WO2024038508A1 - Dispositif de turbine et système de turbine connecté consécutivement - Google Patents

Dispositif de turbine et système de turbine connecté consécutivement Download PDF

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Publication number
WO2024038508A1
WO2024038508A1 PCT/JP2022/030988 JP2022030988W WO2024038508A1 WO 2024038508 A1 WO2024038508 A1 WO 2024038508A1 JP 2022030988 W JP2022030988 W JP 2022030988W WO 2024038508 A1 WO2024038508 A1 WO 2024038508A1
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WIPO (PCT)
Prior art keywords
fluid
turbine
phase
reservoir
turbine device
Prior art date
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PCT/JP2022/030988
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English (en)
Japanese (ja)
Inventor
啓一 中島
Original Assignee
啓一 中島
坂本 聡
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.)
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Application filed by 啓一 中島, 坂本 聡 filed Critical 啓一 中島
Priority to PCT/JP2022/030988 priority Critical patent/WO2024038508A1/fr
Priority to PCT/JP2023/028898 priority patent/WO2024038799A1/fr
Publication of WO2024038508A1 publication Critical patent/WO2024038508A1/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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/08—Machines or engines of reaction type; Parts or details peculiar thereto with pressure-velocity transformation exclusively in 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
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F03B3/12—Blades; Blade-carrying 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
    • F03B7/00—Water wheels

Definitions

  • the present invention relates to a turbine device related to gravitational torque conversion that converts potential energy of a fluid into useful mechanical power.
  • the turbine device related to gravity torque conversion of the present invention can be suitably used as a power generation device.
  • Electrical energy produced in a general power plant is generated by rotating the rotating shaft of a dielectric power generation device called a dynamo or alternator using some kind of physical power energy.
  • thermal power generation uses fuel such as oil, coal, combustible gas, or nuclear power, converts it into high-temperature "thermal energy,” generates strong steam pressure in a boiler, and uses that "strong pressure” to generate electricity.
  • the most common method is to generate electricity by rotating a turbine connected to the machine at high speed.
  • a turbine device has also been proposed that uses the potential energy of a fluid located at a high position to turn a rotating shaft and obtain kinetic energy.
  • a turbine device as disclosed in Patent Document 1 below has been proposed with the aim of generating power with high efficiency and high output even when installed in a place where a sufficient head cannot be obtained.
  • a broader object of the present invention is to provide a turbine device and a connected turbine system that can efficiently convert physical power energy such as potential energy of a fluid into power for rotating a turbine used for power generation etc. with a simple configuration. It is.
  • a turbine device is a turbine device that rotates a plurality of storage bodies that store the fluid, which are fixed to a rotating shaft, by gravity related to the fluid, and includes:
  • the apparatus is characterized in that it has a distribution function part that distributes the fluid between the plurality of reservoirs so as to be effective in changing the rotational torque around the rotation axis.
  • the second aspect of the present invention is a supply port for supplying the fluid supplied from above to the reservoir; an opening for introducing the fluid into the reservoir from the supply port; the reservoir is comprised of a phase reservoir;
  • the phase reservoir is a reservoir for the fluid that is configured to include a front wall, a rear wall, and a side wall, and spreads in the direction in which the rotation axis extends, In the front curve of the side wall that appears when viewed from the front side and the rear curve of the side wall that appears when viewed from the rear side, the phase of the rear curve is compared to the phase of the front curve.
  • the side wall of the phase storage body connects the front curve and the rear curve rotated by the twist angle and extended by the extension angle in the front-rear direction with a three-dimensionally twisted wall surface.
  • the distribution function section is configured with an on-off valve, and the on-off valve is provided in a peripheral area of the side wall of the phase storage body, and the on-off valve is configured such that when the phase storage body is in an upper position, It is characterized in that the opening/closing valve is opened to take the fluid into the phase reservoir, and when rotating downward, the opening/closing valve is closed to prevent the accumulated fluid from leaking.
  • the fourth aspect of the present invention is It is characterized in that the opening/closing valve distributes the fluid between the phase reservoir at an advanced position in the rotation angle and the phase reservoir at a position delayed in the rotation angle.
  • the fifth aspect of the present invention is Both the front curve and the rear curve are spiral curves in which the radial position of the curve extending from the center of rotation gradually increases as it rotates in the circumferential direction.
  • the sixth aspect of the present invention is The plurality of phase reservoirs is characterized in that the plurality of phase reservoirs are composed of three phase reservoirs mounted at 120° intervals around the rotation axis.
  • the seventh aspect of the present invention is The torsion angle and the extension angle of the rear curve were set so that the side edges of the side walls of the phase reservoir, through which the fluid overflows as the phase reservoir rotates, are horizontal. , is characterized by.
  • the eighth aspect of the present invention is The torsion angle and the extension of the rear curve are such that the side edges of the side walls of the phase reservoir, through which the fluid overflows as the phase reservoir rotates, are parallel to the axis of rotation. It is characterized by having set corners.
  • the ninth aspect of the present invention is The on-off valve is characterized in that it is composed of an on-off door that is driven by the action of gravity.
  • the connected turbine system includes: The phase reservoir is formed using a cylindrical shell that rotates about the rotation axis, The cylindrical shell is composed of a front circular plate, a rear circular plate, and a cylindrical plate, The cylindrical shell is characterized in that the opening is provided at a front end position or a rear end position of the phase reservoir.
  • a basic eleventh aspect of the present invention is characterized in that a plurality of the turbine devices according to claim 2 are provided.
  • the twelfth aspect of the present invention is The plurality of turbine devices are characterized in that, in the flow of the fluid, each of the plurality of turbine devices has a fluid path communication path that allows the fluid to flow from at least an upstream side to a downstream side.
  • the thirteenth aspect of the present invention is A siphon type communication path using a siphon phenomenon is provided in at least a part of the fluid communication path.
  • the fourteenth aspect of the present invention is The present invention is characterized in that it includes a return passage that returns the fluid from the turbine device on the downstream side to the turbine device on the upstream side, and a pump that circulates the fluid.
