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    One-step processing of magnet arrays
    222.
    发明授权
    One-step processing of magnet arrays 有权

    公开(公告)号：US11417462B2

    公开(公告)日：2022-08-16

    申请号：US16414862

    申请日：2019-05-17

    Applicant: FORD GLOBAL TECHNOLOGIES, LLC

    Inventor： Michael W. Degner ,  Wanfeng Li ,  Franco Leonardi

    IPC: H01F41/02 ,  H01F1/057 ,  H01F7/02 ,  H01F1/14 ,  H01F7/20

    Abstract: A method of forming an annealed magnet includes positioning a magnetizing array ring concentrically with a ring of bulk magnetic material to form an assembly, the magnetizing array ring having a magnetic field defining directions for orienting grains of the ring of bulk magnetic material, placing the assembly in a furnace, and operating the furnace to anneal the ring of bulk magnetic material and grow the grains in the directions. A magnetic array assembly includes a furnace; and an assembly including (i) a ring of bulk magnetic material having grains and (ii) a magnetizing array ring concentric with the ring of bulk magnetic material, and having a magnetic field defining directions for orienting the grains during growth thereof in a presence of heat from the furnace.

    Vehicle Power Module Assembly
    223.
    发明申请
    Vehicle Power Module Assembly 有权

    公开(公告)号：US20220225548A1

    公开(公告)日：2022-07-14

    申请号：US17711949

    申请日：2022-04-01

    Applicant: Ford Global Technologies, LLC

    Inventor： Akash Changarankumarath Pradeepkumar ,  Alfredo R. Munoz ,  Michael W. Degner ,  Edward Chan-Jiun Jih ,  Guangyin Lei

    IPC: H05K7/20 ,  B60L58/10

    Abstract: A vehicle power module assembly including first and second power modules is provided. The first power module may include a first lock feature extending from a lower portion of a first minor side at a first central axis. The second power module may include a second lock feature at an upper portion of a second minor side at a second central axis. The lock features may be sized for interlock with one another to secure the power modules to one another. The first lock feature may be a loop element defining a through-hole and the second lock feature may be a wedge. The through-hole may be sized for the wedge to extend therein and to interlock the first power module and the second power module to one another. The first lock feature may be a flexible hook element and the second lock feature may be a slot.

    Alternating passive rectification and 3-phase-short control for motor fault protection
    225.
    发明授权
    Alternating passive rectification and 3-phase-short control for motor fault protection 有权

    公开(公告)号：US11296644B2

    公开(公告)日：2022-04-05

    申请号：US16747418

    申请日：2020-01-20

    Applicant: Ford Global Technologies, LLC

    Inventor： Xuemei Sun ,  Jiyao Wang ,  Hongjie Wu ,  William Reynolds ,  Silong Li ,  Michael W. Degner

    IPC: H02P29/024 ,  H02M7/5387 ,  H02P27/08

    Abstract: A vehicle includes a traction battery, an inverter, and a controller. The inverter includes a plurality of pairs of switches. Each of the pairs includes an upper switch that is directly electrically connected with a positive terminal of the traction battery and a lower switch that is directly electrically connected with a negative terminal of the traction battery. The controller, responsive to presence of a fault condition and during each of consecutive switching periods, deactivates all of the switches for a predetermined portion of the switching period, activates only the upper switches for another predetermined portion of the switching period, deactivates all of the switches for yet another predetermined portion of the switching period, and activates only the lower switches for still yet another predetermined portion of the switching period.

