Patent · US Expired

Drivetrain for a vehicle

US7004868B2 · kind B2 · utility

47Cited by
9References
2Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJul 23, 2002
Grant dateFeb 28, 2006
Priority date
Expiry dateSep 20, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/62
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

The drivetrain includes a differential mechanism having four or more input/output elements and having two degrees of freedom. The input In from an engine, the output Out to a drive shaft, and two motor-generators MGi and MGo are assigned to the elements, and one of the elements other than the element to which the output assigned is provided with brakes B. By braking the element other than the output with the brakes, a large reduction ratio can be achieved, so startability can be improved without enlarging the capacities of the motor-generators.

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