Patent ID: 8337351
Filing Date: 2012-12-25
Classification: B60K,F16H,Y02T

Abstract:
1. A hybrid power driving system comprising: a planetary gear mechanism having a planet carrier configured to retain a plurality of planetary gears, a sun gear of the planetary gear mechanism, and a ring gear of the planetary gear mechanism; an electric motor directly operatively coupled to the planet carrier; a clutch; an internal-combustion engine operatively coupled to the planet carrier through the clutch, the internal-combustion engine and the electric motor configured to provide a parallel-driving system and to provide separate power outputs to the planet carrier; a brake operatively coupled to the sun gear and configured to control the sun gear to operate in a locked position or in an unlocked position; and the ring gear operatively coupled to an output end to provide rotational power; wherein the electric motor provides starting power to the engine when the clutch is engaged and the sun gear is in an unlocked position.