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公开(公告)号：US11594943B2
公开(公告)日：2023-02-28
申请号：US17376014
申请日：2021-07-14
申请人： ANDRITZ HYDRO CORP.
发明人： Christopher George Tuttle , Hiram Lee Avant , William Hopper , Lorenzo Pelayo , Joseph Matthew Travis , Bernard Cantin
摘要： A method for in-place machining of a collector ring attached to a turbine shaft of a hydroelectric generator includes: attaching a support member to stationary portions of the hydroelectric generator, the support member being configured to support a machine tool at an angle parallel to an inclination angle of an axis of rotation of the turbine shaft; attaching an adjustable positioning device to the support member; attaching the machine tool to the adjustable positioning device, the machine tool being configured to perform a machining operation on the collector ring; controlling a rotational speed of the turbine shaft to a specified rotational speed by controlling a flow of water through the turbine; adjusting the adjustable positioning device to adjust a position of the machine tool with respect to the collector ring; and performing the machining operation on the collector ring at the specified rotational speed of the turbine shaft.
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公开(公告)号：US20220195974A1
公开(公告)日：2022-06-23
申请号：US17131229
申请日：2020-12-22
申请人： William Riley
发明人： William Riley
摘要： An energy generation system includes an excess water drain disposed at a first elevation, an aquifer disposed at a second elevation lower than the first elevation, a conduit in fluid communication with the excess water drain and the aquifer, and a turbine generator disposed in the conduit. The turbine generator is configured to convert kinetic energy of excess water flowing through the conduit from the excess water drain to the aquifer into electrical energy.
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公开(公告)号：US20220170439A1
公开(公告)日：2022-06-02
申请号：US17666928
申请日：2022-02-08
申请人： Carroll Hector, LLC
摘要： A pumped storage electricity generating system that includes a water feed line for introducing water into a pressure vessel. Water flow valves communicate with the pressure vessel to control introduction of water into the pressure vessel. A push plate is mounted for movement in the pressure vessel. A single motor, for example, hydraulic radial piston motors, may be adapted for reciprocating the push plate linearly between a first direction wherein water is drawn into the pressure vessel through the water flow valves and a second direction wherein water is conveyed downstream through the water discharge line under pressure to the hydroelectric turbine. Other embodiments are double-acting and convey water to the turbine on each stroke.
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公开(公告)号：US11286899B2
公开(公告)日：2022-03-29
申请号：US17124890
申请日：2020-12-17
申请人： Robert Freda , Bradford G. Knight
发明人： Robert Freda , Bradford G. Knight
摘要： A hydrodynamic electrification system that generates electricity from water moving from a high side to a low side and around a structure that divides the low side from the high side generally includes a water transport system that directs the water from the high side presenting a hydraulic head, over the structure, and to the low side. The system includes a power extraction system having a wheel that receives the water from said water transport system and a mounting system having a high side anchor that connects near an intake to the water transport system at the high side and having a low side anchor that connects to the power extraction system at the low side.
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公开(公告)号：US11280312B2
公开(公告)日：2022-03-22
申请号：US17404209
申请日：2021-08-17
申请人： Carroll Hector, LLC
摘要： A pumped storage electricity generating system that includes a water feed line for introducing water into a pressure vessel. Water flow valves communicate with the pressure vessel to control introduction of water into the pressure vessel. A push plate is mounted for movement in the pressure vessel between opposed first and second motors, for example, hydraulic radial piston motors adapted for reciprocating the push plate linearly between a first direction wherein water is drawn into the pressure vessel through the water flow valves and a second direction wherein water is conveyed downstream through the water discharge line under pressure to the hydroelectric turbine. Other embodiments are double-acting and convey water to the turbine on each stroke.
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公开(公告)号：US20220034290A1
公开(公告)日：2022-02-03
申请号：US17346219
申请日：2021-06-12
申请人： Robert J Evans , Lisa Marie Evans
摘要： An electrical power generation system comprising a tube comprising a plurality of upper curves and a plurality of lower curves and forming a loop, the upper curves located at a higher vertical height than the lower curves and a plurality of electric generators external to the tube, each electric generator comprising a generator wheel having a magnet thereon, the plurality of electric generators positioned proximal to an external wall of the tube and electrically connected to a power grid. A plurality of buoyant torpedoes comprising a magnet travels through the tube and turns the wheel of the electric generator in response to the magnetic interaction between the magnet on the torpedo and the magnet on the generator wheel. At least a portion of the plurality of lower curves of the tube may comprise a check valve.
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公开(公告)号：US20210396203A1
公开(公告)日：2021-12-23
申请号：US17288919
申请日：2019-11-26
申请人： Hans Gude Gudesen
发明人： Hans Gude Gudesen
摘要： A hydropower system for generating and storing energy is disclosed. The system comprises an upper (1) and a lower (2) level reservoir, and an electromechanical system (12) arranged in the lower level reservoir and in hydraulic connection with the upper level reservoir. A related method generating and storing energy is also disclosed.
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公开(公告)号：US11168659B2
公开(公告)日：2021-11-09
申请号：US16643308
申请日：2018-08-30
申请人： Subsea 7 Norway AS
摘要： A subsea energy storage installation comprises a pumped-storage system having pumping and hydropower generation components for, selectively, converting electricity into potential energy by expelling water from within a tank into the surrounding sea and for generating electricity from an incoming flow of water re-entering the tank under hydrostatic pressure. The tank comprises at least one elongate rigid pipeline that may be lowered to the seabed as part of a towable unit or laid on the seabed as a pipe string launched from a surface vessel.
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公开(公告)号：US20210293217A1
公开(公告)日：2021-09-23
申请号：US17343332
申请日：2021-06-09
申请人： Carroll Hector, LLC
摘要： A pumped storage electricity generating system that includes a water feed line for introducing water into a pressure vessel. Water flow valves communicate with the pressure vessel to control introduction of water into the pressure vessel. A push plate is mounted for movement in the pressure vessel between opposed first and second winches adapted for reciprocating the push plate linearly between a first direction wherein water is drawn into the pressure vessel through the water flow valves and a second direction wherein water is conveyed downstream through the water discharge line under pressure to the hydroelectric turbine.
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公开(公告)号：US11066798B2
公开(公告)日：2021-07-20
申请号：US16896116
申请日：2020-06-08
发明人： Lucas Paczek , Graham Zell , Sam MacDonald , Peter Zell , Brett Robinson , David Halliday , Mauricio Rene Ponga de la Torre , Mohammad Amin Zakershobeiri , Simon Szoke
摘要： The present invention relates to a water intake structure according to a first aspect. The structure includes a plurality of elongate members. The elongate members couple together and are trapezoidal in lateral cross-section. There is also provided a water intake structure according to a second aspect. The structure includes a plurality of elongate members. The elongate members couple together. Each said elongate member has first and second exterior surfaces that are planar and a third exterior surface that is outwardly concave.
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