Sleeve and shaft for an electrical machine
US10978930B2 · kind B2 · utility
0Cited by
1References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 6, 2017 |
| Grant date | Apr 13, 2021 |
| Priority date | — |
| Expiry date | Apr 1, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K15/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a sleeve (1) providing a mechanical connection between a shaft of an electrical machine and a rotational bearing of the electrical machine (100) comprising: —a first portion (3) arranged to co-operate with the electrical machine shaft, —a second portion (5) arranged to co-operate with the rotational bearing, characterized in that the first portion (3) defines at least one internal chamber (4) and comprises at least one means of communication (6) between an environment surrounding the sleeve (1) and the internal chamber (4). Said invention is applicable to motor vehicles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.