CN101965450B - Hydraulic power generator - Google Patents
Hydraulic power generator Download PDFInfo
- Publication number
- CN101965450B CN101965450B CN200980108202.5A CN200980108202A CN101965450B CN 101965450 B CN101965450 B CN 101965450B CN 200980108202 A CN200980108202 A CN 200980108202A CN 101965450 B CN101965450 B CN 101965450B
- Authority
- CN
- China
- Prior art keywords
- water intaking
- water
- intaking cylinder
- rotary screw
- stand
- 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.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/06—Stations or aggregates of water-storage type, e.g. comprising a turbine and a pump
-
- 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"
- F03B17/061—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 in flow direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/16—Stators
- F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
-
- 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
-
- 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
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Hydraulic Turbines (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
A hydraulic power generator comprises a cylindrical water intake drum (14) the axial direction of which is positioned in the vertical direction and through which water flows downward, a guide member (15) which is provided in the water intake drum (14) and allows the water to flow in a specified direction, and a rotary screw (22) provided below the guide member (15) and rotated by receiving the water flown from the guide member (15). The guide member (15) includes a water throttling drum (16) positioned on the center axis of the water intake drum (14) and having a diameter gradually increased in downward direction, and a fixed screw (20) which partitions the space between the water throttling drum (16) and the water intake drum (14) along the circumference of the water intake drum (14). The mounting angle of the fixed screw (20) is made to be tilted relative to the axial direction of the water intake drum (14), and to intersect the surfaces of the rotary screw (22) that receive water.
Description
Technical field
The present invention relates to be arranged at the small-sized hydroelectric installation on the smaller water route of the flows such as agricultural water path.
Background technique
There is the small-sized hydroelectric installation on the water route be arranged on agricultural water path etc. in the past.For example, in patent documentation 1, disclosed hydroelectric installation is, at the drop place of agricultural water path etc., the framework that hydroelectric installation is supported in handling is freely set.In framework, be provided with generator, described generator is to be connected on reaction turbine impeller blade and to be formed by running shaft direct or that utilize transfer mechanism that vertical shaft is constructed.And then, by possess power failure, equipment fault etc. time automatic standard-sized sheet impeller blade and the guide vane of drive unit be contained in housing, by they unit that forms as one.
Patent documentation 1: TOHKEMY 2005-320883 communique
In the situation of above-mentioned background technology, in the current that utilize the drop in water route and naturally flow into, impeller blade rotates and generates electricity, and current are not effectively towards impeller blade, and the efficiency of utilizing impeller blade that current are converted to rotating force is also poor, can not obtain sufficient generating efficiency.In addition, complex structure and price are high, safeguard also bothersome.
Summary of the invention
The present invention's problem points is in view of the aforementioned technical background made, and its object is, a kind of hydroelectric installation is provided, and it is compact shape, can by the energy changing of water, be rotating energy and generating electricity with high generating efficiency efficiently.
The present invention is a kind of hydroelectric installation, possesses: water intaking cylinder, and the central shaft of described water intaking cylinder vertically arranges and makes water downward by the inner side of described water intaking cylinder; Guide element, is located at the inner side of described water intaking cylinder and water is flowed in a certain direction; Rotary screw, is arranged at the below of described guide element and accepts and flow the water coming and be rotated from described guide element; And the generator being connected with the axial region of described rotary screw, in described guide element, be provided with: throttling drum, is positioned on the central shaft of described water intaking cylinder and diameter downward becomes large; And standing screw, circumference along described water intaking cylinder is divided the space between described throttling drum and described water intaking cylinder, and the setting angle of described standing screw is set to that described central axis direction with respect to described water intaking cylinder tilts and with respect to the angle of the level-crossing of accepting water of described rotary screw.
