Centralized full-time electric four-wheel drive system
US10814720B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2019 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | Apr 17, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/72
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A centralized full-time electric four-wheel drive system, including: a housing; a central differential; a main drive unit, whose power output gear meshes with the ring gear of the central differential; a dual-rotor motor having a first and a second output gear at either end; a rear-axle differential; a first planetary gearset (PG), whose sun gear and ring gear connect to the carrier of the central differential and the housing respectively; a second PG with common carrier of the first PG, whose sun gear connects to the sun gear of the central differential and ring gear meshes with the first output gear; a third PG, whose sun gear and ring gear connect to the semi-axle of the rear-axle differential and the housing respectively; a forth PG with common carrier of the third PG, whose sun gear connects to the rear-axle differential cage and ring gear meshes with the second output gear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.