Cooling lubrication system comprising a dry sump
A cooling lubrication system comprises a dry sump, an oil tank, and a pump system that operates an oil circuit in which an oil pump delivers oil from the dry sump into the oil tank, and the pump system comprises a vane cell pump and a gerotor pump on a shaft.
1. A cooling lubrication system comprising: a dry sump, an oil tank, and a pump system that operates an oil circuit in which an oil pump delivers oil from the dry sump into the oil tank, wherein the pump system comprises a vane cell pump and a gerotor pump on a shaft, wherein the gerotor pump is connected on a pressure outlet side to under-vane grooves in the vane cell pump and to a cooling for an electric machine.
2. The cooling lubrication system according to claim 1 , wherein the vane cell pump is of a double-flow design and comprises two independent suction points in the dry sump.
3. The cooling lubrication system according to claim 2 , wherein the double-flow vane cell pump comprises a first pressure outlet and a second pressure outlet starting from the under-vane grooves.