  • the fifteenth aspect of the present invention is A serial turbine system having a configuration in which a plurality of the turbine devices are arranged horizontally, a first upper storage tank provided above the first turbine device on the upstream side and containing the fluid falling from above; a first lower reservoir provided at a position below the first turbine device and containing the fluid discharged from the first turbine device; a siphon-type communication path that communicates from a lower position of the first lower storage tank to the supply port of the fluid of the second turbine device on the downstream side; a second lower reservoir containing the fluid discharged from the second turbine device at a position below the second turbine device; The first turbine device and the second turbine device are rotated by flowing the fluid from the second lower storage tank using a siphon phenomenon.
  • the sixteenth aspect of the present invention is A second upper storage tank is provided above the second turbine device, and the siphon type communication path is communicated with the second upper storage tank.
  • the seventeenth aspect of the present invention is A return passage is provided for returning the fluid flowing out from the second lower storage tank to the first upper storage tank, and a pump is provided for circulating the fluid flowing out.
  • the eighteenth aspect of the present invention is The plurality of turbine devices are vertically connected via the fluid communication path.
  • the nineteenth aspect of the present invention is The distribution function section is characterized in that it has an inter-reservoir communication port that communicates between the plurality of reservoirs.
  • the 20th aspect of the present invention is The present invention is characterized in that it includes a distribution pump that distributes the fluid between the plurality of reservoirs in a manner effective for changing the rotational torque.
  • FIG. 2 is a schematic diagram for explaining rotational torque obtained by gravity, moment of inertia, and effective gravity that should be taken into account when rotating a blade.
  • (a) is a schematic diagram showing a state in which a linear flat plate is rotated by fluid falling from above
  • (b) is a schematic diagram showing a state in which a reservoir is used in which fluid flows and stagnates.
  • (a), (b), and (c) are diagrams in which the horizontal axis represents the rotation angle of each turbine blade in FIG. 3, and the vertical axis represents the value of torque conversion.
  • (a) is a view of the front curve seen from the front side
  • (b) is a perspective view of the main part of the turbine device seen from an angle
  • (c) is a view of the rear curve seen from the rear side
  • ( e) and (f) are exploded perspective views showing phase reservoirs formed around the rotation axis, respectively.
  • FIG. 2 is a perspective view showing an assembled state of the disassembled turbine device.
  • FIG. 2 is a perspective view for explaining the configuration of an opening and the configuration of an on-off valve in an example of the present turbine device.
  • FIG. 6 is a diagram schematically showing the movement and retention of the fluid in the front-rear direction until the falling fluid enters each phase storage body and exits from the discharge port.
  • (a), (b), (c), and (d) are schematic diagrams viewed from the front side in order to explain the movement of the on-off valves provided on the side walls of each phase storage body during rotation.
  • (a), (b), and (c) are diagrams each showing how fluid flows into each phase reservoir when the rotation angle is 30 degrees.
  • (a), (b), and (c) are diagrams each showing how fluid flows into each phase reservoir when the rotation angle is 60 degrees.
  • (a), (b), and (c) are diagrams each showing how fluid flows into each phase reservoir when the rotation angle is 90 degrees.
  • (a), (b), and (c) are diagrams each showing how fluid flows into each phase reservoir when the rotation angle is 120 degrees.
  • FIG. 3 is a perspective view of another turbine device according to the present embodiment.
  • FIG. 3 is a diagram of another turbine device viewed from the front side.
  • (a), (b), (c), and (d) are diagrams for explaining operations of other turbine devices, respectively. It is a figure for explaining a siphon phenomenon when a plurality of water storage tanks are provided in the horizontal direction, and is a figure showing a state where a valve is closed.
  • FIG. 24 is a diagram for explaining the siphon phenomenon in a state where the valve is opened.
  • FIG. 3 is a diagram showing a configuration in which fluid reservoirs are connected in the vertical direction.
  • FIG. 2 is a schematic perspective view for explaining a serially connected turbine device according to the present embodiment that utilizes a siphon phenomenon.
  • FIG. 2 is a diagram showing an example of a continuous turbine device that utilizes the siphon phenomenon using the potential energy of naturally falling fluid.
  • FIG. 2 is a diagram illustrating an example of a serially connected turbine device that uses a siphon phenomenon to provide a fluid return passage and a pump that circulates the fluid. It is a diagram showing angle on the horizontal axis and relative torque output on the vertical axis.
  • the reservoir has an expanse in the direction in which the rotating shaft extends (front-back direction), and also in the width direction (lateral and radial directions). It is a receptor for fluid that moves, convects, and stagnates between bodies.
  • the reservoir can also be constructed in the form of a container. Each reservoir has an opening that receives fluid from an inlet, typically supplied from above. The aperture primarily functions as an inlet for fluid into the reservoir.
  • the rotational torque output that is, the conversion efficiency into rotational energy is significantly affected by the shape of the storage body.
  • the linear flat plate 52 is rotated by the fluid 4 falling from above, and as shown in FIG. 6(b), the force of water volume due to gravity is converted into rotational torque. It is important to compare this with a state in which the object is rotated at a "low speed” with the aim of prolonging the time it is affected by gravity.
  • a container 51 that creates a natural "flow” that "stagnates” while performing "convection”
  • a structure that uses a flat plate 52 that uses a flat plate 52.
  • the advantages of the configuration of this embodiment can be easily understood.
  • the configuration of this embodiment which will be described later, in an instantaneous operating state (in which there is accumulated water in advance), the injected water and the discharged water are in exactly the same operating state, that is, they consume the same potential energy.
  • the efficiency of conversion into rotational torque can be increased not only several times, but tens of times, even hundreds of times.
  • Distribution function section 36 As shown in FIGS. 8 to 13, when fluid flows upward into the reservoir due to the action of gravity, and when fluid flows out from the reservoir due to the action of gravity, the flow of fluid into the reservoir is It is important to consider a reservoir configuration that can continuously and efficiently realize supply and discharge around a rotation axis. Note that in this specification, "distribution of fluid” is a concept that includes movement of fluid between different reservoirs, division (branching), and the like. Taking as an example a member to be described later, the distribution function section 36 may be configured by, for example, only the inter-reservoir communication port 38. The inter-reservoir communication port 38 may also be an inter-reservoir communication path 39 having a certain length.
  • part or all of the opening 40 that takes the fluid into the reservoir from the supply port 22 may function as part of the distribution function section 36.
