GB2425153A - Wind turbine(s) mounted on a lattice tower - Google Patents

Wind turbine(s) mounted on a lattice tower Download PDF

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Publication number
GB2425153A
GB2425153A GB0525292A GB0525292A GB2425153A GB 2425153 A GB2425153 A GB 2425153A GB 0525292 A GB0525292 A GB 0525292A GB 0525292 A GB0525292 A GB 0525292A GB 2425153 A GB2425153 A GB 2425153A
Authority
GB
United Kingdom
Prior art keywords
tower
fan
lattice
wind
rotation
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Withdrawn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
GB0525292A
Other versions
GB0525292D0 (en
Inventor
Leon J Robinson
Simon T Wyatt
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 claimed from GB0507406A external-priority patent/GB0507406D0/en
Application filed by Individual filed Critical Individual
Publication of GB0525292D0 publication Critical patent/GB0525292D0/en
Publication of GB2425153A publication Critical patent/GB2425153A/en
Withdrawn legal-status Critical Current

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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
    • 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
    • F03D11/04—
    • 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 
    • F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  the axis being vertical
    • 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
    • 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
    • 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
    • F05B2240/213—Rotors for wind turbines with vertical axis of the Savonius 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
    • F05B2240/40—Use of a multiplicity of similar components
    • 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
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
    • F05B2240/911—Mounting on supporting structures or systems on a stationary structure already existing for a prior purpose
    • 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
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
    • F05B2240/912—Mounting on supporting structures or systems on a stationary structure on a tower
    • F05B2240/9121—Mounting on supporting structures or systems on a stationary structure on a tower on a lattice tower
    • 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
    • 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)
  • 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)
  • Power Engineering (AREA)
  • Wind Motors (AREA)

Abstract

A wind turbine comprises at least one wind driven rotor 106 coupled to an electrical generator 108 and supported by a lattice tower 100, preferably an electricity pylon. The axis of the turbine rotor(s) 106 may be aligned with a longitudinal (vertical) axis of the tower 100. Alternatively, or in addition, the turbine rotor(s) 106 may be positioned within the lattice tower 100. Alternatively the turbine rotor(s) 106 may be positioned outside of the tower 100 (figures 3 and 4). A plurality of rotors 106 may be provided (figures 3 and 4), each rotor 106 being capable of independent rotation and each coupled to a separate generator 108. Each turbine rotor 106 may be coupled to two generators 108, one at each end of its rotational axis. Blades of the turbine rotor 106 may be curved or planar.

