KR20230037089A - Buoyancy power generating system using hydraulic pressure difference - Google Patents

Abstract

The present invention relates to a buoyancy generating apparatus using a water pressure difference. The buoyancy generating apparatus using the water pressure difference according to one aspect of the present invention may comprise: a water turbine including a plurality of blades accommodating an air and rotating by buoyancy; a nozzle supplying the air to the water turbine; a pipe connected to the nozzle and supplying the air to the nozzle; a frame supporting the water turbine; a floating base which is installed at a lower part of the frame to support the frame, and moves up and down according to inflow of the air; and a generator connected to the water turbine and performing power generation. Provided is the buoyancy generating apparatus using the water pressure difference which can be easily installed and maintained.

Description

Buoyancy generator using hydraulic pressure difference {BUOYANCY POWER GENERATING SYSTEM USING HYDRAULIC PRESSURE DIFFERENCE}

The present invention relates to a power generation device, and more particularly, to a buoyancy power generation device using a water pressure difference.

In general, tidal power generation is largely divided into a method using the water level difference caused by the ebb and flow of the tide and a method using the horizontal flow force of the tide. Electricity is generated by using the difference in water level between the inside and the outside, and the waterwheel generator is turned to produce electricity while the sea water is dropped from the high water level to the low water level.

Although tidal power generation has disadvantages such as relatively low efficiency and high construction and maintenance costs, it has advantages such as a huge amount of usable energy and no pollution, so it has excellent location conditions, including Korea. In countries with an environment, attempts to use it as an alternative energy source in the future are being actively pursued. However, the tidal power generation system has problems in that power generation efficiency is low in areas where the tidal difference is small, and high costs are required for installation and maintenance of facilities.

On the other hand, there is also a plan to generate power by installing a water wheel in the waterway, but the water wheel power generation in the waterway cannot perform power generation in the dry season, and when a flood occurs, the power generation facility may be damaged.

In addition, devices that generate electricity using a water wheel in water have a problem in that a diver must enter the water to perform dangerous work and maintenance costs increase when the water wheel is damaged or out of order due to a flood or typhoon.

Based on the technical background as described above, the present invention provides a buoyancy generator using a water pressure difference that is easy to install and maintain.

A buoyancy generator using a water pressure differential according to an aspect of the present invention includes a plurality of blades for accommodating air and is connected to an aberration that rotates by buoyancy, a nozzle for supplying air to the aberration, the nozzle, and air to the nozzle. It includes a pipe supplying a pipe, a frame supporting the aberration, a floating base installed below the frame to support the frame and moving up and down according to the inflow of air or water, and a generator connected to the aberration to generate power. can

The frame according to one aspect of the present invention further includes a plurality of guide pillars for guiding the elevating and descending of the floating base, and a plurality of sliders coupled to the guide pillars and moving along the guide pillars are installed on the floating base. It can be.

The water turbine according to an aspect of the present invention includes a center support member disposed in the center, a plurality of blades fixed to the center support member, and two cover plates surrounding side ends of the blades, the blades being the center support member It may include a wing plate connected to the outside and a wing cover bent at an outer end of the wing plate and connected in a direction crossing the longitudinal direction of the wing plate.

The blade according to one aspect of the present invention may have an L-shaped cross section.

According to one aspect of the present invention, a support block may be installed below the floating base to support the floating base so that the floating base is level with the floor.

A plurality of nozzles may be connected to the pipe according to an aspect of the present invention, and the nozzles may be spaced apart from each other in a radial direction of the aberration.

According to one aspect of the present invention, the nozzle positioned outside the aberration in the radial direction may be longer than the nozzle positioned inside the aberration in the radial direction.

The pipe according to one aspect of the present invention may further include an auxiliary supply pipe connected to the floating base to supply air to the floating base, and a valve for controlling the supply of air may be installed in the auxiliary supply pipe.

The piping according to one aspect of the present invention is a plurality of main supply pipes connected to each nozzle, a manifold pipe connected to the compressor and branched into a plurality, connecting the main supply pipes and the manifold pipe, and having flexibility. tubes may be included.

The buoyancy generator according to an aspect of the present invention further includes a power transmission unit connecting the generator and the aberration, wherein the power transmission unit includes a first sprocket installed on a rotational shaft rotating together with the aberration, and the first sprocket. A second sprocket spaced apart from each other and having a smaller diameter than the first sprocket, a first chain connecting the first sprocket and the second sprocket, and fixed to the second sprocket to connect the second sprocket and the second sprocket. A third sprocket that rotates together and has a larger diameter than the second sprocket, a fourth sprocket spaced apart from the third sprocket and connected to the generator, and a second chain connecting the third sprocket and the fourth sprocket. And, the fourth sprocket may have a smaller diameter than the third sprocket.