  • a configuration including a distribution tool can be exemplified.
  • the distributing device include a valve body, an on-off valve 5, a water channel (gate mechanism), etc., as shown in the specific configuration described later.
  • (Aspect 3) Supply Port A supply port for supplying fluid to the reservoir from above is disposed at a position facing the opening and suitable for supplying the fluid.
  • the fluid supply port is constituted by a fluid supply pipe 34 (see, for example, FIGS. 1 and 14).
  • the length of the supply port in the longitudinal direction, the length in the lateral direction, and the cross-sectional shape of the supply port when viewed from above are optimal for generating rotational torque depending on, for example, the configuration of the opening and, for example, the configuration of the distributor. is designed to be.
  • the efficiency of utilizing the potential energy of the fluid can be increased compared to the case where only one turbine device 1a is provided at the lowermost storage tank 70a. .
  • the reason is that when water falls from the highest water supply position, that is, the lower end of the connecting pipe 77 of the storage tank 70c, if there is only one turbine device 1a at the lowest position, the turbine Due to phenomena such as impact, vibration, water splashing, and sound generation caused by the collision of the falling water with the turbine blades of the device 1a, the potential energy of the water at a higher position is lost, and the energy conversion efficiency is reduced. Because it will be.
  • the configuration in which a siphon-type communication passage, which will be described later, is provided is an example of a configuration related to a subordinate concept of a continuous type turbine device.
  • One of the features of the concept of this embodiment is that when converting the potential energy of a fluid falling from above into the torque of the rotating shaft of the turbine shaft, the instantaneous kinetic energy hitting the turbine blades is converted into rotational torque.
  • the potential energy of the fluid can be efficiently converted into rotational energy by adopting various configurations and devices for allowing fluid to flow between individual reservoirs or between multiple reservoirs, causing convection and storage. There are some points that I have found.
  • FIG. 2(a), (b), (c), and (d) are diagrams showing the shapes of turbine blades (turbine blades), respectively, and Figure 3 is the rotation of each turbine blade in Figures 2(b), (c, and d).
  • FIG. 3 is a diagram illustrating a sequence.
  • FIG. 4 is a diagram for considering the gravitational effect rate depending on the rotation angle using trigonometric functions, where the solid line indicates a sine curve and the broken line indicates a cosine curve.
  • FIG. 5 is a diagram schematically showing factors that cause rotational torque.
  • arrow G indicates gravity
  • arrow EG indicates effective gravity
  • arrow M indicates moment of inertia.
  • T indicates rotational torque.
  • FIG. 2 there are various ways to rotate a dielectric power generator using turbine blades, depending on the system configuration of the motive force that rotates the turbine blades.
  • To convert fluids such as steam or water flowing at high pressure into rotational energy it is necessary to install a large number of blades to increase the surface area that receives pressure. The higher the fluid pressure, the less pressure energy can be converted into rotational energy with a single blade wheel, so a method of stacking blade wheels in multiple layers is used.
  • the number of blade wheels is small, the efficiency of absorbing pressure and converting it into rotational power will be reduced, and the pressure will be wasted.
  • the number of blade wheels is too large, fluid resistance will increase and the overall fluid velocity will increase.
  • the turbine speed is also reduced, so just designing the turbine blades to improve the rotational efficiency of the turbine requires extremely complex and delicate design, installation, and operation.
  • the storage body of this embodiment As mentioned above, if we consider the storage body of this embodiment as a type of blade, it is not intended to receive pressure, but to receive water falling due to gravity, and the force due to the weight of the water is effective for torque conversion. It is important to be able to stay in a certain position for as long as possible. Therefore, there will be a large difference in the torque conversion characteristics depending on the shape of the reservoir. For example, even though the three types of reservoirs shown in Figure 3 below, b, c, and d, do not have much difference in appearance, there is a significant difference in torque conversion efficiency in the rotation range from 0° to 90°. .
  • this torque output (Tcon) characteristic is different between the semicircular 4-blade blade "Type b" shown in Fig. 7(a) and the semicircular 3-blade blade shown in Fig. 7(b).
  • the three-blade phase curve-shaped blade of "Type d” has a "phase curve shape” in which the deployment angle expands in a spiral shape toward the outer shell, as shown in Fig. 7(c). It can be seen that the performance is good. In other words, when comparing the torque output, it can be seen that the torque output of the "Type d" phase curve blade has far less deviation than the other two types, and has good "stability" over the entire rotation range.
  • the blade shape adopts a "spiral curve" in which the radius increases from the rotation center and extends to the outer periphery, as shown in Figure 3(d), with three spiral curves arranged at 120° intervals around the rotation axis. This means that the blade shape with the blade configuration is more efficient.
  • the physical formula for the energy (output energy) that can be generated from rotational torque is the correlation between generated output P [kW] and torque T [Nm], and output P [W] from torque T [Nm] and rotational speed N [rps].
  • the stability of rotational torque is an essential element when considering the power generation efficiency of a power generation system. In a system like this embodiment, which catches water falling due to gravity, stores it to a certain extent, and uses the force of the weight of that water to turn a turbine, it is possible to rotate the constantly changing weight balance of water.
  • FIG. 1 is an external perspective view showing the external appearance of a turbine device 1 (hereinafter sometimes referred to as a turbine for simplicity) according to the present embodiment
  • FIGS. 9 to 11 are exploded views of the turbine
  • FIG. 12 is an on-off valve.
  • FIG. 3 is a perspective view for explaining the configuration of the vicinity.
  • the turbine 1 exemplified in this embodiment takes a water flow caused by the natural fall of water 4 as a fluid into the turbine device 1, rotates the rotating shaft 2, and generates the rotational power of the rotating shaft 2.
  • a generator 3 such as a dynamo or alternator.
  • the direction in which water 4 falls is the vertical direction (referred to as the X direction in FIG. 1)
  • the direction in which the rotating shaft 2 extends is the front-rear direction (referred to as the Y direction in FIG. 1).
  • the direction perpendicular to both the up-down direction and the front-back direction is called the lateral direction, the lateral direction (radial direction), or the left-right direction (shown as the Z direction in FIG. 1).
