Patent ID: 7826940
Filing Date: 2010-11-02
Classification: B60K,B60L,B60W,Y02T,Y10S,Y10T

Abstract:
1. Method for fast setting in motion of a vehicle on an up slope and/or with a high load, said vehicle comprising a power transmission device comprising an electrical machine connected firstly to a heat engine via a clutch and secondly to a shaft of wheels, and a starting system connected to this heat engine and mechanically independent of the electrical machine, wherein said method comprises: increasing a torque of the electrical machine at a time when (i) the vehicle is stopped or moving at low speed, (ii) the heat engine is stopped, and (iii) a driver of the vehicle requests an acceleration, starting the heat engine by transmitting to this heat engine a breakaway torque, using the starting system connected to this heat engine and mechanically independent of the electrical machine, and once the heat engine has been started, allowing the heat engine to run through its first compressions in order to be autonomous, then cutting off the starting system.