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1.发明授权公开(公告)号：US11689071B2
公开(公告)日：2023-06-27
申请号：US16975083
申请日：2018-12-07
发明人： Yusheng Hu , Tong Tong , Suhua Lu , Yong Xiao , Bin Chen
CPC分类号： H02K1/276 , B60K1/00 , H02K2213/03
摘要： A rotor structure, a permanent magnet auxiliary synchronous reluctance motor and an electric vehicle. The rotor structure includes a rotor body. The rotor body is provided with an outer magnetic steel slot; an inner magnetic steel slot; a first bent slot, a first end of the first bent slot being in communication with the outer magnetic steel slot, and a second end of the first bent slot extending towards an outer edge of the rotor body and spreading gradually away from a direct axis of the rotor body; and a third bent slot, a first end of the third bent slot being in communication with the inner magnetic steel slot and being arranged to be adjacent to the first bent slot, and a second end of the third bent slot extending towards the outer edge of the rotor body and spreading gradually away from a straight axis.
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2.发明授权公开(公告)号：US11664692B2
公开(公告)日：2023-05-30
申请号：US16981258
申请日：2018-12-07
CPC分类号： H02K1/2766 , H02K19/103 , H02K21/12 , H02K29/03 , H02K2213/03
摘要： Disclosed are a rotor structure, a permanent magnet auxiliary synchronous reluctance motor, and an electric vehicle. The rotor structure includes a rotor body; the rotor body is provided with permanent magnet slot groups each including multiple layers of permanent magnet slots; the multiple layers of permanent magnet slots include a first permanent magnet slot; and the first permanent magnet slot includes a first permanent magnet slot section and a first bent slot. A first end of the first bent slot is connected to a second end of the first permanent magnet slot section, a second end of the first bent slot is arranged to extend toward an outer edge of the rotor body.
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3.发明授权公开(公告)号：US11637464B2
公开(公告)日：2023-04-25
申请号：US17022043
申请日：2020-09-15
发明人： Mingzhu Dong , Yusheng Hu , Yong Xiao , Bin Chen , Tong Tong , Suhua Lu
摘要： A rotor structure, a permanent magnet auxiliary synchronous reluctance motor and an electric vehicle are provided. The rotor structure includes a rotor body. A permanent magnet groove group is provided on the rotor body, the permanent magnet groove group includes an outer layer permanent magnet groove and an inner layer permanent magnet groove, and a magnetic conduction channel is formed between the outer permanent magnet groove and the inner layer permanent magnet groove which are adjacent. A deflection segment is formed on at least one end of the magnetic conduction channel, and a distance from the deflection segment to a quadrature-axis of the rotor body is decreased gradually outward in a radial direction, so that an end of the magnetic conduction channel is disposed near the quadrature-axis.
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4.发明授权公开(公告)号：US11594922B2
公开(公告)日：2023-02-28
申请号：US16976711
申请日：2018-12-07
发明人： Mingzhu Dong , Yusheng Hu , Tong Tong , Bin Chen , Yong Xiao , Suhua Lu
摘要： The present disclosure provides a rotor structure, a permanent magnet auxiliary synchronous reluctance motor and an electric vehicle. A rotor structure includes a rotor body. The rotor body has magnetic steel slot groups. Each of the magnetic steel slot groups includes an outer layer magnetic steel slot including: a first outer layer magnetic steel slot segment, a second outer layer magnetic steel slot segment, a first bent slot, and a second bent slot. The first outer layer magnetic steel slot segment and the second outer layer magnetic steel slot segment are arranged along a radial direction of the rotor body and are opposite to each other. Extended lines of a length directional geometric centerline of the first outer layer magnetic steel slot segment and a length directional geometric centerline of the second outer layer magnetic steel slot segment define a first angle.
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5.发明授权公开(公告)号：US11699930B2
公开(公告)日：2023-07-11
申请号：US16979827
申请日：2018-12-07
发明人： Yong Xiao , Yusheng Hu , Bin Chen , Tong Tong , Suhua Lu
CPC分类号： H02K1/276 , B60K1/00 , H02K2213/03
摘要： Disclosed are a rotor structure, a permanent magnet auxiliary synchronous reluctance motor, and an electric vehicle. The rotor structure includes a rotor body provided with a permanent magnet slot group; the permanent magnet slot group includes an outer layer of permanent magnet slot and an inner layer of permanent magnet slot; a magnetic conduction channel is formed between the outer layer of permanent magnet slot and the inner layer of permanent magnet slot; the magnetic conduction channel is provided with a connection hole.
