Power source for buoyant rotation power generation
The buoyancy-based power generation system addresses the inefficiencies and environmental issues of conventional power methods by using a cylindrical wheel submerged in water to generate rotational force, providing a clean and cost-effective electricity solution.
Patent Information
- Application Number
- JP2024108490
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2026-01-06
AI Technical Summary
Conventional hydroelectric, thermal, and nuclear power generation methods are costly, environmentally harmful, and resource-intensive, lacking a clean and cost-effective alternative for electricity production.
A buoyancy-based power generation system utilizing a cylindrical wheel partially submerged in water, leveraging buoyancy and water pressure to generate rotational force without fuel, with a sealed tank and pressure regulation to ensure continuous operation.
Generates electricity in a clean, cost-effective manner, suitable for various locations, independent of fossil fuels, and reduces environmental impact.
Smart Images

Figure 2026000813000001_ABST
Abstract
Description
[0001] (a) This invention is a device in which an opening is provided on one wall (4) of a water tank surrounded by four walls and a cylindrical wheel (1) is fitted into the opening. The cylindrical wheel is a device with a rotating shaft, a steel plate structure with bearings, and partition plates installed from the central rotating shaft to the outer periphery of the cylinder, creating six sealed spaces. (b) A structure in which a water leakage prevention packing (6) is attached to the gap where the cylindrical wheel (1) fits into the wall (4) of the tank at the opening. (c) The cylindrical wheel (1) is structured so that half of it is immersed in water and the other half is on the outside, with the rotating shaft (2) inside equipped with a power transmission pulley for connecting to a generator, with the wall (4) of the water tank as the boundary. (D) (Figure 3) Chambers A and F are in the water (7) and are buoyant and rotate upward counterclockwise. Chamber E is also drawn into the water (7) and continues to rotate counterclockwise through chambers D and C. [Technical Field] Since ancient times, there have been watermills in the countryside, and water (5) drawn into the blades of the watermill was dropped from above, using the weight of the water and the momentum of the river flow to generate rotational force.
[0002] The biggest difference between this invention and conventional water wheels is the use of buoyancy. (Claim 3) (Fig. 5) (Fig. 6) This invention utilizes buoyancy in river applications. The weight of the cylindrical wheel (1) on the outside separated by the wall (4) and the buoyancy of the underwater side (1), plus the small floats on the cylindrical wheel (1) being affected by the water current, make it rotate even more counterclockwise, and the cylinder continues to rotate while being continuously affected by buoyancy.
[0003] The buoyant rotation device according to the invention of claim 2 is characterized in that the cylindrical wheel penetrates from the outside into the underwater side as a boundary of the wall of the water tank. [Background technology]
[0004] Conventional hydroelectric power generation requires the construction of large dams in mountainous areas, thermal power generation requires large-scale equipment costs and generates CO2 due to the use of fossil fuels, and nuclear power generation requires high equipment and maintenance costs, and there are many other problems, including the fact that there is no established method for disposing of spent nuclear fuel.
[0005] Conventional equipment requires fuel to operate, but resources are scarce and Japan must import fuel. Furthermore, the situation overseas has worsened, oil prices have risen, and electricity prices have risen accordingly. Fossil fuel and nuclear power generation have a negative impact on the global environment and are accelerating global warming.
[0006] However, the purpose of this invention is to generate electricity in a clean, environmentally friendly way without using underground resources and at a low cost without damaging the global environment.
[0007] As a technical means to achieve the above objective, this invention is characterized by generating electricity by obtaining rotational force without using resource energy, by utilizing the buoyancy of water. When water is poured into the tank (Figure 7-B), the cylinder appears to rise due to buoyancy, but the inverted cylinder releases water and moves downward in a clockwise direction, stopping its rotation after the water is released. From the above, the cylinders at the entrance to the water do not function as a lid because the weight of the water (water pressure) on the cylinders exceeds the buoyancy of the connected cylinders in the water, resulting in a reversal. To solve this, the number of connected cylinders is increased to increase buoyancy, but if the water depth is made deeper, the water pressure on the cylinders that act as lids for their entry will increase.
