CN208718827U - The hydroelectric power system of water kinetic energy more than capable of utilizing water for producing electric power - Google Patents
The hydroelectric power system of water kinetic energy more than capable of utilizing water for producing electric power Download PDFInfo
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- CN208718827U CN208718827U CN201820679484.0U CN201820679484U CN208718827U CN 208718827 U CN208718827 U CN 208718827U CN 201820679484 U CN201820679484 U CN 201820679484U CN 208718827 U CN208718827 U CN 208718827U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 208
- 238000005086 pumping Methods 0.000 claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000004146 energy storage Methods 0.000 claims abstract description 16
- ZSDSQXJSNMTJDA-UHFFFAOYSA-N trifluralin Chemical compound CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O ZSDSQXJSNMTJDA-UHFFFAOYSA-N 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract description 9
- 238000005381 potential energy Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 240000005373 Panax quinquefolius Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of hydroelectric power systems of remaining water kinetic energy that can utilize water for producing electric power, including energy storage pump and water wheels power device；The energy storage pump includes water box, pumping chamber, tower and mandril；The water wheels power device includes two groups of hydraulic turbines, and the transmission shaft of the hydraulic turbine is parallel to the ground and is parallel to each other；Every group of hydraulic turbine includes at least two hydraulic turbines, which is arranged above and below setting, and the belt pulley of two hydraulic turbines passes through driving belt connection.Using the structure of the utility model, due to being equipped with novel energy-storing pump and multi-level water wheel power device, water kinetic energy more than hydroelectric generation is then converted to potential energy by energy storage pump, and the potential energy of multi-level water wheel power device water again is kinetic energy for generating electricity and energy storage being driven to pump, and is so recycled.
Description
Technical field
The utility model relates to a kind of hydroelectric installation more particularly to a kind of water for the remaining water kinetic energy that can utilize water for producing electric power
Force generating system.
Background technique
Hydroelectric generation is to drive engine power generation using high-level water storage impulse water turbine, again for kinetic energy by the potential energy of water
It is converted into electric energy.Hydroelectric generation is a kind of green energy resource.
But the investment of hydroelectric generation high-level water storage facility is very big, occupied area is also big, is also limited by physical relief condition
System.
Hydroelectric generation needs the hydraulic turbine as power.The current hydraulic turbine is arranged in a one-to-one correspondence with generator, is passed through
Belt pulley connection, i.e., a hydraulic turbine is correspondingly connected with a generator；And turbine shaft is perpendicular to ground setting.Waterpower
In power generation process, there are also very big flow velocitys for the remaining water flowed out after impulse water turbine power generation, i.e., there are also very big kinetic energy for remaining water.And show
Hydroelectric generation more than water be not utilized again, i.e., be wasted there are also very big remaining water kinetic energy.Due to a hydraulic turbine
The kinetic energy of whole water is not made full use of, and power is limited, inefficient；Moreover, this set takes up a large area, waste money
Source, cost of investment are big.
If can be improved a device for this part energy utilized of water more than hydroelectric generation, then it is used to generate electricity, recycles
It utilizes, does not rely on orographic condition excessively, the water energy and land resource of the Nature will be greatly saved, improve the utilization efficiency of water energy,
It increases economic efficiency.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of hydroelectric generations of remaining water kinetic energy that can utilize water for producing electric power
Water kinetic energy more than hydroelectric generation is then converted to potential energy and continued for generating electricity by system, and does not rely on orographic condition excessively.
