| 摘要 |
PROBLEM TO BE SOLVED: To restrain lowering of blowing efficiency of a fan.SOLUTION: A fan of an embodiment includes a fan case, a rotating body, a bearing part and a regulation part. The fan case includes a first wall part, a second wall part and a side wall part. The rotating body includes a shaft, blades and an abutment part, and rotates around the shaft. The bearing part supports the shaft. The regulation part is provided in the fan case in a state that the abutment part can abut thereon and separate therefrom, and regulates the movement of the rotating body to a direction of separating from the bearing part by abutting on the abutment part. The second wall part includes a cylinder part provided in the inner surface of the second wall part and opened in an end part thereof on a side opposite to the second wall part. The bearing part is provided inside the cylinder part. The abutment part is provided in the shaft at a position on the end part side of the bearing, projecting from a circumferential surface of the shaft. The regulation part is provided in the inner peripheral surface of the cylinder part. |