The buoyancy generator according to an aspect of the present invention further includes a power transmission unit connecting the generator and the aberration, wherein the power transmission unit includes a first lower bevel gear installed on a rotational shaft rotating together with the aberration, and the first A second lower bevel gear coupled to the lower bevel gear and having a smaller diameter than the first lower bevel gear, a power transmission shaft connected to the second lower bevel gear and rotating together, and a first installed above the power transmission shaft. It may include an upper bevel gear and a second upper bevel gear coupled to the first upper bevel gear and having a diameter smaller than that of the first upper bevel gear and connected to the generator.

A protection fence including a net may be installed on the frame according to an aspect of the present invention.

A plurality of the aberration turbines according to one aspect of the present invention are connected in series via a power shaft, and the power shaft may generate power by receiving power from the gearbox and the gearbox for increasing rotational speed.

According to one aspect of the present invention, the floating base is provided with a base supply pipe for supplying air or water to the floating base and a base discharge pipe for discharging air or water from the floating base, and the base supply pipe is longer than the base discharge pipe. It can be made to have a large diameter.

As described above, in the buoyancy generator using a water pressure difference according to an aspect of the present invention, air is supplied to the aberration, and the aberration rotates due to the buoyancy of the air to generate power. The buoyancy generator using a water pressure difference according to the present invention can easily raise the water wheel to the surface of the water with the buoyancy of the floating base for maintenance.

1 is a perspective view showing a buoyancy generating device using a hydraulic pressure difference according to a first embodiment of the present invention.
2 is a side view showing a buoyancy generating device using a hydraulic pressure difference according to a first embodiment of the present invention.
3 is a view showing a pipe according to a first embodiment of the present invention.
4 is a view showing a state in which buoyancy generators using water pressure differentials according to a second embodiment of the present invention are installed.
5 is a perspective view showing a buoyancy generating device using a water pressure difference according to a second embodiment of the present invention.
6 is a side view showing a buoyancy generating device using a water pressure difference according to a second embodiment of the present invention.
7 is a view showing a power transmission unit connected to an aberration in a buoyancy generator using a water pressure difference according to a second embodiment of the present invention.
8 is a diagram showing a power transmission unit connected to a generator in a buoyancy generator using a hydraulic pressure difference according to a second embodiment of the present invention.
9 is a perspective view showing a buoyancy generator using a water pressure difference according to a third embodiment of the present invention.
10 is a diagram showing a hydraulic differential generator according to a fourth embodiment of the present invention.

Since the present invention can apply various transformations and have various embodiments, specific embodiments will be exemplified and described in detail in the detailed description. However, it should be understood that this is not intended to limit the present invention to specific embodiments, and includes all transformations, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms used in the present invention are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In the present invention, terms such as 'include' or 'having' are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. At this time, it should be noted that in the accompanying drawings, the same components are indicated by the same reference numerals as much as possible. In addition, detailed descriptions of well-known functions and configurations that may obscure the gist of the present invention will be omitted. For the same reason, in the accompanying drawings, some components are exaggerated, omitted, or schematically illustrated.

Hereinafter, a buoyancy generator using a hydraulic pressure difference according to a first embodiment of the present invention will be described.

1 is a perspective view showing a buoyancy generator using a hydraulic pressure differential according to a first embodiment of the present invention, and FIG. 2 is a side view showing a buoyancy generator using a hydraulic pressure differential according to a second embodiment of the present invention, 3 is a view showing a pipe according to a first embodiment of the present invention.

1 to 3, the buoyancy generator 100 using the hydraulic pressure difference according to the present embodiment includes a water wheel 110, a frame 130, a floating base 150, a generator 161, a pipe ( 120), a nozzle 181, and a compressor 162. The water wheel 110 is installed underwater, receives air, rotates by the buoyancy of the air, and may be rotatably installed on the frame 130.

The water wheel 110 may include a central support member 115, a plurality of blades 112 fixed to the center support member 115, and two cover plates 113 surrounding side ends of the blades 112. can

The center support member 115 is formed in the shape of a circular disk and is rotatably installed on the frame 130 . The blade 112 is fixed to the center support member 115 and may be vertically connected to an outer circumferential surface of the center support member 115 . The plurality of blades 112 may be spaced apart from each other in the circumferential direction of the center support member 115 .

