Patent Number: 6,254,336

Title: Sirocco fan having an inclined cutoff

Abstract: A sirocco fan which reduces abnormal noise and improves air flow includes: a scroll 2 with an inlet wall 8 and a closed endwall 9, the inlet wall 8 having an inlet and the endwall 9 being opposed to the inlet wall 8; and an impeller 3 provided in the scroll 2, for suctioning and exhausting air, wherein a cutoff 7 of the sirocco fan 1 is inclined so as not to allow entire sections of a blade 10 of the impeller 3 to be simultaneously met entire sections of the cutoff 7 when the blade 10 of the impeller 3 passes through the cuttoff 7, thereby achieving stable air flow.

Inventors: Ahn; Cheol-O (Seoul, KR)

Assignee: LG Electronics, Inc.

International Classification: F04D 29/42 (20060101); F04D 029/66 ()

Expiration Date: 07/03/2018