US20110135459A1 - Continuous-Flow Energy Installation, in Particular a Wind Power Installation - Google Patents
Continuous-Flow Energy Installation, in Particular a Wind Power Installation Download PDFInfo
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- US20110135459A1 US20110135459A1 US13/056,802 US200913056802A US2011135459A1 US 20110135459 A1 US20110135459 A1 US 20110135459A1 US 200913056802 A US200913056802 A US 200913056802A US 2011135459 A1 US2011135459 A1 US 2011135459A1
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Images
Classifications
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- 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
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- 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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B17/00—Other machines or engines
- F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
- F03B17/062—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction
- F03B17/063—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction the flow engaging parts having no movement relative to the rotor during its rotation
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- 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
- F03D3/0436—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 for shielding one side of the rotor
- F03D3/0445—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 for shielding one side of the rotor the shield being fixed with respect to the wind motor
- F03D3/0454—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 for shielding one side of the rotor the shield being fixed with respect to the wind motor and only with concentrating action, i.e. only increasing the airflow speed into the rotor, e.g. divergent outlets
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- 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
- F03D3/0436—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 for shielding one side of the rotor
- F03D3/0445—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 for shielding one side of the rotor the shield being fixed with respect to the wind motor
- F03D3/0463—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 for shielding one side of the rotor the shield being fixed with respect to the wind motor with converging inlets, i.e. the shield intercepting an area greater than the effective rotor area
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- 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
- F03D15/00—Transmission of mechanical power
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- 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
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
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- 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
- F03D9/30—Wind motors specially adapted for installation in particular locations
- F03D9/32—Wind motors specially adapted for installation in particular locations on moving objects, e.g. vehicles
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- 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
- F03D9/30—Wind motors specially adapted for installation in particular locations
- F03D9/34—Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures
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- 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
- F05B2240/12—Fluid guiding means, e.g. vanes
- F05B2240/124—Cascades, i.e. assemblies of similar profiles acting in parallel
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- 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
- F05B2240/215—Rotors for wind turbines with vertical axis of the panemone or "vehicle ventilator" type
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- 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
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- 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
- F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
- F05B2240/931—Mounting on supporting structures or systems on a structure floating on a liquid surface which is a vehicle
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- 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
- F05B2240/94—Mounting on supporting structures or systems on a movable wheeled structure
- F05B2240/941—Mounting on supporting structures or systems on a movable wheeled structure which is a land vehicle
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- 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
- Y02E10/20—Hydro energy
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- 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
Definitions
- the invention relates to a continuous-flow energy installation, in particular a wind power installation, which has at least one rotor, which rotates around an axis, having rotor blades.
- DE 810 500 B has already described a wind turbine having blades rotatable around a vertical axis, which is situated in a guide housing, which has a slightly tapering intake channel.
- a shielding body is centrally situated in the incident flow direction, which has an unfavorable effect on the flow, however.
- wind power installations having vertical rotor and frontal incident flow are known, which also have a special housing-like inlet surface structure, through which funneling or suction is to be achieved, whereby higher through flow velocities are achievable.
- WO 02/095221 A1 A continuous-flow energy installation is described in WO 02/095221 A1, which also has a rotor having a vertical rotational axis, which is also regionally enclosed by a peripheral inlet surface structure and has inlet surfaces, which are situated on both sides of the rotor.
- the rotor blades extend from bottom to top and have a shape like an airfoil in cross-section.
- Inflatable air cushions which are used for boats and buildings have been known for some time.
- the outer skin of the “Allianz Arena” was manufactured from a plurality of air cushions.
- modules made of soft plastic were brought into shape using compressed air and made load-stable and dimensionally-stable by rows of hard plastic seats and plates on the outer side and on the base as well as by internal tension cables.
- an inflatable air cushion is known from the publication EP 1 752 070 B1, which is usable for an inflatable mattress, an inflatable couch, an inflatable bridge, or an inflatable boat, and is to have a flat surface configuration.
- the air cushion has a plurality of intersecting tension elements for this purpose, which are connected at both ends to the inner side of the outer skin and are brought under tension when the inflatable air cushion is inflated.
