The present invention relates to a powertrain for a motor vehicle comprising a thermal engine (10), a variable-speed transmission device (14) including an engine epicyclic gear train (26) with a sun gear (36) carried by a hollow shaft (42) and a crown gear (56) carried by a hollow shaft (62) surrounding hollow shaft (42) of the sun gear, the sun gear and the crown gear are each connected to shaft (12) of thermal engine (10) by a controlled clutch (28 and 30) and to a fixed part (48) of the vehicle by a one-way clutch (32 and 34), and a track (126 and 128) for motion transmission to a drive axle (16). According to the invention, the powertrain comprises a controlled connection (132) between the two hollow shafts (42 and 62).
POWER TRAIN WITH A VARIABLE-SPEED TRANSMISSION AND MOTOR VEHICLE OF HYBRID TYPE USING SUCH A POWER TRAIN
2017-11-16
Patent
Electronic Resource
English
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