Pumping device for pumping oil from a storage container to a transmission system of a motor vehicle

A pumping device (1) that pumps oil from an oil sump (8) of a motor vehicle (12) to a transmission (4) of the motor vehicle (12), the pumping device (1) comprising:

• an oil pump (7) coupled to the oil sump (8) of the motor vehicle (12), the oil pump (7) being selectively drivable to pump oil from the oil sump (8) of the motor vehicle (12) by one or both selected from the group of:
• (i) a mechanical direct drive (9) of the transmission (4), via a shaft (15, 54);
• and (ii) a switchable electric drive (10) of an electric motor (11), via a hollow shaft (16, 53),
• wherein:
• the oil pump (7) has a rotatable rotor (19) and a rotor part (20) movable relative to one another to effect pumping of the oil, the rotor part (20) being mounted rotatably with respect to the rotatable rotor (19), and oil feed elements (24, 25, 57, 58) for the rotor (19),
• the mechanical direct drive (9) of the transmission (4) is connected to the rotor (19) and the switchable electric drive (10) of the electric motor (11) is connected to the rotor part (20), and
• the rotor (19) is fastened on the shaft (15, 54) and the rotor part (20) is connected to the hollow shaft (16, 53), the hollow shaft (16, 53) arranged directly radially adjacent to and enclosing the shaft (15, 54) concentrically.