- the femoral compression air cushion unit comprises a base plate and an inflatable air cushion, which is attached to the base plate, for this purpose, the air cushion unit comprising an internal telescopic guide, which connects the base plate to the air cushion, and the telescopic guide comprising a first rod, which is situated in a displaceable relationship to a guide element, the rod and the guide element being telescopically connected to one another.
- the object of the invention is to provide a continuous-flow energy installation, which has a simply designed structure and requires little space during transport.
- the continuous-flow energy installation according to the invention has, according to the invention, at least one rotor, which rotates around an axis, having rotor blades, an inlet surface structure being associated with the rotor and the rotor blades and/or the inlet surface structure at least partially consisting of one or more air cushions.
- the structure of the installation is thus substantially simplified, weight is reduced, and the transport volume is decreased.
- the inlet surface structure preferably comprises at least two guide elements situated laterally to the rotor for the flow medium (referred to as diffuser elements hereafter), which are fastened on a main body.
- the main body has two end plates spaced apart from one another, between which the diffuser elements implemented as air cushions are situated.
- the diffuser elements implemented as air cushions are preferably fastened using first struts between the end plates, for which purpose the diffuser elements have cutouts and the first struts penetrate the air guide elements in the area of the cutouts.
- the diffuser elements are reinforced in the area of their cutouts, e.g., using metal sleeves or plastic sleeves.
- the rotor has at least two rotor plates spaced apart from one another, between which the rotor blades implemented as air cushions are fastened, in particular using two struts.
- the rotor blades also have cutouts and the second struts penetrate the rotor blades in the area of these cutouts.
- the rotor blades are advantageously implemented as reinforced in the area of the cutouts like the air guide elements.
- At least one or both end plates of the main body are also provided with air cushions pointing outward, whose footprint essentially corresponds to the footprint of the corresponding end plate.
- the air cushions have an outer skin and stabilizing tension elements, which are fastened on the outer skin, advantageously extend inside the air cushion.
- Each air cushion can have one or more chambers, which are connected to one another and are fillable by a connection.
- each chamber can be fillable separately
- the roller-like rotor preferably has rotor blades extending in the axial direction of the axis of the rotor and the diffuser elements situated between the end plates of the main body preferably also extend in the axial direction of the axis of the rotor.
- the diffuser elements situated laterally to the rotor are particularly regionally curved in such a way that they are adapted to the profile of an envelope circle, which encompasses the ends of the rotor blades pointing outward.
- the diffuser elements are particularly implemented like an airfoil profile in cross-section and form an inflow opening and an outflow opening for the flow medium, starting from the incident flow direction of the wind, the spacing between the surfaces of the air guide elements facing toward one another tapering up to the rotor like a confuser, subsequently being adapted to the profile/diameter of the rotor, and widening like a diffuser after the rotor.
- the outwardly pointing surfaces of the air guide elements are situated essentially in a mirror image to one another.
- the inflow opening tapers from the entry of the confuser up to in front of the rotor at a ratio of 6:1, but preferably to a width which corresponds to approximately 50% of the diameter of the rotor.
- the outflow opening widens in relation thereto after the rotor to approximately twice the diameter of the rotor.
- the diffuser elements are fastened on the base plate, on which the rotor is also mounted so it is rotatable.
- the terminus plate is mounted so it is pivotable around a second axis in the case of vertical axial orientation, e.g., on a mast. Since the diffuser elements are connected to the base plate and the rotor is situated between the end plates of the housing, they jointly execute the pivot movement around the vertical second axis.
- the axes of the base plate and the rotor align or are spaced apart from one another, whereby better tracking of the installation as a function of the wind direction is ensured. It is also possible to mount the main body and the rotor separately, so that only the main body having the diffuser elements is pivoted if the wind direction changes.
- At least one rotor is mounted so it is rotatable between the end plates.
- Two or more rotors may also be situated adjacent to one another or one over the other between the end plates.
- Each rotor has at least two rotor plates, between which the rotor blades extend. Further rotor plates which stabilize the rotor blades may be situated between the two outer rotor plates.
