Patent ID: 6940719
Filing Date: 2005-09-06
Classification: H01L

Abstract:
1. A fan device, which is fastened to a radiator attached to a chip on a circuit board, comprising: a frame, having a facial side and providing a driving part with a joining surface and the driving part being disposed above the radiator; a fan blade part, being provided with a hub and a plurality of fan blades rotationally attached to the driving part for generating air current; and a plurality of locating parts, being joined to the facial side and the driving part; characterized in that each of the locating parts is elongated with a bowed end being fixedly attached to the joining surface of the driving part radially such that an elevation difference is formed between the facial side of the frame and the joining surface of driving part to create a circular space between the joining surface and the radiator for the air current being able to pass through the circular space and enter the central region of the radiator.