公开(公告)号：US12206288B2

公开(公告)日：2025-01-21

申请号：US17883887

申请日：2022-08-09

Applicant: GM Global Technology Operations LLC

Inventor： Alireza Fatemi ,  Huaxin Li ,  Yucong Wang ,  Eric C. Clough ,  Jonathan Watson

IPC: H02K1/27 ,  H02K1/276 ,  H02K15/02 ,  H02K15/03 ,  H02K21/12

Abstract: An electric machine may have a stator and a rotor including stacked plurality of electrical steel laminations forming a slot including a first end and opposing sides, the first end defined by a bridge extending between electrical steel on opposing sides of the slot, the bridge being located between the first end of the slot and an outer diameter surface of the rotor and beneath the outer diameter surface of the rotor, the bridge forming a base of a channel open at an outer diameter surface of the rotor.

公开(公告)号：US20240055919A1

公开(公告)日：2024-02-15

申请号：US17883887

申请日：2022-08-09

Applicant: GM Global Technology Operations LLC

Inventor： Alireza Fatemi ,  Huaxin Li ,  Yucong Wang ,  Eric C. Clough ,  Jonathan Watson

IPC: H02K1/276 ,  H02K15/02 ,  H02K15/03

CPC classification number: H02K1/2766 ,  H02K15/024 ,  H02K15/03

Abstract: An electric machine may have a stator and a rotor including stacked plurality of electrical steel laminations forming a slot including a first end and opposing sides, the first end defined by a bridge extending between electrical steel on opposing sides of the slot, the bridge being located between the first end of the slot and an outer diameter surface of the rotor and beneath the outer diameter surface of the rotor, the bridge forming a base of a channel open at an outer diameter surface of the rotor.