US Patent 8248793 Electronic component having a movable louver

An electronic component includes a housing having an inlet section, a mid-section, and an outlet section, mounting components for mounting the housing within an electronics cabinet, at least one movable louver positioned in at least one of the inlet section, the mid-section, and the outlet section, an actuator configured to manipulate the at least one movable louver to vary a volume flowrate of airflow through the housing, and a controller configured to operate the actuator to one of substantially maintain an environmental condition change from the inlet to the outlet within a predetermined range and substantially restrict airflow through the housing when the electronic component is in a relatively low operational state.