Patent · US Active

Hybrid vehicle drive system

US8251164B2 · kind B2 · utility

7Cited by
18References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 5, 2009
Grant dateAug 28, 2012
Priority date
Expiry dateSep 22, 2030

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02N15/046
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A drive system is provided for a hybrid vehicle that has an engine with a crankshaft and a motor/generator having a shaft member. The drive system includes a starter sprocket connected for rotation with the shaft member and a crankshaft sprocket connected for rotation with the crankshaft. A chain is engaged with the starter sprocket and the crankshaft sprocket. A planetary gear set is configured to multiply torque of the motor/generator, with the multiplied torque being provided to the engine crankshaft via the sprockets and the chain to start the engine.

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