The blade 112 includes a wing plate 112a extending outward from the center support member 115 and a wing cover 112b bent at an outer end of the wing plate 112a and extending in a direction crossing the wing plate 112a. can do. The blade 112 may have a substantially L-shaped cross section.

The wing plate 112a and the wing cover 112b are made of a flat plate, but the present invention is not limited thereto. The wing cover 112b may protrude from the wing plate 112a in a circumferential direction. Also, the wing cover 112b may be vertically connected to the wing plate 112a. Also, the wing cover 112b may be connected to the wing plate 112a at an acute angle.

When the blade 112 includes the wing plate 112a and the wing cover 112b as in the present embodiment, a space for receiving air is increased by the wing cover 112b, thereby generating greater buoyancy.

The cover plate 113 is made of a disc, and the two cover plates 113 are spaced apart with the blade 112 interposed therebetween. The cover plate 113 may be installed to cover the blade 112 and the center support member 115 . The cover plate 113 forms a space so that air received in the blade 112 does not escape.

The frame 130 is fixed to the floating base 150 and rotatably supports the water turbine. The frame 130 may include a vertical support 131 connected upward from the water wheel and an upper support 132 coupled to an upper end of the vertical support 131 to support the generator. The frame 130 includes four vertical supports 131, and the upper support 132 is fixed to the vertical supports 131 and may be formed in a ladder shape.

The floating base 150 is made of a rectangular parallelepiped and supports the frame 130 at the lower part of the frame 130 . The floating base 150 has an inner space, and water or air may be filled in the inner space. The floating base 150 has an internal space to have sufficient buoyancy to move the water wheel on the surface of the water.

An inlet for introducing water or air and an outlet for discharging water or air may be formed in the floating base 150 . A support block 151 for supporting the floating base 150 is installed below the floating base 150, and the support block 151 supports the floating base 150 to remain horizontal with respect to the floor.

A guide column 135 for guiding the elevating and descending of the floating base 150 is coupled to the floating base 150, and an upper support bar 136 for support is installed at an upper end of the guide column 135. The buoyancy generating device 100 using a water pressure differential may include six guide pillars 135 .

A plurality of sliders 153 coupled to the guide pillar 135 and moving along the guide pillar 135 are installed in the floating base 150, and the slider 153 may be fixed to the side end of the floating base 150. .

As in the present embodiment, when the guide pillar 135 is installed and the slider 153 is coupled to the floating base 150, the floating base 150 can rise without shaking when air is introduced into the floating base 150. And, when water flows into the floating base 150, the floating base 150 can descend stably without shaking.

The compressor 162 compresses air and supplies the compressed air to the pipe 120, and a compression tank for storing the compressed air may be installed connected to the compressor 162. One compressor 162 may be connected to the plurality of water wheels 110, and the compressor 162 may be individually connected to each water wheel 110. The compressor 162 may be fixed on the frame 130 or may be installed on land or water.

Meanwhile, the pipe 120 may be connected to the compressor 162 to supply air to the nozzle 181 as well as to the floating base 150 . The pipe 120 may include a manifold pipe 123, a flexible pipe 126, a main supply pipe 124, a base supply pipe 221, and a base discharge pipe 223. The manifold pipe 123 is connected to the compressor 162 and branches into a plurality of pipes, and supplies air to the main supply pipe 124 . A valve 125 for controlling the movement of air may be installed in each manifold pipe 123.

The main supply pipe 124 is connected to the manifold pipe 123 and the nozzle 181 to supply air to the nozzle 181, and one main supply pipe 124 may be connected to each nozzle 181. The main supply pipe 124 is formed from the lower part of the water wheel to the upper part of the frame 130 . The main supply pipe 124 is fixed on the floating base 150 and can move up and down together with the floating base 150 .

The flexible pipe 126 connects the main supply pipe 124 and the manifold pipe 123 and may be made of a flexible material. The flexible tube 126 is made of a material that can be bent, and may have a structure in which wrinkles are formed on an outer circumferential surface so that its length is flexible.

The base supply pipe 221 is connected to the floating base 150 to supply air or water to the floating base 150, and a valve 129 for controlling the supply of air may be installed in the base supply pipe 221. The valve 129 opens only when the floating base 150 rises. In addition, a water supply pipe 225 for supplying water may be installed connected to the base supply pipe 221 .

