Patent ID: 9702611
Date: 2017-07-11
CPC Classifications: F24F,F25B,F25D

Claim:
1. A refrigerator comprising: at least one storage chamber including a recess in a substantially horizontal upper surface in the at least one storage chamber, the recess including horizontal support ribs; an evaporator configured to generate cold air to cool the at least one storage chamber; a cold air circulation fan configured to forcibly circulate the cold air generated by the evaporator; a defrosting heater configured to heat the evaporator to remove frost accumulated on the evaporator; a detachable sterilizer configured to sterilize and deodorize the inside of the at least one storage chamber; and a control unit configured to drive the sterilizer based on a humidity level in the refrigerator while repeatedly turning the cold air circulation fan on and off during a refrigerating cycle in which the defrosting heater is not operated, and configured to stop driving the sterilizer during operation of the defrosting heater such that the sterilizer is driven during a first period of a first humidity level and the defrosting heater is operated during a second period of a second humidity level, wherein the second humidity level is greater than the first humidity level.