Hybrid vehicle drive system
US8251164B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 5, 2009 |
| Grant date | Aug 28, 2012 |
| Priority date | — |
| Expiry date | Sep 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.