WO2015053729A1 - Turbine à rotor à cage - Google Patents

Turbine à rotor à cage Download PDF

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Publication number
WO2015053729A1
WO2015053729A1 PCT/TR2014/000384 TR2014000384W WO2015053729A1 WO 2015053729 A1 WO2015053729 A1 WO 2015053729A1 TR 2014000384 W TR2014000384 W TR 2014000384W WO 2015053729 A1 WO2015053729 A1 WO 2015053729A1
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WO
WIPO (PCT)
Prior art keywords
cage rotor
turbine
blades
rotor
cage
Prior art date
Application number
PCT/TR2014/000384
Other languages
English (en)
Inventor
Bingol Oz
Original Assignee
Bingol Oz
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bingol Oz filed Critical Bingol Oz
Publication of WO2015053729A1 publication Critical patent/WO2015053729A1/fr

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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
    • 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
    • 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
    • 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
    • F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
    • 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
    • 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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/70—Bearing or lubricating arrangements
    • 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
    • F05B2210/00—Working fluid
    • F05B2210/16—Air or water being indistinctly used as working fluid, i.e. the machine can work equally with air or water without any modification
    • 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
    • F05B2240/217—Rotors for wind turbines with vertical axis of the crossflow- or "Banki"- or "double action" type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/21—Rotors for wind turbines
    • F05B2240/221—Rotors for wind turbines with horizontal axis
    • F05B2240/2212—Rotors for wind turbines with horizontal axis perpendicular to wind direction
    • 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
    • F05B2240/231—Rotors for wind turbines driven by aerodynamic lift effects
    • 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
    • F05B2240/231—Rotors for wind turbines driven by aerodynamic lift effects
    • F05B2240/232—Rotors for wind turbines driven by aerodynamic lift effects driven by drag
    • 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
    • F05B2260/00—Function
    • F05B2260/42—Storage of energy
    • F05B2260/421—Storage of energy in the form of rotational kinetic energy, e.g. in flywheels
    • 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
    • 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

