Blower or pump with vertically orientated shaft.

摘要

The invention relates to a blower or pump (1) with a rotor (11), with a rotor shaft (12) arranged essentially vertically during operation, with a housing (3) arranged below the rotor, in which housing are located a drive motor (13), shaft bearings (14, 15) and an oil sump (21), and with a discharge line (31) passing through the wall of the housing (3) for connection of a vacuum pump to the housing inner chamber (18); in order to avoid the risk of an oil deficiency in the motor and bearing chamber, it is proposed that the discharge line (31) and the oil sump (21) be directly connected to one another. ……