Motor pump aggregate for motor vehicle braking system has motor and pump that comprises shaft that is driven by motor and bearings of end of shaft are arranged in reception body that is provided with valves and connection channels

摘要

The aggregate (1) includes a motor (4) and a pump (3) that comprises a shaft (5) that is driven by the motor. The bearings (8) of the end of the shaft (15) are arranged in a reception body (2) that is provided with valves and connecting channels. The shaft drives displacement medium that is provided in a chamber (11) that can be filled with pressure medium. The end of the shaft runs into a clearance. The bearings separate the chamber from the clearance and a connection is provided between the chamber and the clearance.