  • This present invention is related to a Cage Rotor Turbine which is developed to convert kinetic energy of fluids like air, water, steam, gas into mechanical energy.
  • turbines used in energy production are employed to convert kinetic energy existing in fluids like water, air, steam, gas firstly to mechanical and then to electrical energy.
  • kinetic energy existing in fluids like water, air, steam, gas firstly to mechanical and then to electrical energy.
  • turbine blade speed cannot be higher than fluid speed.
  • the amount and continuity of electrical energy produced is limited to fluid speed. Such limitation of energy production decreases energy efficiency.
  • the devices used at energy production applications that particularly has a high electrical energy production capacity and consist of multiple turbines utilize the lift force of the fluid.
  • the fluid passes over both sides of the turbine blades and generates lift force on the blades in this method
  • Known examples of this method are Kaplan turbine for hydraulics, steam turbines for gas and conventional wind turbines for air.
  • This turbine is used in the field of hydroelectric energy. Water is directed to enter a section on the turbine wheel tangentially. Water passing through the curved blades transfers its energy and leaves from the opposite side.
  • Drag force of water is utilized.
  • the turbine design is not suitable for using the lift force of the fluid.
  • a section of the turbine cannot be utilized. Full section flow of fluid through the turbine is not possible. The section which does carry fluid becomes an inefficient section.
  • the Savonius turbine are machines that utilize the pressure difference generated by wind's drag force on S shaped turbine blades.
  • the turbine shaft is in a vertical position and operates independently of wind direction.
  • Darrieus turbines are machines generating rotational movement with the air's lift force by connecting blades with symmetrical airfoil cross section to a vertical axis.
  • the vulnerability caused by the symmetrical cross section of the initial design was tried to be eliminated in subsequent designs and many other turbines have been developed based on the preliminary design of this turbine. It is utilized as wind turbine and water turbine in practice up to some scale.
  • the symmetrical or limited asymmetrical cross section of blade affects the performance of aerodynamic lift force utilization considerably.
  • the head formed by the air passage over airfoil cross section utilizes the lift force generated by the wind.
  • the loads that are to be compensated increase significantly as the blade size increases.
  • the invention according to the said patent application discloses a turbine for obtaining electric power from water flow by means of two turbine wheels placed on top of one another.
  • This invention also utilizes the drag force of water like the cross flow turbine as explained before.
  • the design of the wheel is not suitable for utilization of the lift force.
  • the wind is directed to two vertical axis turbines through both sides of a stationary guide blade.
  • the stationary guide blade also shields the turbine wheel halves and so air is directed to unshielded cross sections. By this way, it is aimed not to lose power while rotating against the wind.
  • the blade design is inspired by the Darrieus turbine.
  • a pivoting mechanism located on the carrying frame is designed in order to counter the wind always at the best angle. It differs from turbines such as Darriesus and Savonius which operate independently of wind direction.
  • the invention disclosed in the said application relates to a turbine which moves fluid from the axial inlet to the radial outlet (such as radial fan or pump) on contrary to the radial inlet - axial outlet flow in radial flow turbines, wherein the blades are lined around the rotor.
  • the fluid passes from the center of the turbine to the periphery.
  • This invention has a flow system that is similar to the invention no. US 8403622 B2 and is designed for wind. It has the same technical problems.
  • the said invention is related to nested wind turbines. Air passing through the outermost turbine rotates the inner turbine with a smaller diameter in the opposite direction. By this way, combining the turbine powers is aimed.
  • Crop Rotor Turbine developed by this invention can work in any position i.e. vertical, horizontal, or angular, while in the basic embodiment of the invention the operating position is horizontal. It has an improved structural integrity with the side discs, blade reinforcement rings and adjustable mass flywheel included in its structure. Besides, it possesses the property of combining the turbine outlets in one rotation direction in a single outlet. It utilizes fluid's lift and drag forces together owing to its property of receiving fluid constantly in rotational direction.
  • Figure 1 General view of Cage Rotor Turbine (with two rotors)
  • FIG. 3 Cage rotor section with two blades. Blade angle 0°
  • FIG. 4 Cage rotor section with two blades. Blade angle 20°
  • Figure 5 Cage rotor section with six blades. Blade angle 0°
  • Figure 6 Three dimensional presentation of straight blade and helical blade with 45° helical angle in Cage Rotor
  • Figure 7 Cage rotor with six blades. Shield is in down position
  • Figure 8 Cage rotor with six blades. Shield is in up position
  • Figure 9 Cross sectional view of frame and turntable
  • Figure 10 Top view of Cage Rotor Turbine. Two rotors with different rotational directions installed on top of one other.
  • Figure 11 Top view of Cage rotor Turbine. Two rotors with same rotational direction installed back to back.
  • Aerodynamic brake blade for wind turbine application
  • the cage rotor turbine (15) developed by this invention is developed to convert kinetic energy of fluids into mechanical energy and is able to utilize lift and drag forces of the fluid by being positioned vertically, horizontally or angularly.
  • the main elements of the Cage Rotor Turbine (15) are as follows;
  • the blades (2) have asymmetric cross sections with curved upper surfaces and lower surfaces that are flat or less curved than the upper surface.
  • Curvature lines may be circular, elliptic, parabolic and in airfoil form as in known turbine blades.
