Driving apparatus for electric vehicle
US11131371B2 · kind B2 · utility
2Cited by
2References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2019 |
| Grant date | Sep 28, 2021 |
| Priority date | — |
| Expiry date | Jan 2, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2702/02
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A driving apparatus for an electric vehicle includes a housing, a driving motor, and a planetary gear unit. The planetary gear unit includes a ring gear fixed to the housing and a plurality of planetary gears positioned radially inward from the ring gear. The ring gear includes a ring gear main body configured as a ring-shaped flat plate extending in a radial direction, and a ring gear connection portion extending from an outer peripheral surface of the ring gear main body in an axial direction and contacting the plurality of planetary gears.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.