Patent ID: 9664194
Date: 2017-05-30
CPC Classifications: F04D

Claim:
1. An apparatus for circulating air, comprising: a rotatable hub including a plurality of blades; a motor for rotating the hub; a controller for controlling the motor; and a housing for housing the motor and controller, the housing including at least one strategic path for directing liquid away from the motor and the controller, wherein the housing includes a first enclosure for enclosing the controller and a second enclosure separate from the first enclosure for enclosing the motor; wherein the housing includes a plurality of channels formed by pairs of upstanding, radially extending walls adapted for directing liquid contacting the housing in a radial direction, the housing further including a plurality of openings for ventilating the housing, each of the openings including a circumferential wall extending therefrom and configured to protect against the ingress of liquid into each of the openings; and wherein each of the circumferential walls is at least partially coextensive with at least one of the radially extending walls.