US Patent 7583498 Computer casing with a backside cooling CPU heat dissipating function

A computer casing includes a casing body and a housing covered onto the exterior of the casing body. The casing body constitutes a support framework of the computer casing and includes a sidewall disposed on an internal side of the casing body of the computer casing for erecting a computer panel. The sidewall includes a fan aligning portion having a plurality of ventilation holes. The fan aligning portion is disposed on the computer panel and at a position corresponding to the backside of a central processing unit (CPU) for installing a fan to assist the heat dissipation of the CPU.