In addition, the described throttling drum of described guide element possesses: conus portion, and the central shaft and the diameter that have with respect to the described central axes of described water intaking cylinder downward become large; And with respect to the parallel cylindrical portion of described water intaking cylinder, the underpart and the diameter that are positioned at described conus portion are less than described water intaking cylinder.And then throttling drum is provided with and is connected with the large-diameter portion of the lower end of described conus portion and the cylindrical portion of the equal diameters of diameter and described large-diameter portion.
In addition, described rotary screw be provided with vertical axial region and in the side of described axial region with helical around the blade part arranging, described standing screw is integrally formed at the lateral circle surface of described cylindrical portion, and the angle of described standing screw is that upper surface with respect to the described blade part of described rotary screw is along right angle orientation setting.
In addition, in the arranged outside of described water intaking cylinder, there is the stand of the described water intaking cylinder of supporting, on the top of described stand, described generator is installed, between described generator and described rotary screw, by axle, be connected.And then, described hydroelectric installation is arranged at the position with step difference in water route, the upper end edge portion of the opening of described water intaking cylinder is arranged on the water surface elevation of the step difference upstream in described water route, the part relative with step difference described water route upstream described upper end edge portion by the bottom angled towards step difference upstream excise.
Hydroelectric installation of the present invention is compact shape, can by the energy changing of current, be that rotating energy generates electricity efficiently, and structure is also simple, and cost is also cheap.
Accompanying drawing explanation
Fig. 1 is the sectional arrangement drawing of the hydroelectric installation of one embodiment of the present invention.
Fig. 2 means the water intaking cylinder of hydroelectric installation of this mode of execution and the planimetric map of guide element.
Fig. 3 means the sectional arrangement drawing of use state of the hydroelectric installation of this mode of execution.
Embodiment
Below with reference to the accompanying drawings embodiments of the present invention are described.Fig. 1～Fig. 3 represents one embodiment of the present invention, so the hydroelectric installation 10 of present embodiment is provided with the stand 12 that consists of the rectangle that Vertical direction is long.Stand 12 is provided with: the 12a of pair of base portion being parallel to each other that is arranged at second bottom 52 in water route 44 described later; Substantially vertically erect two 12b of coupled columns portion of setting with each base part 12a; And the upper end portion 12c of the upper end of connection two 12b of coupled columns portion.Near the part base part 12a of the 12b of post portion separates predetermined distance with respect to base part 12a and is provided with abreast holding part 12d.Also the not shown structure of the length of the 12b of adjustment column portion can be set in the part of the close upper end portion 12c of the 12b of post portion.And, near base part 12a, upper end portion 12c, holding part 12d, not shown landscape orientation element respectively between the 12b of post portion approximate right angle ground arranged in a crossed manner, be assembled into dimetric box-shaped.
In the inner side of four 12b of post portion of stand 12, be provided with columnar water intaking cylinder 14.Water intaking cylinder 14 is with the vertically disposed mode upper and lower opening of central axis direction, and the only about half of length of the upper end edge portion 14a of opening is tilted excision downwards and has cut portion 14b upward.The lower end edge portion 14c of water intaking cylinder 14 arranges and opening in general horizontal direction.
Inner side at water intaking cylinder 14 is fixed with guide element 15.On guide element 15, be provided with the throttling drum 16 on the central shaft that is positioned at water intaking cylinder 14.Throttling drum 16 is provided with: have with respect to the parallel central shaft of water intaking cylinder 14 and downward diameter become large conus portion 16a; Be connected with the large-diameter portion of lower end with conus portion 16a and with respect to water intaking cylinder 14 parallel and with the cylindrical portion 16b of the equal diameters diameter of described large-diameter portion.The diameter of cylindrical portion 16b is less than the diameter of water intaking cylinder 14, vacates the interval of the current that can obtain regulation.At the central shaft of throttling drum 16, be vertically provided with for aftermentioned axle 28 and insert logical insertion portion 18.
