| 摘要 |
<p>A ventilation unit includes an axial fan having an axis of rotation; an electric motor for driving the axial fan and comprising a casing, a cap coupled to the casing to form a sealed enclosure and an electronic control system at least partly housed in the enclosure; a shroud supporting the electric motor and having an outer frame for mounting the ventilation unit, an inner collar supporting the electric motor, a plurality of spokes for connecting the inner collar to the outer frame; a first spoke of the shroud comprises a compartment for housing at least one electronic component forming part of the electronic control system.</p> |
