Invention Publication
- Patent Title: ADDITIVELY MANUFACTURED AIR GAP WINDING FOR AN ELECTRICAL MACHINE
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Application No.: US18285577Application Date: 2022-03-28
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Publication No.: US20240186858A1Publication Date: 2024-06-06
- Inventor: Johannes RUDOLPH , Fabian LORENZ , Ralf WERNER , Max Erick BUSSE-GRAWITZ
- Applicant: Maxon International AG
- Applicant Address: CH Sachsein
- Assignee: Maxon International AG
- Current Assignee: Maxon International AG
- Current Assignee Address: CH Sachsein
- Priority: EP 167202.7 2021.04.07
- International Application: PCT/EP2022/058070 2022.03.28
- Date entered country: 2023-10-04
- Main IPC: H02K3/47
- IPC: H02K3/47 ; B33Y80/00 ; H02K3/50

Abstract:
An additively manufactured air gap winding for an electrical machine is provided. The air-gap winding includes a hollow cylindrical main portion having a geometric axis, the main portion defining an active winding length of the winding, and electrical winding conductors of the winding extending in the main portion from a first axial end of the winding to a second axial end. The air gap winding further comprises a first winding head at the first axial end and a second winding head at the second axial end, wherein winding head connections of the winding conductors extend in the winding heads. The winding heads project radially inwardly and/or outwardly beyond the hollow cylindrical main section. The winding head connections extend at least in sections at different distances from the axis in such a way that one winding head connection at least partially radially surrounds the other winding head connection.
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