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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
Inventor： Yuichi Yoshikawa , Keiichiro Nukada , Hirokazu Yamauchi , Mitsuoki Hishida
IPC: H02K15/04 , B21D22/02 , B22D25/02 , H02K1/14 , H02K1/27 , H02K3/26 , H02K3/52 , H02K15/00 , H02K21/16
Abstract: 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：US12119723B2
公开(公告)日：2024-10-15
申请号：US17757225
申请日：2020-10-20
Inventor： Yuya Maeda , Yasuaki Matsushita , Hirokazu Yamauchi
CPC classification number: H02K3/522 , H02K21/16 , H02K2203/09
Abstract: A bus bar guide is provided to fix bus bars that connect a plurality of coils disposed in a motor. The bus bar includes a conductor that has a plate shape and has a first surface and a second surface continuous with the first surface. The bus bar guide is configured by annularly arranging a plurality of bus bar guide pieces each including an insulator. Each of the plurality of bus bar guide pieces is provided with a groove that holds the first surface of the bus bar and positions the bus bar.
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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
Inventor： Yuichi Yoshikawa , Keiichiro Nukada , Hirokazu Yamauchi , Mitsuoki Hishida , Yasushi Kato
Abstract: 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：US11190073B2
公开(公告)日：2021-11-30
申请号：US16483057
申请日：2017-12-20
Inventor： Mitsuoki Hishida , Yuichi Yoshikawa , Hirokazu Yamauchi , Keiichiro Nukada
Abstract: 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
Inventor： Yasushi Kato , Yuichi Yoshikawa , Hirokazu Yamauchi , Keiichiro Nukada , Mitsuoki Hishida
Abstract: 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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Patent Agency Ranking
公开(公告)号：US10965198B2
公开(公告)日：2021-03-30
申请号：US16603317
申请日：2018-01-29
Inventor： Mitsuoki Hishida , Yuichi Yoshikawa , Hirokazu Yamauchi , Keiichiro Nukada
Abstract: A coil includes a series of turns constituted by a first turn to an n-th turn of a conductive wire having a quadrangular cross-section, where the conductive wire is wound in a spiral shape and is stacked in a vertical direction, and n is an integer equal to or greater than 3. In addition, at least a part of the conductive wire of the first turn to the n-th turn is provided with a deformed part whose shape is different from shapes of the other parts. Further, the first turn and the n-th turn are on the both end parts of the series of turns. In addition, at each of the first turn and the n-th turn, the deformed part makes an outer surface positioned on an opposite side with respect to a center of the series of turns extend in a flush manner along a plane intersecting the series of turns.
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公开(公告)号：US10938263B2
公开(公告)日：2021-03-02
申请号：US16475723
申请日：2017-11-02
Inventor： Mitsuoki Hishida , Hirokazu Yamauchi , Yuichi Yoshikawa , Keiichiro Nukada
Abstract: The invention provides a connection structure between a coil and a bus bar attached to a stator of a motor, and the coil and the bus bar each include a lead part. At least one of the lead parts has a distal end provided with a corner cut away to be stepped to configure a stepped portion having a side surface extending substantially in parallel with a longitudinal direction of the lead part. The coil and the bus bar are connected to each other in a state where the side surface of the stepped portion of a first one of the lead parts is in contact with a second one of the lead parts.
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公开(公告)号：US12212198B2
公开(公告)日：2025-01-28
申请号：US17757714
申请日：2020-12-03
Inventor： Hirokazu Yamauchi , Yasuaki Matsushita , Keiichiro Nukada
Abstract: Provided is a coil including first and second lead parts, and a winding part. The winding part includes first to n-th turns. The winding part includes first and second coil ends. The first lead part extends from the first turn to the n-th turn along an upper surface of the first coil end. The second lead part extends from the n-th turn. The first and second lead parts include respective ends that are equal in height from the upper surface of the first coil end when viewed from a radial direction, and are equidistant from the n-th turn when viewed from an axial direction.
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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
Inventor： Mitsuoki Hishida , Yuichi Yoshikawa , Hirokazu Yamauchi , Keiichiro Nukada
Abstract: 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
Inventor： Yuichi Yoshikawa , Keiichiro Nukada , Yasushi Kato , Hirokazu Yamauchi , Mitsuoki Hishida
Abstract: 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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