Patent · US Active

Reconfigurable powersplit powertrain for an electric vehicle

US8740739B2 · kind B2 · utility

4Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 4, 2011
Grant dateJun 3, 2014
Priority date
Expiry dateFeb 9, 2032

Classification

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

Abstract

A powertrain includes a gearset including a sun gear, a carrier, a ring gear connected to a countershaft, pinions supported on the carrier and meshing with the sun gear and ring gear; a second gearset connectable to an engine, for overdriving a generator; a clutch for releasably connecting the engine and carrier; a second clutch for releasably connecting the sun gear and the generator; and a motor connected to a countershaft. Operation of the powertrain can be readily switched between powersplit mode and series mode.

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