Lateral circle surface at the cylindrical portion 16b of throttling drum 16 is provided with standing screw 20.Standing screw 20 is plate bodys of four rectangles that the space between throttling drum 16 and water intaking cylinder 14 is divided in radiation direction along the circumference of water intaking cylinder 14, and the space between throttling drum 16 and water intaking cylinder 14 is uniformly-spaced divided into four regions.One side's of each standing screw 20 side edge part is fixed on the cylindrical portion 16b of throttling drum 16, and the side edge part relative with this side edge part is fixed on the inner peripheral surface of water intaking cylinder 14, and other a pair of side edge part exposes to the inner side of water intaking cylinder 14.The setting angle of each standing screw 20 tilts downwards clockwise agley with respect to the axle direction of water intaking cylinder 14, and the angle of inclination meets at right angles substantially with respect to the upper surface of the blade part 26 of rotary screw 22 described later.The angle that comprises 90 degree front and back at this so-called right angle.In addition, the thickness direction of each standing screw 20 slight curvature downward.
Below guide element 15, be provided with rotary screw 22.Rotary screw 22 has substantially vertical axial region 24, at the lateral circle surface of axial region 24, is provided with four blade parts 26.Each blade part 26 is set to respect to the axle direction of axial region 24 mobile helical counterclockwise downward, and four blade parts arrange in parallel with each other.
On the axial region 24 of rotary screw 22, be connected with axle 28.The axial region 24 that axle 28 connects rotary screws 22 is also fixed, and above axial region 24, generally perpendicularly extends, and rotatably inserts the open-work 18 on the logical throttling drum 16 that is formed at guide element 15, and then extends upward and arrive the upper end portion 12c of stand 12.The upper end portion 28a of axle 28 is fixed in bearing 30 supportings of the upper end portion 12c of stand 12, is connected with coupling 32.Coupling 32 is connected with booster engine 34.And then other axle 36 extends setting upward from booster engine 34, axle 36 links via coupling 38 and generator 40.
The underpart 28b of axle 28 extends to the below of the axial region 24 of rotary screw 22, arrives the holding part 12d of stand 12.And the bearing 42 that is fixed in holding part 12d is rotatably mounted.
Then, with reference to Fig. 3, the using method of the hydroelectric installation 10 of present embodiment is described.The water route 44 of hydroelectric installation 10 is installed by pair of sidewalls portion 46 protection two sides, between side wall portion 46, forms the first shallow bottom 48.Downstream side in the first bottom 48 connects stepped part 50 substantially vertically downward, and then is connected with second bottom 52 darker than the first bottom 48 in stepped part 50.Hydroelectric installation 10 is arranged near the stepped part 50 in water route 44, and the 12b of post portion of stand 12 and stepped part 50 arrange substantially contiguously, and base part 12a is arranged to the second bottom 52.Now, the cut portion 14b of water intaking cylinder 14 arranges in the mode relative with the first bottom 48, and it is basic identical with the first bottom 48 that the underpart of cut portion 14b is set to height.In the situation that the 12b of post portion of stand 12 is provided with height adjusting function, according to the stepped part in water route 44 50, regulate height.
Then the action of hydroelectric installation 10 is described.The water of the first bottom 48 in water route 44 of flowing through falls in stepped part 50, by cut portion 14b, in the water intaking cylinder 14 of hydroelectric installation 10, flows into.The water that flows into water intaking cylinder 14 vertically falls, and clashes into guide element 15, to the throttling drum 16 of guide element 15 and the spatial flow between standing screw 20, along the lateral circle surface of throttling drum 16 and the elongation line of standing screw 20, flows down.The position flowing down is that pay closely the edge of leaving from axial region 24 of the blade part 26 of rotary screw 22, and the angle flowing down is for substantially meeting at right angles with respect to the upper surface of blade part 26.And, when water falls to the blade part 26 of rotary screw 22, pushing blade part 26 and make rotary screw 22 observe deasil rotation from top centered by axial region 24.Now, due to the standing screw 20 of guide element 15, water becomes the stream being divided into everywhere, because the throttling drum 16 of guide element 15 becomes large taper shape for diameter downward, near the part of the stream of the water inner peripheral surface of water intaking cylinder 14 is narrow, so the flow velocity of water falls with the state accelerating.The blade part 26 that is positioned at the rotary screw 22 of below is also provided with four, from the water falling everywhere of guide element 15, is received reliably, is converted to the rotating energy of rotary screw 22.Be accompanied by the rotation of rotary screw 22, axle 28,36 rotations, are generated electricity by generator 40.For example, in the such generator 40 of present embodiment, in the water route 44 with the stepped part 50 below drop 3m, can carry out the generating of 3kw.Water by rotary screw 22 falls to the second bottom 52, flows through the second bottom 52.