  • the phase storage body 6 is a storage container fixed to the rotating shaft 2 of the turbine device 1, and is a three-dimensional storage container divided into a plurality of container parts in the direction in which the rotating shaft extends (front-back direction). It is composed of side walls 16 (rotating blades) that are twisted in a circular motion. Moreover, each phase storage body 6 has a front wall 14, a rear wall 15, and a side wall 16, and is a container that stores water as a fluid.
  • the shapes of the front wall 14 and the rear wall 15 are not particularly limited as long as they are shapes that allow water to move and accumulate together with the side walls 16 within a predetermined time period determined by the system.
  • the phase storage body 6 rotates the front curve 30 described later and the front curve 30 in a predetermined direction by a twist angle ⁇ (see FIG. 8(b)), and rotates the front curve 30 in a predetermined direction by an extension angle ⁇ (see FIG. 8(b)).
  • ⁇ twist angle
  • ⁇ extension angle
  • ⁇ extension angle
  • the side wall 16 of each phase reservoir 6 has a central region with a large curvature extending radially from the center of rotation and a peripheral region with a small curvature extending along the inner circumferential wall of the inner cylindrical shell.
  • a twist angle ⁇ see FIG. 8(b)
  • ⁇ extension angle
  • ⁇ is connected to the rear curve 31 by a side wall 16 extending in the front-rear direction.
  • the side wall 16 of each phase reservoir 6 has a central region with a large curvature extending radially from the center of rotation and a peripheral region with a small curvature extending along the inner circumferential wall of the inner cylindrical shell.
  • the front curve 30 and the rear curve 31 be configured as "a spiral curve in which the radial distance of the rotary blade increases as it rotates in the circumferential direction."
  • the expression "spiral curve” is used to include a polygonal line shape that connects a plurality of straight lines close to an approximate curve or a spiral curve to the extent that energy efficiency can be improved.
  • spiral curves including Archimedean spiral curves, logarithmic spiral curves, Fibonacci lines, and unknown adaptive spirals that are calculated to improve power generation efficiency in accordance with the usage pattern of fluid. Examples include curves. Which curve to use is selected depending on the required capacity, properties, surrounding conditions, etc. of each turbine device.
  • the number of blades formed along the spiral curve is not limited to three, but in order to achieve high energy efficiency, the number of blades is increased as explained using FIGS. 3 and 7. It is preferable to consist of three pieces.
  • twist angle In the relationship between the front curve 30 and the rear curve 31 described above, in the phase around the rotation axis, the phase of the rear curve 31 is compared to the phase of the front curve 30, for example, by a twist angle ⁇ around the rotation axis in the rotation direction. I'm shifting it so I can move forward.
  • the torsion angle ⁇ is preferably determined from the viewpoint of a shape that increases the amount of fluid retained in an angular range of 30° above and below the horizontal axis, that is, 60°. , the twist angle ⁇ is appropriately set.
  • extension angle ⁇ increases the capacity of the water container when storing water, and also allows the side edge 33 of the side wall 16 (for example, see FIG.
  • the twist angle ⁇ and the extension angle ⁇ are both set to about 60°.
  • the rotational torque can be increased.
  • the direction in which the water flows and the direction of the discharge port from which the water is discharged are opposite directions due to the difference in height between the side walls of the storage body in the front and rear directions. From this point of view, we designed the slope of the height position of the bottom of the side wall of each reservoir, and also positioned the water supply and discharge ports of each reservoir at positions closer to the ends of the turbine device in the longitudinal direction. It is preferable to provide one.
  • FIG. 13 shows that the rearward flow of water due to the difference in the bottom height position of the side wall 16 explained above and the forward flow of water at the time of discharge are performed continuously in each phase reservoir.
  • FIG. 3 is a diagram schematically showing the situation.
  • an on-off valve it is preferable to provide an on-off valve as a valve body or a distributor for supplying water to each phase reservoir from above along the peripheral region of the phase reservoir. If each phase storage body is composed of a bowl-shaped water container concave downward as shown in FIG. 6(b), and the entire upper surface is completely open, the Since the timing at which the falling water is supplied is not optimized and the position at which the water falls onto the phase reservoir cannot be optimized, it is not possible to increase the rotational torque. In other words, the combination of the configuration of the supply port 22, the configuration of the opening 40, and the configuration of the distribution function section 36, in other words, optimization of each of these parameters is important. If the description is limited to the present embodiment shown in FIGS.
  • the preferred main functions of the on-off valve are as follows.
  • (A) Opening/closing valves provided along the peripheral region of the phase reservoirs operate to form openings into each phase reservoir for introducing upward water as each phase reservoir moves upwardly.
  • the on-off valve provided in the turbine device 1 is configured so that the distribution of the amount of water stored in each phase storage body and the storage time are extended. Further, it is preferable that each phase storage body is provided with an on-off valve.
  • the on-off valve may also be constructed by providing a support shaft extending in the front-rear direction at a circumferential position in the peripheral area of each phase storage body, and rotating the on-off valve around the support shaft. It is preferable that the on-off valve such as a revolving door has a curved line when viewed from the front so as to follow the curvature of the peripheral area of each phase storage body. Further, it is preferable that the opening/closing valve is configured so that its opening/closing angle (hanging angle viewed from the support shaft) changes due to the action of gravity or the like.
  • a configuration using gravity as the driving force for the on-off valve can be constructed inexpensively and easily, in the present invention, in order to improve the timing adjustment and the degree of closing of the opening, it is preferable to use a driving means for the on-off valve other than gravity (for example, This does not exclude configurations in which various actuators, etc.) are provided.
  • a dispensing device is provided.
  • the on-off valve 5 also serves as a dispensing device.
  • the turbine device 1 As shown in FIG. 9, the turbine device 1 according to this embodiment is housed in an inner cylindrical shell 11. As shown in FIG. Further, the inner cylindrical shell 11 is accommodated in the outer cylindrical shell 18. As shown in FIG. 9(b), the turbine device 1 has three side walls 16 arranged at 120° intervals around the rotating shaft 2, with the side walls 16 increasing in radius from the center in the circumferential direction. , and the outer periphery is surrounded by an inner cylindrical shell 11.
  • the inner cylindrical shell 11 has a shape like a cylindrical container in which a cylindrical plate 13 is attached to a rear circular plate 12.