- the rotor plates are preferably implemented as circular.
- the rotor has multiple rotor blades around the periphery. Furthermore, in the “two-story” or “multistory” construction, rotor blades one over the other or adjacent to one another (depending on the orientation of the rotational axis) may also be combined. These rotor blades of the rotor which are situated one over another/adjacent to one another may align with one another or may be situated offset to one another in the peripheral direction.
- the energy provided using the continuous-flow energy installation is usable via a generator for power generation or can also be employed directly to charge a battery. Furthermore, it is possible to use the rotation thereof to generate hot water.
- the continuous-flow energy installation is preferably conceived in such a way that it is pivotable in any arbitrary direction. It is thus usable, having a vertically or horizontally oriented first axis of the rotor, as both a wind power installation and also as a turbine in liquid media (rivers, dams). Due to the employment of air cushions as diffuser elements, the installation is predestined for floating use in watercourses, since it rises and sinks with the level and is therefore operable independently of the water level. If the continuous-flow energy installation is used as a wind power installation, adjustability of the diffuser according to the wind direction is advantageous, so that the incident flow opening is always pointed or oriented in the wind direction.
- the continuous-flow energy installation can be implemented, for example, using a vane-like configuration on or under the wind power installation.
- This is a simple and low-maintenance possibility for automatic orientation of the diffuser housing.
- the height of the diffuser element is to correspond approximately to the height of the rotor.
- the wind power installation can be used in connection with a generator to charge a battery, for example.
- the continuous-flow energy installation is also operable in combination with hydraulic and/or pneumatic and/or other electrical systems or in combination with an internal combustion engine like a hybrid system.
- FIG. 1 shows a three-dimensional view of a wind power installation from the incident flow direction
- FIG. 2 shows a three-dimensional detail view of a first air guide element
- FIG. 3 shows a three-dimensional detail view of the first diffuser element having first struts
- FIG. 4 shows a three-dimensional detail view of a second diffuser element
- FIG. 5 shows a three-dimensional detail view of the second diffuser element having second struts
- FIG. 6 shows a schematic view of the coupling of the first and second diffuser elements to the main body
- FIG. 7 shows a three-dimensional view of a rotor having rotor blades, which are situated one over another and offset to one another, made of air cushions,
- FIG. 8 shows a cross-section through a wind power installation in the area of the rotor and the diffuser elements situated on both sides thereof
- FIG. 9 shows a top view of a wind power installation having a weathervane on the bottom side
- FIG. 10 shows a use of a vertical continuous-flow energy installation for the power supply of an apartment building
- FIG. 11 shows a use of a vertical continuous-flow energy installation for power generation or for charging a battery on a ship
- FIG. 12 shows a use of two horizontal continuous-flow energy installations on a roof for the power supply of an apartment building
- FIG. 13 shows a use of a “floating” horizontal continuous-flow energy installation for power generation in the front view in a river or canal.
- FIG. 1 shows the three-dimensional view of a continuous-flow energy installation upon use as a wind power installation having a first roller-type rotor 1 , which is rotatable around a first vertical axis A 1 , from the incident flow direction.
- the rotor 1 has three vertically extending rotor blades 2 , an air guide blade 3 being connected upstream from each rotor blade 2 in the rotational direction.
- the rotor 1 is delimited here by a lower terminating first rotor plate 4 and an upper terminating second rotor plate 5 (see FIG. 7 ).
- the rotor 1 is stabilized by two (see FIG. 1 ) or by only one (see FIG. 2 ) stabilizing rotor plates 6 between these two outer rotor plates 4 , 5 .
- the rotor blades 2 and the air guide blades 3 can be integrally formed, i.e., can be continuous from the beginning to end and can penetrate the stabilizing rotor plates, or can be implemented in multiple parts.
- the rotor blades 2 and the air guide blades 3 are implemented as solid here.
- the air guide blades 3 are spaced apart from the rotor blades 2 , as is also shown in FIG. 9 .
- the air guide blades 3 cause the air flow of the rotor blade 2 to be maintained longer, whereby the efficiency of the installation can be substantially increased.
