ELECTRIC VEHICLE PROPULSION SYSTEM

• Main Authors: COUTURIER, Benoit, MARECHAL, Olivier
• Format: Patent
• Language: English
• Published: 14.10.2021
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; BLASTING; BRAKES; CLUTCHES; CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; COUPLINGS FOR TRANSMITTING ROTATION; DYNAMO-ELECTRIC MACHINES; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GENERATION; HEATING; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; LIGHTING; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; THERMAL INSULATION IN GENERAL; TRANSPORTING; VEHICLES IN GENERAL; WEAPONS

A propulsion system for an electric vehicle including a first electric propulsion motor comprising a stator and a rotor having a first output shaft able to rotate about a first axis, a second electric propulsion motor comprising a stator and a rotor having a second output shaft able to rotate about a second axis, a first reducer able to receive the torque supplied by the first electric motor, via a first selective or non-selective coupling system, this first reducer having a first reduction ratio, a second reducer able to receive the torque supplied by the second electric motor, via a second selective or non-selective coupling system, this second reducer having a second reduction ratio, a third coupling system, which may or may not be selective, for coupling the first output shaft and the second output shaft, and the first axis and the second axis not being coincident.