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公开(公告)号：US20240186658A1
公开(公告)日：2024-06-06
申请号：US18072815
申请日：2022-12-01
IPC分类号： H01M50/509 , H01M50/213 , H01M50/559 , H01M50/583
CPC分类号： H01M50/509 , H01M50/213 , H01M50/559 , H01M50/583 , H01M2220/20
摘要： Embodiments include a battery pack having a balanced current collector plate configured to connect a plurality of battery cells to one another and an electric vehicle including the same. The balanced current collector plate includes a terminal and a plurality of cell connection regions, each corresponding to one of the plurality of battery cells. Each of the plurality of cell connection regions includes one or more sidewalls, a cell connection tab that is configured to contact a terminal of a battery cell, and a cell fuse that is configured to electrically connect the cell connection tab to the balanced current collector plate. The geometry of each of the plurality of cell connection regions is configured to minimize a difference among the current draw between each of the plurality of battery cells and the terminal.
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公开(公告)号：US20240348126A1
公开(公告)日：2024-10-17
申请号：US18298724
申请日：2023-04-11
发明人： Farzad Samie , Peng Peng , Xiaofeng Yang , Derek Frei Lahr
CPC分类号： H02K9/00 , H05K7/20845
摘要： A vehicle, system, and method of operating a motor of the vehicle. The motor includes a stator and a rotor. A motor controller controls a motor torque of the motor. A sensor measures a motor speed. A rotor temperature sensor measures a temperature of the rotor. A stator temperature sensor measures a temperature of the stator. A processor determines a stator heat loss at the stator based on the motor torque, the motor speed, and the stator temperature, determines a rotor heat loss at the rotor based on the motor torque, the motor speed, and the rotor temperature, and controls flow of a stator coolant stream through the stator at a stator coolant flow rate based on the stator heat loss and a rotor coolant stream through the rotor at a rotor coolant flow rate based on the rotor heat loss.
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公开(公告)号：US12062946B2
公开(公告)日：2024-08-13
申请号：US17374244
申请日：2021-07-13
摘要： A rotor for an electric machine includes a rotor body formed from a plurality of stacked laminations defining a first axial end and an opposing second axial end. Each of the plurality of stacked laminations includes a plurality of openings that are aligned so as to define a plurality of passages through the rotor body. A plurality of reinforcement elements extend through the plurality of stacked laminations. Each of the plurality of reinforcement elements is arranged in a corresponding one of the plurality of passages and includes a first end portion and a second end portion. The first end portion and the second end portion of select ones of the plurality of reinforcement elements extend outwardly of the first axial end and the second axial end.
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公开(公告)号：US20230017290A1
公开(公告)日：2023-01-19
申请号：US17375753
申请日：2021-07-14
发明人： Farzad Samie , Anthony Michael Coppola , Jian Gao , Derek Frei Lahr , Velmurugan Ayyanar , SeungHwan Keum
IPC分类号： H01M10/6556 , H05K7/20 , H01M10/0525 , H01M10/613 , H01M10/625 , H01M10/653 , H01M50/204 , H01M50/249
摘要： According to several aspects of the present disclosure, a battery module housing cooling assembly is disclosed. The battery module housing cooling assembly can include an endwall including a first polymer plate and a second polymer plate that define a slot therebetween. At least one of the first polymer plate or the second polymer plate define a channel therein that is configured to receive a coolant fluid, and the slot is configured to receive an electrical connector. The battery module housing cooling assembly can also include a cooling plate defining a first connection port and a second connection port, wherein the first connection port and a second connection port are configured to provide the coolant fluid to the channel.
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公开(公告)号：US20240291060A1
公开(公告)日：2024-08-29
申请号：US18174285
申请日：2023-02-24
发明人： Derek Frei Lahr , Konrad Michael Brown , Alexander Millerman , Chinmaya Patil , Madhusudan Raghavan
IPC分类号： H01M10/613 , H01M10/48 , H01M10/615 , H01M10/653 , H01M10/6554 , H01M50/204
CPC分类号： H01M10/613 , H01M10/486 , H01M10/615 , H01M10/653 , H01M10/6554 , H01M50/204 , H01M10/0525
摘要： A battery pack having a plurality of battery modules is provided. Each of the plurality of battery modules includes a thermally conductive frame having a plurality of apertures and a plurality of battery cells, wherein each of the plurality of battery cells is disposed in one of the plurality of apertures. Each of the plurality of battery modules also includes a heating element disposed on a top of the thermally conductive frame and a cooling plate disposed on a bottom of the thermally conductive frame. The thermally conductive frame includes a plurality of cooling ribbons disposed between at least two of the plurality of apertures, wherein each of the plurality of cooling ribbons extend from top of the thermally conductive frame to the bottom of the thermally conductive frame.