Description

WIND TURBINE APPARATUS
Field of the Invention
The present invention relates to wind turbine apparatus and in particular, although not exclusively, to a wind turbine mounted at a lattice tower.
Background to the Invention
In response to the increasing pressure placed upon industry to move towards renewable energy sources in favour of conventional fossil fuels, wind farms have emerged as a suitable environmentally friendly energy source.
Commonly, wind turbines have three rotor blades fixed to a horizontally mounted main shaft. Typically, a blade of a conventional wind turbine is anywhere between 25 to 39 meters long being configured to catch as much wind as possible. The horizontally mounted main shaft projects into a gear box which translates the relatively slow revolutions of the main shaft into a faster axial rotation. The gear box is, in turn, linked via a small shaft to a conventional generator comprising magnets and coiled copper configured to convert mechanical energy into electricity.
The main shaft, gear box and generator are housed within a horizontally aligned casing which, in turn, is mounted on top of a long pole-like pylon extending from foundations below ground level to a height sufficient to suspend the rotor blades a safe, clear distance from the ground. The electricity generated by the generator may then be routed to a desired location.
A number of significant disadvantages are associated with conventional wind turbines.
In order to generate sufficient electricity a large number of wind turbines are required in any one wind farm. These farms are typically located within rural P1 539.Spec as filed environments commonly occupying exposed, elevated positions with which large, negative visual implications are associated.
Additionally, when constructing wind farms, planning permission and substantial site excavation is required to support the large pylons.
What is required therefore is apparatus configured to convert the energy of the wind into mechanical and electrical energy without the above disadvantages.
Summary of the Invention
The inventors provide apparatus configured to convert the energy of the wind into mechanical and electrical energy via the utilisation of existing lattice tower structures such as electricity pylons and telecommunications towers.
The term lattice tower' includes any tower, in particular electricity or telecommunication tower constructed from modular, in particular steel, struts to form a lattice network. Typical lattice towers comprise a cross section that decreases progressively from ground level to an uppermost region whereby the modular struts define a hollow internal cavity extending centrally from ground level to the uppermost region of the tower.
Existing lattice towers may be erected according to a modular construction whereby it is possible to erect a tower of desired height/size by the interconnecting or stacking of appropriately sized lattice tower modular units. The present invention is therefore useable with a lattice tower of any shape or size and in particular a modular constructed lattice tower built from a plurality of separate, vertically stacked segments.
By providing a wind sail power generation system compatible for integration with an existing lattice tower, the need to construct new, purpose designed pylons to support the rotor blades is obviated. Accordingly the disadvantages P1539 Spec as filed associated with erecting conventional wind turbines are avoided. In particular, as the present invention utilises existing lattice structures, and preferably electricity pylons, electricity transfer to the main grid could utilise existing apparatus located at the electricity pylon with very little additional cabling required.
As there is no need to excavate the site to prepare the subterranean foundations for the conventional wind turbine pylon a significant reduction in installation time and cost is achieved. Moreover, the overall cost of installing the renewable energy source harnessing system according to the present invention is reduced as there is no land acquisition or land leasing costs.
In contrast to the conventional wind turbines the present invention utilises rotor blades mounted in a substantially vertical axis of rotation. In particular, the rotor blades may be mounted within the hollow region formed centrally within the lattice tower. Such a configuration does not have the large negative visual impact as with conventional wind turbines as the rotor blades do not project from within the body of the lattice tower which is already erected and avoids the need to erect a further tower.
According to further specific implementations, the wind energy collection units (fans) of the present invention may be mounted at an exterior position of the lattice tower, e.g. suspended from the side or mounted on top of the tower.
Moreover, the lattice tower of the present invention may comprise a plurality of the fan units configured for rotation in a substantially vertical axis being aligned substantially parallel to the vertical axis of the lattice tower. Each of the plurality of fan units is configured for independent rotation by the wind so as to maximise wind collection and hence electricity generation in response to both variations in wind speed and direction. Accordingly, the present invention may comprise a plurality of different sized and shaped wind energy collection units mounted at different positions within and/or on the lattice tower.
P1539.Spec as filed According to first aspect of the present invention there is provided a lattice tower capable of being erected such that said tower extends upwardly from the ground in a direction along the length of said tower, said tower having at least one wind energy collection unit mounted at said tower, said collection unit comprising: a fan capable of rotation by the wind, said fan having a rotational axis substantially aligned with said length of said tower; and an electricity generator coupled to said fan configured to generate electricity in response to rotation of said fan by said wind.
Preferably, the fan is mounted within the lattice tower and aligned coaxially with the longitudinal axis of the lattice tower. Preferably, the fan comprises a rotational axis aligned substantially parallel with the longitudinal axis of the lattice tower.
Optionally, each wind energy collection unit may comprise a plurality of electricity generators coupled to each fan. Preferably, a first electricity generator is coupled towards a first end of the fan and a second electricity generator is coupled to a second end of the fan. Accordingly, the first and second electricity generators are capable of generating electricity independently in response to rotation of the fan by the wind.
The fan unit of the present invention may comprise a plurality of identical fan blades. The fan blades may be curved or substantially planar according to fan units known in the art configured for rotation by the wind.
According to a second aspect of the present invention there is provided a lattice tower capable of being erected such that said tower extends upwardly from the ground in a direction along the length said tower, said tower having at least one wind energy collection unit mounted at said tower, said collection unit comprising: a fan capable of rotation by the wind, said fan mounted and capable P1539.Spec as filed of rotation within said tower; and an electricity generator coupled to said fan configured to generate electricity in response to rotation of said fan by said wind.
Preferably, the fan mounted within the lattice tower does not extend beyond the central cavity region extending along a portion of the length of the lattice tower. Moreover, the fan is positioned such that the fan blades are capable of rotation within the central cavity region.
According to known wind turbines, the present invention may further comprise a gear box mounted between the fan unit and the electricity generator.
The energy collection unit may further comprise a mechanical break to regulate the speed of rotation of the fan unit and at least one computer controller configured to control the energy collection unit. The device may further comprise an anemometer, a yaw bearing and/or a cooling radiator.
As will be appreciated by those skilled in the art, the lattice tower may further comprise suitable apparatus configured to transfer the electricity generated from the electricity generator of the present invention to a suitable energy receiving destination, e.g. the national grid.
Brief Description of the Drawings