[0008] (Solution 1) (Figure 8) By tilting the bucket-type buoyancy device from the vertical and increasing the length and number of connected cylinders without changing the water depth, the buoyancy can be increased, and if the cylindrical force exceeds the water pressure acting at the entrance to the water, the bucket-type buoyancy device will continue to rotate counterclockwise.
[0009] (Solution 2) (Figure 9) The water tank of the bucket-type buoyancy device is sealed, and the bucket cylinder prevents the inflow of water and air at the entrance and exit. The bottom of the tank is the entrance to the cylinder, and the top is the exit to the outside. There is always a cylinder in the tunnel at the entrance / exit that prevents water and air from flowing in. As a result, the inside of the tank is always kept sealed, making it less susceptible to the effects of outside air pressure, and the entrance cylinder is also less susceptible to water pressure. Furthermore, all of the cylinders in the tank are subjected to buoyancy, and the device generates rotational force as they rise continuously.
[0010] To ensure stable and continuous rotation of this device, a pressure regulating valve (23) is provided inside the tank (Fig. 10) to allow the cylinder (float) to handle the air continuously entering the tank inlet. A device that keeps the water pressure and air volume in the tank constant to constantly stabilize the buoyancy of the cylinder.
[0011] (Figure 10) The cylinder rises to the exit guide tunnel due to buoyancy. The water between the cylinders rises and is pushed up inside the tunnel, and is discharged into the water through a hole at the top of the tunnel. The pressure inside the sealed water tank is adjusted by the water tank pressure regulating valve 23. (Figure 11) When the air enters from the bottom of the tank, it draws in air as it rises, and water and air enter the water through the water inlet 26. However, the pressure inside the tank is kept constant by the pressure regulating valve 23.
[0011] This invention is based on the idea that an object is buoyant in water, and the object that is buoyant becomes lighter. An object with the same volume as water but a lower specific gravity than water will float even if it is submerged in water. An object with the same volume as water will become lighter in water. This device was invented based on this idea. For example, a Ferris wheel wagon acts as an enclosed space, with half of the wagon from the axis underwater and the other half outside in air.The Ferris wheel is unpowered and balanced and stationary in the absence of water, but in the above case the wagon underwater will float up and the wagon on the ground on the other side will sink.When the wagon goes underwater, the buoyancy relative to the other wagons underwater increases, and as the weight of the wagon on land increases, the Ferris wheel will continue to turn. The power generation capacity of this invention as a power source is proportional to the volume of the cylinder in water, and the larger the volume, the greater the buoyancy, making it possible to transmit a strong force to the rotating shaft. The device of this invention can be manufactured at a lower cost than conventional power generation facilities and can generate electricity in a variety of locations, such as small rivers, agricultural reservoirs, and lakes, making it possible to generate electricity in-house, from ordinary homes to public facilities and factories that require large amounts of electricity. The effect of this invention is that electricity generated without fuel, which was previously required for electricity costs, can be used for lighting, hydrogen production, and many other industries without having to worry about electricity costs, contributing to the revitalization of resource-poor Japan. [Brief explanation of the drawings]
