Pre-separator for a vacuum cleaning device

摘要

A cleaning device has a suction assembly which is connected to a pre-separator (10) which can be placed under suction. The pre-separator has, at its base, a collection area (21) for separated materials and, at its upper end, a suction connection (30) and an inlet (32). The suction connection (30) is covered by a rotating disc with cut-outs, especially a rotating perforated plate (34).