- the “double blade” formed from the rotor blade 2 and the air guide element 3 therefore causes a substantial performance increase of the installation.
- the direction of curvature of rotor blade 2 and air guide element 3 is preferably implemented in the same direction.
- the rotor 1 is partially sheathed by an air guiding surface structure 7 (see FIG. 1 ), which is seated so it is pivotable on a mast M.
- the air guiding surface structure 7 comprises an upper first end plate 8 . 1 and a lower second end plate 8 .
- first diffuser element 9 has three chambers 9 . 1 , 9 . 2 , 9 . 3 situated one over another and the second diffuser element 10 has three chambers 10 . 1 , 10 . 2 , 10 . 3 situated one over another. It is possible that instead of an air cushion having multiple chambers, individual air cushions may also be situated one over another. The air cushion or cushions are tensioned against the lower and upper end plates 8 . 1 , 8 . 2 or, in the case of multiple air cushions, also against one another upon filling. If multiple air cushions are used, they may additionally be connected among one another.
- the rotor 1 is covered by up to approximately 50% of its diameter by the first diffuser element 9 in the incident flow direction, so that the rotor 1 only has incident flow on approximately 50% of its width.
- an inflow opening E is formed between the two diffuser elements 9 , 10 in front of the rotor 1 and an outflow opening A is formed opposite thereto behind the rotor 1 .
- the vertical outer surfaces 9 a and 10 a of the first and second diffuser elements 9 , 10 are implemented in a mirror image to one another and are curved between the inflow opening E and the outflow opening A, first convexly in a large arc of curvature and then concavely in a smaller arc of curvature.
- Guide elements L having a bevel of approximately 45°, by which turbulence can be avoided or reduced, extend toward the first and the second diffuser elements 9 , 10 from the upper end plate 8 . 1 and from the lower end plate 8 . 2 .
- FIG. 3 shows the three-dimensional detail view of the first diffuser element 9 , which is implemented as an air cushion and has three chambers 9 . 1 , 9 . 2 , 9 . 3 situated one over another.
- Three cutouts 20 are provided in the first diffuser element 9 , which are used for the fastening thereof.
- the cutouts 20 may be provided with a metal reinforcement 21 , for example.
- the first diffuser element 9 has five chambers 9 . 1 to 9 . 5 situated one over another, which are implemented in an air cushion. In this case, only two cutouts 20 are present, which were provided with a reinforcement 21 and were introduced into the first strut 21 , which leads through the cutouts 20 .
- the first struts 21 are fastened on the first and the second end plates 8 . 1 , 8 . 2 (not shown here).
- the structure of the second diffuser element 10 according to FIG. 4 is designed similarly as according to FIG. 2 . It is also implemented as an air cushion and has three chambers 10 . 1 , 10 . 2 , 10 . 3 situated one over another, which are provided with three cutouts 20 , the cutouts 20 also having reinforcements 21 .
- FIG. 4 shows a second diffuser element 10 having five chambers 10 . 1 to 10 . 5 and two cutouts 20 provided with a reinforcement 21 , through which the first struts 22 protrude.
- Both diffuser elements 9 , 10 are fastened to one another using fasteners (not shown) and are mounted so they are pivotable using transverse struts 14 according to FIG. 6 , which are attached at the upper and lower ends of the struts 13 .
- the corresponding bearing 15 is seated on the top of an axis 16 , which is fastenable here via a base plate 17 on a mast (not shown here), for example.
- FIG. 7 The three-dimensional view of a rotor 1 having rotor blades 2 situated one over another and offset to one another (without the use of air guide blades) is shown in FIG. 7 .
- the rotor blades 2 situated between the first rotor plate 4 and the third rotor plate 6 are situated offset to the rotor blades 2 situated between the second rotor plate 5 and the third rotor plate 6 , so that in each case an upper rotor blade 2 lies essentially in the middle between two lower rotor blades 2 in the top view (see FIG. 8 ).
- the rotor blades 7 are formed as air cushions, which are fastened on the rotor plates 4 , 5 , 6 using second struts 23 which penetrate them in the longitudinal direction.