[0012] [Figure 1] Elevation of the present invention [Figure 2] Plan view of the present invention [Figure 3] Side views (cross sections) of the present invention X to Y [Figure 4] (Claim 2) Cylindrical wheel separated type Side view (cross section) X-Y [Figure 5] A perspective view of an example of installation in a river according to the present invention. [Figure 6] (Claim 3) In the river utilization installation of the present invention, the overflow water flow is used as a water wheel. [Figure 7] 1 is a perspective view of a divided float of a cylindrical wheel according to the present invention; [Figure 8] 1 is a perspective view of a cylindrical wheel according to the present invention; [Figure 9] Cross section of a bucket-type buoyancy power unit using a sealed water tank [Figure 10] (Figure 9) Enlarged view of the top of the sealed tank [Figure 11] (Figure 9) Enlarged view of the top of the sealed tank [Explanation of symbols] 1 is a cylindrical wheel 23 is a water tank pressure adjustment valve 2 is the axis of rotation 24 is the ceiling air layer 3 is bearing 25 tunnel 4 is the wall of the tank 26 is the water inlet 5 is water 27 is a sealed tank 6 is a water leak prevention packing 28 is an air vent valve 7 is the underwater side of the 29 cylinder and the connecting part 8 is the outside 9 is the partition (inside the cylinder) 10 is an aquarium 11 is the power transmission pulley 12 (1 cylindrical wheel) divided float 13 Rotational force transmission pin of the divided float to the rotation axis 14 Water flow adjustment wall 15 Float flap axis 16 Float Flap 17 Rollers 18 Entry Point 19 exit 20 Overflow 21 Cylinder (float) 22 pulley gear
Claims
1. (Figure 1) (Figure 2) (Figure 3) (i) A cylindrical wheel with a central axis in a tube, the interior divided by partition plates with lids on both sides, creating six sealed spaces. (b) An opening 4 is made on one side of the wall of the water tank, and a cylindrical wheel 1 is fitted into it, with the inside of the wall submerged in water 7 and half of it outside the water 8. The device rotates counterclockwise around a bearing 3 on the wall due to the imbalance between buoyancy and its own weight.
2. (Figure 4) (i) The cylindrical wheel is divided into six sealed spaces by partitions, and each chamber is separated into individual chambers, and each chamber is also separated relative to the rotation axis. Rotation axis pins 13 are provided on the core axis every 60 degrees, allowing each chamber to rotate freely by 5 degrees. (b) When each chamber in the water acts as a float and receives buoyancy, it rises up and pushes up the rotation axis pin. (ii) The chamber that floats up and comes out of the water loses its buoyancy outside the water, but the force passes through the other rotating shaft pin 13 to rotate the rotating shaft, and the chamber that comes out of the water continues to rotate counterclockwise due to gravity (its own weight).
3. (Figure 5) (Figure 6) (a) When using the device of this invention in a river (Fig. 6), a cylindrical float is separated type. A small float 16 is provided by separating the tip of each of the six chambers, and the device opens and closes 15 degrees around the axis of the small float at the tip. (b) In this device, each float is subjected to buoyancy in the water. When the float rotates to the position of float B in FIG. 6, the small float 16 of B also receives buoyancy and rises up, opening like the flaps of an airplane. (c) The small float that has come out of the water tank is opened and receives the force of the river's water current, causing it to rotate even more. The roller 17 allows the closed flap to smoothly enter the water tank, and the rotation device is driven by buoyancy and the rotational force of the water wheel.
4. (Figure 7) (Figure 8) (A) (Figure 7) is a device that has pulleys installed above and below the tank, and the top and bottom of the cylinder are connected by chains at equal intervals, and the pulleys are hung in a bucket-like fashion. (b) The cylinders are connected to each other from pulleys on the inside and outside of the tank wall. When there is no water in the tank, the cylinders are balanced on the inside and outside around the pulley and are in a stopped state. (c) Figure 8: When water is poured into the tank, the cylinder in the water rises due to buoyancy, and the outer cylinder falls. Because each cylinder is connected, the cylinder in the water rises and the outer cylinder continues to rotate continuously.
5. (Fig. 9) (Fig. 10) (Fig. 11) By making the tank of the bucket-type buoyancy device a sealed tank (Figure 9), measures are taken to reduce the water pressure at the entrance and exit of the tank, and by installing a water pressure adjustment valve inside the tank, the buoyancy of the cylinder remains constant at a constant pressure, exerting a force that continues to turn the upper and lower pulleys.