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公开(公告)号：US20240097533A1
公开(公告)日：2024-03-21
申请号：US18491951
申请日：2023-10-23
发明人： Hiroki ASO , Takaya SHIMOKAWA , Junichiro OYA , Naoki TAMURA
IPC分类号： H02K11/215 , F24F7/013 , H02K1/2733 , H02K7/08 , H02K15/03 , H02K21/14
CPC分类号： H02K11/215 , F24F7/013 , H02K1/2733 , H02K7/083 , H02K15/03 , H02K21/14
摘要： A rotor includes a resin magnet and a shaft fixed to the resin magnet. The resin magnet includes a first magnetic flux generating part having a first magnetic pole center and a first inter-pole part and a second magnetic flux generating part having a second magnetic pole center and a second inter-pole part. The first inter-pole part and the second inter-pole part are shifted to each other in a circumferential direction.
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公开(公告)号：US20230075941A1
公开(公告)日：2023-03-09
申请号：US17787753
申请日：2020-02-26
摘要： An outdoor unit includes a motor. The motor includes a rotor having a rotor core and a permanent magnet fixed to the rotor core, the permanent magnet forming a magnet magnetic pole, a part of the rotor core forming a virtual magnetic pole, and a stator surrounding the rotor. The outdoor unit further includes a frame holding the motor, a support body supporting the frame, a unit housing in which the frame and the support body are housed, and a nonmagnetic body disposed between the support body and the unit housing.
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公开(公告)号：US20230063523A1
公开(公告)日：2023-03-02
申请号：US17790037
申请日：2020-02-26
IPC分类号： H02K1/2746 , H02K1/276
摘要： A rotor includes a rotary shaft, a rotor core including a first core part and a second core part arranged to adjoin each other in a circumferential direction, and a permanent magnet provided in the first core part. A virtual magnetic pole is formed in the second core part. The first core part includes a cavity portion formed on an inner side in a radial direction of the rotor core relative to the permanent magnet. The cavity portion includes a first portion whose width in the circumferential direction increases toward the rotary shaft. A surface defining the cavity portion, being located on an innermost side of the cavity portion in the radial direction and facing outward in the radial direction is located on the inner side in the radial direction relative to an innermost portion of the second core part in the radial direction.
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公开(公告)号：US20230061724A1
公开(公告)日：2023-03-02
申请号：US17789576
申请日：2020-02-28
发明人： Hiroki ASO , Ryogo TAKAHASHI
IPC分类号： H02K5/173 , H02K1/2746 , H02K21/14
摘要： A motor includes a stator, a rotor of a consequent-pole type including a rotary shaft, a bearing as a rolling bearing that supports the rotary shaft, a bearing holding part that is fixed to the stator and holds an outer ring of the bearing, and a creep prevention part. The creep prevention part is arranged between the outer ring and the bearing holding part and increases friction resistance in a circumferential direction of the outer ring between the outer ring and the bearing holding part.
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公开(公告)号：US20230006489A1
公开(公告)日：2023-01-05
申请号：US17792434
申请日：2020-02-27
IPC分类号： H02K1/276 , F24F1/0018 , H02K1/16
摘要： A motor includes a rotor and a stator. In a plane orthogonal to an axis direction of the rotor, the motor satisfies W2
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公开(公告)号：US20220376569A1
公开(公告)日：2022-11-24
申请号：US17789299
申请日：2020-02-12
摘要： A rotor includes a rotor core having an outer circumference extending in a circumferential direction about an axis and having magnet insertion holes, and permanent magnets disposed in the magnet insertion holes. The permanent magnet constitutes a magnet magnetic pole, and a part of the rotor core constitutes a virtual magnetic pole. The width of the virtual magnetic pole in the circumferential direction is narrower than the width of the permanent magnet in the circumferential direction. The rotor core has at least one slit at the virtual magnetic pole.
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公开(公告)号：US20220029486A1
公开(公告)日：2022-01-27
申请号：US17414244
申请日：2018-12-20
发明人： Ryogo TAKAHASHI , Hiroki ASO , Takaya SHIMOKAWA , Kazuma NOMOTO
摘要： A rotor includes a shaft made of a stainless steel, an annular rotor core surrounding the shaft from an outer side in a radial direction about a center axis of the shaft, a magnet attached to the rotor core, and a separating portion provided between the shaft and the rotor core and having electric insulation property. The magnet constitutes a first magnetic pole, and a part of the rotor core constitutes a second magnetic pole. The rotor core has an inner circumference facing the shaft and an outer circumference opposite to the inner circumference. A radius R1 of the shaft and a maximum distance R2 from the center axis to the outer circumference of the rotor core satisfy R1/R2≥0.20.
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公开(公告)号：US20210376674A1
公开(公告)日：2021-12-02
申请号：US17255046
申请日：2018-08-02
发明人： Hiroki ASO , Takaya SHIMOKAWA , Junichiro OYA , Naoki TAMURA
IPC分类号： H02K1/27 , H02K21/14 , H02K29/08 , F24F1/0007
摘要： A motor includes a rotor, a stator, and a magnetic pole position detection element to detect a position of a magnetic pole of the rotor. The rotor includes a resin magnet having a first orientation and a second orientation, and a shaft fixed to the resin magnet, and the first and second orientations and are different from each other in a radial direction. The magnetic pole position detection element faces the resin magnet in an axial direction.
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公开(公告)号：US20210018227A1
公开(公告)日：2021-01-21
申请号：US16483502
申请日：2017-04-14
摘要： A rotor includes a shaft extending in the direction of an axis, and a rotor core including a central hole in which the shaft is inserted. The central hole includes a first central hole, a second central hole, and a third central hole in the direction of the axis. A distance from the axis to an inner circumferential surface of the third central hole is larger than a distance from the axis to an inner circumferential surface of the second central hole. The distance from the axis to the inner circumferential surface of the second central hole is larger than a distance from the axis to an inner circumferential surface of the first central hole.
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公开(公告)号：US20190334403A1
公开(公告)日：2019-10-31
申请号：US16084671
申请日：2016-06-28
发明人： Hiroki ASO , Tomoaki OIKAWA , Mineo YAMAMOTO , Hiroyuki ISHII , Junichiro OYA , Yuto URABE
IPC分类号： H02K3/52 , H02K3/38 , H02K5/10 , H02K11/215
摘要： A stator to which a power supply lead wire for supplying electric power is connected, includes a stator core, a winding wound around the stator core, a winding terminal connected to the winding, a circuit board connecting the power supply lead wire and the winding terminal to each other and having a surface facing the stator core, a power supply terminal provided on the surface and connected to the power supply lead wire, and a wiring pattern provided on the surface and connecting the winding terminal and the power supply terminal to each other.
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