  • the front side wall 16 is fixed to the front circular plate 17, and the rear side wall 16 is fixed to the rear circular plate 12.
  • Most of the side wall 16 in the front-rear direction is accommodated within the cylindrical plate 13 of the inner cylindrical shell 11 and fixed to the inner peripheral wall of the cylindrical plate 13. Therefore, the inner cylindrical shell 11 rotates as the rotating shaft 2 rotates.
  • the length of the cylindrical plate 13 of the inner cylindrical shell 11 in the front-rear direction is longer than the length of the turbine blade in the front-rear direction (the length of the side wall 16 attached to the rotating shaft 2). Since the opening 40 is formed to be shorter by the length d in the longitudinal direction shown in FIG. 12, an opening 40 having no circumferential wall of the cylindrical plate 13 is formed on the front side of the turbine device 1 over 360 degrees around the rotating shaft 2.
  • the outer cylindrical shell 18 is concentrically formed with the inner cylindrical shell 11 and has a substantially similar shape on the rotating shaft 2. It is constructed into a container shape by a front circular plate 19, a rear circular plate 20, and a cylindrical plate 21 to prevent water from leaking.
  • the space between the outer circumferential wall of the inner cylindrical shell 11 and the inner circumferential wall of the outer cylindrical shell 18 functions as a discharge passage 24 through which water leaking from the side wall 16 of each phase storage body flows downward (see FIG. 17(a)).
  • a supply port 22 for power water to the turbine device 1 is provided at an upper position (preferably at the uppermost position) near the front end of the outer cylindrical shell 18.
  • a power water outlet 23 is provided at a lower position near the front end of the outer cylindrical shell 18 (preferably at the lowermost position).
  • the outer cylindrical shell 18 may be replaced by an outer shell of another shape, a funnel, or the like, as long as it has a structure that allows water to be supplied and discharged well inside.
  • a support shaft 7 extending in the front-rear direction is provided at the end of the peripheral area of the twisted side wall 16 facing the front opening 40 at an end position of the main body of the valve body.
  • an opening/closing door 10 serving as the opening/closing valve 5 is configured.
  • Three opening/closing doors 10 are provided at 120° intervals.
  • the opening/closing door 10 is an opening/closing valve 5 having an inward-opening structure that hangs down toward the inside of a cylindrical body around a support shaft 7 as a central axis due to gravity.
  • the on-off valve 5 when the on-off valve 5 is supported by the peripheral area of the side wall 16, due to the action of water pressure and gravity in the phase reservoir 6, the peripheral area of the side wall 16 is made of an elastic body, etc.
  • the close contact portions are in close contact with each other to form an on-off valve that hardly leaks water in the phase storage body 6.
  • the on-off valve 5 has a substantially curved shape that is substantially the same as the peripheral area of the side wall 16 when viewed from the front, and has a substantially curved plate shape with a substantially width d in the front-rear direction. It has been formed.
  • each phase space 28 includes an on-off valve 5 and an opening 40 (see FIG. 12). Fluid such as water flows into each phase space 28 from the water (reference) and rotates while being stored in each phase space 28.
  • connection form of the side walls 16 constituting each phase space 28 in the front-rear direction is such that the central side line part of the front curve 30 is connected to the central side line part of the rear curve 31, and the outer peripheral side line part of the front curve 30 is connected to the central side line part of the rear curve 31. are connected to the outer circumferential side line portion of the rear curve 31, so three three-dimensionally twisted phase reservoirs 6a, 6b, and 6c as shown in FIGS. 8(e) to 8(f) are formed, respectively. Ru.
  • the rear wall 15 constituting each phase reservoir 6 is constructed using the rear circular plate 12 of the inner cylindrical shell 11. That is, as shown in FIG. 8(c), each of the three spiral rear walls 15 is formed by using the wall surface of the rear circular plate 12 (see FIG. 9(c)).
  • the front wall 14 constituting each phase storage body 6 is constructed using a front circular plate 17 (see FIG. 9(b)). That is, as shown in FIG. 8(a), each of the three spiral-shaped front walls 14 is formed by using the wall surface of the front circular plate 17.
  • the configuration of this phase storage body allows for automatic movement of the water flow generated by the water's own weight (gravity), and changes in the gravity balance due to the movement of the water, which is always effective in the rotation range by highly efficient torque conversion.
  • this turbine device can automatically create “convection” and “retention” in the optimal form and generate stable torque without using a pump or control device.
  • the shape of the outer shell of the storage body in each of the three phase spaces 28 is such that the phase angle continues from the side where the phase angle lags (the left side of the inner cylindrical shell 11 in the drawing) to the side where the phase angle advances in a twisted manner.
  • the space is shaped like a ⁇ waterway'' that ⁇ spreads out at the end'' and ⁇ gently descends.''
  • FIG. 2 is a diagram schematically showing the movement of. 15 to 20, (a) shows the inflow state seen from the front side, (b) shows the inflow state seen from an oblique direction, and (c) shows the inflow state seen from the rear side. are shown respectively. As shown in FIG.
  • the position of the bearing body 8a of the on-off valve 5a corresponding to the first side wall 16a is 0° at the time of startup, that is, rotated 30° clockwise from (see FIG. 14(a)).
  • water falling from above flows into the first side wall 16a through the opening 40 (see FIG. 12), and the first on-off valve 5a is closed due to the action of water pressure and gravity. become.
  • the bottom height position of the first side wall 16a on the rear side is higher than that of the first side wall on the front side. Since the bottom wall is inclined to be at a lower position than the bottom height position of 16a, the water flowing in moves downward to the rear.
  • the second on-off valve 5b is brought into an open state by the action of gravity, leaves the state along the second side wall 16b, and comes into contact with the wall surface on the center side of the third side wall 16c. is in a state. Further, the water falling from the supply port 22 hits the center side wall of the second side wall 16b, and is gradually diffused in the radial direction of the first side wall 16a to a position below the first side wall 16a. It accumulates in In this case, since the water falling toward the first side wall 16b is configured to hit a large curvature part at the center of the first side wall 16b, most of the water that bounces back is absorbed into the phase reservoir. It is designed to flow into the body 6a.
  • the second on-off valve 5b is rotated from the parallel state shown in FIG.