  • the reason behind the curvature of turbine blades is to utilize the lift force optimally during fluid flow over blade (2) surfaces.
  • the lift force occurs on the side where there is more curvature length.
  • the line connecting head and tail points (A and B) of the blade (2) cross section passes from central point of the side disc (M) which is also the axis of rotation.
  • the head point (A) may be connected to the side disc (2) in the direction of rotation and at a maximum angle of 20° the tail point (b) being the center, assumed that the position of the tail point (B),which is located on the blade (2) cross section, on the line crossing the side disc' (3) center is constant in order to generate more lift force in the initial reception.
  • the line connecting the head and tail points (A and B) of the blade (2) does not pass through the central point (M) of the side disc (3).
  • the straight and angular connections of the blades on the side disc are shown in Figures 3 and 4.
  • the turbine blades (2) are installed concentrically at equal angles and radiuses with respect to the central point of the side disc (M).
  • the arrangement of the blades (2) on the side disc (3) may be performed according to the desired direction of rotation.
  • the number of blades (2) may be at least two and may be more depending on the embodiment of the invention.
  • the number of blades (2) is six in the basic embodiment of the invention.
  • the turbine blades (2) may be positioned helically in order to receive the load exerted on the cage rotor (1) by the fluid with less concussion.
  • the helical angle can be any desired angle depending on embodiment of the invention. A three dimensional view of a straight blade (2) and a blade (2) with 45° helical angle) are shown in Figure 6.
  • the turbine blades(2) may be made of metal, plastic, petroleum derived materials, textile products or wood and fastened onto the side discs (3) by means of any fastening mechanism such as welding, rivets, or nuts.
  • One side disc (3) is provided on each side of the cage rotor (1) as shown in Figure 2. It is in circular shape and in the form of plate filling inside section of flywheel (5).
  • the turbine blades (2) are fastened to these discs (3).
  • the side discs (3) may be made of metal, plastic, petroleum derived materials, composite materials, textile products and wood.
  • Reinforcement rings (4) which fasten the blades (2) to each other and are positioned in parallel to the side disc (3) surface are used in the basic embodiment of the present invention to reduce the loads on the blades (2) and the rotor (1) that are caused by rotation.
  • the reinforcement rings (4) fasten the curved upper surfaces of blades (2) to the flat bottom surfaces of the subsequent blades (2) to provide structural resistance support to the blades (2).
  • One reinforcement ring (4) is used for each pair of side discs (3).
  • the number and shape of reinforcement rings (4) may be different depending on the embodiment of the invention.
  • the reinforcement ring (4) is fastened to blades (2) concentrically with the side disc (3).
  • the reinforcement ring (4) may be made of metal, plastic, petroleum derived materials, composite materials, textile products and wood.
  • flywheel (5) there is one flywheel (5) on each side disc (3) as seen in Figure 2 and it is fastened to the side discs (3) on the periphery.
  • the basic function of the flywheels (5) is to soften the effect of change in the lift and drag forces on the blades (2) varying according to angle and to help smooth rotation. For example to store energy at in the 0° ⁇ 20° section where the lift force and consequently the rotational speed increase gradually, or to use the stored energy in the decreasing lift force section.
  • minimization or prevention of sinus loads generated by the blades (2) with their own rotation and the torsional etc. vibrations on the cage rotor (1) is another function of the flywheels (5).
  • the effects of the flywheels (5) may be changed and adjusted by adding and removing weights.
  • the flywheels (5) may be made of metal, plastic, petroleum derived materials, composite materials, textile products and wood like the side discs (3).
  • the cage rotor (1) rotates concentrically with the rotor shaft (16) in the basic embodiment of the present invention.
  • the inner rotor partition (6) may also be used to divert the air passing through the cage rotor (1) in other embodiments of the invention as shown in Figure 7.
  • the inner rotor partition (6) is fixed on the rotor shaft (16) and the rotor shaft (16) is fixed on the frame (14) and the cage rotor (1) rotates around the fixed rotor shaft (16).
  • the inner rotor partition (6) is used to avoid fluid passage to the externally shielded half turn section when fluid does not do any work.
  • the inner rotor partition (6) may be made of metal, plastic, petroleum derived materials, composite materials, textile products and wood.
  • the rotor shaft (16) ends are connected to a mechanical combining unit (7) as shown in Figures 10 and 11 when more than one turbine rotor (1) is used as in the basic embodiment of the present invention, in order to combine the rotational motion at the shaft (16) outlets in a single direction of rotation.
  • One mechanical combining unit (7) is used for each rotor pair and they may consist of transmission components with gear, belt or chain. It comprises required intermediate components to bring rotors' (1) direction of rotation to the same direction and combines the rotors' (1) powers as well.
  • the rotors(l) rotate in the reverse direction when the rotor (1) pair is placed on top of each other as shown in Figure 10 and one mechanical combining unit (7) that is connected to the rotor shaft (16) ends is sufficient to combine the movement.
  • the basic embodiment of the present invention is shown in Figure 11.
  • the mechanical combining unit (7) also functions as a redirecting element for cage rotor (1) outlet rotating in the opposite direction.
  • One shield (8) is used for each rotor (1) in the direction in which the fluid comes as shown in Figures 7 and 8 in order to prevent the fluid from causing the rotor to lose energy by forming resistance against the rotating rotor (1).
  • the shield (8) screens the half turn section of the cage rotor (1) which does not produce any work by surrounding it from outside at a desired angle. By this means, the effect of drag force on the cage rotor (1) is prevented.
