Invention Grant
- Patent Title: Centrifugal fan and fan frame thereof
- Patent Title (中): 离心风机及风扇架
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Application No.: US10889008Application Date: 2004-07-13
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Publication No.: US07220101B2Publication Date: 2007-05-22
- Inventor: Te-Fu Chen , Tsung-Yu Lei , Kuo-Cheng Lin , Wen-Shi Huang
- Applicant: Te-Fu Chen , Tsung-Yu Lei , Kuo-Cheng Lin , Wen-Shi Huang
- Applicant Address: TW Taoyuan
- Assignee: Delta Electronics, Inc.
- Current Assignee: Delta Electronics, Inc.
- Current Assignee Address: TW Taoyuan
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: TW93107229A 20040318
- Main IPC: F04D29/44
- IPC: F04D29/44

Abstract:
A centrifugal fan, comprising a frame and a first guide portion. The frame comprises a bottom portion and a curved wall connected thereto. The curved wall comprises an airflow inlet. The first guide portion disposed along the curved wall at the bottom portion comprises a beginning area, a middle area, and an ending area. The middle area connects the beginning and the ending areas, and the beginning area extends from the airflow inlet. The beginning area has a width less than that of the ending area, and the beginning area has a height greater than that of the ending area.
Public/Granted literature
- US20050207886A1 Centrifugal fan and fan frame thereof Public/Granted day:2005-09-22
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