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公开(公告)号：US12040674B2
公开(公告)日：2024-07-16
申请号：US17375357
申请日：2021-07-14
发明人： Seong Jun Hwang , Yeong Woo Seo , Hye Seong Yang
CPC分类号： H02K3/522 , H02K5/225 , H02K2203/09
摘要： A busbar assembly, which is electrically connected to a motor comprising a stator around which coils are wound, includes: a terminal part including terminal members each including terminal grooves configured to accommodate the coils such that the coils are electrically connected to the terminal grooves; and a holder configured to support the terminal part.
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公开(公告)号：US20240235334A1
公开(公告)日：2024-07-11
申请号：US18561550
申请日：2021-05-17
发明人： Shunta SUGANO , Toru NAKADA , Kohei MUROTA , Tatsuya IMAI , Masanobu ABE , Masahide KIMURA
CPC分类号： H02K11/25 , H02K3/50 , H02K15/12 , H02K2203/09
摘要： A rotating electrical machine includes: a three-phase coil including a U-phase coil, a V-phase coil, and a W-phase coil each formed of a flat wire; a neutral point bus bar forming a neutral point of the three-phase coil and formed of a conductive plate; and a temperature detector configured to detect a temperature of the three-phase coil. The neutral point bus bar is formed in an arc shape along an outer periphery of the three-phase coil. One end of one coil in the three-phase coil is connected to a vicinity of a center of the neutral point bus bar in a circumferential direction thereof. One end of each of remaining two coils in the three-phase coil is connected to a vicinity of an end of the neutral point bus bar in the circumferential direction.
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公开(公告)号：US20240223040A1
公开(公告)日：2024-07-04
申请号：US18396582
申请日：2023-12-26
CPC分类号： H02K3/50 , H02K1/18 , H02K2203/03
摘要： This disclosure includes: a motor part having a rotor rotatable about a central axis and a stator facing the rotor in a radial direction with a gap therebetween; a circuit board arranged on an axial one side of the motor part; a connection terminal arranged between the stator and the circuit board in an axial direction; and a motor housing having a cylindrical shape that extends in the axial direction and accommodating the motor part. The stator includes an annular stator core; a coil having multiple coil bodies attached to the stator core; and an insulator arranged between the stator core and the coil. The connection terminal electrically connects the coil and the circuit board. The motor includes a terminal holder, which holds the connection terminal and is mounted on either the stator or the motor housing and moveable in a circumferential direction.
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公开(公告)号：US20240204603A1
公开(公告)日：2024-06-20
申请号：US18591339
申请日：2024-02-29
摘要： Described herein are fractional-slot-winding motors and electric vehicles using such fractional-slot-winding motors. In some examples, a fractional-slot-winding motor comprises a stator, a bus-bar assembly, and a plurality of coil units. The stator comprises a plurality of stator slots (e.g., 63 slots) extending through the core and radially offset relative to each other. Each dual-leg coil unit extends through two different stator slots and is electrically coupled to two other coil units on the coil-interconnection side of the rotor. Each single-leg coil unit extends through one coil slot and is electrically coupled to one other coil unit on the coil-interconnection side. At least some single-leg coil units can be coupled to a bus-bar assembly. Furthermore, the ends of the coil unit can have radial offsets relative to protruding portions, e.g., closer to the motor primary axis at the coil-interconnection side and further away on the opposite side.
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公开(公告)号：US20240186858A1
公开(公告)日：2024-06-06
申请号：US18285577
申请日：2022-03-28
摘要： An additively manufactured air gap winding for an electrical machine is provided. The air-gap winding includes a hollow cylindrical main portion having a geometric axis, the main portion defining an active winding length of the winding, and electrical winding conductors of the winding extending in the main portion from a first axial end of the winding to a second axial end. The air gap winding further comprises a first winding head at the first axial end and a second winding head at the second axial end, wherein winding head connections of the winding conductors extend in the winding heads. The winding heads project radially inwardly and/or outwardly beyond the hollow cylindrical main section. The winding head connections extend at least in sections at different distances from the axis in such a way that one winding head connection at least partially radially surrounds the other winding head connection.
