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公开(公告)号：US20240352830A1
公开(公告)日：2024-10-24
申请号：US18305884
申请日：2023-04-24
CPC分类号： E21B41/0085 , H02K7/20
摘要： An apparatus configured to be positioned on a tubular string in a wellbore formed in a subsurface formation. The apparatus comprises a generator assembly disposed on the tubular string and configured to output power to a downhole tool. The generator assembly includes a first generator configured to output a first power to the downhole tool. The generator includes a second generator configured to function as an exciter for the first generator.
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公开(公告)号：US11884416B2
公开(公告)日：2024-01-30
申请号：US18161335
申请日：2023-01-30
CPC分类号： B64D41/00 , F02C7/32 , H02K3/00 , H02K7/1823 , H02K7/20 , H02K11/049 , H02K11/27 , B64D2221/00 , F05D2220/762
摘要： An electric generator assembly for an aircraft is provided. The electric generator assembly includes: a main generator having a main rotor and a main stator, the main stator includes a first three-phase winding and a second three-phase winding, the first and second three-phase windings each configured to have a voltage induced therein by the main rotor, the first three-phase winding defining a phase shift from the second three-phase winding greater than zero degrees.
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公开(公告)号：US20230166859A1
公开(公告)日：2023-06-01
申请号：US18161335
申请日：2023-01-30
CPC分类号： B64D41/00 , H02K11/27 , F02C7/32 , H02K3/00 , H02K7/1823 , H02K7/20 , H02K11/049 , B64D2221/00 , F05D2220/762
摘要： An electric generator assembly for an aircraft is provided. The electric generator assembly includes: a main generator having a main rotor and a main stator, the main stator includes a first three-phase winding and a second three-phase winding, the first and second three-phase windings each configured to have a voltage induced therein by the main rotor, the first three-phase winding defining a phase shift from the second three-phase winding greater than zero degrees.
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公开(公告)号：US11565824B2
公开(公告)日：2023-01-31
申请号：US16843243
申请日：2020-04-08
摘要： An electric generator assembly for an aircraft is provided. The electric generator assembly includes: a main generator having a main rotor and a main stator, the main stator includes a first three-phase winding and a second three-phase winding, the first and second three-phase windings each configured to have a voltage induced therein by the main rotor, the first three-phase winding defining a phase shift from the second three-phase winding greater than zero degrees.
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公开(公告)号：US20220337184A1
公开(公告)日：2022-10-20
申请号：US17642522
申请日：2020-08-14
申请人： Hitachi Astemo, Ltd.
摘要： An object of the present invention is to provide a winding switching device capable of enhancing the reliability of electrical contact between a movable unit and a fixed unit, and a rotating electrical machine drive system including such a winding switching device. A winding switching device switches a connection state of a plurality of windings, and includes a plurality of electrodes to which the plurality of windings are connected; a movable unit that includes a plurality of conductor portions in contact with the plurality of electrodes, and that is driven in a predetermined direction in which the plurality of electrodes are arranged; and a fixed unit including a regulating portion that regulates movement of the movable unit in the predetermined direction; where the connection states of the plurality of windings are switched according to the position of the movable unit; and when the movable unit moves in the predetermined direction, the plurality of conductors are displaced in a direction of moving away from the plurality of electrodes by the regulating portion.
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公开(公告)号：US11476747B2
公开(公告)日：2022-10-18
申请号：US16455853
申请日：2019-06-28
申请人： TELMA
摘要： Disclosed is an electromagnetic retarder and generator assembly, the assembly including a rotor, a retarder armature carried by the rotor, a generator inductor carried by the rotor, a stator including a sleeve having one outer axial surface and one inner axial surface, a retarder inductor arranged on the outer axial surface of the stator and a generator armature arranged on the inner axial surface of the stator. The sleeve includes several bodies of nonmagnetic material arranged between the inductor of the retarder and the armature of the generator.
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公开(公告)号：US11421646B1
公开(公告)日：2022-08-23
申请号：US17342357
申请日：2021-06-08
申请人： Jen-Che Hung
发明人： Jen-Che Hung
摘要： A sea wave power generating apparatus comprises a frame, a platform secured on an upper portion of the frame, a floating panel pivotally secured to the frame and flapping upwardly or downwardly by the oscillation of the sea waves, a level controlling device slidably held on the platform for raising or lowering the floating panel to be normally submerged under a sea water level, and a power generating device mounted on the platform and having a rack pivotally secured to a rear portion of the floating panel and engaged with a pinion of the power generating device for converting the kinetic energy due to the upward or downward flapping movements of the floating panel into electrical energy.
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公开(公告)号：US11225984B2
公开(公告)日：2022-01-18
申请号：US15313791
申请日：2015-05-27
IPC分类号： F15B15/08 , F15B15/14 , F15B21/08 , H02K33/16 , H02K41/03 , H02K7/20 , B25J19/00 , B25J11/00 , A61F2/70 , A61H3/00 , B25J9/00 , F15B15/12 , F15B15/20 , H02K41/035
摘要： [Object] To provide a compact, high-output actuator device allowing force control.
[Solution] An actuator device 1000 includes an electromagnetic coil member 110 provided over a prescribed width on an outer circumference of a cylinder 100, and a movable element 200 slidable as a piston in the cylinder 100. The movable element 200 has a magnetic member 202, and is moved relatively by excitation of the electromagnetic coil member 110. Fluid is supplied to first and second chambers 106a and 106b such that when the movable element 200 is to be moved relatively, the movable element 200 is driven in the same direction.-
公开(公告)号：US20210359587A1
公开(公告)日：2021-11-18
申请号：US16979536
申请日：2020-02-27
申请人： SOUTHEAST UNIVERSITY
发明人： Wei HUA , Peixin WANG , Gan ZHANG , Baoan WANG , Ming CHENG
摘要： A coaxial double-rotor variable-speed electromagnetic drive includes an external rotor, an end cover, a load shaft, a stator, and an internal rotor, the external rotor, the load shaft, the stator, and the internal rotor being coaxially arranged. The end cover includes a first end cover and a second end cover that are respectively disposed at two ends of the drive, the external rotor is slidably connected to the two end covers separately by bearings, the load shaft is slidably connected to the first end cover and the inner side of the external rotor separately by bearings, the stator is fixed on the inner side of the first end cover and disposed inside the external rotor, air gaps are kept separately between the stator and the internal rotor and between the stator and the external rotor, the internal rotor is sleeved on the load shaft and is disposed inside the stator.
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公开(公告)号：US11075514B2
公开(公告)日：2021-07-27
申请号：US16710612
申请日：2019-12-11
发明人： Jalpa Shah , Meng Wang , Damrongrit Piyabongkarn
IPC分类号： H02P29/68 , H02M7/00 , H02K7/20 , B60K6/22 , H02H7/085 , H01H71/32 , H02H1/00 , H01H89/00 , H05K7/20
摘要： A multi-port power converter including a housing including a plurality of ports structured to electrically interface to a plurality of loads; a plurality of solid-state components configured to provide selected electrical power outputs and to accept selected electrical power inputs; a plurality of solid-state switches configured to provide selected connectivity between the plurality of solid-state components and the plurality of ports; and a controller, the controller including: a component bank configuration circuit structured to interpret a port electrical interface description of the multi-port power converter from an external tool communicatively coupled to the controller, the port electrical interface description comprising a description of at least a portion of distinct electrical characteristics; and a component bank implementation circuit structured to provide solid switch states in response to the port electrical interface description, and wherein the plurality of solid-state switches are responsive to the solid switch states.
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