    HANDS-FREE CHARGING SYSTEM WITH INTERNAL POWER SOURCE
    226.
    发明申请
    HANDS-FREE CHARGING SYSTEM WITH INTERNAL POWER SOURCE 有权

    公开(公告)号：US20220063430A1

    公开(公告)日：2022-03-03

    申请号：US17002175

    申请日：2020-08-25

    Applicant: FORD GLOBAL TECHNOLOGIES, LLC

    Inventor： Lan Yu ,  Michael W. Degner

    IPC: B60L53/35 ,  H02J7/00

    Abstract: A hands-free charging system includes an electrical power source and a ground unit electrically connected to the power source. The ground unit includes an energy-storage device and a robotic coupler having a connector and an actuator configured to move the connector into engagement with a vehicle charge port. The energy-storage device is configured to power the actuator. A switching arrangement is configured to selectively electrically connect the power source to the energy-storage device and to the connector. A controller is programmed to, in response to a request to charge a vehicle, connect the connector to a charge port when the connector is electrically disconnected from the power source using an internal power source.

    THERMAL MANAGEMENT FOR ELECTRIC MACHINE OF ELECTRIFIED VEHICLE
    227.
    发明申请
    THERMAL MANAGEMENT FOR ELECTRIC MACHINE OF ELECTRIFIED VEHICLE 有权

    公开(公告)号：US20220029508A1

    公开(公告)日：2022-01-27

    申请号：US16939351

    申请日：2020-07-27

    Applicant: Ford Global Technologies, LLC

    Inventor： Man Prakash Gupta ,  Franco Leonardi ,  Alfredo R. Munoz ,  Michael W. Degner ,  Prasad Dev Hanumalagutti

    IPC: H02K9/193 ,  H02K5/20 ,  H02K3/24

    Abstract: This disclosure relates to thermal management for an electric machine, such as an electric motor, of an electrified vehicle. An example assembly includes a stator having a core and a jacket at least partially surrounding the core. The jacket radially encloses a slot and is configured to permit fluid to flow within the slot from a first face of the stator to a second face of the stator. The assembly further includes a first end cover covering the first face of the stator. The first end cover has an inlet port and is configured to direct fluid from the inlet into the slot. Further, the assembly includes a second end cover covering the second face of the stator and configured to direct fluid that exits the slot.

    Stator for Electric Machine with Multi-Part Conductor Assembly
    229.
    发明申请
    Stator for Electric Machine with Multi-Part Conductor Assembly 有权

    公开(公告)号：US20210249915A1

    公开(公告)日：2021-08-12

    申请号：US16786138

    申请日：2020-02-10

    Applicant: Ford Global Technologies, LLC

    Inventor： Michael W. Degner ,  Franco Leonardi ,  Becky Sue Morris

    IPC: H02K1/16 ,  H02K3/28 ,  H02K3/12 ,  H02K3/50 ,  H02K15/02

    Abstract: A stator for an electric machine is fabricated by assembling a core and first and second winding assemblies. The first winding assembly (FWA) is fabricated by a 3D printing process and includes a plurality of U-shaped conductors (hairpins) having respective end-turns arranged in mutually axially-nested relationship to each other to form a ring, and further having two uprights disposed in one of the slots of the core. End-turns connect respective pairs of the uprights and are disposed adjacent to an end surface of the core, distal ends of the uprights projecting axially beyond an opposite end surface of the core. The second winding assembly (SWA) includes a plurality of bridges forming a second ring Opposite ends of each bridge define terminals that mate with ends of the uprights. The SWA further includes an electrically non-conductive casing in which at least one of the bridges is embedded.

    Electric machine with locally-tuned properties
    230.
    发明授权
    Electric machine with locally-tuned properties 有权

    公开(公告)号：US11065857B2

    公开(公告)日：2021-07-20

    申请号：US16123323

    申请日：2018-09-06

    Applicant: Ford Global Technologies, LLC

    Inventor： Leyi Zhu ,  Michael W. Degner ,  Feng Liang

    IPC: B23P19/00 ,  B32B38/04 ,  H02K15/00 ,  H02K1/12

    Abstract: A method of forming an electric machine lamination includes punching a sheet having a first composition to form a cavity and a compressed region at a perimeter of the cavity. The method further includes depositing, within the cavity and on the compressed region, a deposit material having a second composition different than the first composition. The method further includes scanning a beam along the deposit material to form a bound material within the cavity and on the compressed region.

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