Patent ID: 11892194
Assignee: LG ELECTRONICS INC.
Field: Chemical engineering (Chemistry)
Classification: CPC F  B | IPC B  F

Claim 9:
10. The air cleaner of claim 8, wherein the blower fan comprises:
an inner hub coupled to the motor;
an outer hub that extends from a periphery of the inner hub and that is inclined upward from the inner hub;
a shroud that is spaced apart from the outer hub, the shroud having (i) the circular inlet defined at a center portion of the shroud and configured to receive air and (ii) the annular outlet defined between the outer hub and the shroud; and
a plurality of blades that extend downward from the outer hub and that are disposed between the outer hub and the shroud, and
wherein a distance between the housing and the bell mouth is greater than a distance between an inner circumferential end of the shroud and an inner circumferential end of the outer hub.