In order to solve the above-mentioned technical problem, the hydroelectric generation system of the remaining water kinetic energy that can utilize water for producing electric power of the utility model
System, including energy storage pump and water wheels power device；
The energy storage pump includes water box, pumping chamber, tower and mandril；
The water box is located at pump bottom；The water box is equipped with water inlet for flowing into water more than hydroelectric generation；The Sheng
Transmission shaft is equipped in water tank；It is radial parallel on the transmission shaft to be provided with two tri-star wheels, two mutual convex-concaves pair of tri-star wheel
It should be arranged；The tri-star wheel side wall is equipped with groove；
The pumping chamber is sealed set, is located above water box；The pumping chamber is arranged two, respectively corresponds two three
Star-wheel setting；The pumping chamber bottom is equipped with inlet valve and is connected to by the inlet valve with water box, and top is equipped with outlet valve；Institute
It states pumping chamber bottom and is equipped with piston chamber, be equipped with piston in piston chamber；Piston chamber's sealed bottom setting, upper opening and with pressure
The connection of water chamber inner cavity；The mandril passes through piston chamber up and down and connect with piston chamber sealed bottom, and piston is fixed on mandril；Institute
It states mandril lower end and is connected with top wheel, top wheel is placed in the tri-star wheel sidewall notches of water box and can roll in groove；
The tower is arranged two, respectively corresponds two pumping chamber settings；The tower bottom is connected at the top of pumping chamber,
The water outlet of outlet valve is connected to tower inner cavity at the top of pumping chamber；The mandril stretch out upwards pumping chamber extend to tower inner cavity, with
It is connected at the top of pumping chamber with tower sealed bottom；The tower top is equipped with discharge outlet；The tower inner cavity is equipped with hollow pontoon,
Hollow pontoon bottom connects the mandril upper end, is connected with upper ejector pin at the top of hollow pontoon；The upper ejector pin stretches out tower top；
The upper ejector pin of two towers is connected by a connecting rod or pulley；
The water wheels power device includes two groups of hydraulic turbines, and the transmission shaft of the hydraulic turbine is parallel to the ground and mutually flat
Row；Every group of hydraulic turbine includes at least two hydraulic turbines, which is arranged above and below setting, two hydraulic turbines
Belt pulley pass through driving belt connect；The water wheels of two groups of hydraulic turbines are placed in a closed water chamber；The water chamber top
Portion is equipped with water inlet, and water inlet pipe is perpendicular to the ground from water inlet protrudes into water chamber, its water outlet is located at the top of the hydraulic turbine；It is described into
Water pipe bottom is equipped with two water outlets and is in charge of, this two water outlets are in charge of respectively to the water wheels of two groups of superposed hydraulic turbines of the hydraulic turbine
It is obliquely installed the water wheels so that two groups of superposed hydraulic turbines of the hydraulic turbine of water flow directive；The water inlet end of the water inlet pipe connects institute
State the discharge outlet of tower top；The water chamber bottom is equipped with water outlet；Two groups of hydraulic turbines are located at the hydraulic turbine point of lowest part
It is not connect with the transmission shaft of generator and the water box by belt.
It is equipped with water tank above the water wheels power device, is equipped with water inlet at the top of the water tank and is connected by water pipe
The discharge outlet of the tower top, the bottom of storage tank are equipped with the water inlet pipe that water outlet connects the water wheels power device.
One group of hydraulic turbine in two groups of hydraulic turbines be located at lowest part the hydraulic turbine and the water box transmission shaft it
Between be additionally provided with gearbox, and connect respectively with gearbox by belt.
Roller or bearing are respectively equipped in the groove of three convex portions of the tri-star wheel.
Three inlet valves and three outlet valves are respectively arranged in two pumping chambers.
Four inlet valves and four outlet valves are respectively arranged in two pumping chambers.
The hollow pontoon is made of light material.
The hollow pontoon is respectively fixedly connected with mandril, upper ejector pin.
In two groups of hydraulic turbines, one group of the hydraulic turbine corresponds to each other same level with the hydraulic turbine of another set and sets side by side
It sets.
Every group of hydraulic turbine includes three hydraulic turbines.
Using the structure of the utility model, due to being equipped with novel energy-storing pump and multi-level water wheel power device, energy storage is pumped water
The power remaining water kinetic energy that generates electricity is then converted to potential energy, and the potential energy of multi-level water wheel power device water again is kinetic energy for generating electricity and driving
Energy storage pump, so recycles.
Due to energy storage pump include water box, two pumping chambers, two towers, water box be equipped with two tri-star wheels, two three
The mutual convex-concave of star-wheel is correspondingly arranged, in this way, water more than hydroelectric generation can be introduced water box enters back into tower subsequently into pumping chamber
Cylinder is finally discharged from tower top discharge outlet, is sent into the hydraulic turbine by drainpipe and continues to generate electricity, to realize hydroelectric generation
Remaining water kinetic energy is then converted to potential energy and continues goal of the invention for generating electricity.
Two mutual convex-concaves of tri-star wheel are correspondingly arranged, on the upper ejector pin for two towers that two mandrils are connect with by connecting rod
Lower linkage can not only be stablized with holding mechanism functioning equalization in this way, but also the kinetic energy of water more than hydroelectric generation can be made full use of to reduce
The power energy consumption of transmission shaft.
Three inlet valves and three outlet valves or four inlet valves and four outlet valves are respectively arranged in two pumping chambers, can be with
Efficiency is greatly improved.
Hollow pontoon is arranged in tower inner cavity, can utilize rice buoyancy, can be further reduced the power energy consumption of transmission shaft.
And hollow pontoon is made of light material, can reduce the power energy consumption of transmission shaft to a greater degree.
