Patent ID: 6939105
Filing Date: 2005-09-06
Classification: F04D,F05D

Abstract:
1. A heat-dissipating fan comprising: a casing having a peripheral wall defining an air outlet and a side outlet, said side outlet connected to and in communication with said air outlet; a base mounted in the air outlet, an impeller being adapted to be mounted on the base and having a plurality of blades; and a plurality of guiding plates mounted in the air outlet of the casing, at least one of said guiding plates being arranged adjacent to said air outlet and having an inclination toward said side outlet, another of the guiding plates being aligned along a predetermined direction and extending in a direction having an inclining angle with respect to an axial direction of the air outlet, the guiding plates guiding airflow passing though the air outlet and increasing wind pressure of the air flow when the impeller turns.