US20200309087A1 - Hydropower System - Google Patents
Hydropower System Download PDFInfo
- Publication number
- US20200309087A1 US20200309087A1 US16/371,111 US201916371111A US2020309087A1 US 20200309087 A1 US20200309087 A1 US 20200309087A1 US 201916371111 A US201916371111 A US 201916371111A US 2020309087 A1 US2020309087 A1 US 2020309087A1
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- United States
- Prior art keywords
- turbine
- blade
- canceled
- shaft
- water turbine
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000009987 spinning Methods 0.000 claims description 10
- 238000010276 construction Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B17/00—Other machines or engines
- F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
- F03B17/062—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction
- F03B17/065—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction the flow engaging parts having a cyclic movement relative to the rotor during its rotation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/30—Application in turbines
- F05B2220/32—Application in turbines in water turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/24—Rotors for turbines
- F05B2240/241—Rotors for turbines of impulse type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/40—Use of a multiplicity of similar components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/91—Mounting on supporting structures or systems on a stationary structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2250/00—Geometry
- F05B2250/40—Movement of component
- F05B2250/41—Movement of component with one degree of freedom
- F05B2250/411—Movement of component with one degree of freedom in rotation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Definitions
- the present invention relates to a generation system, and more particularly to a hydropower system generating power by flowing water.
- a conventional run-of-river hydropower system includes a canal 72 diverted from a flowing river 71 and a water turbine 73 placed in the canal 72 .
- the flowing water diverted into the canal 72 from the flowing river 71 spins the water turbine 73 and drives a generator for generating electric power.
- the water turbine 73 is placed in a segment of the canal 72 which is away from a headrace of the canal 72 with a large height difference.
- the conventional run-of-river hydropower system requires a canal 72 to be built alongside the flowing river 71 .
- the construction is time-consuming and labor-intensive.
- one canal 72 is only suitable for setting one water turbine 73 , and power generation of the water turbine 73 is limited.
- the present invention tends to provide a hydropower system to mitigate or obviate the aforementioned problems.
- the main objective of the invention is to provide a hydropower system which can generate power by flowing water flowing through an existing river directly.
- the construction of the hydropower system is easy and may reduce time and labor.
- the hydropower system has a channel and at least one water turbine.
- the channel has two side walls, a flowing path, and at least one turbine recess.
- the at least one turbine recess is recessed in at least one of the side walls.
- Each turbine recess has a spinning space formed therein and an opening communicating with the flowing path.
- An amount of the at least one water turbine is equal to an amount of the at least one recess.
- Each water turbine is mounted in the spinning space of the corresponding turbine recess, and has a shaft, a blade wheel, and a generator.
- the shaft is vertically and axially rotatably mounted in the spinning space of the corresponding turbine recess.
- the blade wheel is mounted on and rotatable with the shaft, partially protrudes into the flowing path from the opening of the corresponding turbine recess, and has a base fixed on the shaft and multiple driving blades mounted around the base at equiangular intervals and extending radially.
- the generator is connected with the shaft.
- FIG. 1 is a top view of a first embodiment of a hydropower system in accordance with the present invention
- FIG. 2 is an enlarged top view of the hydropower system, in FIG. 1 ;
- FIG. 3 is a perspective view of a second embodiment of a water turbine of a hydropower system in accordance with the present invention.
- FIG. 4 is an enlarged operational perspective view of the water turbine of the hydropower system in FIG. 3 ;
- FIG. 5 is an enlarged operational top view of the hydropower system with the second embodiment of the water turbine in FIG. 3 ;
- FIG. 6 is a side view of a third embodiment of a water turbine of a hydropower system in accordance with the present invention.
- FIG. 7 is a top view of a conventional run-of-river hydropower system.
- a hydropower system in accordance with the present invention has a channel 10 and at least one water turbine 200 .
- the channel 10 is applied for flowing water F to flow through, and has two side walls 101 , a flowing path 103 , and at least one turbine recess 11 .
- the two side walls 101 and the flowing path 103 may be formed from a flowing river directly.
- the at least one turbine recess 11 is recessed in at least one of the side walls 101 of the channel 10 .
- the at least one turbine recess 11 may be multiple turbine recesses 11 .