For a better understanding of the invention and to show how the same may be carried into effect, there will now be described by way of example only, specific embodiments, methods and processes according to the present invention with reference to the accompanying drawings in which: Fig 1 herein illustrates a side elevation view of an existing electricity lattice tower comprising a wind energy collection unit according to one specific implementation of the present invention; P1539.Spec as filed Fig 2 herein illustrates a perspective view of a fan unit of the wind energy collection unit according to the specific implementation of the present invention of fig I herein; Fig 3 herein illustrates a side elevation view of an existing electricity lattice tower comprising a plurality of wind energy collection units suspended from the side of the lattice tower body according to a further specific implementation of the present invention; Fig 4 herein illustrates a side elevation view of an existing electricity lattice tower comprising a plurality of wind energy collection units mounted at the side of the lattice tower main body according to a further specific implementation of the present invention.
Fig 5 herein illustrates a side elevation view of the wind energy collection unit according to a further specific embodiment of the present invention comprising a double gear box assembly and an electricity generator.
Detailed Description
There will now be described by way of example a specific mode contemplated by the inventors. In the following description numerous specific details are set forth in order to provide a thorough understanding. It will be apparent however, to one skilled in the art, that the present invention may be practiced without limitation to these specific details. In other instances, well known methods and structures have not been described in detail so as not to
unnecessarily obscure the description.
Fig 1 herein illustrates a side elevation view of a lattice tower configured to support a plurality of overhead electricity cables (not shown). The lattice tower 100 comprises a main tower body 101 formed and supported by a plurality of lattice struts 105 manufactured from steel. Struts 105 are secured together using P1539.Spec as filed suitable rivets or bolts to form a lattice network. The lattice tower projects upwardly from ground level 110. Towards an upper region of the lattice tower, a plurality of electricity cable support arms 102, 103, 104 are positioned aligned substantially perpendicular to the upwardly extending main body 101. Support arms 102, 103, 104 are similarly constructed from individual lattice struts 105.
According to conventional lattice tower construction, the lattice struts 105 are connected together to form the main body such that a substantially central hollow portion is created extending within the length of main body 101. According to the specific implementation of the present invention a wind energy collection unit is housed substantially within the hollow cavity region formed within main body 101.
The wind energy collection unit comprises a fan unit 106 coupled to an electricity generator 108 via a suitable shaft 107. Means 109 are provided to mount the wind energy collection unit within the lattice tower. According to the specific implementation of the present invention fan unit 106 and electricity generator 108 are housed entirely within the main body 101 whereby fan unit 106 is configured for rotation in a direction substantially parallel to the length of the lattice tower and in particular main body 101. This is in contrast to known wind turbines in which the rotor blades are mounted and configured for rotation in a direction perpendicular to the length of the supporting pylon.
In use, wind incident on the lattice tower and in particular the wind energy collection unit causes fan 106 to rotate which in turn provides rotation of shaft 107. A gear box (not shown) translates the rotational motion of shaft 107 to a further high-speed rotatable shaft coupled to the electricity generator according to known apparatus and method. Suitable means (not shown) transfer the electricity generated at generator 108 to a suitable energy receiving location, in particular the national grid.
P1539.Spec as filed Fig 2 herein illustrates a perspective view of the fan unit of figure 1 herein.
Fan blades 106 extend radially outward from a centrally mounted fan axle 107.
According to the specific implementation of the present invention six fan blades are distributed evenly around shaft 107. Fan blade 106 comprise at least one curved region 200 configured for enhanced wind collection.
According to further specific implementations of the present invention any fan blade configuration is useable with the present invention involving the use of fan blades being planar or comprising a plurality of curved regions. Moreover, a number of independently rotatable fan units may be coupled in parallel via a common, centrally positioned shaft whereby the plurality of fan units, referring to figure 1 herein, may. extend substantially the length of main body 101 from ground level 110 towards the uppermost region 111.
Referring to figure 3 herein there is illustrated a side elevation view of the lattice tower of figure 1 herein according to a further specific implementation of the present invention. A plurality of wind energy collection units are positioned outside of the central cavity of the main body and extend from the sides of the lattice tower. Suitable support means 300 are provided at the base of each fan unit 106 with suitable support means 301 provided at an upper region of each fan unit configured to support both the fan and electricity generator 108.
According to further specific implementations of the present invention lattice tower 100 may comprise a plurality of wind energy collection units distributed at the side of main body 101 according to figure 3 herein and substantially within the main body 101 as illustrated with reference to figure 1 herein. The wind energy collection units may be further distributed along the length of the lattice tower from ground level 110 towards upper region 111.
Fig 4 herein illustrates a side elevation view of the lattice tower 100 of figures 1 and 3 herein comprising a plurality of wind energy collection units P1539.Spec as filed positioned outside the main body 101 towards an upper region 111 of the lattice tower according to a yet further specific implementation of the present invention.
According to the specific implementation of figure 4 herein the size of the fan units may be varied depending upon their relative positioning. Accordingly, the fan blades of a first wind energy collection unit may be broader and longer than the fan blades of a second wind energy collection unit. Positioning the collection units at the uppermost region of the lattice tower 110 may be advantageous where the wind speed is greater further from ground level 110.
Figure 5 herein illustrates a side elevation view of a further embodiment of the present invention having a first gear box 500 and a second gear box 501 mounted above and below fan 106, respectively. Each gear box comprises a plurality of gears 509, at least one gear being connected to the end of rotatable is shaft 107. The upper and lower gear box assemblies 500, 501 are housed independently within a suitable gear box housing 506.
The electricity generator 108 comprises generator unit 504, current regulator 503, electricity grid interface unit 502 and cooling unit 505 according to known electricity generator apparatus.
Each gear box assembly 500, 501 interfaces with a respective electricity generator 504 via axle 510. The rotational movement of fan shaft 107 causes movement of the gears 509 within each gear box 500, 501 which in turn provides rotation of shaft 510 and the subsequent generation of electricity at generator unit 504. The current generated at unit 504 is regulated by the regulator 503 and transferred to for example a national electricity grid via power interface 502. The temperature of the electricity generator is controlled by the cooling unit 505.
The wind energy collection unit further comprises a first axle bracing 507 positioned below fan 106 and an upper axle bracing 508 positioned above fan P1 539.Spec as filed 106, each axle bracing being connected to the fan shaft 107. Each axle bracing prevents unwanted lateral shaft movement and provides a means of controlling the rotational movement of fan 106.
According to the further specific implementation of the present invention each wind energy collection unit comprise a first electricity generator 108 positioned below fan 106 and a second electricity generator (not shown) positioned above fan 106. Each electricity generator is coupled to fan 106 via shaft 107, gear box 500, 501 and shaft 510. In use, rotation of fan 106 by the wind provides rotation of shaft 107 which in turn induces rotation of gears 509 causing rotation of shafts 510 and ultimately the generation of electricity at generator unit 504. Each electricity generator positioned above and below each fan is capable of the independent generation of electricity. The electricity output of this further embodiment is therefore approximately double that of the corresponding embodiment having only one electricity generator per fan unit.
P1539.Spec as filed