Since water wheels power device is equipped with two groups of hydraulic turbines, every group of hydraulic turbine includes at least two hydraulic turbines, two groups of water wheels
The water wheels of machine are placed in a closed water chamber, water inlet are equipped at the top of water chamber, water inlet pipe is perpendicular to the ground to be protruded into from water inlet
Water chamber, the top positioned at the hydraulic turbine, water inlet bottom of the tube are equipped with two water outlets and are in charge of, this two water outlets are in charge of respectively to two groups of water wheels
The water wheels of the superposed hydraulic turbine of machine are obliquely installed the water wheels so that two groups of superposed hydraulic turbines of the hydraulic turbine of water flow directive,
In this way, water is swept away from above, the hydraulic turbine of lower part is impacted again after the hydraulic turbine on top, be able to drive multiple hydraulic turbine linkage works
Make, takes full advantage of the kinetic energy of water, to increase power, improve efficiency.
Since two groups of hydraulic turbines are to be vertically arranged from top to bottom, compact-sized, occupied area is small, can greatly save soil
Resource reduces cost of investment.
The pump configuration of the utility model is novel and simple, easily manufactured, can minimize, and large-scale can also be arranged, and can incite somebody to action
This part energy utilized of water is got up more than hydroelectric generation, then is used to generate electricity, and is recycled, and do not rely on orographic condition, pole excessively
The water energy and land resource for having saved the Nature greatly, improve the utilization efficiency of water energy.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model energy storage pump configuration schematic diagram；
Fig. 3 is the utility model tri-star wheel structural schematic diagram；
Fig. 4 is the utility model water wheels powerplant configuration schematic diagram.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description:
As shown in Figure 1, the hydroelectric power system of the remaining water kinetic energy that can utilize water for producing electric power of the utility model includes energy storage pump 1
With water wheels power device 3.
As shown in Figure 2 and Figure 3, energy storage pump includes water box 17, pumping chamber 16, tower 13 and mandril 15.
Water box is located at pump bottom.Water box is equipped with water inlet for flowing into water more than hydroelectric generation.It is equipped with and passes in water box
Moving axis 18.It is radial parallel on transmission shaft to be provided with two tri-star wheels 19.Two mutual convex-concaves of tri-star wheel are correspondingly arranged.Tri-star wheel
Side wall is equipped with groove.
Pumping chamber is sealed set, is located above water box.Pumping chamber is arranged two, respectively corresponds two tri-star wheels and sets
It sets.Pumping chamber bottom is equipped with inlet valve 110 and is connected to by the inlet valve with water box, and top is equipped with outlet valve 112.Pumping chamber
Bottom is equipped with piston chamber 111, is equipped with piston in piston chamber.Piston chamber's sealed bottom setting, upper opening and with pumping chamber inner cavity
Connection.Mandril passes through piston chamber up and down and connect with piston chamber sealed bottom, and piston is fixed on mandril.The activity of mandril lower end connects
It is connected to top wheel, top wheel is placed in the tri-star wheel sidewall notches of water box and can roll in groove.
Tower is arranged two, respectively corresponds two pumping chamber setting tower bottoms and is connected at the top of pumping chamber, pumping chamber top
The water outlet of portion's outlet valve is connected to tower inner cavity.Mandril stretch out upwards pumping chamber extend to tower inner cavity, with pumping chamber at the top of and
The connection of tower sealed bottom.Tower top is equipped with discharge outlet.Tower inner cavity is equipped with hollow pontoon 14, and hollow pontoon bottom connects institute
Mandril upper end is stated, is connected with upper ejector pin 12 at the top of hollow pontoon.Upper ejector pin stretches out tower top.The upper ejector pin of two towers passes through
One connecting rod 11 or pulley connection.The upper ejector pin of two towers passes through wirerope respectively and connect with pulley.
As shown in figure 4, water wheels power device includes two groups of hydraulic turbines.The transmission shaft of the hydraulic turbine is parallel to the ground and mutually flat
Row.Every group of hydraulic turbine includes at least two hydraulic turbines 23, which is arranged above and below setting, two water wheels
The belt pulley of machine is connected by driving belt.The water wheels of two groups of hydraulic turbines are placed in a closed water chamber 24.It is set at the top of water chamber
There is water inlet, water inlet pipe 21 is perpendicular to the ground from water inlet protrudes into water chamber, its water outlet is located at the top of the hydraulic turbine.Water inlet pipe bottom
Portion is equipped with two water outlets and is in charge of 22, and the water wheels inclination to two groups of superposed hydraulic turbines of the hydraulic turbine respectively is in charge of in this two water outlets
Water wheels so that two groups of superposed hydraulic turbines of the hydraulic turbine of water flow directive are set；The water inlet end of the water inlet pipe connects the tower
The discharge outlet at cylinder top.Water chamber bottom is equipped with water outlet.Two groups of hydraulic turbines be located at the hydraulic turbine of lowest part respectively with generator 4 and
The transmission shaft of the water box is connected by belt.
