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公开(公告)号：US12095325B2
公开(公告)日：2024-09-17
申请号：US17273223
申请日：2019-09-03
发明人： Keiichiro Nukada , Toshiyuki Tamamura , Yuya Maeda
摘要： A stator includes a yoke, teeth connected to the yoke, and coils including plate-shaped conductive wire and mounted on respective teeth. Each coil includes a wound part, a first and second terminals. The wound part is wound around the tooth n turns (n is an integer equal to or greater than 2). The wound part satisfies a relationship represented by Ak
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公开(公告)号：US11223260B2
公开(公告)日：2022-01-11
申请号：US16475727
申请日：2017-11-02
IPC分类号： H02K15/04 , B21D22/02 , B22D25/02 , H02K1/14 , H02K1/27 , H02K3/26 , H02K3/52 , H02K15/00 , H02K21/16
摘要： The invention provides a coil molding attached to a stator of a motor, the coil molding including a coil wound around each of teeth of the stator, and a bus bar connected to the coil and molded integrally with the coil. The invention also provides another coil molding attached to a stator of a motor, the coil molding including a set of coils wound respectively around a plurality of teeth of the stator, the set of coils being molded integrally with each other.
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公开(公告)号：US11489387B2
公开(公告)日：2022-11-01
申请号：US16500411
申请日：2018-03-28
摘要： A coil includes: a series of turns constituted by a first turn to an n-th turn of a conductive wire having a polygonal cross-section, where n is an integer equal to or larger than 3, and the conductive wire is wound in a spiral shape and is stacked in a direction from downward toward upward; and an insulating member disposed on either an upper surface or a lower surface of an i-th turn, where i is an integer satisfying 1≤i≤n.
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公开(公告)号：US10992198B2
公开(公告)日：2021-04-27
申请号：US16476332
申请日：2017-11-07
摘要： A motor includes a stator including a stator core and teeth respectively protruding from the stator core, and coils respectively wound onto the teeth n (n is an integer of 3 or greater) turns. In a cross section in a first direction representing each of directions of protrusion of the teeth from the stator core, a k-th (k is an integer, 1
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公开(公告)号：US11196312B2
公开(公告)日：2021-12-07
申请号：US16483054
申请日：2018-02-09
摘要： A motor includes a stator including a stator core and teeth respectively protruding from the stator core in predetermined directions of protrusion, and coils respectively wound onto the teeth n (n is an integer of 3 or greater) turns including first to n-th turns. A k-th (k is an integer, 1
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公开(公告)号：US11174010B2
公开(公告)日：2021-11-16
申请号：US16341941
申请日：2017-10-13
发明人： Shinichi Tsutsumi , Yuichi Yoshikawa , Sho Koyama , Keiichiro Nukada , Hiroshi Ueda , Yuki Nakade
摘要： A flying device includes a plurality of rotary vanes, a motor element serving as a driving source for each of the plurality of rotary vanes, the motor element driving and rotating a main shaft of the rotary vanes, and a drive circuit. The motor element includes a stator, a rotor, and a pair of bearings. The stator includes a stator core having an annular yoke and a plurality of teeth projecting inward from the annular yoke, and stator windings wound respectively around the plurality of teeth of the stator core. The rotor includes a permanent magnet of a cylindrical shape located inside the stator core via a gap, the permanent magnet being positioned counter to the plurality of teeth, a rotor yoke in contact with a cylindrical inner wall surface of the permanent magnet, and a shaft pivotally supported at an axis of the rotor yoke, the shaft being connected to the main shaft. The pair of bearings pivotally support the shaft to allow the shaft to rotate freely, and are located respectively on both sides of a direction of a rotating shaft of the rotor. The permanent magnet has anisotropically arranged magnetic poles, and a number of the magnetic poles is P representing an even number. The permanent magnet is configured such that the rotor yoke is smaller in weight than the permanent magnet. The drive circuit controls a stator current supplied to the stator windings.
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公开(公告)号：US20210249924A1
公开(公告)日：2021-08-12
申请号：US17056268
申请日：2019-08-30
摘要： A motor includes a stator and a rotor at a predetermined distance from the stator. The stator includes an annular yoke, a plurality of teeth connected to the inner circumference of the yoke, and a plurality of coils each wound around an associated one of the teeth. Each coil has coil ends at both ends in an axial direction. At least one of the coil ends has, in an end surface thereof in the axial direction, a first recess extending along the radius of the stator. The first recess houses a first wiring member connecting the coils together.
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公开(公告)号：US12095323B2
公开(公告)日：2024-09-17
申请号：US17056268
申请日：2019-08-30
摘要： A motor includes a stator and a rotor at a predetermined distance from the stator. The stator includes an annular yoke, a plurality of teeth connected to the inner circumference of the yoke, and a plurality of coils each wound around an associated one of the teeth. Each coil has coil ends at both ends in an axial direction. At least one of the coil ends has, in an end surface thereof in the axial direction, a first recess extending along the radius of the stator. The first recess houses a first wiring member connecting the coils together.
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公开(公告)号：US11190073B2
公开(公告)日：2021-11-30
申请号：US16483057
申请日：2017-12-20
摘要： A motor includes a stator including a stator core and teeth respectively protruding from the stator core, and coils respectively wound onto the teeth n (n is an integer of 1 or greater) turns including first to n-th turns. The coils are each made from a conductive member having a polygonal cross section. On a cross section obtained when one of the coils is cut in a corresponding one of directions of protrusion of the teeth from the stator core, the one of the coils includes a recess on at least either a first opposing surface representing an opposing surface to a corresponding one of the teeth or a second opposing surface representing an opposing surface to another one of the coils, which is wound onto adjacent one of the teeth. A space allowing refrigerant used for cooling the coils to pass through is provided between the recess and at least either the first opposing surface or the second opposing surface.
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公开(公告)号：US11070103B2
公开(公告)日：2021-07-20
申请号：US16483050
申请日：2017-12-20
摘要： A motor includes a stator core, teeth respectively protruding from the stator core, and coils respectively wound onto the teeth n (n is an integer of 2 or greater) turns including first to n-th turns. Within each of ranges respectively wound with the coils onto the teeth in directions of protrusion of the teeth from the stator core, the first turn of each of the coil lies adjacent to a center of the motor. A k-th (k is an integer, 1
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