Fan guard assembly and outdoor unit having the same

An outdoor unit, comprising:

• a cabinet;
• a bell mouth provided in the cabinet;
• a fan guard provided at an outlet of the bell mouth and including a hub having a cup shape with a base of the cup shape forming a center of a front surface of the fan guard and being continuous so that air does not pass through the center, and sides of the cup shape extending from the base so that the cup shape forms an insertion space inside the hub;
• and
• a fan motor assembly including a motor that is at least partially inserted into the insertion space and fixed to the hub, wherein
• the fan guard includes a rib connecting the hub and the cabinet,
• the fan motor assembly includes a blower fan driven by the motor,
• a height of the rib increases outwardly from the hub, and
• the rib includes:
• a first surface corresponding to a position where the rib is connected to the hub, and
• a second surface corresponding to a tip of a blade of the blower fan,
• wherein the first surface has a height of 0.02 to 0.09 times a distance L from a center of the hub to the tip of the blade, and the second surface has a height of 0.04 to 0.2 times the distance L.