End shield and rotor for a rotary electric machine
US12015328B2 · kind B2 · utility
0Cited by
0References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2021 |
| Grant date | Jun 18, 2024 |
| Priority date | — |
| Expiry date | Nov 23, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/72
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to an end shield (10) for a rotary electric machine, including one or more feed channels (12) for feeding a coolant supplied from a channel formed in a rotor lamination stack (8) or in a shaft of the rotor or between the rotor lamination stack and the shaft, wherein at least one feed channel (12) has a spray portion (18) for spraying the coolant, said spray portion (18) being placed in the last two thirds of the feed channel (12), when considered in the direction in which the coolant circulates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.