Patent ID: 7170746

Claim:
A heat-emitting element cooling apparatus comprising: a heat sink including a base with a heat-emitting element to be cooled mounted on a rear surface thereof and a plurality of radiation fins provided at said base; and a fan unit arranged on said heat sink, for blowing air along at least said radiation fins to promote heat dissipation from said radiation fins; wherein said heat sink is so constructed that all or part of said radiation fins are located outside a contour of said base as seen from a side where said fan unit is arranged; said fan unit is so constructed as to blow the air along said all or part of said radiation fins located outside the contour of said base; said base has substantially a rectangular shape having a pair of first sides opposed each other in a width direction of said base and a pair of second sides opposed each other in a lateral direction of said base perpendicular to said width direction; said radiation fins are provided at a front surface portion on an opposite side of said rear surface of said base; said radiation fins are arranged to be substantially perpendicular to said base and substantially in parallel to one another in said width direction, being spaced at predetermined intervals; and said radiation fins respectively comprise a pair of extensions located outside said pair of second sides of said base.