- FIG. 8 The top view of the rotor 1 according to FIG. 6 and the diffuser elements is schematically shown in FIG. 8 , the rotor 1 being partially sheathed by the first and the second diffuser elements 9 , 10 here.
- the upper terminus plate was not shown here.
- the first struts 22 for fastening the diffuser elements 9 , 10 and the second struts 23 for fastening the rotor blades 2 are indicated.
- the diffuser elements 9 , 10 and the rotor blades 2 comprise air cushions.
- the inflow opening E oriented in the incident flow direction of the wind W and the outflow opening A are once again obvious from this view according to FIG. 7 .
- the first diffuser element 9 covers approximately 50% of the rotor 1 in the incident flow direction, less coverage also being able to be provided. Furthermore, a rounded edge 9 . 1 is provided on the first diffuser element 9 laterally to the inflow opening and a rounded edge 10 . 1 is provided on the second diffuser element 10 .
- the two edges 9 . 1 , 10 . 1 protrude outward beyond the outer diameter of the rotor 1 in the incident flow direction.
- the spacing b 1 of the two edges 9 . 1 , 10 . 1 approximately corresponds to the rotor diameter D or is somewhat greater than the rotor diameter D.
- the first diffuser element 9 has a further rounded edge 9 . 2 in the outflow direction A.
- the second diffuser element 10 also has a rounded edge 10 . 2 in the direction toward the outflow opening.
- the vertical outer surfaces 9 a of the first diffuser element 9 extend between the first edge 9 . 1 and the second edge 9 . 2
- a diffuser surface 9 b extends between the second edge 9 . 2 and the third edge 9 . 3
- a confuser surface 9 c extends between the first edge 9 . 1 and the third edge 9 . 3 .
- the diffuser surface 9 b first runs from the edge 9 .
- the confuser surface 9 c first has a concave and then a convex curve from the edge 9 . 1 up to the edge 9 . 3 .
- the second diffuser element 10 has the edge 10 . 2 in the direction toward the wind exit.
- the second diffuser element 10 has a vertical outer surface 10 a toward the outside and a diffuser surface 10 b in the direction toward the rotor 1 between the edge 10 . 1 and the edge 10 . 2 .
- the profile of the diffuser surface 10 a is designed in a mirror image to the surface 9 a.
- the surface 10 b runs in a convex curve up to the rotor 1 , which is adjoined by a concave curve, from which the surface 10 b runs in a convexly curved arc up to the edge 10 . 2 .
- the surfaces 9 b and 10 b Viewed outward approximately from the centerline of the rotor 1 in the direction toward the outflow opening A, the surfaces 9 b and 10 b have approximately the same profile in a mirror image.
- the spacing b 2 between the edge 9 . 3 and the surface 10 b, which delimits the inflow opening E, is at least approximately 0.5 ⁇ D.
- the spacing b 3 of the edges 9 . 2 and 10 . 2 which forms the outflow opening A is preferably approximately 1D to 2D.
- the rotor blades 2 are implemented in the form of an airfoil in cross-section and extend radially inward in a curved or arced shape from the outer periphery.
- the convexly curved surface of the rotor blades 2 points in the rotational direction, the concavely curved surface of the rotor blades 2 receives the incident flow.
- the inner longitudinal edges of the rotor blades 2 point toward the concave surface of the next rotor blade 2 .
- the air guide blades 3 are curved and oriented similarly to the rotor blade. A simple possibility for tracking the air guiding surface structure 7 according to the wind direction is shown in FIG. 9 .
- a weathervane 18 is seated on the lower side of the main body, which protrudes beyond the air guiding surface structure 7 radially on the side of the outflow opening A. It is also obvious from this illustration that an air guide blade can be assigned to each rotor blade.
- the output of the rotor of the continuous-flow energy installation in the form of a low speed and a high torque is converted into an output required for a generator, i.e., a high speed and a low torque.
- the output provided by the rotation of the rotor is relayed by the transmission (not shown in the exemplary embodiments) to the corresponding accepting assemblies (generator, pump, etc.).
