Patent ID: 7826227

Claim:
A heat dissipation device, disposed in an electronic device, for performing thermal exchange with an electronic component of the electronic device, comprising: a heat sink, with one side attached on the electronic component, for conducting the thermal energy of the electronic component; a plurality of fluttering slices, disposed on the heat sink, wherein the fluttering slices are actuated to disturb the air inside the electronic device when the electronic device is moved, a combination block, disposed at the other side of the heat sink facing the electronic component, wherein the fluttering slices are arranged around the combination block; two opposite spanning portions extending at periphery of the combination block; and an actuating member, wherein the actuating member has a track and at least one ball, wherein the ball rolls in the track to actuate the fluttering slices to swing, and the track is spanned on the two spanning portions.