Drive unit for a motor vehicle
US5620387A · kind A · utility
56Cited by
17References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 29, 1995 |
| Grant date | Apr 15, 1997 |
| Priority date | — |
| Expiry date | Jun 29, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K17/22
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Drive unit for an electrically powered vehicle, comprising an electric motor (1) and a transmission (2) coupled between the electric motor and the drive axles (30,31) of the vehicle. The transmission (2) has a cylindrical speed reducer (8) with two reduction steps and two different gear ratios, a planetary gear set (9) driven by the speed reducer and which provides a third reduction step and which drives a differential (10) to which the drive axles are coupled. One drive axle (31) extends through the transmission and the electric motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.