- the multiple turbine recesses 11 may be recessed in one of the side walls 101 and arranged along the side wall 101 at spaced intervals, or recessed in the two side walls 101 and each of the side walls 101 has at least one of the turbine recesses 11 formed therein.
- the turbine recesses 11 formed in the different side walls 101 may be arranged in opposite positions or in staggered positions.
- Each turbine recess 11 has a spinning space 111 and an opening communicating with the flowing path 103 .
- the amount of the at least one water turbine 200 is equal to the amount of the at least one turbine recess 11 .
- Multiple said water turbines 200 are respectively mounted in the spinning spaces 111 of the multiple turbine recesses 11 .
- Each water turbine 200 has a shaft 30 , a blade wheel 20 , and a generator 40 .
- the shaft 30 is vertically and axially rotatably mounted in the spinning space 111 of the turbine recess 11 .
- the blade wheel 20 is disposed under the flowing water F, is fixed on and rotatable with the shaft 30 , partially protrudes into the flowing path 103 from the opening of the turbine recess 11 , and has a base 21 and multiple driving blades 23 .
- the base 21 is fixed on the shaft 30 .
- the driving blades 23 are mounted around the base 21 at equiangular intervals and extend radially.
- the generator 40 is connected with the shaft 30 .
- the blade wheel 20 will be propelled to rotate by the flowing water. F flowing through the flowing path 103 , and the shaft 30 will be spinning with the blade wheel 20 to drive the generator 40 for generating electric power.
- each driving blade 23 is a flat blade, and a portion of the driving blade 23 that is away from the base 21 protrudes into the flowing path 103 from the opening of the turbine recess 11 .
- each driving blade 23 A has a fixed arm 231 and a swing blade 235 .
- the fixed arm 231 is fixed on the base 21 , extends outward from the base 21 , and has a limiting slot 233 formed in an end of the fixed arm 231 that is away from the base 21 .
- the swing blade 235 is pivotally connected to the end of the fixed arm 231 away from the base 21 in a unidirectional deflection with a pivot 232 .
- the swing blade 235 has a limiting block 236 formed in an end of the swing blade 235 near the fixed arm 231 .
- the limiting block 236 may abut against an inner surface of the limited slot 233 to limit a rotatable area and deflection direction of the swing blade 235 .
- the deflection direction of the swing blade 235 is reversed to the rotation direction of the shaft 30 .
- An end of the swing blade 235 away from the fixed arm 231 protrudes from the opening of the turbine recess 11 into the flowing path 103 , and is propelled to rotate by the flowing water F.
- a length of the swing blade 235 protruding into the flowing path 103 while the swing blade 235 is directly facing the flowing path 103 is 40 centimeters. Therefore, the swing blade 235 can be propelled by the flowing water F easily and has less influence on the flow rate of the flowing water F to improve generating efficiency.
- the swing blade 235 is a flat blade and has multiple ribs 238 formed on a side of the swing blade 235 to increase the structural strength of the swing blade 235 .
- the limiting block 236 will be pivoted to abut against the inner surface of the limiting slot 233 , and the swing blades 235 will be pivoted to be parallel to the fixed arms 231 to increase a moment arm of the driving blade 23 A.
- the swing blades 235 When the swing blades 235 are rotating into the turbine recesses 11 , the swing blades 235 will be pulled by water drag force and will be pivoted backward from the rotating direction of the blade wheel 20 A.
- the angle ⁇ between the swing blade 235 and the fixed arm 231 will be less than 180 degrees. Thus, the length of the moment arm of the driving blade 23 A will be decreased.
- the influences of water drag force on the blade wheel 20 A will be reduced.
- the torque of the blade wheel 20 A caused by the flowing water F will be greater than the torque of the blade wheel 20 A caused by the water drag force, and the blade wheel 20 A will be propelled to rotate by the flowing water F more easily and unimpededly.
- the water turbine 200 B has two blade wheels 20 A fixed on the shaft 30 and arranged at a spaced interval to further improve the rotation unimpeded by the shaft 30 .
- a belt 41 is connected with the shaft 30 and the generator 40 , and is disposed between the two blade wheels 20 A to drive the generator 40 .
- the water turbine 200 B further has a guiding seat 50 .
- the guiding seat 50 is a barrel, is mounted on the bottom of the shaft 30 in the turbine recess 11 , and has an opening formed in the top thereof and a flowing hole 51 radially formed through the guiding seat 50 .