The base discharge pipe 223 is connected to the floating base 150 to discharge air or water from the floating base 150 . The base supply pipe 221 is made of a pipe having a larger diameter than the base discharge pipe 223, and injects air or water under strong pressure to discharge the air or water stored in the floating base 150.

When repair of the water wheel 110 is required, air is injected into the floating base 150 and water is discharged so that the floating base 150 rises by buoyancy along with the water wheel, and the floating base 150 is lowered into the water. In this case, the floating base 150 may be moved downward by injecting water and discharging air.

The nozzle 181 is connected to a pipe to supply air to the water wheel 110 . A plurality of nozzles 181 are installed under the aberration 110, and the nozzles 181 are spaced apart from each other in the radial direction of the aberration. The nozzles 181 are erected and installed on the floating base 150, and each nozzle 181 has a different length. The nozzle 181 located outside the water wheel 110 in the radial direction is formed longer than the nozzle 181 located inside the water wheel 110 in the radial direction, and thus stably supplies air to the rotating water wheel 110. can supply A valve 182 for controlling the supply of air may be installed in each nozzle.

The generator 161 receives power from the water wheel 110 and generates electric power. The power transmission unit may include a plurality of sprockets and chains. A rotational shaft 171 that rotates together with the waterwheel 110 is coupled to the waterwheel 110, and a first sprocket 211 is installed on the rotational shaft 171. A first chain 216 is coupled to the first sprocket 211 , and the first chain 216 is connected to the second sprocket 212 disposed above the frame 130 . The second sprocket 212 has a smaller diameter than the first sprocket 211 , and thus the second sprocket 212 rotates at a higher speed than the first sprocket 211 .

A third sprocket 213 having a larger diameter than the second sprocket 212 is fixed to the second sprocket 212 , and the third sprocket 213 rotates together with the second sprocket 212 . A second chain 217 is coupled to the third sprocket 213 , and the second chain 217 is connected to a fourth sprocket 215 spaced laterally from the third sprocket 213 . The fourth sprocket 215 has a smaller diameter than the third sprocket 213, and thus the fourth sprocket 215 rotates at a higher speed than the third sprocket 213.

The fourth sprocket 215 is connected to the generator 161 to transmit rotational force to the generator 161, and thus the rotational force generated by the water wheel 110 can be stably transmitted to the generator 161. Due to the difference in the diameter of each sprocket, the power generator 161 rotates faster than the water turbine 110, so power generation efficiency can be improved.

Meanwhile, the power transmission unit may have a structure including a pulley and a belt or a structure including a gear. As described above, according to the present embodiment, air is supplied to the aberration 110, and the aberration rotates due to the buoyancy of the air to generate power.

The water pressure increases at a depth of 10 m at a depth of 1 atm. At a depth of 10m, a water pressure of 2 atmospheres acts, and at a depth of 10m, the volume of the air injected from the nozzle doubles on the surface of the water, and accordingly, the buoyancy doubles.

Therefore, in the buoyancy generator according to the present embodiment, even if an applied amount of air is sprayed at a deep water depth, the volume increases as the air rises, so the buoyancy also increases, so the power generation efficiency can be improved.

In addition, in the prior art, there was a problem in maintenance and repair when a failure occurred in a water wheel installed in deep water, but since the water wheel 110 according to the present embodiment is installed on the floating base 150, it can be installed in a deep place. Not only can a large rotational force be generated along the way, but also the water wheel 110 can be easily raised above the water surface by the buoyancy of the floating base 150 for maintenance.

Hereinafter, a buoyancy generator using a water pressure difference according to a second embodiment of the present invention will be described.

4 is a view showing a state in which buoyancy generation devices using a hydraulic pressure difference according to a second embodiment of the present invention are installed, and FIG. 5 shows a buoyancy generation device using a hydraulic pressure difference according to a second embodiment of the present invention. 6 is a side view showing a buoyancy generator using a hydraulic pressure difference according to a second embodiment of the present invention, and FIG. 7 is a water turbine and a buoyancy generator using a hydraulic pressure difference according to a second embodiment of the present invention. 8 is a view showing a power transmission unit connected to a generator in a buoyancy generator using a hydraulic pressure difference according to a second embodiment of the present invention.

4 to 8, the buoyancy generation device using a water pressure difference according to the present embodiment is installed inside the water tank 190 installed on the ground or underground, and the water tank 190 Inside of the buoyancy generator 100 using a plurality of water pressure difference may be installed.

The buoyancy generator 100 using a water pressure differential may include a water wheel 110, a frame 130, a floating base 150, a generator 161, a pipe 120, a nozzle 181, and a compressor 162. there is.

