Patent ID: 8167532
Filing Date: 2012-05-01
Classification: F04D,Y10S

Abstract:
1. A cowling comprising: a cover body having an accommodating space, a first opening communicated to the accommodating space, and a second opening communicated to the accommodating space and opposite to the first opening; an impeller disposed in the accommodating space; a shaft passing through the impeller and the cover body; at least two connecting parts extended from the cover body; and an empennage connected to the cover body through the connecting parts and facing to the second opening, wherein the empennage is planar, and the empennage and the shaft are located on a same plane, wherein the first opening extends outwardly from the cover body and includes an outer peripheral surface, a plurality of air-guiding elements are installed within the first opening along a longitudinal direction of the cover body to divide the first opening into a plurality of air inlets, each of the plurality of air-guiding elements having an outer side surface and an inner side surface, and the outer peripheral surface of the first opening is flush with the outer side surfaces of the plurality of air-guiding elements, wherein the first opening asymmetrically faces one side of the impeller relative to the shaft.