Dual rotor electric machine in an automotive application
US11146157B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 3, 2018 |
| Grant date | Oct 12, 2021 |
| Priority date | — |
| Expiry date | Oct 20, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K9/19
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical machine for use in a vehicle, comprising a stator configured to output a rotating magnetic field, a primary rotor located radially between an output shaft and the stator, a secondary rotor, wherein the secondary rotor is located radially between the stator and the output shaft, and a hydraulic pump attached to the secondary rotor, wherein the hydraulic pump is configured to output lubricant to an outlet in response to the rotating magnetic field generated therebetween by the stator and the secondary rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.