According to the hydroelectric installation 10 of present embodiment, simple structure and be compact shape, can be that rotating energy generates electricity by the transformation of energy of water efficiently.Due to simple structure, therefore cheap and easily move, maintenance is also simple in addition, can use easily.Utilize guide element 15 that the substantially vertical current that fall of step difference are by water changed to the high direction of efficiency, make water with best angle, clash into the optimum position of the blade part 26 of rotary screw 22.Thus, generating efficiency is good, can when the water yield that flows through water route 44 is less, also make flow velocity accelerate and generate electricity reliably in addition.Hydroelectric installation 10 is midget plant, even so the drop of stepped part 50 be that 2 meters of left and right also can be used, owing to saving space, be arranged on various places.There is the good such reverse effect of the space of saving and generating efficiency.
Hydroelectric installation of the present invention is not limited to above-mentioned mode of execution, and the shape of each parts can suitably change.The shape of guide element can also be to make current towards the shape of suitable direction except above-mentioned.In addition, the shape of the blade part of rotary screw, number, angle etc. also can suitably change.
Label declaration:
10 hydroelectric installations
12 stands
14 water intaking cylinders
15 guide elements
16 throttling drums
16a conus portion
16b cylindrical portion
20 standing screws
22 rotary screws
24 axial regions
26 blade parts
28 axles
40 generators
Claims (1)
1. a hydroelectric installation, possesses: water intaking cylinder, and the central shaft of described water intaking cylinder vertically arranges and makes water downward by the inner side of described water intaking cylinder; Guide element, is located at the inner side of described water intaking cylinder and water is flowed in a certain direction; Rotary screw, is arranged at the below of described guide element and accepts and flow the water coming and be rotated from described guide element; And the generator being connected with the axial region of described rotary screw,
In described guide element, be provided with: throttling drum, is positioned on the central shaft of described water intaking cylinder and diameter downward becomes large; And standing screw, circumference along described water intaking cylinder is divided the space between described throttling drum and described water intaking cylinder, the setting angle of described standing screw is set to that described central axis direction with respect to described water intaking cylinder tilts and with respect to the angle of the level-crossing of accepting water of described rotary screw
The described throttling drum of described guide element possesses: conus portion, and the central shaft and the diameter that have with respect to the described central axes of described water intaking cylinder downward become large; And with respect to the parallel cylindrical portion of described water intaking cylinder, the underpart and the diameter that are positioned at described conus portion are less than described water intaking cylinder,
Throttling drum is provided with and is connected with the large-diameter portion of the lower end of described conus portion and the cylindrical portion of the equal diameters of diameter and described large-diameter portion,
Described rotary screw be provided with vertical axial region and in the side of described axial region with helical around the blade part arranging, described standing screw is integrally formed at the lateral circle surface of described cylindrical portion, the angle of described standing screw is that upper surface with respect to the described blade part of described rotary screw is along right angle orientation setting