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公开(公告)号：US20240162789A1
公开(公告)日：2024-05-16
申请号：US18510334
申请日：2023-11-15
发明人： Matthias Selig , Kevin Heimburger , Tobias Andersch , Benjamin Brose , Markus Eißner , Tobias Eichermüller
CPC分类号： H02K11/27 , G01R15/202 , G01R19/0092 , H02K3/50 , B60L50/00
摘要： A sensor assembly for the determination of an electric current which flows through an electric drive machine of a motor vehicle comprises a busbar through which the electric current flows, and a first and a second magnetic field sensor for determining magnetic fields in the region of the busbar, wherein the magnetic field sensors are attached so that they are spaced apart from one another in a direction perpendicular to the direction of extent of the busbar.
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公开(公告)号：US20240146158A1
公开(公告)日：2024-05-02
申请号：US18374750
申请日：2023-09-29
申请人： WILO SE
发明人： Daniel HOEKE , Oliver DRUBEL , Henry KOHLER , Roland Edmund UMMELMANN , Heiko DOEHLER , Heiko UNGER , Volker NETSCH , Michael MEIER-WAGNER , Martin VOGT
CPC分类号： H02K15/0043 , H02K3/50 , F04D13/10
摘要： Provided are a method and a tool for manufacturing a coil assembly of an electric motor for a deep well vertical turbine pump with a stator assembly that has a stator bore to receive a rotor and slots radially open to the inside which are respectively separated from each other by a stator tooth and in which electrical conductors of coils of the coil assembly lie, forming distributed windings and, at one axial end of the coil assembly, a winding head. The coil assembly is manufactured by shaping and encapsulating the coils within the tool so that the winding head extends only between an inner diameter and an outer diameter that is smaller than the diameter of the stator bore in order to enable axial insertion of the coil assembly into the stator assembly leading with the winding head in which the coils are respectively wound individually, drawn into the tool as wire bundles and encapsulated within it.
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公开(公告)号：US11967873B2
公开(公告)日：2024-04-23
申请号：US18312885
申请日：2023-05-05
发明人： James Dameron , Evan Filter , Phillip Weicker , Charles Garmel
CPC分类号： H02K3/50 , H02K3/28 , H02K3/52 , H02K1/145 , H02K1/16 , H02K3/345 , H02K3/46 , H02K3/522 , H02K2213/03
摘要： A fractional slot electric motor includes a stator core having a first side, a second side, and stator slots extending between the first and second sides. The fractional slot electric motor also includes a coil having a plurality of coil elements, where each coil element extends through at least one of the stator slots. Each coil element is coupled to at least one other coil element along the first side of the stator core. A first subset of the coil elements includes coil elements coupled to each other along the second side of the stator core. A second subset of the coil elements includes loop coil elements, where each loop coil element extends from one of the stator slots to another of the stator slots along the second side of the stator core without being connected to other coil elements along the second side of the stator core.
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公开(公告)号：US11955859B2
公开(公告)日：2024-04-09
申请号：US17101619
申请日：2020-11-23
发明人： Yeong Woo Seo , Jong Bin Park , Jung Kyu Yim
IPC分类号： H02K3/50
CPC分类号： H02K3/50 , H02K2203/09
摘要： The present disclosure relates to a busbar unit for a motor, the busbar unit including: a first terminal; a second terminal provided to be spaced apart from the first terminal in a first direction; a third terminal stacked on the first terminal in a second direction perpendicular to the first direction; a fourth terminal stacked on the second terminal in the second direction; and a holder configured to support the first terminal, the second terminal, the third terminal, and the fourth terminal, thereby obtaining an advantageous effect of simplifying a structure and improving a degree of design freedom and spatial utilization.
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公开(公告)号：US11942853B2
公开(公告)日：2024-03-26
申请号：US17060727
申请日：2020-10-01
发明人： Stanley Simpson , Joseph Suriano
CPC分类号： H02K5/225 , H01R13/04 , H02K3/50 , H02K5/15 , H02K11/0141 , H02K15/0062 , H02K15/14 , H01R2201/10 , H02K2203/09
摘要： An electric motor including a housing, a busbar, an end plate, and a contact adapter. The housing may include a shield that may define an aperture. The busbar may extend from a stator towards the aperture and the busbar may be disposed within the housing. The contact adapter may include a base member, a contact member, and a protrusion. The contact member may extend from the base member and contact the busbar. The protrusion may extend from the base member and the protrusion may be sandwiched between the shield and the end plate.
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