Patent ID: 7600388
Filing Date: 2009-10-13
Classification: B01D,F25D,Y10S

Abstract:
1. A refrigerator comprising: a fresh food compartment; a freezer compartment; a machine compartment positioned adjacent the fresh food and freezer compartments, said machine compartment including a cover provided with a plurality of vents formed therein for allowing an airflow to enter the machine compartment from the surrounding room and to pass from inside the compartment to the surrounding room; a refrigeration system including a refrigeration component positioned within the machine compartment, said refrigeration component having an air intake and an air outlet; an air filter positioned adjacent the air outlet of the refrigeration component such that at least a portion of the airflow entering and passing through said machine compartment flows into the air intake of the refrigeration component, exits the air outlet of the refrigeration component, passes through said air filter and is directed out said plurality of vents; and a sensor located adjacent the air filter, said sensor detecting a parameter of the airflow passing through the air filter.