Patent ID: 7594757

Claim:
Machine with bearing lubrication, comprising a housing ( 2 ) and a rotor ( 5 ) which is provided on a shaft ( 6 ), provided in a rotatable manner in the housing ( 2 ) by oil-lubricated bearings ( 7 ), wherein, inside the housing ( 2 ), lubrication ducts ( 14 ) are provided to supply and discharge oil to and from the bearings ( 7 ), and further wherein cooling channels ( 21 , 15 ) are provided to supply and discharge a cooling agent, which cooling channels ( 21 , 15 ) open opposite to the shaft ( 6 ), in a place between the rotor ( 5 ) and a bearing ( 7 ) and wherein the cooling channels ( 21 , 15 ) are connected to the lubrication ducts ( 14 ) in one hydraulic circuit ( 29 ).