AXIAL FAN DRIVE AND HUB ASSEMBLY FOR EVAPORATIVE COOLING EQUIPMENT

摘要

According to at least one exemplary embodiment, an axial fan drive and hub assembly is disclosed. The assembly can include a drive unit having a planetary gear arrangement, and a fan hub coupleable to the drive unit. A sun gear of the gear arrangement can be driven by an input shaft, while either the planet gear carrier or the ring gear may be selected to be the output. The assembly can thus facilitate rotating a fan in the same or the opposite direction of rotation as the input shaft. The drive unit can further be easily interchangeable with other drive units having different gear ratios.

主权项

1. An interchangeable system for varying the rotational speed and rotational direction of an axial fan, the interchangeable system comprising:
a fan hub, the fan hub comprising a recess; a casing, the casing being sized and shaped to be interchangeably disposed within said recess; and a gearing arrangement enclosed within said casing.