Vehicle drive device
US11381136B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2019 |
| Grant date | Jul 5, 2022 |
| Priority date | — |
| Expiry date | Nov 18, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/72
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vehicle drive device includes: a first rotary electric machine; a second rotary electric machine that is arranged below the first rotary electric machine; and a case having a rotary electric machine housing portion that houses the first rotary electric machine and the second rotary electric machine. The first rotary electric machine and the second rotary electric machine are cooled by a refrigerant flowing inside the case, and in the rotary electric machine housing portion, a guide portion that prevents the refrigerant, which has cooled the first rotary electric machine, from being applied to the second rotary electric machine is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.