公开(公告)号：US20230163666A1

公开(公告)日：2023-05-25

申请号：US17804598

申请日：2022-05-30

Applicant: DELTA ELECTRONICS, INC.

Inventor： Yu-Wei CHUANG ,  Yao-Hsien SHAO ,  Ji DAI ,  Tzu-Ting HSU ,  Yen-Wei TSENG

IPC: H02K15/04 ,  H02K3/28 ,  H02K3/12 ,  H02K1/16

CPC classification number: H02K15/0421 ,  H02K3/28 ,  H02K3/12 ,  H02K1/16

Abstract: A hairpin stator includes a core, slot-positions and hairpin wires. The core includes a first side and a second side. The slot-positions are configured on the core circumferentially to form M radially-adjacent slot-position layers, wherein M is an odd number greater than or equal to 5. The hairpin wires are configured in the slot-positions and connected to form a plurality of windings. The hairpin wires include a plurality of first U-shaped wires arranged at an outermost slot-position layer in the radial direction and a plurality of second U-shaped wires arranged at an innermost slot-position layer in the radial direction. Each first U-shaped wire includes a U-shaped section arranged at the outermost slot-position layer and protruding from the first side of the core. Each second U-shaped wire includes a U-shaped section arranged at the innermost slot-position layer and protruding from the second side of the core.