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公开(公告)号：US20230179049A1
公开(公告)日：2023-06-08
申请号：US17540328
申请日：2021-12-02
Applicant: BorgWarner Inc.
Inventor： Dave Fulton , Matt Conner , Joshua Lahrman
Abstract: A rotor for an electric machine including a shaft having a first end, a second end, an outer surface and an inner surface that defines a passage extending between the first end and the second end. A plurality of rotor laminations is mounted to the outer surface of the shaft. A plurality of windings extends about the plurality of rotor laminations. The plurality of windings includes a first end turn arranged proximate the first end and a second end turn arranged proximate the second end turn. An end turn support is arranged at one of the first and second end turns. The end turn support includes a cooling circuit fluidically connected to the passage. The cooling circuit includes an outlet that directs coolant onto the one of the first and second end turns.
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公开(公告)号：US12088149B2
公开(公告)日：2024-09-10
申请号：US17540328
申请日：2021-12-02
Applicant: BorgWarner Inc.
Inventor： Dave Fulton , Matt Conner , Joshua Lahrman
Abstract: A rotor for an electric machine including a shaft having a first end, a second end, an outer surface and an inner surface that defines a passage extending between the first end and the second end. A plurality of rotor laminations is mounted to the outer surface of the shaft. A plurality of windings extends about the plurality of rotor laminations. The plurality of windings includes a first end turn arranged proximate the first end and a second end turn arranged proximate the second end turn. An end turn support is arranged at one of the first and second end turns. The end turn support includes a cooling circuit fluidically connected to the passage. The cooling circuit includes an outlet that directs coolant onto the one of the first and second end turns.
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公开(公告)号：US20240055914A1
公开(公告)日：2024-02-15
申请号：US17818659
申请日：2022-08-09
Applicant: BorgWarner Inc.
Inventor： Tim Garner , Andrew Dragon , Dave Fulton
Abstract: A stator assembly has a substantially cylindrical core that defines a plurality of winding slots and a plurality of wedge-shaped insert slots, with the winding slots and insert slots alternating around the perimeter face of the core. Each insert slot is wedge-shaped to receive a wedge-shaped insert. The insert includes a cap at one end that is configured to be positioned at the insert slot opening when the insert is disposed within the corresponding insert slot. The cap includes a pair of wings extending therefrom that are sized and configured to overlap a portion of a winding slot on either side of the insert slot when the insert is disposed in said insert slot. The insert slots and inserts include a feature for locking engagement of the inserts in the slots.
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