Device for generating airflow in soundproof design for dust extractors

摘要

An especially underground dust collector 2 fan unit 1 to be assigned with respect to the individual areas all about sound insulation 15, 16 17, 18 secured. It has an intake silencer 6 with compensation chamber 20 and an outlet silencer, which is a power distributor 10, also associated with compensation chamber 20. The outlet silencer 7 has an enlarged cross-section, wherein it is subdivided into a plurality of through-flow channels 11, 12, 13, which are each completely covered by sound-deadening elements in the form of columnar components 30.