Title:
CENTRIFUGAL FAN
Document Type and Number:
WIPO Patent Application WO/2017/052239
Kind Code:
A1
Abstract:
The present invention relates to a centrifugal fan. The centrifugal fan according to one aspect comprises: an impeller for suctioning or discharging air; a motor for rotating the impeller; a housing accommodating the impeller, and having an inlet through which the air is suctioned and an outlet through which the air is discharged by the rotation of the impeller; and a cutoff part formed at one side of the outlet, wherein a flow cross-sectional area of the air flowing inside the housing gradually increases from the cutoff part toward the outlet along a flow direction of the air, and the distance in the rotary axis direction of the impeller from the bottom surface part of the impeller to the inner circumferential surface of the housing increases gradually, at least partially, from the cutoff part toward the outlet along the flow direction of the air.
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Inventors:
SONG KIWOOK (KR)
KIM JINSOO (KR)
CHOI DONGWOOK (KR)
KIM JINSOO (KR)
CHOI DONGWOOK (KR)
Application Number:
PCT/KR2016/010602
Publication Date:
March 30, 2017
Filing Date:
September 22, 2016
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
F04D29/28; F04D17/08; F04D29/42
Foreign References:
| KR100619790B1 | 2006-09-06 | |||
| KR20030063901A | 2003-07-31 | |||
| JPH05231379A | 1993-09-07 | |||
| US6050772A | 2000-04-18 | |||
| KR20020026045A | 2002-04-06 |
Attorney, Agent or Firm:
KIM, Ki Moon (KR)
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