Patent ID: 9458857
Filing Date: 2016-10-04
CPC Classification: F04D,H05K

Claim Text:
1. An electronic device comprising: a bottom wall of a chassis; and a cooling fan comprising a frame comprising a case and a cover covering the case and secured to the case; and wherein an air outlet is defined between the cover and the case; the cover defines an air inlet; the cover comprises a covering plate, the case comprises a bottom plate; the covering plate further defines a pressed portion, the pressed portion extends towards the bottom plate and communicates with the air inlet; a first air path is defined by the pressed portion, the air inlet, and the air outlet; and a second air path is defined by the air inlet and the air outlet; wherein the pressed portion extends from the covering plate; the pressed portion comprises a first guiding piece and two second guiding pieces, and the two second guiding pieces connect the first guiding piece to the covering plate; and the first guiding piece is substantially parallel to the covering plate.