Patent ID: 7063510
Filing Date: 2006-06-20
Classification: F04D,H01L

Abstract:
1. A slim-profile centrifugal fan comprising: a housing; a motor component supported in said housing, said motor component having a stator and a rotary section, furnished with a rotor magnet, rotative about a rotational axis; and an airflow-generating component fixed to said rotary section, said airflow-generating component having a disk portion centered on the rotational axis and defining an axial upper end of said airflow-generating component, a cylindrical portion extending down from the rim of said disk portion, a plurality of circumferentially evenly spaced posts projecting outward, orthogonal to the rotational axis, from the outer circumferential surface of said cylindrical portion and blades each fixed to a respective outer peripheral end of each of said posts, said airflow-generating component being configured so that, with the rotational axial height of said posts being d