Patent ID: 9062567
Filing Date: 2015-06-23
Classification: F01D,F04D

Abstract:
1. A fan comprising: a stationary portion; a rotating portion rotatably supported by the stationary portion; and a plurality of blades arranged on an outer circumference of the rotating portion to generate a flow of air by rotation of the rotating portion; wherein the stationary portion includes: the rotating portion includes: the bearing housing includes: the cylindrical portion includes, on an outer circumferential surface, at least one groove portion extending in an axial direction and arranged in a circumferential direction; and the at least one groove portion is joined to a region on a lower side of the protruding portion along a side of a connecting position between the cylindrical portion and the protruding portion such that a resin positioned on an upper side of the protruding portion as a portion of the base portion, a resin positioned on a lower side, and a resin existing in the at least one groove portion are all continuously provided with one another.