公开(公告)号：US20210123411A1

公开(公告)日：2021-04-29

申请号：US16975572

申请日：2019-06-11

申请人： Ferenc BEKO

发明人： Ferenc BEKO

IPC分类号： F03B17/06 ,  F03D3/06 ,  F03D15/00

摘要： The subject-matter of the invention is an apparatus for converting energy of wind or water, it is driven by natural energy of wind or water, it is a rotating machine with either magnetic control or mechanic one where blades move along an open eccentric path with continuously changing radius in its construction; in the construction one or more sliding blocks (2) are fastened on a driven axle (1) shapes suitable for sliding are formed in the said blocks, their number depends on the number of blade arms (3) of the blades (5), there are secondary sliding blocks (4) and a power transmission system is established, which is realized by the driven axle (1) and the blades (5) led to a leading path (6) eccentric to the axle.

公开(公告)号：US10982645B2

公开(公告)日：2021-04-20

申请号：US16134595

申请日：2018-09-18

申请人： Differential Dynamics Corporation

发明人： Kyung Soo Han

IPC分类号： F03B13/26 ,  F03B15/12 ,  F03B17/06 ,  F03D15/10 ,  F03D17/00 ,  F03D9/25 ,  F16H3/06 ,  F16H3/72 ,  F03D15/00 ,  F03D3/04

摘要： A river or tidal turbine for generating a minimum predetermined value of electricity from river current received at a harnessing module comprises a harnessing module, a control module and a generating module. Han's principle is that harnessed power from a river or tidal turbine must exceed a predetermined value of control power used by the turbine. Minimum power is lost in a three variable closed mechanical control system. The three variable closed mechanical system comprises a Hummingbird control assembly of first and second spur/helical gear assemblies which may be preferably mechanically simplified. The Hummingbird control, a control motor and a generator among other components may be mounted on a floating platform for delivery of constant power at constant frequency given sufficient input from a waterwheel harnessing module driven by river current flow in at least one direction. A tidal embodiment may comprise a moveable hatch for permitting the waterwheel to turn in foe same rotational direction regardless of direction of water current flow.

公开(公告)号：US10975832B2

公开(公告)日：2021-04-13

申请号：US16411987

申请日：2019-05-14

申请人： Donald Hollis Gehring

发明人： Donald Hollis Gehring

IPC分类号： F03B13/10 ,  F03B17/06 ,  F03B13/26

摘要： A water current catcher system for hydroelectricity generation includes a first L-shaped weir, a second L-shaped weir, a channel opening, an underwater gate assembly, and at least one elevation adjustable hydroelectric generator unit. The first and second L-shaped weir are connected to a subsurface environment and linearly positioned to each other. The channel opening is delineated between the first L-shaped weir and the second L-shaped weir. The underwater gate assembly is integrated into the first L-shaped weir, the second L-shaped weir, and the subsurface environment thus positioning about the channel opening. The elevation adjustable hydroelectric generator unit that includes a first jack-up barge, a second jack-up barge, a waterwheel, and a generator is connected to the subsurface environment and adjacently positioned about the channel opening. The elevation adjustable hydroelectric generator unit is operatively coupled with the underwater gate assembly to convert the kinetic energy of flowing water into hydroelectricity.

公开(公告)号：US10920746B2

公开(公告)日：2021-02-16

申请号：US15188161

申请日：2016-06-21

申请人： National Applied Research Laboratories

发明人： Yung-Bin Lin ,  Kuo-Chun Chang ,  Jihn-Sung Lai ,  Yuan-Shiang Tsai ,  Chi-Heng Chiang ,  Ping-Hsun Huang

IPC分类号： F03D3/04 ,  F03B17/06 ,  F03D9/25 ,  F03D9/00 ,  F03B13/26 ,  F03B13/12 ,  F03D3/00 ,  F03D5/06

摘要： The present invention relates to a power generating system utilizing current around a structural body. The power generating system is disposed in a flow field, wherein the streams of the flow field flow along a main fluid flow direction. The power generating system comprises a supporting device and a power generating device. The supporting device comprises a supporting body, wherein at least one of a stream-facing region, a side-stream region, and a vortex region is defined on the supporting body. The power generating device comprises at least one power generating unit and a power storage unit, wherein the power generating unit is disposed in at least one of the stream-facing region, the side-stream region, and the vortex region.

