Patent ID: 8152881

Claim:
A housing for a centrifugal fan, comprising: a bottom wall including an air inlet; and a surrounding wall extending upwardly from a periphery of said bottom wall, and including a surrounding wall body defining an opening, a protruding wall body extending outwardly from said surrounding wall body and corresponding to said opening in position, and a shielding plate, said protruding wall body including a dust-discharging hole, said shielding plate being disposed on said protruding wall body for shielding said dust-discharging hole, said surrounding wall body and said bottom wall cooperatively defining an accommodation space that is in fluid communication with said air inlet, and an air outlet in fluid communication with said accommodation space, said protruding wall body, said shielding plate, and said bottom wall cooperatively defining a turbulence space in fluid communication with said accommodation space, said shielding plate being movable between a closed position to close said dust-discharging hole, and an open position to open said dust-discharging hole so as to permit fluid communication between said turbulence space and the outside environment.