- the continuous-flow energy installation is pivotable as desired and can operate using horizontally or vertically oriented rotor axes. It is also possible to pivot the continuous-flow energy installation (symbolically within an imaginary spherical body) into any arbitrary position.
- the solution according to the invention is therefore usable for manifold areas of application.
- the energy yield can be increased by more than five-fold in comparison to typical continuous-flow energy installations.
- Typical, in particular three-bladed horizontal wind power installations can generate unacceptable acoustic and visual effects.
- the noise level is often over 35 dB, which is perceived as annoying at night in particular.
- the change between light and shadow and, in particular in sunshine, the “disco effect”, when light is irregularly reflected from the blank surfaces of the rotor blades can be unbearable in the long term.
- the large outer surfaces 9 a, 10 a of the diffuser elements 9 , 10 may be used as billboards.
- FIG. 10 shows a vertical continuous-flow energy installation S as a wind power installation, having a body 7 situated on a mast M, which is situated adjacent to a single-family home 19 , for example, and can supply it with power and hot water.
- FIG. 11 also shows a vertical wind power installation W on a ship 20 , using which batteries are rechargeable, for example.
- FIG. 12 it is also possible to situate one or more horizontal continuous-flow energy installation(s) S on a roof 21 .
- the main body is then received on its two terminus plates 8 . 1 , 8 . 1 , for example, (left wind power installation) or is mounted on the diffuser element ( 10 here) pointing toward the roof 21 , so that it can orient itself according to the wind direction (right wind power installation).
- the use of a “floating” horizontal continuous-flow energy installation S for power generation is schematically shown in a front view in the canal 23 in FIG. 22 .
- the continuous-flow energy installation S adapts itself through the air cushions in the form of the diffuser elements and a “floating” fastening to the level of the flowing medium 22 .
- the living space of the fish is not impaired, since the installation rotates according to the flow of the water and no shear effect is generated thereby.
- the fishes can swim through the installation or also past the installation.
- the energy generated using the continuous-flow energy installation S is converted into other forms of energy as needed employing suitable transmissions (e.g., gearwheel transmission, toothed belt transmission), clutches, for example, to compensate for relative movements between a drive shaft (the shaft of the rotor here) and an output shaft (e.g., shaft of a generator) and corresponding converters.
- suitable transmissions e.g., gearwheel transmission, toothed belt transmission
- clutches for example, to compensate for relative movements between a drive shaft (the shaft of the rotor here) and an output shaft (e.g., shaft of a generator) and corresponding converters.
- the output of the rotor of the continuous-flow energy installation in the form of a low speed and a high torque is converted into an output which is required for a generator, i.e., a high speed and a low torque.
- the output provided by the rotation of the rotor is relayed by the transmission (not shown in the exemplary embodiments) to the corresponding receiving assemblies (generator, pump, etc.).
- the continuous-flow energy installation is pivotable as desired and can operate using horizontally or vertically oriented rotor axes. It is also possible to pivot the continuous-flow energy installation (symbolically within an imaginary spherical body) into any arbitrary position.
- the solution according to the invention is therefore usable for manifold areas of application.
- the energy yield can be increased by more than five-fold in comparison to typical continuous-flow energy installations.
- Typical, in particular three-bladed horizontal wind power installations can generate unacceptable acoustic and visual effects.
- the noise level is often over 35 dB, which is perceived as annoying at night in particular.
- the change between light and shadow and, in particular in sunshine, the “disco effect”, when light is irregularly reflected from the blank surfaces of the rotor blades can be unbearable in the long term.
- These disadvantages do not occur with the wind power installation according to the invention, because it operates at a very low noise level, which is nearly at zero, or only corresponds to the natural wind noise. Due to the use of the diffuser or the diffuser elements, an annoying light-shadow change does not occur. It is thus also possible to erect the wind power installations close to residences.
