with a smaller version.
  • each hollow blade ends in a cutout similar to a hollow shell, in which a gyroscopic wheel rotates by one vertical axis rotates.
  • These peripheral gyros are driven by weak winds of 1.5 to 3 m / sec. and also brought to rotation from the control center by electric motors and serve as a starting aid after a calm wind or to bridge a calm in order to utilize the Coriolis force as far as possible.
  • these gyros can also supply electricity to a small extent.
  • the cutout takes the form of a hollow shell, a hollow shell which corresponds to approximately a quarter of a hollow sphere being preferred.
  • a certain wind acceleration can take place in this hollow shaft, which has a favorable effect on the rotation of the rotor wheels.
  • the rotary wheel can in turn have any shape, but a bipyramidal shape is preferred.
  • the gyro wheel is arranged in the cutout in a smooth-running bearing. In cross section, the gyro should have a tri, tetra or polygonal shape.
  • the individual hollow blades can also be turned spirally.
  • Such rotors are preferably arranged on towers. Their placement is conceivable not only in connection with new tower structures, but above all the equipment of existing tower structures such as television towers, water towers or the like. possible. In this respect, these rotors can be arranged very high from the ground, so that their use of wind is made more efficient. Tower heights of 100 to 300 m are contemplated, since at these heights an average annual wind speed of 8-10 m / sec. depending on the location is to be expected.
  • the structure of the rotor, its support structure and its outer skin must be adapted to the respective circumstances. Particular attention should be paid to increasing the service life.
  • the storage of the rotor and the regulation of its speed are likewise carried out according to the latest state of the art, as is the power transmission from the rotor to the generators installed in or on the tower head.
  • the size that is to say the ratio of the height and width of the rotor to one another, or its turning circle diameter, must be optimized by the shape of the blades with respect to the arc of curvature in the wind tunnel.
  • Fig.l is an elevation of a device according to the invention in the position of use
  • Fig. 2. a so-called carpenter section of an exemplary embodiment of a device according to the invention
  • FIG. 3 shows a partially shown cross section through a further exemplary embodiment of a device according to the invention.
  • FIG. 5 shows a cross section of a further exemplary embodiment of a device according to the invention in a different position of use
  • FIG. 6 shows a plan view of the device according to FIG. 2;
  • FIG. 7 shows a view of the device according to FIG. 2 from below.
  • a device R essentially consists of a rotor 1 which rotates about a vertical axis A.
  • three hollow blades 2 are arranged in a plane of rotation B in the present exemplary embodiment according to FIG.
  • the rotor 1 has a bipyramidal shape, with the respective tips 3 and 4 lying on the axis A.
  • the rotor 1 would have a trigonal shape.
  • the hollow blades 2 have the shape similar to a curved ge arrowhead, each 'hollow blade is provided with a cutout 5 spitzenitzrtigen. 2
  • the shape of the hollow bucket 2 implies that this cut-out 5 receives the form of a hollow shell, the 'size can vary depending on the shape of the hollow blade. 2
  • a rotor 6 rotates about a vertical axis C.
  • This rotor 6 can have a shape and configuration similar to that of the rotor 1 with its hollow blades, but the inventive concept is not limited to this.
  • the rotor 1 is inserted into a tower 7, the axis of which coincides with the axis A.
  • FIG. 2 shows a so-called joiner's section of an embodiment of an upper half of a rotor 1.
  • the rotor wheels 6 arranged in the tips of the hollow blades 2 are also visible.
  • FIG. 3 shows the internal structure of a rotor, which, however, is placed on the tip 7a of a tower in this exemplary embodiment.
  • bearing shells for the rotor la are indicated. Otherwise, the rotor 1a or the hollow blades are traversed by a supporting skeleton 9.
  • Chambers 10 serve to accommodate generators and control systems. Furthermore, lifts 11 are provided for the transport of loads and operating personnel.
  • Figure 4 illustrates in a diagram the performance of two rotors according to the invention, one rotor with an efficiency cp of 0.3. It is known that today rotors can already have an efficiency of up to 0.55.
  • the wind speed on the x-axis is in m / sec. entered, the generated megawatts on the y-axis.
  • FIG. 5 shows the attachment of a further exemplary embodiment of a rotor 1b, for example to a television tower 7b.
  • Corresponding bearings with which the rotor 1b surrounds the television tower 7b are not shown in detail, the rotor 1b rotating around the television tower.
  • the rotor wheels 6b are sunk into a deep cutout 5b in the hollow blades 2b. This means that they are not exposed to unfavorable weather conditions such as rain, snow, hail or the like.
  • the axis C of the impeller 6b can be tilted by 90 °.
  • the rotor should be able to be used to brake the entire rotor if, for example, certain wind speeds are exceeded. This is done by own generator braking or by DC motor braking.
  • the necessary supporting skeleton 9b for the rotor 1b can also be seen in FIG.
  • FIG. 7 shows the lower part of the rotor 1b, a bearing ring 14 here being adapted to the enlarged diameter of the television tower 7b. It is not shown in any of the exemplary embodiments that the rotor is connected to a motor which drives the rotor when the wind is calm or when the rotor starts up.

