| 摘要 |
<p>The bypass fan has a fan wheel contained in a fan housing formed in 2 or more parts and an electric motor (11) with a stator (47), a rotor (22), a rotor shaft (21) and a ventilator wheel (23). The fan housing part (13) adjacent the drive is fitted to the stator of the electric motor and incorporates air openings (43), while simultaneously acting as the housing (37) for the ventilator wheel, in which air channels (42) are provided.</p> |
