Patent ID: 7332698

Claim:
A microwave oven comprising: a main body casing comprising: a component compartment, a cooking compartment, a component compartment through portion communicating with the component compartment, a cooking compartment through portion communicating with the cooking compartment, and a discharging part to discharge air in the cooking compartment through the cooking compartment through portion; a fan assembly provided in the main body casing, comprising: a supplying fan introducing cooling air to the component compartment through portion to cool the component compartment, a discharging fan introducing the air in the cooking compartment to the discharging part through the cooking compartment through portion, and a fan motor between the supplying fan and the discharging fan to operate the supplying fan and the discharging fan; and an interfering part provided in the main body casing to interfere with the fan assembly when at least one of the supplying fan and the discharging fan is not in a predetermined position corresponding to the component compartment through portion and the discharging part, wherein the interfering part protrudes from a portion of the main body casing closest to the fan assembly.