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1.
公开(公告)号:US12129359B2
公开(公告)日:2024-10-29
申请号:US17639814
申请日:2020-08-11
申请人: Innomotics GmbH
摘要: Various embodiments of the teachings herein include a cationic tape accelerator for use in a process for producing an insulation system by impregnation and/or encapsulation with an anhydride-free impregnating agent. The tape accelerator comprises an ionogenic compound of a sulfonium-containing cation and a hexafluoroantimonate anion.
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2.
公开(公告)号:US20240318032A1
公开(公告)日:2024-09-26
申请号:US18547236
申请日:2022-02-16
发明人: Marek Maleika , Steffen Lang
IPC分类号: C09D163/00 , C09D5/03 , C09D5/24 , C09D163/04 , H02K3/30 , H02K15/10
CPC分类号: C09D163/00 , C09D5/03 , C09D5/24 , C09D163/04 , H02K15/105 , H02K3/30
摘要: Various embodiments of the teachings herein include a powder coating or wet enamel for production of an insulation system of an electrical machine including a curable resin-resin or resin-hardener mixture in solid form as a powder coating formulation at room temperature or processed in a solvent to give a wet enamel. The mixture may include: a first hydrocarbon-based resin component with at least two epoxy groups; a second silicon-oxygen-based resin component with at least one hydroxyl functionality; and a hardener and/or an initiating catalyst. The first resin component is predominant by composition.
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公开(公告)号:US20240305155A1
公开(公告)日:2024-09-12
申请号:US18258433
申请日:2021-02-24
发明人: Emi TSUKAMOTO , Masahiro NIGO
CPC分类号: H02K3/345 , H02K1/16 , H02K3/30 , H02K2213/03
摘要: A motor includes: a rotor including a rotor core having an annular shape about an axis, and permanent magnets attached to the rotor core; and a stator including a stator core having a core back surrounding the rotor from outside in a radial direction about the axis, teeth extending toward the rotor from the core back, and slots adjacent to the teeth in a circumferential direction about the axis, insulating portions fixed to the teeth, and windings, each being wound around the tooth via the insulating portion and having a conductive body made of aluminum. A radius Dr of the rotor core, a radius Ds of the stator core, and an area S of the slot satisfy: 25 mm≤Dr≤30 mm, 0.47≤Dr/Ds≤0.56, and 0.089≤S/Dr2≤0.224.
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4.
公开(公告)号:US20240275246A1
公开(公告)日:2024-08-15
申请号:US18168292
申请日:2023-02-13
发明人: Mahdi Mohajeri , Mehrad Mehr , Bahram Jadidian
CPC分类号: H02K15/12 , H02K3/30 , H02K15/026 , H02K15/105
摘要: A method is provided. The method includes: forming a stator for a high-power density electric machine, the stator having a plurality of slots for receiving stator coils and having a back-iron; inserting the stator coils in the plurality of slots; and inserting a potting material in the plurality of slots of the stator, the potting material in thermal contact with adjacent stator coils and in thermal contact with the back-iron; wherein the potting material is formed by: mixing silicon carbide particles with a silicon carbide preceramic polymer to form a mixture; diluting the mixture with solvents to form a slurry; drying the slurry to form a paste; forming the paste into a shape; and firing the paste to form a ceramic material.
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公开(公告)号:US20240204583A1
公开(公告)日:2024-06-20
申请号:US18082088
申请日:2022-12-15
发明人: Chin Feng CHANG , Chih Meng CHU , Zhi Zheng WU , Chen Hui CHANG
摘要: A motor coil, which is a metal coil formed by a metal wire, the thickness of the metal wire is gradually decreased from the first end portion of the metal wire to the second end portion of the metal wire and any cross-sectional area of the metal wire is equal. The metal coil is a plural laminated layer of the metal wires forming a spiral shape along a surrounding direction. A motor stator comprises a stator core set having a plurality of teeth and the metal coil being sleeved on the outer surface of each stator core set, so that the first and the second end portion will face toward a motor core portion and outer portion respectively. The metal wire has a polymer layer on the outer surface, and an insulative coating is provided between the polymer layer and the metal wire.
