发明申请
- 专利标题： Cooling fan
- 专利标题（中）： 冷风扇
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申请号： US11953732申请日： 2007-12-10
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公开(公告)号： US20090104031A1公开(公告)日： 2009-04-23
- 发明人: Ching-Bai Hwang , Zhi-Hui Zhao , Wen-Jie Zhang
- 申请人： Ching-Bai Hwang , Zhi-Hui Zhao , Wen-Jie Zhang
- 申请人地址： CN Shenzhen City TW Tu-Cheng
- 专利权人： Fu Zhun Precision Industry (Shen Zhen) Co., Ltd.,Foxconn Technology Co., Ltd.
- 当前专利权人： Fu Zhun Precision Industry (Shen Zhen) Co., Ltd.,Foxconn Technology Co., Ltd.
- 当前专利权人地址： CN Shenzhen City TW Tu-Cheng
- 优先权： CN200710123988.0 20071019
- 主分类号： F01D1/02
- IPC分类号： F01D1/02
摘要：
A cooling fan includes a frame (100) and an impeller (200) having a plurality of blades (240) disposed in the frame (100). The frame (100) has a cap (120) with an air inlet (122), a base (140) and a sidewall (160) extending from a periphery of the base (140) with an air outlet (180) defined therein. The cap (120) is mounted on the sidewall (160) with a chamber formed between the cap (120), the base (140) and the sidewall (160). A curved tongue portion (190) is formed on the sidewall (160) in vicinity of the air outlet (180). A protrusion (124) is formed on the cap (120) in vicinity of the curved tongue portion (190) and protrudes into the air inlet (122).
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