Patent ID: 8359863

Claim:
A micro-hybrid system ( 27 ) connected to an on-board electrical network (V+) of a heat engine ( 28 ) of a vehicle said system ( 27 ) comprising: two or more of starter-alternator devices ( 1 , 16 ) each mechanically and independently coupled to said heat engine ( 28 ); each of said starter-alternator devices ( 1 , 16 ) comprising a starter-alternator ( 3 , 17 ) and a reversible AC/DC converters ( 12 , 21 ) connected to said starter-alternator and to said on-board electrical network (V+); the torque and power characteristics of each of said starter-alternator devices ( 1 , 16 ) being less than necessary to start said heat engine ( 28 ); a sum of the torques and power characteristics of said starter-alternator devices being sufficient to start said heat engine.