发明名称 Axial-flow fan and projector provided with the same
摘要 An axial-flow fan has a plurality of main fins, and auxiliary fins provided between the main fins, where the position of a front end of the auxiliary fin relative to X axis and the position of a front end of the main fin adjoining the auxiliary fin in reverse-rotary direction are aligned, the height of the auxiliary fin is approximately three fourths of the height of the main fin, and the cross sections of the main fin and the auxiliary fin taken along the axial direction of the main shaft are streamlined.
申请公布号 US2005019165(A1) 申请公布日期 2005.01.27
申请号 US20030603741 申请日期 2003.06.26
申请人 SEIKO EPSON CORPORATION 发明人 FUJIMORI MOTOYUKI;KITAMURA MASAKAZU;HASHIZUME TOSHIAKI
分类号 F04D29/32;F04D29/54;F04D29/66;G03B21/16;(IPC1-7):F04D29/66;B64C27/46;F04D29/38 主分类号 F04D29/32
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