Wheel hub motor
US8758178B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 20, 2011 |
| Grant date | Jun 24, 2014 |
| Priority date | — |
| Expiry date | Feb 23, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/64
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An electric vehicle driving device 10 includes a first motor 11, a second motor 12, a first planetary gear mechanism 20, a second planetary gear mechanism 30, a clutch device 40, and a wheel bearing 50. The first planetary gear mechanism 20 is a planetary gear device of single pinion type. The second planetary gear mechanism 30 is a planetary gear device of double pinion type. The first motor 11 is connected to a first sun gear 21 and a second sun gear 31. The second motor 12 is connected to a first ring gear 24. The clutch device 40 is connected to a first carrier 23. A second carrier 33 is connected to the first ring gear 24. A second ring gear 34 is connected to the wheel bearing 50.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.