Invention Grant
- Patent Title: Cooling fan impeller
- Patent Title (中): 冷却风扇叶轮
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Application No.: US12417650Application Date: 2009-04-03
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Publication No.: US08152474B2Publication Date: 2012-04-10
- Inventor: Ching-Bai Hwang , Zhi-Hui Zhao , Ran Lin
- Applicant: Ching-Bai Hwang , Zhi-Hui Zhao , Ran Lin
- Applicant Address: CN KunShan, Jiangsu Province TW Tu-Cheng, New Taipei
- Assignee: Furui Precise Component (Kunshan) Co., Ltd.,Foxconn Technology Co., Ltd.
- Current Assignee: Furui Precise Component (Kunshan) Co., Ltd.,Foxconn Technology Co., Ltd.
- Current Assignee Address: CN KunShan, Jiangsu Province TW Tu-Cheng, New Taipei
- Agency: Altis Law Group, Inc.
- Priority: CN200810066579 20080411
- Main IPC: B63H1/26
- IPC: B63H1/26 ; B63H7/02 ; B64C11/24 ; B64C27/46

Abstract:
An impeller of a centrifugal fan includes a hub and a plurality of blades arranged on and around the hub. Each of the blades includes a root portion and a tip portion. The tip portion of each of the blades has a concave surface and a convex surface in rear and front sides thereof respectively. In a rotational direction of the impeller, the tip portion of a rear blade protrudes towards a front blade.
Public/Granted literature
- US20090257883A1 COOLING FAN IMPELLER Public/Granted day:2009-10-15
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