  • the shield (8) may be made of metal, plastic, petroleum derived materials, composite materials, textile products and wood.
  • the cage rotor turbine (15) when used as a wind turbine an aerodynamic brake blade (9) is provided which partially or completely obstructs flow into the cage rotor (1) as shown in Figures 7 and 8 when the wind speed is too high and power control is difficult and in order to perform maintenance, diagnostics, etc..
  • the said brake bladed (9) is positioned on the blades (8), one for each blade (8), may be operated manually or by means of a motor.
  • the motorized system may be a mechanical, hydraulic, electric, etc. system.
  • the aerodynamic brake blade (9) may be made of metal, plastic, petroleum derived materials, composite materials, textile products and wood.
  • the direction of the cage rotor (1) needs to be changed depending on a change in the fluid's direction.
  • the steering blades (10) that are required for this end are placed on the turntable (11) which carries all components of the turbine (15), in such a manner that there is one on either side of the rotors (1) to block two directions other than the fluid's inbound and outbound directions.
  • the pivoting setup (12) is located on the stationary frame (14) and enables moving connection between the frame (14) and the turntable (11). Thus, the direction of turntable (11) may be changed together with components placed on it.
  • the shape and size of the steering blades (10) may vary depending on the embodiment of the invention.
  • the cage turbine's (1) direction is changed with the help of the fluid loads coming onto the steering blades (10) if the fluid power is sufficient.
  • a turning setup (13) that may formed with mechanical, electric, hydraulic, etc. drive equipment located on the frame may be used in case the fluid power is insufficient.
  • the turning setup (13) has its own drive power and actuates pivoting setup (12).
  • the pivoting setup (12) and the turning setup (13) are shown in Figure 9, Figure 10 and Figure 11.
  • the steering blade (10) may be made of metal, plastic, petroleum derived materials, composite materials, textile products and wood.
  • the cage rotor (1), the shield (8), the mechanical combining unit (7), the rotor shaft bearings (17), the aerodynamic brake blade (9), the steering blades (10) are placed on the turntable (11) which changes direction on the frame (14).
  • the turntable (11) may be made of metal, plastic, petroleum derived materials, composite materials, textile products and wood.
  • the frame (14) is a stationary member which fixes the cage rotor turbine (15) on the ground and carries the turntable (11).
  • the frame (14) is a bearing structure such as a pipe, post, construction etc.
  • the frame (14) may be made of metal, plastic, petroleum derived materials, composite materials, textile products and wood.
  • the rotor shaft (14) may be made of metal, plastic, petroleum derived materials, composite materials, textile products and wood.
  • the rotor shaft(16) has to turn within the rotor shaft bearing (17) located on the steering blades (10) since the rotor shaft (16), the inner rotation partition (6) and the rotor (1) are fastened together.
  • the rotor shaft bearing (17) is fixed on the steering blades (10) and allows the rotor shaft (16) to turn by means of the roller bearing mechanism located in it.
  • One rotor shaft bearing (17) is provided on each site where rotors (1)) are mounted on steering blades (10).
  • the blades (2), reinforcement rings (4), side discs (3), flywheels (5), inner rotor partition (6) and rotor shaft (16) compose the cage rotor (1).
  • the cage rotor turbine (15) developed by this invention may be used in horizontal, vertical and angular positions depending on the type and site of application and it is completely an open system. However, the turbine (15) is placed horizontally in the basic embodiment of the present invention and the rotors (1) are back to back considering maximum efficiency, optimal working system, convenience for operation and maintenance and facing mechanical fluid loads optimally,
  • the cage rotor turbine (15) uses firstly the lift force of fluid and, in the later stages of rotation, the drag force of the fluid in addition to the lift force.
  • the basic design parameters in the development of the present invention are
  • the cage rotor turbine (15) allows fluid flow through the turbine and over both surfaces of the turbine blades (2) to primarily use the lift force of fluid owing to its structure as shown in Figure 1.
  • two turbine blades (2) are fixed on a circular side disc (3) at equal angles and concentrically, on the basis of the side disc's (3) center.
  • the cross section of the blades (2) is asymmetric as the upper surfaces are curved and the lower surfaces are flat.
  • the head point and the tail point of the blade(2) are indicated as A and B in the cross section respectively and the veter lines connecting these two lines pass through the side disc's (3) center which is indicated as M.
  • Lift force is generated on both blades (2) towards the curved surface side under fluid flow.
  • the angle of attack is 0° for both blades (2).
  • the first blade (2) proceeds from 0° position to 90° position
  • the second blade (2) starts moving from 180° position to 270° position.
  • the angle of attack changes depending on the position, the changing angle of attack and the lift force which cis aiso changing accordingly affect the blade (2) which is proceeding to 90° position and the resultant lift and drag forces force the cage rotor ( 1 ) to rotate.
  • the lift force increases up to a certain point and then starts decreasing.
  • the effect of the drag force also increases and 90° position is reached with these effects.
  • the angle of attack is 90°.
  • the other blade (2) s While proceeding from 180° position to 270° position, the other blade (2) s contributes to rotation of the cage rotor (1) by generating a lift force up to the negative angles of attack at ⁇ 5° ⁇ 10° Until this point, the effect of drag force is limited.
  • More than one cage rotor (1) may be used 1 together as shown in Figure 10 and Figure 11 depending on the turbine size to mitigate the disadvantage of a rotor (1) working only half turn and to improve power production continuity and economy.

