MANAGEMENT AND CONTROL METHOD OF THE GEAR CHANGE PHASES OF A VEHICLE FITTED WITH AN AUTOMATED MANUAL TRANSMISSION AND TRANSMISSION APPARATUS FOR VEHICLES FITTED WITH AUTOMATED MANUAL TRANSMISSION
A management and control method of the gear change phases of a vehicle fitted with a manual or automated manual transmission (16), comprising the steps of: - providing a vehicle having an endothermic engine (8) with relative crankshaft (26), and a manual or automated manual transmission (16) having...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A management and control method of the gear change phases of a vehicle fitted with a manual or automated manual transmission (16), comprising the steps of:
- providing a vehicle having an endothermic engine (8) with relative crankshaft (26), and a manual or automated manual transmission (16) having a clutch, a primary shaft (28) operatively connected to the clutch (24), and a secondary shaft (32) operatively connected to the drive wheels (36) of the vehicle, wherein the primary and secondary shafts (28, 32) are provided with gears (40) meshing with each other in a plurality of gears,
wherein the gear change comprises a first step of opening or disengaging the clutch (24) so as to disconnect the engine (8) from the primary shaft (28), a second step of engaging a new gear, keeping the clutch (24) disengaged, a third step of engaging the clutch (24) to reconnect the crankshaft (26) with the primary shaft (28) of the manual or automated manual transmission (16). Advantageously, the steps of preparing an electric machine (44) operatively connected to the primary shaft (28) by transmission means(48), said electric machine (44) being mechanically separate from the engine (8), and the actuation of the electric machine (44) during at least one of said gear change steps so as to supply torque to the secondary shaft (32) via the primary shaft (28) to counteract the reduction in speed of progress of the vehicle during said gear change, are provided for. |
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