The stand that has the described water intaking cylinder of supporting in the arranged outside of described water intaking cylinder, is provided with described generator on the top of described stand, between described generator and described rotary screw, by axle, is connected,
Described hydroelectric installation is arranged at the position with step difference in water route, the upper end edge portion of the opening of described water intaking cylinder is arranged on the water surface elevation of the step difference upstream in described water route, the part relative with step difference described water route upstream described upper end edge portion by the bottom angled towards step difference upstream excise
Described hydroelectric installation is provided with the stand (12) that consists of the rectangle that Vertical direction is long, and stand (12) is provided with: the pair of base portion (12a) being parallel to each other that is arranged at second bottom (52) in water route (44); Substantially vertically erect two coupled columns portions (12b) of setting with each base part (12a); And the upper end portion (12c) of the upper end of the two coupled columns portions (12b) of connection, near the part base part (12a) of post portion (12b) separates predetermined distance with respect to base part (12a) and is provided with abreast holding part (12d),
In the inner side of four post portions (12b) of stand (12), be provided with columnar water intaking cylinder (14), water intaking cylinder (14) is with the vertically disposed mode upper and lower opening of central axis direction, the only about half of length of the upper end edge portion of opening (14a) is tilted excision downwards and is had cut portion (14b) upward
On the axial region (24) of rotary screw (22), be connected with axle (28), axle (28) connects the axial region (24) of rotary screw (22) and is fixed, generally perpendicularly extend top at axial region (24), rotatably insert the logical throttling that is formed at guide element (15) and rouse the open-work (18) on (16), and then extend upward and arrive the upper end portion (12c) of stand (12), the upper end portion (28a) of axle (28) is fixed in bearing (30) supporting of the upper end portion (12c) of stand (12), be connected with coupling (32), coupling (32) is connected with booster engine (34), and then, other axle (36) extends setting upward from booster engine (34), axle (36) links via coupling (38) and generator (40).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008064620A JP4558055B2 (en) | 2008-03-13 | 2008-03-13 | Hydroelectric generator |
| JP2008-064620 | 2008-03-13 | ||
| PCT/JP2009/054867 WO2009113656A1 (en) | 2008-03-13 | 2009-03-13 | Hydraulic power generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101965450A CN101965450A (en) | 2011-02-02 |
| CN101965450B true CN101965450B (en) | 2014-04-30 |
Family
ID=41065317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980108202.5A Expired - Fee Related CN101965450B (en) | 2008-03-13 | 2009-03-13 | Hydraulic power generator |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4558055B2 (en) |
| KR (1) | KR20100129755A (en) |
| CN (1) | CN101965450B (en) |
| WO (1) | WO2009113656A1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011122577A (en) * | 2009-12-09 | 2011-06-23 | Osamu Nagao | Natural river power generation system |
| ES2400764B1 (en) | 2010-08-17 | 2014-04-29 | Perga Ingenieros S.L. | TURBOGENERATOR DEVICE FOR THE GENERATION OF ENERGY IN THE RECHARGE OF AQUIFEROS AND PROCEDURE ASSOCIATED WITH THE SAME |
