Patent ID: 8422227

Claim:
An electronic device, comprising: a housing comprising a first side wall and a second side wall; a passage defined between the first and second side walls; a circuit board accommodated in the housing; a plurality of heat-generating elements mounted on the circuit board and positioned in the passage; a fan module secured on a same end of the first and second side walls for providing airflow along the passage to cool the heat-generating elements, the fan module comprising a first fan and a second fan arranged side by side; a bracket securing the fan module on the same end of the first and second side walls, the bracket defining a first opening corresponding to the first fan and a second opening corresponding to the second fan, respectively; and an air baffle pivotally connected to the bracket and located between the first opening and the second opening, the air baffle is positioned between the first and second side walls and divides the passage into a first passage corresponding to the first fan and a second passage corresponding to the second fan when the first and second fans are operating continuously, and the air baffle is rotated around the bracket and turned to close a corresponding opening corresponding to the failing fan upon the failure of one of the first and second fans to operate.