  • the second side wall 16b is further tilted inward, and an opening is formed in the outer peripheral side wall of the second side wall 16b by the second on-off valve 5b.
  • the height position on the rear side of the phase storage body 6b is also low, water flows toward the rear side and is gradually stored.
  • the annular space between the inner cylindrical shell 11 and the outer cylindrical shell 18 functions as a discharge passage 24, and water is discharged from the discharge port 23. Further, in the state shown in FIG. 17, all of the falling water flows into the phase reservoir 6b. In this way, the pattern of water injection into the phase reservoirs 6a and 6b, convection, retention, overflow from the side edge 33, and discharge from the opening 40 and the discharge port 23 is 0° to 90° (90° is the fluid flow rate). This occurs in the range of the instant of overflowing from the lateral edge 33). Moreover, such a phenomenon creates a "time difference" in the flow of fluid into the phase reservoirs 6a and 6b by the on-off valve 5.
  • the water channel (gate mechanism) included in the distribution function section 36 is an important element in order to convert the vertically directed gravity vector into rotational torque with high efficiency without disturbing it. Specifically, in order to efficiently convert water that flows down in a straight line due to gravity into a circular orbit and convert it into torque, avoid as much as possible the form of water storage where the falling water collides and bounces back. Must be a structure.
  • the distribution function section 16 is configured with a "movable on-off valve 5" that is operated by gravity to solve these problems.
  • the drive/control means for the "movable on-off valve 5" is not limited to gravity.
  • the advantage of this embodiment is that the turbine device can highly efficiently utilize potential energy resources stored in fluids that have been overlooked in the past, such as short vertical drops of water, streams that flow due to the development of potential energy, and waterfalls. There are some points that can be provided. Since it has a configuration that can convert the potential energy of a fluid into rotational energy with high efficiency, this embodiment is applicable not only to water but also to a wide range of technical fields that convert the potential energy of various fluids into kinetic energy. , it is possible to implement.
  • FIG. 21 to 23 are diagrams for explaining a turbine device in which the distribution function section 36 is composed of an inter-reservoir communication path 39 that connects a plurality of reservoirs, and a distribution pump 37.
  • this turbine device has an inner cylindrical shell 11 similar to the Durbin device configured in the first embodiment, and a side wall 16 is provided on the front side of the front circular plate 17 and the rear side circular plate 12, respectively. It has a configuration that appears as a curve 30.30.
  • these three reservoirs 90a, 90b, and 90c are reservoirs each having no twist angle ⁇ and no extension angle ⁇ . As shown in FIG.
  • an inter-reservoir communication passage 39 that communicates a first inlet 92 in the first reservoir 90a with a first outlet 93 in the second reservoir 90b, and a first inlet 92 in the second reservoir 90b communicate with each other.
  • An inter-reservoir communication path 39 that communicates the second inlet 94 with the second outlet 95 in the third reservoir 90c, and the third inlet 96 in the third reservoir 90c and the third outlet 97 in the first reservoir 90a.
  • An inter-storage body communication path 39 is provided to communicate with the storage bodies.
  • Distribution pumps P1, P2, and P3 are each provided at a predetermined position capable of moving fluid between the inlet and the outlet.
  • FIG. 22 shows a configuration in which distribution pumps P1, P2, and P3 are provided in the inter-reservoir communication path 39. Furthermore, as shown in FIG. 21, the respective inter-reservoir communication passages 39 and the distribution pumps P1, P2, P3 are shown to be provided closer to the front side of the turbine device.
  • the sequence for operating this turbine device is to move water as shown in FIG. 23, thereby making it possible to generate strong and stable rotational torque over the entire rotation range.
  • water has already accumulated in the first reservoir 90a located at the upper right. If we assume that a state in which rotational torque is applied in the clockwise direction is considered as a 0° start, then in this 0° state, the dielectric generator begins to rotate slowly while receiving resistance from the rotating shaft to rotate the shaft.
  • the weight of water at 0° is the peak point of the storage state that is most effective for rotational torque conversion, and at 0° in Fig.
  • P2 and P3 pumps operate in the same way as P1 shown in Figure 23 at appropriate times, and this 90° rotation pattern is repeated four times, resulting in stable torque conversion over the entire rotation range. can be made possible.
  • the structure is such that water does not enter from above, but the supply port 22 (not shown), the discharge port 23 (not shown), and the outer cylindrical shell 18 (not shown) may be ), and water enters from the supply port 22 and is discharged from the discharge port 23.
  • a reservoir plate connecting path 39 is provided between the plurality of reservoirs as appropriate, and the distribution pump 37 is driven. .
  • the third embodiment is a continuous type turbine device that utilizes a siphon phenomenon.
  • a plurality of turbine devices having turbine blades (storage bodies) of various shapes and extracting the potential energy of a fluid as kinetic energy are arranged in a substantially horizontal direction, and each turbine device is communicated with each other.
  • a fluid communication passage is provided, a siphon type communication passage using a siphon phenomenon is provided in at least a part of the fluid communication passage, and rotation of a plurality of turbine devices is realized based on the siphon phenomenon.
  • turbine blades storage bodies of various shapes
  • conversion means that converts the potential energy of falling fluid into practical kinetic energy such as rotational energy.
  • Such energy conversion means are housed in a container with falling fluid, such as a turbine arrangement that extracts kinetic energy.
  • the energy conversion means include devices and elements such as means for converting pressure fluctuations caused by a fluid, positional fluctuations of a converter due to falling fluid, and electromagnetic field fluctuations for a coil or the like into energy.
  • a piezo element etc. can be illustrated as such an example.
  • the siphon phenomenon when a plurality of water storage tanks is provided will be described.
  • the siphon phenomenon generally occurs when water is flowed through a pipe connecting a high starting point and a low destination point. Explanations for the occurrence of the siphon phenomenon include those that emphasize atmospheric pressure and the difference in gravity that affects the amount of water in the pipe due to height differences within the pipe. Although there are many cases, in this embodiment, emphasis is placed on phenomena that actually occur.
  • a siphon phenomenon occurs from the lower position of the water storage tank 70 on the upstream side to the downstream side.
  • a communicating path 71 is provided in the upper part of a certain water storage tank 70 and each water storage tank 70a, 70b, 70c is filled with water 69.