In order to increase moisture storage capacity, kinetic energy is improved, as a further improvement, being equipped with water tank 2 above water wheels power device.
The discharge outlet that water inlet connects the tower top by water pipe is equipped at the top of water tank, the bottom of storage tank is connected equipped with water outlet
The water inlet pipe of the water wheels power device.
As a further improvement, one group of hydraulic turbine in two groups of hydraulic turbines is located at the hydraulic turbine and the water box of lowest part
Transmission shaft between be additionally provided with gearbox, and connect respectively with gearbox by belt.
In order to run smoothly, reduce friction, it is respectively equipped with roller in the groove of three convex portions of tri-star wheel, is also possible to
Bearing.
In order to improve efficiency, three inlet valves and three outlet valves are respectively arranged in two pumping chambers.It can also be with two pumping chambers
Respectively four inlet valves of setting and four outlet valves.
Hollow pontoon is made of light material, such as aluminium alloy or plastics etc..
Hollow pontoon is respectively fixedly connected with mandril, upper ejector pin.In this way, can preferably synchronize.
Preferably, one group of the hydraulic turbine corresponds to each other same level with the hydraulic turbine of another set in two groups of hydraulic turbines
It is set side by side.
Preferably, every group of hydraulic turbine includes three hydraulic turbines.Effect is best in this way, more than three hydraulic turbines, and manufacture is not
Convenient, cost will increase, and power increases less.
Working principle of the utility model is:
Energy storage pumps the transmission shaft in water box and drives tri-star wheel rotation.When a tri-star wheel drives mandril to move down,
Piston in pumping chamber moves down, and inlet valve is opened, and the water in water box enters pumping chamber；When this tri-star wheel drives mandril
When moving up, the piston in pumping chamber is moved up, and inlet valve is closed, outlet valve is opened, and the water in pumping chamber enters tower,
Water is discharged from the discharge outlet of tower top, moreover, the hollow pontoon in tower is also moved up with upper ejector pin.
At the same time, another tri-star wheel does opposite movement, drives in another mandril, another pumping chamber
Piston etc. does opposite movement.The upper ejector pin of two towers mutually does opposite movement by a connecting rod connection.
So circulation send the water entered in water box to eminence, then is discharged from the discharge outlet of tower top for generating electricity.
Water enters water wheels power device after the discharge of the discharge outlet of tower top, and water impacts two groups of water wheels simultaneously from top to bottom
Machine.Every group of hydraulic turbine is connected by belt, increases power and revolving speed.The last one hydraulic turbine of one group of hydraulic turbine passes through belt band
Dynamic engine power generation；The last one hydraulic turbine of the another set hydraulic turbine by belt drive energy storage pump work, then by water send to
Eminence.
Claims (10)
1. a kind of hydroelectric power system for the remaining water kinetic energy that can utilize water for producing electric power, it is characterised in that: including energy storage pump (1) and water wheels
Power device (3)；
The energy storage pump includes water box (17), pumping chamber (16), tower (13) and mandril (15)；
The water box is located at pump bottom；The water box is equipped with water inlet for flowing into water more than hydroelectric generation；The water box
It is interior to be equipped with transmission shaft (18)；Radial parallel on the transmission shaft to be provided with two tri-star wheels (19), two tri-star wheels are mutually convex
It is recessed to be correspondingly arranged；The tri-star wheel side wall is equipped with groove；
The pumping chamber is sealed set, is located above water box；The pumping chamber is arranged two, respectively corresponds two tri-star wheels
Setting；The pumping chamber bottom is equipped with inlet valve (110) and is connected to by the inlet valve with water box, and top is equipped with outlet valve
(112)；The pumping chamber bottom is equipped with piston chamber (111), and piston is equipped in piston chamber；Piston chamber's sealed bottom setting,
It upper opening and is connected to pumping chamber inner cavity；The mandril passes through piston chamber up and down and connect with piston chamber sealed bottom, piston
It is fixed on mandril；The mandril lower end is connected with top wheel, top wheel be placed in the tri-star wheel sidewall notches of water box and
It can be rolled in groove；
The tower is arranged two, respectively corresponds two pumping chamber settings；The tower bottom is connected at the top of pumping chamber, presses water
The water outlet of ceiling portion outlet valve is connected to tower inner cavity；The mandril stretches out pumping chamber upwards and extends to tower inner cavity and pressure water
Ceiling portion is connected with tower sealed bottom；The tower top is equipped with discharge outlet；The tower inner cavity is equipped with hollow pontoon (14),
