发明名称 Fan assembly
摘要 A fan assembly includes a housing into which a base is disposed, the base having a tubular portion extending therefrom from which a projection extends, a motor mounted to the tubular portion, a bearing mounted to the projection and a fan blade device having a central hole defined therein so that the bearing is securely engaged with a periphery defining the central hole.
申请公布号 US5947704(A) 申请公布日期 1999.09.07
申请号 US19970941333 申请日期 1997.09.30
申请人 HSIEH, HSIN-MAO 发明人 HSIEH, HSIN-MAO
分类号 F04D25/06;F04D29/04;F04D29/059;(IPC1-7):F04B17/02 主分类号 F04D25/06
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