Patent ID: 7044202
Filing Date: 2006-05-16
Classification: H01L

Abstract:
1. A cooler for electronic devices comprising: a heat exchange element, a blower with a centrifugal type impeller, and an electric drive, wherein; (i) said heat exchange element comprising a central part with heat exchanging fins protruding out of said central part, and forming channels between adjacent fins for cooling air flow; (ii) said centrifugal type impeller located around at least part of said heat exchange element and comprising a shroud, connected to a hub placed on bearings secured on said central part of heat exchange element; (iii) said centrifugal type impeller having inner cylindrical space with open end faces to provide intake air through said fins channels from opposite axial directions; (iv) said electric drive comprising a magnetic rotor and stator; said magnetic rotor is secured to the centrifugal type impeller, said stator of the electric drive is fixed to said heat exchange element.