Invention Grant
- Patent Title: Hairpin winding electric machine
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Application No.: US16740798Application Date: 2020-01-13
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Publication No.: US11575288B2Publication Date: 2023-02-07
- Inventor: Chun Tang , Adeeb Ahmed
- Applicant: FORD GLOBAL TECHNOLOGIES, LLC
- Applicant Address: US MI Dearborn
- Assignee: FORD GLOBAL TECHNOLOGIES, LLC
- Current Assignee: FORD GLOBAL TECHNOLOGIES, LLC
- Current Assignee Address: US MI Dearborn
- Agency: Brooks Kushman P.C.
- Agent David B Kelley
- Main IPC: H02K3/28
- IPC: H02K3/28 ; H02K1/16 ; H02K15/02 ; H02K15/04 ; H02K3/12

Abstract:
An electric machine includes a stator core and a hairpin winding. The stator core defines slots that are circumferentially arranged between an inner diameter and an outer diameter of the stator core. Each slot has a plurality of pin positions that is arranged in a direction that extends from the inner diameter toward the outer diameter. The hairpin winding has a plurality of paths of interconnected hairpins that correspond to a first electrical phase of the electric machine. The hairpins are arranged to occupy a portion of the pin positions according to a pattern that repeats at angular intervals along a circumference of the stator core. The pattern includes hairpins occupying each pin position within a first of the slots, harpins occupying exactly half the pin positions within a second of the slots, and harpins occupying exactly half the pin positions within a third of the slots.
Public/Granted literature
- US20210218305A1 HAIRPIN WINDING ELECTRIC MACHINE Public/Granted day:2021-07-15
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