  • all the spaces in each water storage tank 70a, 70b, 70c and the communication path 71 are filled with water (not shown), or as shown in FIG. , 70b, 70c are filled with a certain amount of water on the lower side and air on the upper side.
  • a discharge path 74 connected to the water storage tank 70a on the most downstream side is provided, and when the valve body 72 provided in the discharge path 74 is closed, as shown in FIG.
  • the valve body 72 When the valve body 72 is opened, air 73 is sucked in from the communication passage 71 provided at the upper part of the water storage tank 70c, and the height position of the water in the water storage tanks 70a and 70b hardly changes. , a phenomenon occurs in which water continuously flows out from the discharge channel 74.
  • FIG. 26 is a diagram showing a configuration in which water storage tanks 70a, 70b, and 70c are connected and connected in the vertical direction via a conduit 77.
  • FIGS. 24 and 25 As can be seen by comparing the siphon phenomenon in FIGS. 24 and 25 with FIG. 26, if the water storage tanks 70a, 70b, 70c70 are arranged approximately horizontally and the siphon phenomenon as described above is repeated, the structure shown in FIG. This creates a fluid flow phenomenon that is almost the same as stacking up and down in the vertical direction. If the configuration uses the siphon phenomenon shown in Figures 24 and 25, various conditions must be met to create a system that can repeatedly obtain potential energy by simply arranging each storage tank in a substantially horizontal direction without using pumping energy. This can be achieved by preparing the following.
  • FIG. 27 a continuous turbine system 62 using natural fluid fall, which is an example of the third embodiment, will be described.
  • a first upper reservoir 54a into which the upper water (fluid 4) flows is provided above the first turbine device 1a, and a first turbine device 1a is provided at a lower position of the upper reservoir 54a.
  • An upper connection passage 55a for supplying water to the supply port 22a is provided. Water discharged from the discharge port 23a of the first turbine device 1a is stored in the first lower storage tank 57a via the lower connection passage 56a.
  • the upper connection passage 55a and the lower connection passage 56a may be omitted as appropriate.
  • a rising passage 58 attached to the outlet 45 at a position lower than the height of the water put into the first lower storage tank 57a and a connecting passage located at a position higher than the supply port 22b of the second turbine device 1b. It communicates with 59.
  • the downstream side of the connection passage 59 is connected to the supply port 22b of the second turbine device 1b.
  • the connecting passage 59 is shown to be U-shaped.
  • the rising passage 58 and the connecting passage 59 constitute an example of the above-mentioned siphon type communication passage.
  • a second lower storage tank 57b is provided below the second turbine device 1b, and the water in the second lower storage tank 57 is discharged from the discharge port 46 of the second lower storage tank 57b through the discharge passage 61.
  • the fluid path communication passage 80 is configured to include at least a passage through which fluid flows from the upstream side to the downstream side.
  • the fluid path communication path 80 is used as a concept including the first upper storage tank 54a, the lower storage tanks 57a and 57b, the siphon type communication path, the return path 65, and the like.
  • the upper storage tank 54a shown in FIG. 27, which stores power water, is designed to prevent excess air from entering or leaking from the turbine module, thereby preventing the stabilization of the water level in the downstream storage tank that functions as a siphon. It is set up to do so. Furthermore, if the amount of the original water source poured by gravity is equal to or greater than the amount of water coming out from the final outlet 46 of the siphon chain, the connected turbine system 62 using this siphon phenomenon will operate stably. As a result, stable power generation can continue.
  • the second upper storage tank 54b (not shown) is omitted, and a configuration in which only the second lower storage tank 57b is provided is shown.
  • the second upper storage tank 54b (not shown) is provided at a higher position than the supply port 22b of the second turbine device 1b, and the siphon type communication path is connected to the second upper storage tank 54b.
  • a configuration in which it communicates with a storage tank 54b (not shown) can also be adopted.
  • the highest position of the connection passage 59 is shown to reach the first upper storage tank 54a, but at least the highest position of the connection passage 59 reaches the first upper storage tank 54a. Any configuration may be used as long as it is located at a higher position and can supply water to the supply port 22b.
  • FIG. 28 illustrates such a configuration, and is a diagram showing a configuration in which four turbine devices 1a, 1b, 1c, and 1d are arranged in series.
  • FIG. 28 since both the aforementioned front curve and the rear curve twisted at the twist angle ⁇ are drawn, a total of six side walls 16 are drawn, three on the front side and three on the rear side. It is shown in the figure.
  • FIGS. 27 and 29 (Connected turbine system with fluid return passage and pump) As a modification of the third embodiment, as shown in FIGS. 27 and 29, a return passage 65 for returning fluid from the turbine device on the downstream side to the turbine device on the upstream side and a pump 66 for circulating the fluid are provided. A continuous turbine system will be explained. To explain the features of this configuration using the example of FIG. 27, a return passage 65 shown by a broken line in FIG. The water is returned to the upper storage tank 54a. That is, by connecting the water discharged from the final discharge passage 61 of the connected turbine system to the first water intake part of the siphon chain using a pump 66 that operates with small electric power and has a small-scale pumping function. More siphon chain elements 67 can be connected. Further, the configuration shown in FIG.
  • FIG. 29 shows a turbine system in which four turbine devices 1a, 1b, 1c, and 1d are connected through a fluid path communication path 80.
  • the first upper storage tank 54a is not provided in the upper part of the first turbine device 1a, and the water returned by the pump 66 is directly communicated with the supply port 22 of the first turbine device 1a. There is.
  • the number of continuous installations can be reduced compared to natural fall. It can be increased compared to the configuration.
  • the power generation efficiency of the system can be improved by using a type of fluid that can reduce the amount of gas that dissolves into the fluid when the pressure is reduced, and reduce various resistance factors such as surface tension between the fluid and the passage. You can also do it.
  • the potential energy possessed by solid substances and the potential energy possessed by fluids such as water are determined based on the time axis affected by gravity as a physical phenomenon that actually occurs, as described above.
  • non-solid liquid substances such as water and air
  • by changing or creating special flows such as convection and stagnation, we can create an effect that overlaps the dynamic changes of fluid substances with mass over time.
