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公开(公告)号：US11804749B2
公开(公告)日：2023-10-31
申请号：US17591344
申请日：2022-02-02
CPC分类号： H02K3/50 , H02K3/52 , H02K5/225 , H02K2203/09
摘要： A stator of the present disclosure includes a stator core, a stator coil wound around the stator core, and a busbar module electrically connected to the stator coil and fixed to a coil end portion formed on one end side of the stator core. The busbar module includes a module body that holds a conductive member, a hole that penetrates the module body, and a bridge portion that extends from a part of the inner peripheral surface of the hole to another part of the inner peripheral surface so as to divide an inside of the hole into a plurality of opening regions and is fixed to the coil end portion with an adhesive introduced into the hole and cured therein. In the stator, the busbar module is fixed more firmly to the coil end formed on one end side of the stator core with the adhesive.
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公开(公告)号：US20230369951A1
公开(公告)日：2023-11-16
申请号：US18305439
申请日：2023-04-24
发明人： Hiroaki URANO , Akihide Shimmei , Akihide Takehara
CPC分类号： H02K15/0081 , H05B6/101
摘要： To reduce the power supply voltage during induction heating using a coil provided in a stator core. A method for manufacturing a stator according to one aspect of the present disclosure includes: disposing a three-phase coil in an annular stator core; and making a three-phase alternating current pass through the three-phase coil, thereby inductively heating the stator core. Capacitors are respectively provided between a power supply configured to supply the three-phase alternating current to ends of the three-phase coil and each one of the ends of coils of respective phases in the three-phase coil, whereby a circuit comprising the three-phase coil serves as a resonant circuit when the three-phase alternating current is made to pass through the three-phase coil.
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公开(公告)号：US11545859B2
公开(公告)日：2023-01-03
申请号：US17242819
申请日：2021-04-28
发明人： Yukio Tsuchiya , Akihide Takehara , Toshihiro Takei , So Akimori
摘要： A step of inserting an insulating paper into a slot of a stator core (second step) is performed, a step of placing a jig at a position that is on a side opposite to a side from which a segment coil is inserted into the slot of the stator core and that overlaps with a protrusion when viewed in an inserting direction of the segment coil (third step) is performed, and then a step of inserting the segment coil into the slot (fourth step) is performed. Therefore, even when the insulating paper is dragged by the segment coil in the process of inserting the segment coil into the slot, the insulating paper abuts the jig and the movement of the insulating paper is restricted, thereby suppressing displacement of the insulating paper from the slot.
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公开(公告)号：US11626778B2
公开(公告)日：2023-04-11
申请号：US17190645
申请日：2021-03-03
发明人： Yukio Tsuchiya , Akihide Takehara
摘要： A first U-shaped part that is bent so as to form a pair of opposite surfaces facing each other, and a second U-shaped part that is bent so as to form a pair of opposite surfaces facing each other are provided side by side in a bus bar main body of a neutral conductor bus bar. One of the first pair of opposite surfaces and one of the second pair of opposite surfaces are located in the same plane, and the other of the first pair of opposite surfaces and the other of the second pair of opposite surfaces are located in the same plane. A temperature sensor is retained by being inserted through a gap between the first pair of opposite surfaces and a gap between the second pair of opposite surfaces.
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