- the large outer surfaces 9 a, 10 a of the diffuser elements 9 , 10 may be used as billboards.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Wind Motors (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202008010396.7 | 2008-07-29 | ||
DE202008010396U DE202008010396U1 (de) | 2008-07-29 | 2008-07-29 | Strömungsenergieanlage |
PCT/DE2009/001079 WO2010012278A2 (de) | 2008-07-29 | 2009-07-29 | Strömungsenergieanlage, insbesondere windkraftanlage |
Publications (1)
Publication Number | Publication Date |
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US20110135459A1 true US20110135459A1 (en) | 2011-06-09 |
Family
ID=41413120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/056,802 Abandoned US20110135459A1 (en) | 2008-07-29 | 2009-07-29 | Continuous-Flow Energy Installation, in Particular a Wind Power Installation |
Country Status (4)
Country | Link |
---|---|
US (1) | US20110135459A1 (ja) |
JP (1) | JP2011529541A (ja) |
DE (3) | DE202008010396U1 (ja) |
WO (1) | WO2010012278A2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US20190293051A1 (en) * | 2018-03-23 | 2019-09-26 | Robert G. Bishop | Vertical axis wind turbine rotor |
US20220090575A1 (en) * | 2019-02-08 | 2022-03-24 | Hymago Energie | Water current turbine |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2009036713A1 (de) | 2007-08-10 | 2009-03-26 | Gunter Krauss | Strömungsenergieanlage, insbesondere windkraftanlage |
EP2333324A3 (de) | 2009-12-14 | 2013-11-13 | Martin Schilling | Windkraftanlage zur Erzeugung von elektrischer Energie in einem Kraftfahrzeug |
SI2736909T1 (sl) | 2011-07-27 | 2017-08-31 | Farma Grs, D.O.O. | Proces za pripravo sitagliptina in njegovih farmacevtsko sprejemljivih soli |
EP2617991A1 (en) * | 2012-01-18 | 2013-07-24 | Jörg Walter Roth | Vertical axis wind turbine |
KR101157389B1 (ko) * | 2012-02-03 | 2012-06-18 | 주식회사 한림메카트로닉스 | 저풍속 풍력발전장치 |
DE202012001312U1 (de) | 2012-02-10 | 2013-05-13 | Volker Korrmann | Sichtgeschützte Windkraftanlage |
DE102012101269B4 (de) * | 2012-02-17 | 2019-01-24 | Anton Martin Kreitmair | Vertikale Windturbine |
DE102012015178A1 (de) * | 2012-08-02 | 2014-02-06 | Dennis Patrick Steel | Windkraftanlage an einem Turm, Mast oder Schornstein |
FR3002786A1 (fr) | 2013-03-01 | 2014-09-05 | Edie Ecocinetic | Dispositif de transformation d'energie hydrocinetique ou aerocinetique |
DE102015112371A1 (de) | 2015-07-29 | 2017-02-02 | Vladimir Schmidt | Strömungsenergieanlage |
JP6221005B1 (ja) * | 2017-05-31 | 2017-10-25 | 三桂有限会社 | 風力発電装置 |
DE202017106237U1 (de) * | 2017-10-16 | 2019-01-17 | Georg Kunz | Windkraftanlage zur Umwandlung von Windenergie in mechanische und elektrische Energie sowie Land- oder Wasserfahrzeug mit einer solchen Windkraftanlage als Antrieb |
BE1026869B1 (fr) * | 2018-12-12 | 2020-07-13 | Sonaca Sa | Turbine aerolique a flux traversant |
DE102020124612A1 (de) * | 2020-09-22 | 2022-03-24 | NRGSync Holding GmbH | Vorrichtung zur Erzeugung elektrischer Energie |
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- 2009-07-29 DE DE112009002408T patent/DE112009002408A5/de not_active Withdrawn
- 2009-07-29 DE DE102009035997A patent/DE102009035997A1/de not_active Withdrawn
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Also Published As
Publication number | Publication date |
---|---|
DE102009035997A1 (de) | 2010-05-06 |
JP2011529541A (ja) | 2011-12-08 |
WO2010012278A3 (de) | 2010-10-14 |
DE202008010396U1 (de) | 2009-12-10 |
DE112009002408A5 (de) | 2011-07-07 |
WO2010012278A2 (de) | 2010-02-04 |
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