Patent · US Expired

Vehicle drive device, and front-and-rear wheel-driven vehicle formed of the device

US7270205B2 · kind B2 · utility

11Cited by
12References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 22, 2003
Grant dateSep 18, 2007
Priority date
Expiry dateApr 13, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/7072
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A vehicle drive device 20 is composed of an electric motor 20a, a differential gear 20d for distributing and transmitting the drive power from the electric motor 20a to right and left drive wheels, and a clutch 20c for making intermittent the coupling capable of transmitting the drive power between the differential gear 20d side and the electric motor 20a side. The clutch 20c is of the type having a self-locking function and is arranged coaxially of the differential gear 20d at one side of the differential gear 20d.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.