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公开(公告)号：US12046952B2
公开(公告)日：2024-07-23
申请号：US17725653
申请日：2022-04-21
IPC分类号： H02K1/27
CPC分类号： H02K1/27
摘要： A rotor of an electric machine includes: N pole pieces, each of the N pole pieces including two half pole pieces, where N is an integer greater than 2; apertures through the half pole pieces, respectively; permanent magnets disposed within the apertures, respectively, the permanent magnets including, in each of the N pole pieces, a first permanent magnet of a first magnetic polarity and a second permanent magnet of a second magnetic polarity; and structural non-magnetic portions disposed in gaps of the half pole pieces, respectively, and configured to magnetically disconnect a rotor web from a q-axis flux guide.
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公开(公告)号：US11777348B2
公开(公告)日：2023-10-03
申请号：US17392666
申请日：2021-08-03
CPC分类号： H02K1/28 , H02K1/2766 , H02K15/03 , H02K15/12
摘要： A rotor core for an electric machine of an automobile includes a core stack including a plurality of lamination plates. Each lamination plate includes a plurality of apertures formed therein. The plurality of apertures of each of the lamination plates are axially aligned and define and a slot extending through the core stack and shaped to receive a corresponding insert. The rotor core also includes at least one insert received by the slot that provides radial structural stability to the plurality of lamination plates to prevent portions of the plurality of lamination plates adjacent the plurality of magnet slots from flexing due to radial forces exerted on the plurality of lamination plates during operation of the rotor core. The rotor core includes a load bearing polymer disposed within the aperture of the rotor core that provides contact between and the insert and the lamination plates.
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公开(公告)号：US20230017309A1
公开(公告)日：2023-01-19
申请号：US17374244
申请日：2021-07-13
摘要： A rotor for an electric machine includes a rotor body formed from a plurality of stacked laminations defining a first axial end and an opposing second axial end. Each of the plurality of stacked laminations includes a plurality of openings that are aligned so as to define a plurality of passages through the rotor body. A plurality of reinforcement elements extend through the plurality of stacked laminations. Each of the plurality of reinforcement elements is arranged in a corresponding one of the plurality of passages and includes a first end portion and a second end portion. The first end portion and the second end portion of select ones of the plurality of reinforcement elements extend outwardly of the first axial end and the second axial end.
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公开(公告)号：US20240250569A1
公开(公告)日：2024-07-25
申请号：US18100896
申请日：2023-01-24
发明人： Anthony Michael Coppola , Derek Frei Lahr , Alireza Fatemi , Erik Brandon Golm , Alan G. Holmes , Michael B. Viola
CPC分类号： H02K1/30 , H02K1/04 , H02K1/27 , H02K2201/09
摘要： The present disclosure includes a rotor core assembly for an electric motor. The rotor core assembly includes a plurality of laminations secured together. A center bore is defined by the plurality of laminations. A longitudinal axis of the rotor core assembly extends along an axial center of the center bore. A carbon fiber sleeve surrounds the plurality of laminations. Magnet slots are defined by the plurality of laminations. The magnet slots extend parallel to the longitudinal axis. Magnets are seated in the magnet slots. Reinforcing bores are defined by, and extend across, the plurality of laminations. Reinforcing members are seated in the reinforcing bores.
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公开(公告)号：US11728535B2
公开(公告)日：2023-08-15
申请号：US17375753
申请日：2021-07-14
发明人： Farzad Samie , Anthony Michael Coppola , Jian Gao , Derek Frei Lahr , Velmurugan Ayyanar , SeungHwan Keum
IPC分类号： H01M10/6556 , H05K7/20 , H01M10/0525 , H01M10/613 , H01M10/653 , H01M50/204 , H01M50/249 , H01M10/625
CPC分类号： H01M10/6556 , H01M10/0525 , H01M10/613 , H01M10/625 , H01M10/653 , H01M50/204 , H01M50/249 , H05K7/20254 , H01M2220/20
摘要： According to several aspects of the present disclosure, a battery module housing cooling assembly is disclosed. The battery module housing cooling assembly can include an endwall including a first polymer plate and a second polymer plate that define a slot therebetween. At least one of the first polymer plate or the second polymer plate define a channel therein that is configured to receive a coolant fluid, and the slot is configured to receive an electrical connector. The battery module housing cooling assembly can also include a cooling plate defining a first connection port and a second connection port, wherein the first connection port and a second connection port are configured to provide the coolant fluid to the channel.
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