Patent ID: 8091660
Filing Date: 2012-01-10
Classification: B60K,B60L,B60Y,Y02T,Y10S

Abstract:
1. Hybrid traction system for the traction of a vehicle comprising an internal combustion engine, at least a first electric machine and at least a second electric machine, a first transmission element suitable for being connected mechanically to said internal combustion engine and to at least one of said electric machines, a second transmission element suitable for being connected mechanically to at least one of said electric machines and to wheels of the vehicle, a braking device suitable for allowing the transmission of mechanical power to the wheels of the vehicle only by the internal combustion engine through said first transmission element and said second transmission element, wherein said first transmission element comprises a drive shaft that can be connected mechanically to said internal combustion engine, satellite holder means of a planetary device, suitable for carrying a plurality of planetary gears, and a sun gear of said planetary device, said sun gear being connected to a shaft of a rotor of said first electric machine, said sun gear being suitable for engaging with said planetary gears, said second transmission element comprising a crown of said planetary device that is connected to a rotor of said second electric machine and to a gear connected mechanically to the wheels of the vehicle, said crown being suitable for engaging with said planetary gears; said second electric machine being externally concentric to said first electric machine.