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公开(公告)号:US11955855B2
公开(公告)日:2024-04-09
申请号:US17276372
申请日:2019-09-11
发明人: Tomooki Hasegawa
摘要: A motor includes a rotor, and a stator that generates a magnetic field to rotate the rotor. The stator includes a plurality of teeth, a plurality of winding wires including a winding portion wound around each of the plurality of teeth, a neutral wire provided on one end side of the winding portion, and a power wire provided on the other end side of the winding portion, and a plurality of neutral points at which a plurality of the neutral wires is electrically connected by connection terminals. The plurality of neutral wires includes a plurality of first fixation portions in which the plurality of neutral wires is fixed to each other in positions that are on a winding portion side compared to the plurality of neutral points, and a second fixation portion in which the plurality of neutral wires is fixed to each other from the plurality of first fixation portions to the plurality of neutral points.
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公开(公告)号:US11901786B2
公开(公告)日:2024-02-13
申请号:US17585604
申请日:2022-01-27
发明人: Thomas Hubert , Stefan Schmidt , Joerg Schneider
CPC分类号: H02K3/345 , H02K3/30 , H02K3/48 , H02K2213/03
摘要: A stator for an electric machine provided for purely electrically driving a motor vehicle is provided with a stator body forming stator grooves, a stator winding through which current can flow, which engages in the respective stator groove and axially protrudes from the stator groove, for forming an electromagnetic rotating field and an insulation paper, which is provided in the stator groove between the stator winding and the stator body, for electrically insulating the stator winding from the stator body, wherein the insulation paper protrudes from the stator groove, wherein the insulation paper is provided with an additional layer on the surface thereof for providing a higher creepage resistance compared to the surface of the insulation paper without the additional layer.
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公开(公告)号:US11901784B2
公开(公告)日:2024-02-13
申请号:US17273739
申请日:2018-10-11
发明人: Takahiro Mabuchi , Xiaohong Yin , Tsubasa Mori , Makoto Tsukiji
CPC分类号: H02K3/30 , H02K3/34 , H02K3/487 , H02K15/105 , H02K15/12
摘要: Provided is a stator coil, including: a coil conductor; a first insulating layer in which a first mica tape is wound and laminated around an outer periphery of the coil conductor; and a second insulating layer in which a second mica tape is wound and laminated around an outer periphery of the first insulating layer, wherein the first mica tape contains mica in a specific content, wherein 60 mass % or more of the mica contained in the first mica tape passes through a JIS standard sieve having a nominal opening of 250 μm, wherein the first mica tape has a specific lamination thickness, and wherein 40 mass % or less of mica contained in the second mica tape passes through the JIS standard sieve having a nominal opening of 250 μm.
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9.
公开(公告)号:US20240030758A1
公开(公告)日:2024-01-25
申请号:US18257155
申请日:2021-12-08
摘要: A stator core for receiving a stator winding and slot linings. A respective slot lining has a first end extending along an axial direction, a second end situated opposite the first end and extending along the axial direction, a first end section extending from the first end toward the second end, and a second end section extending from the second end toward the first end and is overlapped by the first end section on an outer side of the respective slot lining. A multiplicity of slots are arranged in the circumferential direction is formed in the stator core, a respective slot having a first slot wall which delimits the slot in the circumferential direction, a second slot wall which is situated opposite the first slot wall and delimits the slot in the circumferential direction, and a slot base which delimits the slot in the radial direction.
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公开(公告)号:US11848590B1
公开(公告)日:2023-12-19
申请号:US17150763
申请日:2021-01-15
申请人: Kencoil, Inc.
发明人: Eran Rosenszweig
CPC分类号: H02K15/105 , H02K3/30 , H02K3/34 , H02K3/40 , Y10T29/49009
摘要: Electric coils and a method of insulating electric coils comprises copper wire with insulation, turn tape (e.g., B stage), film tape, and armor tape. In a preferred embodiment, the tape is hot-pressed after application of the B stage turn tape and again just prior to the application of the armor tape.
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