Claims (19)

  1. Claims 1. A lattice tower capable of being erected such that said tower
    extends upwardly from the ground in a direction along the length of said tower, said tower having at least one wind energy collection unit mounted at said tower, said collection unit comprising: a fan capable of rotation by the wind, said fan having a rotational axis substantially aligned with said length of said tower; and an electricity generator coupled to said fan configured to generate electricity in response to rotation of said fan by said wind.
  2. 2. The tower as claimed in claim 1 wherein said fan is mounted within said lattice tower.
  3. 3. The tower as claimed in claim 2 wherein said fan is mounted coaxially with the longitudinal axis of said lattice tower.
  4. 4. The tower as claimed in claim I wherein said fan is mounted at an exterior position at said lattice tower.
  5. 5. The tower as claimed in any preceding claim wherein said fan comprises a plurality of curved fan blades.
  6. 6. The tower as claimed in any preceding claim wherein said fan comprises a plurality of planar fan blades.
  7. 7. The tower as claimed in any preceding claim wherein said fan comprises a rotational axis aligned substantially parallel with the longitudinal axis of said lattice tower.
    P1 539 Spec as filed
  8. 8. The tower as claimed in any preceding claim comprising a first electricity generated coupled to said fan at a first end of said fan and a second electricity generator coupled to said fan at a second end of said fan.
  9. 9. The tower as claimed in any preceding claim comprising a plurality of fans capable of rotation by the wind, each of said plurality of fans having a rotational axis substantially aligned with the longitudinal axis of said lattice tower.
  10. 10. The tower as claimed in claim 9 wherein each said fan is capable of independent rotation.
  11. 11. The tower as claimed in claims 8 or 9 wherein each of said plurality of fans comprises a first electricity generator coupled to a first end of said fan and a second electricity generator coupled to a second end of each said fan.
  12. 12. The tower as claimed in any preceding claim comprising a plurality of wind energy collection units mounted at said tower.
  13. 13. A lattice tower capable of being erected such that said tower extends upwardly from the ground in a direction along the length said tower, said tower having at least one wind energy collection unit mounted at said tower, said collection unit comprising: a fan capable of rotation by the wind, said fan mounted and capable of rotation within said tower; and an electricity generator coupled to said fan configured to generate electricity in response to rotation of said fan by said wind.
    P1539.Spec as filed
  14. 14. The tower as claimed in claim 14 wherein said rotational axis of said fan is positioned coaxially with the longitudinal axis of said tower.
  15. 15. The tower as claimed in claim 13 wherein said rotational axis of said fan is aligned parallel with the longitudinal axis of said tower.
  16. 16. The tower as claimed in any one of claims 13 to 15 wherein said fan, mounted within said lattice tower does not extend beyond a central cavity region extending along a portion of said length of said lattice tower.
  17. 17. The tower as claimed in any one of claims 13 to 15 wherein said fan comprises a plurality of fan blades, said fan being positioned such that said fan blades are capable of rotation within a central cavity region formed by said lattice tower, said cavity region extending along a portion of said length of said lattice tower.
  18. 18. The tower as claimed in any one of claims 13 to 17 comprising at least two electricity generators, a first electricity generator coupled to said fan at a first end and a second electricity generator coupled to said fan at a second end.
  19. 19. The tower as claimed in any one of claims 11 to 15 comprising a plurality of fans capable of rotation by the wind, each said fan mounted and capable of rotation within said lattice tower.
    P1539.Spec as filed
GB0525292A 2005-04-13 2005-12-13 Wind turbine(s) mounted on a lattice tower Withdrawn GB2425153A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0507406A GB0507406D0 (en) 2005-04-13 2005-04-13 Wind turbine apparatus
GB0514145A GB0514145D0 (en) 2005-04-13 2005-07-11 Wind turbine apparatus