- the flowing water F drives the water turbines 200 B to generate electric power
- the water inside the turbine recesses 11 will be led into the guiding seats 50 and flow to the flowing path 103 via the flowing holes 51 .
- the water inside the turbine recesses 11 will keep flowing to enhance the unimpeded rotation of the water turbines 200 B and prevent the water from retaining in the turbine recesses 11 .
- the water turbines 200 , 200 A, 200 B can be propelled to generate power by flowing water F flowing through an existing river directly, and the multiple water turbines 200 , 200 A, 200 B can be set alongside of the existing river to increase the power generation.
- the construction of the hydropower system in accordance, with the present invention is easy and may reduce time and labor.
Abstract
A hydropower system has a channel and at least one water turbine. The channel has a flowing path, two side walls, and at least one turbine recess recessed in at least one of the side walls and having an opening communicating with the flowing path. The at least one water turbine is mounted in the at least one turbine recess and has a shaft, a blade wheel, and a generator. The blade wheel is mounted on and rotatable with the shaft and partially protrudes into the flowing path. The generator is connected to the shaft. The blade wheel may be propelled to rotate by flowing water flowing through the flowing path to drive the generator to generate power.
Description
- The present invention relates to a generation system, and more particularly to a hydropower system generating power by flowing water.
- With reference to
FIG. 7 , a conventional run-of-river hydropower system includes acanal 72 diverted from a flowingriver 71 and awater turbine 73 placed in thecanal 72. - The flowing water diverted into the
canal 72 from the flowingriver 71 spins thewater turbine 73 and drives a generator for generating electric power. - To improve power-generating efficiency, the
water turbine 73 is placed in a segment of thecanal 72 which is away from a headrace of thecanal 72 with a large height difference. However, the conventional run-of-river hydropower system requires acanal 72 to be built alongside the flowingriver 71. The construction is time-consuming and labor-intensive. Moreover, onecanal 72 is only suitable for setting onewater turbine 73, and power generation of thewater turbine 73 is limited. - To overcome the shortcomings, the present invention tends to provide a hydropower system to mitigate or obviate the aforementioned problems.
- The main objective of the invention is to provide a hydropower system which can generate power by flowing water flowing through an existing river directly. Thus, the construction of the hydropower system is easy and may reduce time and labor.
- The hydropower system has a channel and at least one water turbine. The channel has two side walls, a flowing path, and at least one turbine recess. The at least one turbine recess is recessed in at least one of the side walls. Each turbine recess has a spinning space formed therein and an opening communicating with the flowing path. An amount of the at least one water turbine is equal to an amount of the at least one recess. Each water turbine is mounted in the spinning space of the corresponding turbine recess, and has a shaft, a blade wheel, and a generator. The shaft is vertically and axially rotatably mounted in the spinning space of the corresponding turbine recess. The blade wheel is mounted on and rotatable with the shaft, partially protrudes into the flowing path from the opening of the corresponding turbine recess, and has a base fixed on the shaft and multiple driving blades mounted around the base at equiangular intervals and extending radially. The generator is connected with the shaft.
