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公开(公告)号：US20240348110A1
公开(公告)日：2024-10-17
申请号：US18683333
申请日：2022-08-19
CPC分类号： H02K1/148 , H02K3/345 , H02K2213/09
摘要： A stator includes a plurality of composing split cores, an insulator that is attached to each of the split cores, a coil conductor wire that has a wound portion wound around the split cores via the insulator and a bridging portion drawn out from the wound portion, and a regulating member that regulates movement of the coil conductor wire. The insulator has an accommodating portion that accommodates the bridging portion, the accommodating portion has a first surface and a second surface that form mutually facing surfaces and opening portions that communicate with each other and are formed in each of the first surface and the second surface. The regulating member is configured of a bendable member and is inserted through the opening portion formed in the first surface and the opening portion formed in the second surface and is wound around the bridging portion accommodated in the accommodating portion.
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公开(公告)号：US20240348109A1
公开(公告)日：2024-10-17
申请号：US18573242
申请日：2022-06-24
申请人： RENAULT S.A.S. , WHYLOT
发明人： Nicolas MARCHAL
CPC分类号： H02K1/148 , H02K15/022 , H02K21/24
摘要： A stator body for an electric machine, including: —at least one fixing support centered on a longitudinal axis, —teeth which are designed to accept coils of electrically conducting wire and which are uniformly distributed about the longitudinal axis, and—fixing means each suitable for fixing one of the teeth to the fixing support. Each fixing means includes: —at least one first key at least partially housed in a first keyway provided in the tooth, —at least one second key at least partially housed in a second keyway provided in the fixing support, and—at least one immobilizing element designed to immobilize the first key with respect to the second key.
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公开(公告)号：US20240339899A1
公开(公告)日：2024-10-10
申请号：US18399802
申请日：2023-12-29
发明人： Chunjiang Li , Bing Xie , Liang Jiang
IPC分类号： H02K15/02 , H02K1/14 , H02K15/085 , H02K15/12
CPC分类号： H02K15/026 , H02K1/148 , H02K15/085 , H02K15/12
摘要： The disclosure discloses method that includes: step S1: manufacturing strip-shaped iron core; step S2: performing wire-winding around the wire-winding bodies with center line as axis to form stator winding; step S3: rolling strip-shaped iron core, on which winding has been performed through step S2, into outer ring with tooth portions as periphery, and connecting arc-shaped surfaces of all yoke portions to form inner ring, so that strip-shaped iron core has ring-shaped structure; step S4: machining tooth portions and yoke portions of strip-shaped iron core respectively, so that joints after strip-shaped iron core is rolled into circle are fixed to form stator iron core with integrated structure. The disclosure discloses outer rotor motor using the method. Compared with related art, by use of technical solutions of the disclosure, coils can be effectively wound neatly in wire slot, with high slot filling rate, simple process, and easy manufacturing.
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公开(公告)号：US20240322617A1
公开(公告)日：2024-09-26
申请号：US18262750
申请日：2021-03-18
IPC分类号： H02K1/14
CPC分类号： H02K1/148
摘要： An electric motor includes: a rotor main body supported by a rotary shaft; and a stator. The stator includes: a stator core including a first end surface that is an end surface in an axial direction of the rotary shaft and a second end surface that is another end surface in the axial direction; and a magnetic flux capture member disposed on a core end surface that is at least one of the first end surface or the second end surface. The magnetic flux capture member is made of magnetic material to capture magnetic flux from the rotor main body. The magnetic flux capture member includes at least one of a bent part protruding in a direction away from the rotor main body or a curved part having a concave surface facing inward in a radial direction of the stator.
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公开(公告)号：US20240305147A1
公开(公告)日：2024-09-12
申请号：US18041240
申请日：2021-12-24
发明人： Ran AN , Tingke SONG , Kun ZENG , Chuneng CAO , Juncai PENG
摘要： The present disclosure discloses a stator assembly. The stator assembly comprises: a stator core comprising a plurality of stator teeth, and any two adjacent ones of the plurality of stator teeth are provided with a stator slot therebetween; and a stator winding formed by a wire wound on the stator teeth, the stator winding being received in the stator slots. A cross section of the stator winding in a winding direction of the wire is a plurality of wires having orthohexagonal shapes, and any two adjacent ones of wires closely fit each other.