The water wheel 110 may include a central support member 115, a plurality of blades 112 fixed to the center support member 115, and two cover plates 113 surrounding side ends of the blades 112. can

The center support member 115 is formed in the shape of a circular disk and is rotatably installed on the frame 130 . The blade 112 is fixed to the center support member 115 and may be vertically connected to an outer circumferential surface of the center support member 115 . The plurality of blades 112 may be spaced apart from each other in the circumferential direction of the center support member 115 .

The blade 112 includes a wing plate 112a extending outward from the center support member 115, a wing cover 112b bent at an outer end of the wing plate 112a and extending in a direction crossing the wing plate 112a, and a wing. An auxiliary plate 112c bent from the cover 112b may be included.

The auxiliary plate 112c is connected to the wing cover 112b at an obtuse angle, and an inclination angle between the auxiliary plate 112c and the wing cover 112b may be between 120 degrees and 160 degrees. In this way, when the auxiliary plate 112c is installed, a larger amount of air can be accommodated.

The cover plate 113 is made of a disc, and the two cover plates 113 are spaced apart with the blade 112 interposed therebetween. The cover plate 113 may be installed to cover the blade 112 and the center support member 115 . The cover plate 113 forms a space so that air received in the blade 112 does not escape.

A rotating shaft 171 is connected to the water wheel 110, and a first lower bevel gear 172 is installed on the rotating shaft 171. The second lower bevel gear 173 is coupled to the first lower bevel gear 172 .

The first lower bevel gear 172 has a larger diameter than the second lower bevel gear 173, and thus the second lower bevel gear rotates at a higher speed than the first lower bevel gear 173. A power transmission shaft 174 rotating together with the second lower bevel gear 173 may be connected to the second lower bevel gear 173 .

A first upper bevel gear 175 is installed above the power transmission shaft 174, and the first upper bevel gear 175 is coupled with a second upper bevel gear 176 connected to the generator 161. The first upper bevel gear 175 has a larger diameter than the second upper bevel gear 176, so the second lower bevel gear 176 rotates at a higher speed than the first lower bevel gear 175. .

Accordingly, the rotational force generated by the aberration 110 can be stably transmitted to the generator 161 . Meanwhile, the power transmission unit may have a structure including a pulley and a belt.

As described above, according to the present embodiment, air is supplied to the aberration 110, and the aberration 110 rotates due to the buoyancy of the air to generate power.

Hereinafter, a buoyancy generator using a hydraulic pressure difference according to a third embodiment of the present invention will be described. 9 is a perspective view showing a buoyancy generator using a water pressure difference according to a third embodiment of the present invention.

Referring to FIG. 9 , the buoyancy generator using a water pressure difference according to the present embodiment may further include a protection fence 360. The protection fence 360 may be fixed to the frame 130, and the protection fence 360 may include a mesh network. As in the present embodiment, when the protective fence 360 is installed on the frame 130, it is possible to prevent the aberration 110 from being damaged by foreign substances such as garbage, and also to block the inflow of aquatic organisms living in reservoirs and the sea. can

Hereinafter, a buoyancy generator using a water pressure difference according to a fourth embodiment of the present invention will be described. 10 is a diagram showing a hydraulic differential generator according to a fourth embodiment of the present invention.

Referring to FIG. 10 , the buoyancy generator 100 using a water pressure difference according to the present embodiment includes a plurality of water wheels 110, a power transmission unit 310, and a generator 320. A plurality of water wheels 110 are connected in series, and the plurality of water wheels may be connected through a power shaft 350 . In addition, one power transmission unit 310 and one generator 320 may be connected to the power shaft 350 .

The power transmission unit 310 may include a plurality of sprockets and chains, and transmits the rotational force of the power shaft 350 to the generator 320 disposed thereon. The generator 320 receives power from the power transmission unit 310 and generates electric power. In addition, one floating base 150 supports a plurality of water wheels 110, and accordingly, the plurality of water wheels 110 may float or descend together.

According to this embodiment, the plurality of water wheels 110 are connected in series to maximize torque, and the generator 320 can generate large power.

Although one embodiment of the present invention has been described above, those skilled in the art can add, change, delete, or add components within the scope not departing from the spirit of the present invention described in the claims. The present invention can be variously modified and changed by the like, and this will also be said to be included within the scope of the present invention.