Publications (2)

Publication Number Publication Date
GB0525292D0 GB0525292D0 (en) 2006-01-18
GB2425153A true GB2425153A (en) 2006-10-18

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Family Applications (1)

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GB0525292A Withdrawn GB2425153A (en) 2005-04-13 2005-12-13 Wind turbine(s) mounted on a lattice tower

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009109107A1 (en) * 2008-03-04 2009-09-11 南京宇能仪表有限公司 A wind power generating system
US20090250938A1 (en) * 2007-11-28 2009-10-08 Stone Jr George G Wind turbine incorporated in an electric transmission tower
GB2459329A (en) * 2008-04-22 2009-10-28 Timothy P Daniels Power generating wind turbine mounted on an electric pylon of a power transmission network
US20100230975A1 (en) * 2009-03-13 2010-09-16 Kemah Power, LLC Vertical-Axis Wind Power Turbine System
WO2010130947A3 (en) * 2009-05-11 2011-03-31 Iosis Concept Wind turbine with a rotational axis perpendicular to the direction of the wind
EP2305997A2 (en) 2009-09-28 2011-04-06 UK Wind Energy Limited Electricity generation
NL2003648C2 (en) * 2009-10-15 2011-04-18 Univ Delft Tech Foundation for an offshore windmill as well as offshore windmill system, having such a foundation.
US20110302879A1 (en) * 2010-06-15 2011-12-15 Baker Brookes H Method for erecting a facility for producing electrical energy from wind
EP2412972A1 (en) * 2010-07-29 2012-02-01 Jia-Yuan Lee Vertical axial wind power generation device
CN102840108A (en) * 2012-07-31 2012-12-26 李树广 High-altitude tower embedded type vertical type wind power generation system
US8931235B2 (en) 2010-06-15 2015-01-13 Brookes H. Baker Method for erecting a facility producing electrical energy from wind
ES2624727A1 (en) * 2016-01-13 2017-07-17 Josë Antonio TORRECILLA CONTRERAS Wind turbine double shaft capture system (Machine-translation by Google Translate, not legally binding)
WO2019016417A1 (en) * 2017-07-17 2019-01-24 Torrecilla Contreras Jose Antonio System of rotor, transmission and collection elements that optimises a vertical-axis wind turbine

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DE29520150U1 (en) * 1995-12-19 1996-02-22 Haebler Andreas Dipl Ing Wind turbine system with a vertical axis of rotation
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DE19604476A1 (en) * 1996-02-08 1997-09-25 Reinhard Goepfert Wind-powered generator e.g. for high output power
EP1544461A1 (en) * 2003-12-19 2005-06-22 Chen Chih-Fong Apparatus for generating electric power using wind energy
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Publication number Priority date Publication date Assignee Title
DE4106976A1 (en) * 1991-03-05 1992-09-10 Arneth Borros Wind power plant with rotors on horizontal or vertical axes - has rotors at different levels on HV mast, driving generators connected by transformers etc. to grid lines
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WO2019016417A1 (en) * 2017-07-17 2019-01-24 Torrecilla Contreras Jose Antonio System of rotor, transmission and collection elements that optimises a vertical-axis wind turbine
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