- Other objects, advantages and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
-
FIG. 1 is a top view of a first embodiment of a hydropower system in accordance with the present invention; -
FIG. 2 is an enlarged top view of the hydropower system, inFIG. 1 ; -
FIG. 3 is a perspective view of a second embodiment of a water turbine of a hydropower system in accordance with the present invention; -
FIG. 4 is an enlarged operational perspective view of the water turbine of the hydropower system inFIG. 3 ; -
FIG. 5 is an enlarged operational top view of the hydropower system with the second embodiment of the water turbine inFIG. 3 ; -
FIG. 6 is a side view of a third embodiment of a water turbine of a hydropower system in accordance with the present invention; and -
FIG. 7 is a top view of a conventional run-of-river hydropower system. - With reference to
FIGS. 1 and 2 , a hydropower system in accordance with the present invention has achannel 10 and at least onewater turbine 200. - The
channel 10 is applied for flowing water F to flow through, and has twoside walls 101, a flowingpath 103, and at least one turbine recess 11. The twoside walls 101 and theflowing path 103 may be formed from a flowing river directly. The at least one turbine recess 11 is recessed in at least one of theside walls 101 of thechannel 10. The at least one turbine recess 11 may bemultiple turbine recesses 11. Themultiple turbine recesses 11 may be recessed in one of theside walls 101 and arranged along theside wall 101 at spaced intervals, or recessed in the twoside walls 101 and each of theside walls 101 has at least one of theturbine recesses 11 formed therein. Theturbine recesses 11 formed in thedifferent side walls 101 may be arranged in opposite positions or in staggered positions. Each turbine recess 11 has aspinning space 111 and an opening communicating with the flowingpath 103. - The amount of the at least one
water turbine 200 is equal to the amount of the at least one turbine recess 11. Multiple saidwater turbines 200 are respectively mounted in thespinning spaces 111 of themultiple turbine recesses 11. Eachwater turbine 200 has ashaft 30, ablade wheel 20, and agenerator 40. Theshaft 30 is vertically and axially rotatably mounted in thespinning space 111 of the turbine recess 11. Theblade wheel 20 is disposed under the flowing water F, is fixed on and rotatable with theshaft 30, partially protrudes into the flowingpath 103 from the opening of the turbine recess 11, and has abase 21 andmultiple driving blades 23. Thebase 21 is fixed on theshaft 30. Thedriving blades 23 are mounted around thebase 21 at equiangular intervals and extend radially. Thegenerator 40 is connected with theshaft 30. Theblade wheel 20 will be propelled to rotate by the flowing water. F flowing through the flowingpath 103, and theshaft 30 will be spinning with theblade wheel 20 to drive thegenerator 40 for generating electric power. - In the first embodiment of the
water turbine 200, eachdriving blade 23 is a flat blade, and a portion of thedriving blade 23 that is away from thebase 21 protrudes into theflowing path 103 from the opening of the turbine recess 11. - With reference to
FIG. 3 , in a second embodiment of thewater turbine 200A, eachdriving blade 23A has afixed arm 231 and aswing blade 235. Thefixed arm 231 is fixed on thebase 21, extends outward from thebase 21, and has alimiting slot 233 formed in an end of thefixed arm 231 that is away from thebase 21. Theswing blade 235 is pivotally connected to the end of the fixedarm 231 away from thebase 21 in a unidirectional deflection with apivot 232. Theswing blade 235 has alimiting block 236 formed in an end of theswing blade 235 near thefixed arm 231. The limitingblock 236 may abut against an inner surface of thelimited slot 233 to limit a rotatable area and deflection direction of theswing blade 235. The deflection direction of theswing blade 235 is reversed to the rotation direction of theshaft 30. An end of theswing blade 235 away from thefixed arm 231 protrudes from the opening of the turbine recess 11 into theflowing path 103, and is propelled to rotate by the flowing water F. Preferably, a length of theswing blade 235 protruding into theflowing path 103 while theswing blade 235 is directly facing the flowingpath 103 is 40 centimeters. Therefore, theswing blade 235 can be propelled by the flowing water F easily and has less influence on the flow rate of the flowing water F to improve generating efficiency. - Preferably, the
swing blade 235 is a flat blade and hasmultiple ribs 238 formed on a side of theswing blade 235 to increase the structural strength of theswing blade 235. - With reference to
FIGS. 4 and 5 , when theswing blades 235 protrude into the flowingpath 103 and are being propelled by the flowing water F, thelimiting block 236 will be pivoted to abut against the inner surface of thelimiting slot 233, and theswing blades 235 will be pivoted to be parallel to thefixed arms 231 to increase a moment arm of thedriving blade 23A. When theswing blades 235 are rotating into theturbine recesses 11, theswing blades 235 will be pulled by water drag force and will be pivoted backward from the rotating direction of theblade wheel 20A. The angle θ between theswing blade 235 and thefixed arm 231 will be less than 180 degrees. Thus, the length of the moment arm of thedriving blade 23A will be decreased. The influences of water drag force on theblade wheel 20A will be reduced. The torque of theblade wheel 20A caused by the flowing water F will be greater than the torque of theblade wheel 20A caused by the water drag force, and theblade wheel 20A will be propelled to rotate by the flowing water F more easily and unimpededly. - With reference to
