发明名称 Cooling fan dust guard
摘要 A cooling fan dust structure has provided on the end of the fan blade hood a recess that mutually forms an overcut height difference with a flange protruding from the peripheral of a motor base so to prevent the airflow carrying dust an easy ingression and even keep off the flying dust from entering into the spindle as the fan blade unit rotates.
申请公布号 US2003068238(A1) 申请公布日期 2003.04.10
申请号 US20010972632 申请日期 2001.10.09
申请人 HSIEH HSIN MAO 发明人 HSIEH HSIN MAO
分类号 F04D29/08;(IPC1-7):F04B35/04 主分类号 F04D29/08
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