100: buoyancy generator using water pressure difference
110: aberration
115: center support member
112: blade
113: cover plate
120: piping
123: manifold pipe
126: flexible tube
124: main supply pipe
128: auxiliary supply pipe
130: frame
131: vertical support
132: upper support
135: guide pillar
136: upper support bar
150: floating base
151: support block
161, 320: generator
162: compressor
171: nozzle
182: first lower bevel gear
183: second lower bevel gear
185: first upper bevel gear
186: second upper bevel gear
190: water tank
211: first sprocket
212: second sprocket
213: third sprocket
215: fourth sprocket
216: first chain
217: second chain
310: gearbox
350: power shaft
360: protection fence

Claims (14)

a water turbine including a plurality of blades accommodating air and rotating by buoyancy;
a nozzle supplying air to the aberration;
a pipe connected to the nozzle and supplying air to the nozzle;
a frame supporting the aberration;
a floating base installed below the frame to support the frame and to move up and down according to the inflow of air or water; and
A generator connected to the aberration to perform power generation;
A buoyancy generator using a water pressure difference comprising a. According to claim 1,
The frame further includes a plurality of guide pillars for guiding the elevating and descending of the floating base,
The floating base is coupled with the guide column and a plurality of sliders moving along the guide column are installed. According to claim 1,
The water turbine includes a center support member disposed in the center, a plurality of blades fixed to the center support member, and two cover plates surrounding side ends of the blades,
The blades include a wing plate extending outward from the center support member and a wing cover bent at an outer end of the wing plate and extending in a direction crossing the longitudinal direction of the wing plate. Device. According to claim 3,
The blade is a buoyancy generator using a water pressure differential, characterized in that it has an L-shaped cross section. According to claim 1,
A buoyancy generator using a water pressure difference, characterized in that a support block is installed at the lower part of the floating base to support the floating base so that the floating base is level with the floor. According to claim 1,
A plurality of the nozzles are connected to the pipe, and the buoyancy generator using a water pressure differential, characterized in that the nozzles are spaced apart in the radial direction of the water wheel. According to claim 6,
The buoyancy generating device using a water pressure difference, characterized in that the nozzle located on the radially outer side of the aberration is formed longer than the nozzle located on the radially inner side of the aberration. According to claim 6,
The pipe further includes an auxiliary supply pipe connected to the floating base to supply air to the floating base, and a valve for controlling the supply of air is installed in the auxiliary supply pipe. According to claim 6,
The pipe includes a plurality of main supply pipes connected to each nozzle, a manifold pipe connected to the compressor and branched into a plurality of pipes, and a flexible pipe connecting the main supply pipes and the manifold pipe and having flexibility. A buoyancy generator using a water pressure differential to generate buoyancy. According to claim 1,
Further comprising a power transmission unit connecting the generator and the aberration,
The power transmission unit includes a first sprocket installed on a rotational shaft rotating together with the aberration;
A second sprocket disposed at an upper portion spaced apart from the first sprocket and having a smaller diameter than the first sprocket;
A first chain connecting the first sprocket and the second sprocket;
a third sprocket fixed to the second sprocket and rotating together with the second sprocket and having a larger diameter than the second sprocket;
A fourth sprocket spaced apart from the third sprocket and connected to the generator;
A second chain connecting the third sprocket and the fourth sprocket;
The fourth sprocket has a smaller diameter than the third sprocket. According to claim 1,
Further comprising a power transmission unit connecting the generator and the aberration,
The power transmission unit includes a first lower bevel gear installed on a rotational shaft rotating together with the aberration;
A second lower bevel gear coupled to the first lower bevel gear and having a smaller diameter than the first lower bevel gear;
A power transmission shaft connected to the second lower bevel gear and rotating together;
A first upper bevel gear installed above the power transmission shaft;
A buoyancy generator using a hydraulic pressure differential, characterized in that it comprises a second upper bevel gear coupled to the first upper bevel gear, having a smaller diameter than the first upper bevel gear and connected to the generator. According to claim 1,
A buoyancy generator using a water pressure differential, characterized in that the frame is provided with a protective fence comprising a net. According to claim 1,
A plurality of the aberrations are connected in series through a power shaft,
The power shaft is provided with a gearbox for increasing rotational speed and a generator for generating electric power by receiving power from the gearbox. According to claim 1,
In the floating base, a base supply pipe for supplying air or water to the floating base and a base discharge pipe for discharging air or water from the floating base are installed, and the base supply pipe has a larger diameter than the base discharge pipe. A buoyancy generator using a water pressure differential to generate buoyancy.

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