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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)
  • Wind Motors (AREA)
  • Hydraulic Turbines (AREA)

Abstract

La présente invention concerne une turbine à rotor à cage qui est conçue pour convertir l'énergie cinétique de fluides tels que l'air, l'eau, la vapeur, le gaz en énergie mécanique.
PCT/TR2014/000384 2013-10-09 2014-10-08 Turbine à rotor à cage WO2015053729A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201311899 2013-10-09
TR2013/11899 2013-10-09

Publications (1)

Publication Number Publication Date
WO2015053729A1 true WO2015053729A1 (fr) 2015-04-16

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PCT/TR2014/000384 WO2015053729A1 (fr) 2013-10-09 2014-10-08 Turbine à rotor à cage

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2637771C1 (ru) * 2016-08-30 2017-12-07 Анатолий Николаевич Зайцев Бесплотинная инерционная гидроэлектростанция

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325822A1 (fr) * 1975-09-25 1977-04-22 Germain Fernand Eolienne
DE2908689A1 (de) * 1979-03-06 1980-09-11 Walter Nimmerrichter Durchstroemturbine mit durchlaufenden kanaelen in einem dreiteiligen leitsystem fuer etwa waagerechte durchstroemung
US20070222224A1 (en) * 2006-03-27 2007-09-27 Jonsson Stanley C Louvered horizontal wind turbine
GB2470501A (en) * 2009-05-19 2010-11-24 Fu-Chang Liao Wind powered electricity generator with two dynamos and guiding board
WO2010148563A1 (fr) * 2009-06-25 2010-12-29 Liao Fu-Chang Mécanisme de génération d'énergies solaire et éolienne
US20110305563A1 (en) * 2010-06-15 2011-12-15 Saunders Iii Barney D Wind Turbine Funnel

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Publication number Priority date Publication date Assignee Title
FR2325822A1 (fr) * 1975-09-25 1977-04-22 Germain Fernand Eolienne
DE2908689A1 (de) * 1979-03-06 1980-09-11 Walter Nimmerrichter Durchstroemturbine mit durchlaufenden kanaelen in einem dreiteiligen leitsystem fuer etwa waagerechte durchstroemung
US20070222224A1 (en) * 2006-03-27 2007-09-27 Jonsson Stanley C Louvered horizontal wind turbine
GB2470501A (en) * 2009-05-19 2010-11-24 Fu-Chang Liao Wind powered electricity generator with two dynamos and guiding board
WO2010148563A1 (fr) * 2009-06-25 2010-12-29 Liao Fu-Chang Mécanisme de génération d'énergies solaire et éolienne
US20110305563A1 (en) * 2010-06-15 2011-12-15 Saunders Iii Barney D Wind Turbine Funnel

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RU2637771C1 (ru) * 2016-08-30 2017-12-07 Анатолий Николаевич Зайцев Бесплотинная инерционная гидроэлектростанция

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