Hybrid drivetrain (10), having an internal combustion engine (12) which is designed for a maximum internal combustion engine rotational speed; a dual-clutch arrangement (20, 30; 50) which has a first friction clutch (20) and a second friction clutch (30), wherein the friction clutches (20, 30) have a common input element (38), coupled to the internal combustion engine (12), and in each case one output element (60, 62); a transmission arrangement (22, 32) which has a first sub-transmission (22) and a second sub-transmission (32), wherein the output element (60) of the first friction clutch (20) is connected to an input (26) of the first sub-transmission (22), and wherein the output element (62) of the second friction clutch (30) is connected to an input (36) of the second sub-transmission (32); an electric machine (40) which is or can be connected to the output element (62) of the second friction clutch (30) via a machine transmission ratio (iM), in such a way that a purely electric driving mode can be established via the second sub-transmission (32), wherein the electric machine (40) is designed for a maximum machine rotational speed. In this context, the maximum machine rotational speed divided by the machine transmission ratio is greater than the maximum internal combustion engine rotational speed, wherein the output element (62) of the second friction clutch (30) is structurally designed for the maximum machine rotational speed divided by the machine transmission ratio (iM).
HYBRID DRIVETRAIN AND METHOD FOR OPERATING THE SAME
14.07.2016
Patent
Elektronische Ressource
Englisch
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