公开(公告)号：US10900464B1

公开(公告)日：2021-01-26

申请号：US16528371

申请日：2019-07-31

申请人： NATIONAL TAIWAN NORMAL UNIVERSITY

发明人： Chin-Guo Kuo ,  Jung-Hsuan Chen ,  Chao-Fu Shu

IPC分类号： F03B17/06

摘要： A method of automatically extracting energy from flowing liquid and a device using the same are disclosed. The device includes a paddle rod and a swing device. The paddle rod includes two paddles to bear a pushing force of flowing liquid. When the paddle rod is swung, one of the two paddle enters water and the other paddle leaves from water surface. When the paddle in the water bears a pushing force of flowing liquid to drive a rotary body to swing, the paddle rod moves upwardly and leaves the water surface, and the other paddle enters water to bear the pushing force, and after the rotary body is driven to swing reversely, the paddle rod moves upwardly and leaves water surface, and at the same time the paddle enters the water to bear the pushing force, to drive the rotary body to swing reversely.

公开(公告)号：US20210017950A1

公开(公告)日：2021-01-21

申请号：US16980477

申请日：2018-03-14

申请人： Gerald (nmi) Coyle

发明人： Gerald (nmi) Coyle

IPC分类号： F03B7/00 ,  F03B17/06 ,  F03B11/08

摘要： A waterwheel assembly for a river or similar body of flowing water includes a waterwheel mounted on a support structure, and one or more buoyant members, wherein waterwheel can move up and down, and the buyout members support part of the weight of the waterwheel so that the waterwheel is able to rise and fall with any change to the river level, and the support structure is secured on land by the river or body of water by means of one or more cantilevered beams. The waterwheel has an axle secured between two vertical posts by means of salable bearings that permit the waterwheel to move up and down.

公开(公告)号：US20210003110A1

公开(公告)日：2021-01-07

申请号：US17040768

申请日：2019-03-08

申请人： WEDDENDORF DESIGN, INC.

发明人： BRUCE WEDDENDORF

IPC分类号： F03B13/26 ,  F03B17/06

摘要： Substantially horizontal axis water turbine assemblies for generating electrical power in areas having poor sources of water flow including rotors mounted within housings in such a manner so as to minimize water resistance to the rotor blades with rotor blades passing through upper rotor return air spaces created within the housings and wherein the turbine assemblies may be mounted within support structures that both channel water flow to the turbine assemblies and facilitate access to the components thereof.

公开(公告)号：US20200325873A1

公开(公告)日：2020-10-15

申请号：US16673879

申请日：2019-11-04

申请人： Kitefarms LLC

发明人： Robert LUMLEY

IPC分类号： F03D5/04 ,  F03D7/02 ,  F03D13/20 ,  B64C31/06 ,  F03D9/25 ,  F03D13/10 ,  F03B17/06

摘要： An apparatus for extracting power includes a track and an airfoil coupled to the track. The track includes first and second elongate sections, where the first elongate section is positioned above the second elongate section. The airfoil is moveable in opposite directions when alternately coupled to the first elongate section and second elongate section.

公开(公告)号：US20200325871A1

公开(公告)日：2020-10-15

申请号：US16956849

申请日：2019-01-18

申请人： Goran Kepnik S.P.

发明人： Goran Kepnik

IPC分类号： F03B17/06 ,  F03B3/00 ,  H02K7/18

摘要： The hydro turbine of the invention consists of a housing, which represents a stator part of hydro turbine, or a stator (S), and a rotor (R) that is assembled on the stator (S) through its axis so as to enable its rotation. The rotor (R) is designed as an axially symmetric body with flat lateral surfaces with a circular cross-section. The circular cross-section from both outer ends, that is from both flat lateral surfaces with a circular cross-section, decreases equally and continuously towards the middle, so that the rotor (R) has a narrowest cross-section in the middle. The decrease of the circular cross-section from both outer ends of the rotor (R) towards the central part of the rotor (R) is carried out such that the shape of the rotor (R) body in the longitudinal cross-section, that is, along the axis of the rotor (R), follows the shape of a parabolic curve or a sinusoidal curve. The rotor (R) has over its entire surface, in the longitudinal direction, that is along its axis, curved grooves (U). This kind of design of the hydro turbine enables that the water flows through the grooves (U) towards the middle part of the rotor (R), where it flows out and transfers all the momentum to the rotor (R), so that the hydro turbine can generate the torque (MR) even with small and variable flows.

公开(公告)号：US10774806B1

公开(公告)日：2020-09-15

申请号：US16371111

申请日：2019-04-01

申请人： Shun Tsung Lu

发明人： Shun Tsung Lu

IPC分类号： F03B13/00 ,  H02P9/04 ,  F03B17/06

摘要： 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.