| RU2563287C2 (en) * | 2010-08-18 | 2015-09-20 | Владимир Григорьевич Иванов | Water-pressure engine |
| DE102010045413A1 (en) * | 2010-09-15 | 2012-03-15 | P.E.A.C.E.-Power Water And Wastewater Gmbh | flow converter |
| JP2014156858A (en) * | 2013-01-15 | 2014-08-28 | Lens Co Ltd | Hydraulic power generation device and installation method for the same |
| JP5517010B1 (en) * | 2013-05-28 | 2014-06-11 | 納 長尾 | Hydroelectric generator |
| RU2561819C2 (en) * | 2013-12-13 | 2015-09-10 | Степан Павлович Филипчук | Hydroelectric pumped storage power plant for high water heads |
| CN106121900B (en) * | 2016-08-19 | 2018-10-02 | 浙江景宁周氏机械有限公司 | High-efficient water wheel generator |
| JP6130965B1 (en) * | 2016-12-20 | 2017-05-17 | 株式会社Ｗｇｅ | Fluid machine, power generator and pressure booster |
| JP6249543B1 (en) * | 2017-05-16 | 2017-12-20 | 株式会社Ｗｇｅ | Fluid machinery |
| KR102337145B1 (en) * | 2021-04-30 | 2021-12-09 | 한국친환경에너지기술(주) | Micro hydro power generation apparatus |
| KR102337144B1 (en) * | 2021-04-30 | 2021-12-09 | 한국친환경에너지기술(주) | Micro hydro power generation apparatus |
| KR102337146B1 (en) * | 2021-04-30 | 2021-12-13 | 한국친환경에너지기술(주) | Micro hydro power generation apparatus |
| WO2024071334A2 (en) | 2022-09-30 | 2024-04-04 | Ricoh Company, Ltd. | Method for producing hydroelectric power generator and hydroelectric power generator |
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| CN2180808Y (en) * | 1993-11-15 | 1994-10-26 | 赵贵 | High-quality screw pump without hub |
| CN1399708A (en) * | 1999-10-05 | 2003-02-26 | 通达商业集团国际公司 | Hydro-power generation for water treatment system |
| CN2611623Y (en) * | 2002-05-20 | 2004-04-14 | 四川工业学院 | Shaft extension oblique flowing water-turbine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60195383A (en) * | 1984-03-19 | 1985-10-03 | Koichi Totsugi | Generating set utilizing fixed weir of river |
| JPS60249673A (en) * | 1984-05-24 | 1985-12-10 | Koichi Totsugi | Hydraulic turbine |
| JPS62200180U (en) * | 1986-06-10 | 1987-12-19 | ||
| JP2000010546A (en) * | 1998-06-23 | 2000-01-14 | Victor Co Of Japan Ltd | Computer signal generating device |
| JP2004124829A (en) * | 2002-10-03 | 2004-04-22 | Howa Mach Ltd | Hydraulic power generation device for small electric power generation |
| JP4148519B2 (en) * | 2004-05-07 | 2008-09-10 | 電源開発株式会社 | Hydroelectric power generation equipment to be installed at the head of agricultural waterways |
| JP4737992B2 (en) * | 2005-01-07 | 2011-08-03 | 川崎重工業株式会社 | Hydroelectric generator |
| JP2007205212A (en) * | 2006-01-31 | 2007-08-16 | Nishida Marine Boiler Co Ltd | Gate with power generation device |
| JP4948924B2 (en) * | 2006-07-06 | 2012-06-06 | 川崎重工業株式会社 | Hydroelectric generator |
-
2008
- 2008-03-13 JP JP2008064620A patent/JP4558055B2/en active Active
-
2009
- 2009-03-13 KR KR1020107022114A patent/KR20100129755A/en not_active Application Discontinuation
- 2009-03-13 CN CN200980108202.5A patent/CN101965450B/en not_active Expired - Fee Related
- 2009-03-13 WO PCT/JP2009/054867 patent/WO2009113656A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2180808Y (en) * | 1993-11-15 | 1994-10-26 | 赵贵 | High-quality screw pump without hub |
| CN1399708A (en) * | 1999-10-05 | 2003-02-26 | 通达商业集团国际公司 | Hydro-power generation for water treatment system |
| CN2611623Y (en) * | 2002-05-20 | 2004-04-14 | 四川工业学院 | Shaft extension oblique flowing water-turbine |
Non-Patent Citations (4)
| Title |
|---|
| JP昭60-249673A 1985.12.10 |
| JP昭62-200180U 1987.12.19 |
| JP特开2004-124829A 2004.04.22 |
| JP特开2006-189014A 2006.07.20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009221882A (en) | 2009-10-01 |
| JP4558055B2 (en) | 2010-10-06 |
| WO2009113656A1 (en) | 2009-09-17 |
| CN101965450A (en) | 2011-02-02 |
| KR20100129755A (en) | 2010-12-09 |
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