Patent ID: 7423872

Claim:
An air shroud installed on a circuit board, the air shroud comprising: a) an outer housing having: i) an interior surface having a plurality of pillars extending downwardly toward the circuit board; ii) at least two side walls extending downwardly from the interior surface; and iii) an outer housing air exit located in a first side wall of the at least two side walls; and b) a plurality of fans located in an interior of the outer housing, each of the plurality of fans is connected to a top of each of a predetermined number of the plurality of pillars and has: i) a fan air entrance; and ii) a fan air exit corresponding with the outer housing air exit; wherein the inner surface of the outer housing is spaced apart from the circuit board, a passage being formed between the inner surface of the outer housing and the circuit board, the fan air entrance and the fan air exit communicate with the passage, air discharged by the fan through the fan air exit flows out of the outer housing through the outer housing air exit, wherein the plurality of fans are spaced apart from the interior surface of the outer housing and the printed circuit board by the plurality of pillars.