Stator for rotating electric machine with overlapping hairpin coils
US12068636B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2020 |
| Grant date | Aug 20, 2024 |
| Priority date | — |
| Expiry date | Nov 28, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2213/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A stator for a rotating electric machine according to one implementation of the present disclosure includes a stator core having a plurality of slots, and a stator coil formed by electrically connecting a plurality of hairpins inserted into the slots in a preset pattern, wherein the stator coil includes voltage distribution hairpins disposed in a voltage distribution section preset from an end to which power is to be input, wherein the voltage distribution hairpins include a plurality of first and protruding parts protruding from the plurality of slots and extending away from the stator core, wherein one of the plurality of first protruding parts and one of the plurality of second protruding parts are electrically coupled to form a coil pair, and wherein an insulating member is disposed between the first protruding parts and the second protruding parts to insulate between the first and second protruding parts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.