Patent ID: 7647851

Claim:
A propulsion power transmission device, comprising: a first interface for receiving and transmitting driving power; a second interface for receiving and transmitting driving power, said first and second interfaces being connected so that said first interface transmits the driving power to said second interface in a first operating mode, and said second interface transmits the driving power to said first interface in a second operating mode; a hydrodynamic clutch for switching between said first and second operating modes being mounted between said first and second interfaces, said hydrodynamic clutch comprising: a first working chamber; and a second working chamber, said first and second working chambers capable of being independently filled with and drained of a working medium in order to transfer torque from a first one of a plurality of primary wheels having a first set of blades to at least one secondary wheel having a second set of blades, said first and second sets of blades being arranged opposite each other; and a first gear train; and a second gear train, said first and second gear trains being mounted parallel to one another and in series with said hydrodynamic clutch, said second gear train causing a reversal in a direction of rotation in relation to said first gear train at said first or second interfaces, said first and second gear trains being respectively continuously connected to said first one of a plurality of primary wheels and said at least one secondary wheel, and said first and second gear trains being continuously connected to one of said first or second interfaces in a driving manner.