Hollow pontoon bottom connects the mandril upper end, is connected with upper ejector pin (12) at the top of hollow pontoon；The upper ejector pin stretches out tower
Top；The upper ejector pin of two towers is connected by a connecting rod (11) or pulley；
The water wheels power device includes two groups of hydraulic turbines, and the transmission shaft of the hydraulic turbine is parallel to the ground and is parallel to each other；Often
The group hydraulic turbine includes at least two hydraulic turbines (23), which is arranged above and below setting, two hydraulic turbines
Belt pulley pass through driving belt connect；The water wheels of two groups of hydraulic turbines are placed in a closed water chamber (24)；The water
Ceiling portion is equipped with water inlet, and water inlet pipe (21) is perpendicular to the ground from water inlet protrudes into water chamber, its water outlet is located at the upper of the hydraulic turbine
Side；The water inlet bottom of the tube is equipped with two water outlets and is in charge of (22), this two water outlets, which are in charge of, is located at top to two groups of hydraulic turbines respectively
The water wheels of the hydraulic turbine be obliquely installed the water wheels so that two groups of superposed hydraulic turbines of the hydraulic turbine of water flow directive；The water inlet pipe
Water inlet end connect the discharge outlet of the tower top；The water chamber bottom is equipped with water outlet；Two groups of hydraulic turbines are located at most
The hydraulic turbine of lower part is connect with the transmission shaft of generator (4) and the water box by belt respectively.
2. hydroelectric power system according to claim 1, it is characterised in that: be equipped with water storage above the water wheels power device
Case (2), the water tank top are equipped with the discharge outlet that water inlet connects the tower top by water pipe, the bottom of storage tank
The water inlet pipe of the water wheels power device is connected equipped with water outlet.
3. hydroelectric power system according to claim 1, it is characterised in that: one group of water wheels seat in the plane in two groups of hydraulic turbines
It is additionally provided with gearbox between the hydraulic turbine of lowest part and the transmission shaft of the water box, and is connected respectively with gearbox by belt
It connects.
4. hydroelectric power system according to claim 1, it is characterised in that: in the groove of three convex portions of the tri-star wheel
It is respectively equipped with roller or bearing.
5. hydroelectric power system according to claim 1, it is characterised in that: three inlet valves are respectively arranged in two pumping chambers
With three outlet valves.
6. hydroelectric power system according to claim 1, it is characterised in that: four inlet valves are respectively arranged in two pumping chambers
With four outlet valves.
7. hydroelectric power system according to claim 1, it is characterised in that: the hollow pontoon is made of light material.
8. hydroelectric power system according to claim 1, it is characterised in that: the hollow pontoon and mandril, upper ejector pin are distinguished
It is fixedly connected.
9. hydroelectric power system according to claim 1, it is characterised in that: in two groups of hydraulic turbines, one group of the hydraulic turbine
Same level is corresponded to each other with the hydraulic turbine of another set to be set side by side.
10. hydroelectric power system according to claim 1, it is characterised in that: every group of hydraulic turbine includes three hydraulic turbines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820679484.0U CN208718827U (en) | 2018-05-08 | 2018-05-08 | The hydroelectric power system of water kinetic energy more than capable of utilizing water for producing electric power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820679484.0U CN208718827U (en) | 2018-05-08 | 2018-05-08 | The hydroelectric power system of water kinetic energy more than capable of utilizing water for producing electric power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208718827U true CN208718827U (en) | 2019-04-09 |
Family
ID=65970329
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820679484.0U Withdrawn - After Issue CN208718827U (en) | 2018-05-08 | 2018-05-08 | The hydroelectric power system of water kinetic energy more than capable of utilizing water for producing electric power |
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| CN (1) | CN208718827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547724A (en) * | 2018-05-08 | 2018-09-18 | 李汉明 | The hydroelectric power system of water kinetic energy more than capable of utilizing water for producing electric power |
-
2018
- 2018-05-08 CN CN201820679484.0U patent/CN208718827U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547724A (en) * | 2018-05-08 | 2018-09-18 | 李汉明 | The hydroelectric power system of water kinetic energy more than capable of utilizing water for producing electric power |
| CN108547724B (en) * | 2018-05-08 | 2024-05-07 | 李汉明 | Hydroelectric power generation system capable of utilizing kinetic energy of residual water of hydroelectric power generation |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190409 Effective date of abandoning: 20240507 |