Patent ID: 6375418
Filing Date: 2002-04-23
Classification: F04D

Abstract:
A cooling apparatus comprising:a heat sink including a base formed into a contour having a plurality of sides which include a first side and a second side defined so that an angle therebetween is about 90 degrees; said heat sink also including a side wall defined so as to be raised from said base and continuously extend along at least said first and second sides; and a fan unit mounted on said heat sink while being arranged on a side of said heat sink on which said side wall is raised; said fan unit including an impeller provided with a plurality of blades, a motor including a housing, a revolving shaft and a rotor fixed on said revolving shaft and arranged so as to rotate said impeller mounted on said rotor, a casing provided with an opening in which said impeller and motor are received, and a plurality of webs for connecting said housing of said motor and said casing to each other therethrough so as to position said motor at a central portion of said opening; said side wall of said heat sink and said casing of said fan unit cooperating with each other to provide an air discharge port at a position corresponding to at least one side of said base opposite to said first and second sides while being combined with each other; said air discharge port being constructed so as to permit air sucked through said opening to be discharged therethrough.