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公开(公告)号：US09989073B2
公开(公告)日：2018-06-05
申请号：US15003231
申请日：2016-01-21
Applicant: LG Electronics Inc.
Inventor： Bonchang Hwang , Beomsoo Seo , Jihye Oh
CPC classification number: F04D29/666 , F04D29/281 , F04D29/667 , F04D29/681
Abstract: A centrifugal fan having improved efficiency and noise reduction includes a hub configured to have a central part combined with a rotary shaft, a shroud spaced apart from the hub, and a plurality of blades provided between the hub and the shroud. The shroud includes outer circumferential parts each connecting the trailing edges of a plurality of respective adjacent blades. Each outer circumferential part is asymmetrically formed based on the center of the outer circumferential part.
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公开(公告)号：US09827525B2
公开(公告)日：2017-11-28
申请号：US14597258
申请日：2015-01-15
Applicant: LG ELECTRONICS INC.
Inventor： Jihye Oh , Beomsoo Seo , Jihoon Jun
IPC: B01D50/00 , B01D46/42 , B01D46/00 , B01D46/48 , B01D46/10 , F24F13/28 , F28G1/02 , F28G15/00 , F24F3/16
CPC classification number: B01D46/0065 , B01D2279/50 , F24F3/1603 , F24F13/28 , F24F2003/1639
Abstract: An air conditioner is provided that includes a filter, a filter cleaning unit having a space formed therein to place foreign matter separated from the filter, a moving mechanism to make the filter cleaning unit move along the filter, the moving mechanism including a first gear having a closed loop section shape with gear teeth formed at at least one of an outside circumference or an inside circumference, a gear guide to guide the first gear to rotate while maintaining at least one linear portion, a second gear engaged with the first gear, a drive source to make the second gear rotate, a third gear engaged with the linear portion of the first gear, and a connection mechanism connected both to the third gear and the filter cleaning unit to make the filter cleaning unit move, thereby permitting to make the moving mechanism compact and enhancing reliability.
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公开(公告)号：US20160215793A1
公开(公告)日：2016-07-28
申请号：US15003231
申请日：2016-01-21
Applicant: LG Electronics Inc.
Inventor： Bonchang Hwang , Beomsoo Seo , Jihye Oh
CPC classification number: F04D29/666 , F04D29/281 , F04D29/667 , F04D29/681
Abstract: A centrifugal fan having improved efficiency and noise reduction includes a hub configured to have a central part combined with a rotary shaft, a shroud spaced apart from the hub, and a plurality of blades provided between the hub and the shroud. The shroud includes outer circumferential parts each connecting the trailing edges of a plurality of respective adjacent blades. Each outer circumferential part is asymmetrically formed based on the center of the outer circumferential part.
Abstract translation: 具有改进的效率和噪声降低的离心式风扇包括：毂，其配置成具有与旋转轴组合的中心部分，与轮毂间隔开的护罩，以及设置在轮毂和护罩之间的多个叶片。 护罩包括每个连接多个相应的相邻叶片的后缘的外圆周部分。 每个外圆周部分基于外圆周部分的中心不对称地形成。
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