Suction bell for a mobile cleaning device, mobile cleaning assembly with such a suction bell and cleaning method

摘要

The dust removal unit has a base body (101) formed by an outer circumference adapted at an inner circumference of a hose filter opening. A ring seal (113) is attached on the outer circumference. The base body has a through hole (109) for a cleaning element (201). Another ring seal (121) is attached on the inner circumference of the through hole. Independent claims are also included for the following: (1) an extraction system for a mobile cleaning device; and (2) a method for cleaning up horizontally integrated hose filters.