FIG. 6 , in a third embodiment of the water turbine 200B, the water turbine 200B has twoblade wheels 20A fixed on theshaft 30 and arranged at a spaced interval to further improve the rotation unimpeded by theshaft 30. A belt 41 is connected with theshaft 30 and thegenerator 40, and is disposed between the twoblade wheels 20A to drive thegenerator 40. - The water turbine 200B further has a guiding seat 50. The guiding seat 50 is a barrel, is mounted on the bottom of the
shaft 30 in theturbine recess 11, and has an opening formed in the top thereof and a flowing hole 51 radially formed through the guiding seat 50. When the flowing water F drives the water turbines 200B to generate electric power, the water inside the turbine recesses 11 will be led into the guiding seats 50 and flow to the flowingpath 103 via the flowing holes 51. The water inside the turbine recesses 11 will keep flowing to enhance the unimpeded rotation of the water turbines 200B and prevent the water from retaining in the turbine recesses 11. - With such arrangements, the
water turbines multiple water turbines
Claims (20)
1. (canceled)
2. (canceled)
3. (canceled)
4. A hydropower system comprising:
a channel having
two side walls;
a flowing path formed between the two side walls; and
at least one turbine recess recessed in at least one of the side walls of the channel, and each one of the at least one turbine recess having a spinning space formed in the turbine recess and an opening communicating with the flowing path;
at least one water turbine, an amount of the at least one water turbine being equal to an amount of the at least one turbine recess, and each one of the at least one water turbine mounted in the spinning space of a corresponding one of the at least one turbine recess, and having
a shaft vertically and axially rotatably mounted in the spinning space of the corresponding one of the at least one turbine recess;
a blade wheel mounted on and rotated with the shaft, partially protruding into the flowing path of the channel from the opening of the corresponding one of the at least one turbine recess, and having
a base fixed on the shaft; and
multiple driving blades mounted around the base at equiangular intervals and extending radially; and
a generator connected with the shaft wherein
each driving blade of the blade wheel of each one of the at least one water turbine has
a fixed arm fixed on the base and extending outward from the base; and
a swing blade pivotally connected with the fixed arm in a unidirectional deflection;
wherein the fixed arm of each driving blade of the blade wheel of each one of the at least one water turbine has a limiting slot formed in an end of the fixed arm of the driving blade away from the base of the blade wheel; and
the swing blade of each driving blade of the blade wheel of each one of the at least one water turbine has a limiting block formed in an end of the swing blade of the driving blade near the fixed arm of the driving blade and being pivotable to abut against an inner surface of the limiting slot of the fixed arm of the driving blade of the blade wheel of the water turbine,
wherein the swing blade of each driving blade of the blade wheel of each one of the at least one water turbine has ribs formed on a surface of the swing blade.
5. The hydropower system as claimed in claim 4 , wherein a length of a portion of the swing blade protruding into the flowing path while the swing blade is directly facing the flowing path is 40 centimeters.
6. (canceled)
7. (canceled)
8. (canceled)
9. (canceled)
10. (canceled)
11. (canceled)
12. (canceled)
13. The hydropower system as claimed in claim 4 , wherein each one of the at least one water turbine has two said blade wheels mounted on the shaft of the water turbine and arranged along the shaft at a spaced interval.
14. The hydropower system as claimed in claim 5 , wherein each one of the at least one water turbine has two said blade wheels mounted on the shaft of the water turbine and arranged along the shaft at a spaced interval.
15. (canceled)
16. (canceled)
17. (canceled)
18. (canceled)
19. The hydropower system as claimed in claim 4 , wherein each of the side walls of the flowing channel has multiple said turbine recesses recessed in the side wall, and the turbine recesses recessed in the two side walls are in a staggered arrangement.
20. The hydropower system as claimed in claim 5 , wherein each of the side walls of the flowing channel has multiple said turbine recesses recessed in the side wall, and the turbine recesses recessed in the two side walls are in a staggered arrangement.
Priority Applications (1)
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US16/371,111 US10774806B1 (en) | 2019-04-01 | 2019-04-01 | Hydropower system |
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US16/371,111 US10774806B1 (en) | 2019-04-01 | 2019-04-01 | Hydropower system |
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US10774806B1 US10774806B1 (en) | 2020-09-15 |
US20200309087A1 true US20200309087A1 (en) | 2020-10-01 |
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EP4069970A1 (en) * | 2019-12-04 | 2022-10-12 | Michael Scot Cummings | Reactive, reversible blade turbine for power generation and pumping water |
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