Patent ID: 8248022

Claim:
An electronic device, comprising: a computer server comprising: a frame comprising a first sidewall with a plurality of vents formed therein; and at least one fan and a heat source both received in the frame, each of the at least fan defining an air inlet facing the heat source, and an air outlet facing the first sidewall and substantially aligned with the vents, airflow produced by the at least one fan passing through the vents; and an energy recycling system comprising: a rotation assembly arranged in front of the first sidewall of the frame but spaced with a predetermined distance therebetween, the rotation assembly comprising a rotation shaft disposed substantially perpendicular to the direction of the airflow produced by the at least one fan, and a plurality of driven members formed on the rotation shaft, the plurality of driven members driven by the airflow to rotate the rotation shaft; and an electric generator coupled to the rotation shaft for converting the rotation of the rotation shaft into electrical energy.