Hybrid propulsion system comprising shiftable clutches provided for a motor vehicle

A hybrid drive for a motor vehicle with a drive train (1) comprising an internal combustion motor (2) for driving a vehicle transmission (3) with changeable gear ratios, the hybrid drive having a first electric machine (4) located in a drive flow path between the internal combustion motor (2) and the vehicle transmission (3) and the hybrid drive further having a second electrical machine (6) also located in the drive flow path between the internal combustion motor (2) and the vehicle transmission (3), and first and second clutches (7, 8) being respectively located between the first and second electrical machines (4, 6) and the internal combustion motor (2), and the first and second electric machines (16) can be driven as a motor and as a generator;

• wherein the second electrical machine (6) is permanently connected with a transmission input shaft (5) to rotate therewith;
• and
• wherein the first electrical machine (4) is connected with a hydraulic pump (10) of the vehicle transmission (3), the hydraulic pump (10) is located between the first clutch (7) and the first electrical machine (4), whereby the hydraulic pump (10) can be one of mechanically driven by the internal combustion motor (2) and electrically driven by the first electrical machine (4).