  • the idea of the present invention makes it possible to efficiently supplement and fill in "blank areas that cannot be filled” using, for example, the following four methodologies and systems.
  • the first methodology is to use a blade shape that utilizes the phase curve shown in Figure 2(d) to increase the amount of storage over time, resulting in a significant amount of water as shown in Figure 7(c). This makes it possible to fill in the blank areas.
  • the second methodology is a "distorted space" in which a two-dimensional phase curve as explained in the first embodiment is given a three-dimensional phase angle and a "twist" is added to the configuration of the first methodology. ” is being created. Then, each "distorted space” is installed in an integrated form, and by using the accurate flow of water due to natural gravity, the opening and closing of the inlet to each space is controlled in a timely manner, and the inflow timing of powered water is controlled.
  • FIG. 30 is an explanatory diagram thereof.
  • a rectangular region 87 corresponding to a relative torque of 1.0 on the vertical axis is almost filled by four chevron curves 86. This shows that stable torque output can be obtained by providing a distribution function section and switching the reservoir waterway as described above.
  • the third methodology is a configuration that does not use a distorted space that is twisted like the second methodology.
  • a pump means such as an electric pump
  • the inter-reservoir communication passage 39 is provided so that the "center of gravity" of the power water flowing into each space is always at a position effective for rotational torque conversion.
  • the flow rate per unit time that is spatially moved at appropriate timing it is possible to achieve torque conversion performance superior to that of the second method depending on various setting conditions.
  • additional energy is required to operate the pump, it must be noted that the ⁇ load on the amount of water pumped due to the difference in pumping height'' that occurs instantaneously accounts for most of the energy required to operate the pump.
  • the fourth methodology is to use an articulated system that mainly utilizes the siphon phenomenon as described in the third embodiment. Note that, if necessary, by combining the above-mentioned first, second, and third methods, it is possible to further increase the torque conversion efficiency from a different perspective.
  • Each of the systems described in the first, second, and third methodologies also makes it possible to increase the efficiency of torque conversion from gravity in each unique system configuration. In each methodology, if you look at it roughly, it is possible to further amplify torque by using the potential energy of water due to gravity, the ⁇ kinetic energy of water flow'', i.e., convection, etc., and the weight balance due to the time difference due to retention. It can also be said that they have something in common.
  • Opening/closing valve an example of a distribution function part
  • 6a, 6b, 6c Phase storage body 10: Opening/closing door (an example of an opening/closing valve) 11: Inner cylindrical shell 12: Rear circular plate 13: Cylindrical plate 14: Front wall 15: Rear wall 16: Side wall 17: Front circular plate 22: Supply port 30: Front curve 31: Back curve 33: Side Side edge of wall 36: Distribution function section 37: Distribution pump 38: Communication port between reservoirs (an example of distribution function section) 39: Inter-reservoir communication path (an example of a distribution function part) 40: Opening 54a: First upper storage tank 57a: First lower storage tank 57b: Second lower storage tank 58: Rising passage (passage forming part of the siphon communication passage) 59: Connection passage (passage that forms part of the siphon type communication passage) 65: Return passage 66: Pump 80: Fluid communication passage 90, 90a, 90b, 90c: Reservoir ⁇ :

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Turbines (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

L'invention concerne un dispositif de turbine qui est capable de convertir efficacement l'énergie potentielle d'un fluide en énergie afin de faire tourner une turbine utilisée dans la production d'énergie ou similaire.　Plus particulièrement, l'invention concerne un dispositif de turbine dans lequel un fluide (4) fourni par le dessus fait tourner une pluralité de corps de stockage à commande de phase (6) qui stockent ledit fluide (4) et sont fixés à un arbre rotatif (2). Ledit dispositif de turbine est caractérisé en ce que : les corps de stockage à commande de phase (6) sont composés d'une paroi avant, d'une paroi arrière et d'une paroi latérale, et sont des corps de stockage de fluide qui s'étendent dans la direction dans laquelle s'étend l'arbre rotatif (2) ; une courbe avant (30) de la paroi latérale visible lorsqu'elle est vue depuis l'avant et une courbe arrière (31) de la paroi latérale visible lorsqu'elle est vue depuis l'arrière sont conçues de telle sorte que, par rapport à la phase de la courbe avant, la phase de la courbe arrière (31) est mise en rotation vers l'avant dans la direction de rotation autour de l'arbre rotatif (2) par l'angle de torsion, tandis que la région périphérique de la courbe arrière (31) s'étend uniquement par l'angle d'extension ; et la paroi latérale d'un corps de stockage à commande de phase (6) est formée en reliant la courbe avant et la courbe arrière (31), qui est tournée par l'angle de torsion et s'étend par l'angle d'extension, dans la direction avant-arrière au moyen d'une surface de paroi torsadée en trois dimensions.
PCT/JP2022/030988 2022-08-16 2022-08-16 Dispositif de turbine et système de turbine connecté consécutivement WO2024038508A1 (fr)

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PCT/JP2022/030988 WO2024038508A1 (fr) 2022-08-16 2022-08-16 Dispositif de turbine et système de turbine connecté consécutivement
PCT/JP2023/028898 WO2024038799A1 (fr) 2022-08-16 2023-08-08 Dispositif de turbine, dispositif d'induction électromagnétique et système de turbine connecté consécutivement

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PCT/JP2023/028898 WO2024038799A1 (fr) 2022-08-16 2023-08-08 Dispositif de turbine, dispositif d'induction électromagnétique et système de turbine connecté consécutivement

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB529660A (en) * 1939-06-05 1940-11-26 Nils Axel Sparr Improvements in vane rotors
EP1486668A1 (fr) * 2003-06-13 2004-12-15 Pietro Barozzi Turbine à action, en particulier du type réversible

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5714683B1 (ja) * 2013-11-01 2015-05-07 小島プレス工業株式会社 傘型螺旋水車
KR101692166B1 (ko) * 2014-10-21 2017-01-17 김선회 수력발전장치

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB529660A (en) * 1939-06-05 1940-11-26 Nils Axel Sparr Improvements in vane rotors
EP1486668A1 (fr) * 2003-06-13 2004-12-15 Pietro Barozzi Turbine à action, en particulier du type réversible

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