Patent ID: 11953016
Assignee: KOKI HOLDINGS CO., LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  A | IPC F

Claim 12:
13. The blower according to claim 12, wherein the fan case has:
a large diameter portion, accommodating the motor, the motor holder, and the fan;
a cylindrical tip part, having a diameter smaller than a diameter of the large diameter portion, the cylindrical tip part having an opening disposed such that an axial line of the rotary shaft passes through the opening;
a tapered part, connecting the large diameter portion and the cylindrical tip part, the tapered part is tapered such that, in the axial direction, a diameter of the tapered part becomes smaller moving away from the large diameter portion;
wherein the first support part is integrally formed with the tapered part to be radially inside of the tapered part, the first support part protrudes inward from an inner peripheral surface of the tapered part.