Schraubenspindelpumpe, mit einem Spindelgehäuse (2), in dem eine Antriebsspindel (3) und wenigstens eine mit dieser kämmende Laufspindel (4) in Spindelbohrungen aufgenommen sind, und mit einem das Spindelgehäuse (2) einhausenden Außengehäuse (5), an d...

It is intended to provide a vacuum pump so that without upsizing the vacuum pump, noise and vibration are reduced, heat dissipation property is secured, and the casing is downsized. Therefore, at least one turning part is provided in an exhausting path for...

The pump (2) has a housing (5) made of a drum (10) with a base (11) and comprising an open end (12) at a side turned toward the base. A cover (14) with a hole (20) for passage of a rotor shaft (7) is used at an open side, which is turned away from the base...