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

Le dispositif de transformation de l'énergie éolienne de rotation en énergie électrique comporte un rotor à axe vertical muni d'aubes creuses. Chaque aube creuse (2) présente en coupe une forme similaire à une coupe creuse qui se termine dans un évidement (5) dans lequel tourne une toupie (6) autour d'un axe vertical (C).
PCT/DE1985/000339 1983-01-03 1985-09-27 Dispositif pour transformer l'energie eolienne de rotation en energie electrique Ceased WO1987002099A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE3300049A DE3300049C2 (de) 1983-01-03 1983-01-03 Vorrichtung zum Umwandeln von durch Wind erzeugter Rotationsenergie in elektrische Energie
DE19843412372 DE3412372A1 (de) 1983-01-03 1984-04-03 Verfahren und windenergiekonverter zur wirtschaftlichen nutzung der kinetischen energie der coriolis- und der zentrifugalkraft mit hilfe des windkreisels (wk)
EP85904959A EP0238486A1 (fr) 1985-09-27 1985-09-27 Dispositif pour transformer l'energie eolienne de rotation en energie electrique
PCT/DE1985/000339 WO1987002099A1 (fr) 1985-09-27 1985-09-27 Dispositif pour transformer l'energie eolienne de rotation en energie electrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE1985/000339 WO1987002099A1 (fr) 1985-09-27 1985-09-27 Dispositif pour transformer l'energie eolienne de rotation en energie electrique

Publications (1)

Publication Number Publication Date
WO1987002099A1 true WO1987002099A1 (fr) 1987-04-09

Family

ID=6776150

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1985/000339 Ceased WO1987002099A1 (fr) 1983-01-03 1985-09-27 Dispositif pour transformer l'energie eolienne de rotation en energie electrique

Country Status (2)

Country Link
EP (1) EP0238486A1 (fr)
WO (1) WO1987002099A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5037268A (en) * 1988-05-31 1991-08-06 Fenlon Robert M Dual axis wind turbine
US5634651A (en) * 1994-12-09 1997-06-03 Universidad Catolica De Valparaiso Land transportation device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB211766A (fr) * 1923-03-13 1924-02-28 N.V. Instituut Voor Aero-En Hydro-Dynamiek
US3941504A (en) * 1974-08-28 1976-03-02 Snarbach Henry C Wind powered rotating device
DE2915780A1 (de) * 1979-04-19 1980-10-30 Lvu Gmbh Vertikalachs-windturbine
DE3300049A1 (de) * 1983-01-03 1983-07-14 Wilhelm Dr. 7750 Konstanz Reimann Windkreisel, ein windenergiekonverter mit vertikaler achse fuer alle groessen bis in den 100 mw-bereich

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB211766A (fr) * 1923-03-13 1924-02-28 N.V. Instituut Voor Aero-En Hydro-Dynamiek
US3941504A (en) * 1974-08-28 1976-03-02 Snarbach Henry C Wind powered rotating device
DE2915780A1 (de) * 1979-04-19 1980-10-30 Lvu Gmbh Vertikalachs-windturbine
DE3300049A1 (de) * 1983-01-03 1983-07-14 Wilhelm Dr. 7750 Konstanz Reimann Windkreisel, ein windenergiekonverter mit vertikaler achse fuer alle groessen bis in den 100 mw-bereich

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5037268A (en) * 1988-05-31 1991-08-06 Fenlon Robert M Dual axis wind turbine
US5634651A (en) * 1994-12-09 1997-06-03 Universidad Catolica De Valparaiso Land transportation device
US5860663A (en) * 1994-12-09 1999-01-19 Universidad Catolica De Valparaiso Av. Brasil Land transportation device

Also Published As

Publication number Publication date
EP0238486A1 (fr) 1987-09-30

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