within a luftansaugkanals ordered radialventilatoreinheit

摘要

The ventilator unit has a motor driven blade wheel arranged in an air induction channel. The blade wheel floor (18) has an extension (23) which together with an air guide ring (24) combined with the blade wheel cover (17) forms an axially running flow channel section (25). The carrier plate (26) of the drive motor (21) is provided with air passage openings (27). USE/ADVANTAGE - Ventilator unit giving improved efficiency at low cost, having improved noise behaviour and reduced danger of clogging up