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公开(公告)号：US12062957B2
公开(公告)日：2024-08-13
申请号：US17580794
申请日：2022-01-21
申请人： YASA Limited
发明人： Tom Hillman , Richard Phillips , Tim Woolmer
IPC分类号： H02K1/14 , H02K1/18 , H02K1/2798 , H02K21/24 , H02K29/03
CPC分类号： H02K29/03 , H02K1/148 , H02K1/182 , H02K21/24 , H02K1/2798
摘要： Various implementations include an axial flux machine including a rotor bearing a set of permanent magnets and a stator containing electro-magnetic coil assemblies disposed circumferentially at intervals about an axis. Each coil assembly has an axially extending stator tooth, one or more coils wound around the tooth, and one or more end shoes at an end of the stator tooth. The end shoes each have at least one circumferential edge adjacent a neighbouring coil assembly. In some implementations, radially innermost and outermost portions of the at least one circumferential edge are separated by a step projecting from the at least one circumferential edge. In some implementations, at least part of the at least one circumferential edge has a thickness less than a thickness of the inner radial edge thereby reducing a leakage flux between neighbouring electro-magnetic coil assemblies.
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公开(公告)号：US12046962B2
公开(公告)日：2024-07-23
申请号：US18027693
申请日：2021-09-01
申请人： MARSILLI S.p.A.
发明人： Gian Battista Parati
CPC分类号： H02K15/024 , H02K1/148 , H02K3/487 , H02K15/045 , H02K15/085 , H02K15/12
摘要： A method, a processing line and components of the processing line for making a stator for electric motors, and the resultant stator. The conducting wire is wound in coils having at least one straight portion which is inserted into a corresponding stator sector. The sector is thus deformed to move its teeth close to each other and to close the straight portion of the coil. Multiple stator sectors so made are assembled together to form a stator complete with windings. During the production of stator sectors, the coils and/or stator sectors are rototranslated to bring them to the final position they must take inside the finished stator. Measures are provided to maximize the filling factor, to minimize torque ripple phenomena, to minimize noise and the vibrations of the electric motor achieved with the stator, and to maximize its performance, under other equal conditions.
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公开(公告)号：US12046948B2
公开(公告)日：2024-07-23
申请号：US17426502
申请日：2020-01-28
申请人： Flender GmbH
发明人： Attila Koeszegi , Andreas Lindmeier , Dominik Ratzisberger , Franz Xaver Michael Schober , Christoph Schwarzbauer , Lei Yue
CPC分类号： H02K1/148 , H02K1/187 , H02K7/1838
摘要： A stator of a directly driven wind turbine generator includes a stator support, and stator segments arranged around a circumference and positioned on flanges of the stator support. Each stator segment includes a segment support having a cavity. Securing devices secure the stator segments via the segment supports to the flanges of the stator support. The securing devices have each an intermediate piece to complement the cavity of a corresponding one of the segment supports, and an alignment pin to secure the intermediate piece in position and to adjust an air gap of the wind turbine generator.
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公开(公告)号：US12040658B2
公开(公告)日：2024-07-16
申请号：US17626524
申请日：2020-07-13
申请人： Nidec Corporation
发明人： Shigeru Maeda , Ryoma Sasaki
CPC分类号： H02K1/148 , H02K1/16 , H02K15/024
摘要： A motor armature includes a laminated body including a stack of magnetic bodies each having an annular and plate shape, an extended body that opposes an opposing peripheral surface that is at least one of an inner peripheral surface and an outer peripheral surface of the laminated body and extends along a stacking direction of the magnetic bodies, and a holder stacked on the laminated body in the stacking direction to hold the laminated body. The holder includes a plate portion that extends along the laminated body and has higher rigidity than the magnetic bodies, and a sleeve portion that extends in contact with the extended body.
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公开(公告)号：US20240235295A1
公开(公告)日：2024-07-11
申请号：US18610171
申请日：2024-03-19
申请人： Linear Labs, Inc.
发明人： Fred E. Hunstable
CPC分类号： H02K1/278 , H02K1/02 , H02K1/2773 , H02K3/12 , H02K21/24 , H02K1/148 , H02K1/17 , H02K3/04 , H02K2213/03
摘要： Disclosed are various embodiments for a new and improved multi-tunnel motor and controller for an electric motor, where the motor controller is able to dynamically modify the number of phases and pole count of the electric machine in order to reduce the torque output and increase speed.
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