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公开(公告)号：US11418072B2
公开(公告)日：2022-08-16
申请号：US16975614
申请日：2018-12-07
发明人： Jianming Tan , Yusheng Hu , Bin Chen , Yong Xiao , Suhua Lu , Tong Tong
摘要： The present disclosure provides a permanent magnet assisted synchronous reluctance motor and an electric car having the same. The permanent magnet assisted synchronous reluctance motor includes: a stator body, wherein a plurality of stator teeth are provided on an inner circumferential surface of the stator body, and a stator slot is formed between two adjacent stator teeth; a rotor body disposed within the stator body and opened with a group of permanent magnet slots, which include a plurality of permanent magnet slots, wherein a first end of at least one of the plurality of permanent magnet slots and an end of one of the plurality of stator teeth are arranged oppositely, and a second end of the permanent magnet slot and the stator slot formed by two adjacent stator teeth among remaining stator teeth are arranged oppositely.
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公开(公告)号：US20210242742A1
公开(公告)日：2021-08-05
申请号：US17054799
申请日：2019-01-07
发明人： Keliang Liao , Tong Tong , Suhua Lu , Bin Chen
摘要： The present disclosure provides a motor stator, a motor and a bus. The motor stator includes a stator tooth. The stator tooth includes a tooth root and a tooth crest. The tooth crest is provided on the tooth root. The tooth crest includes a first tooth crest part and a second tooth crest part. The first tooth crest part and the second tooth crest part are provided on two sides of the tooth root along the circumference of the motor stator, respectively, and a tooth crest air gap is formed between the first tooth crest part and the second tooth crest part. According to the present disclosure, the motor stator is adapt to reduce magnetic flux leakage, and enhance the utilization rate of a permanent magnet and output torque.
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公开(公告)号：US12051941B2
公开(公告)日：2024-07-30
申请号：US17669843
申请日：2022-02-11
发明人： Bin Chen , Yusheng Hu , Tong Tong , Suhua Lu , Keliang Liao , Yang Li , Yong Wang
CPC分类号： H02K1/246 , H02K1/2766 , H02K19/103 , H02K2213/03
摘要： Disclosed is a synchronous reluctance motor. The synchronous reluctance motor includes: a stator core and a rotor core, where the stator core includes stator teeth, the rotor core includes a plurality of magnetic barrier groups arranged in a circumferential direction, each of the magnetic barrier groups includes a plurality of magnetic flux barriers arranged at intervals in a radial direction, a magnetic conduction channel is defined by every two adjacent magnetic flux barriers on a same pole, and a relationship between a quantity of the stator teeth Ns, a quantity of layers Bs of the magnetic flux barriers on each pole, and a quantity of rotor poles 2p is as follows: Ns/2p =Bs+1.
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9.发明授权公开(公告)号：US11770038B2
公开(公告)日：2023-09-26
申请号：US16981255
申请日：2018-12-07
CPC分类号： H02K1/2766 , B60K1/00 , H02K21/14 , H02K29/03 , H02K2213/03
摘要： A rotor structure, a permanent magnet auxiliary synchronous reluctance motor and an electric vehicle. The rotor structure includes a rotor body, and permanent magnet slot groups are disposed on the rotor body; the permanent magnet slot groups each include an outer layer permanent magnet slot; and a third bent slot and a fourth bent slot are further disposed on the rotor body. A third angle is formed by a length directional geometric center line of the third bent slot and a length directional geometric center line of a first segment of the outer layer permanent magnet slot a fourth angle is formed between a length directional geometric center line of the fourth bent slot and a length directional geometric center line of a second segment of the outer layer permanent magnet slot.
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10.发明授权公开(公告)号：US11705767B2
公开(公告)日：2023-07-18
申请号：US16980350
申请日：2018-12-07
CPC分类号： H02K1/2766 , B60K1/00 , H02K2213/03
摘要： A rotor structure, a permanent magnet auxiliary synchronous reluctance motor and an electric vehicle, the rotor structure includes a rotor body and an outer layer permanent magnet. The rotor body is provided with a magnetic steel slot group. The magnetic steel slot group includes an outer layer magnetic steel slot. The outer layer magnetic steel slot includes a plurality of magnetic steel slot segments. At least two of the plurality of magnetic steel slot segments are arranged in a radial direction of the rotor body and are disposed oppositely at both sides of a direct axis of the rotor body. The outer layer permanent magnet is arranged in the magnetic steel slot segment, a length of the outer permanent magnet disposed in the two oppositely arranged magnetic steel slot segments is L, and a maximum distance between the two oppositely arranged magnetic steel slot segments is C, where 0.8×C≤L.
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