发明名称 A BLOWER AND A CLEANER HAVING THE SAME
摘要 A blower and a cleaner having the same are provided to reduce a BPF(Blade Passing Frequency) noise by arranging a diffuser blade at irregular intervals along a circumference. In a blower, an impeller(40) rotates by a motor and has a plurality of impeller blades(41). A diffuser(60) is arranged on an external circumference of the impeller and has a plurality of diffuser blades(61a~61k). A plurality of the diffuser blades are arranged at irregular intervals along a circumference to reduce noise generated by an interaction of a plurality of the impeller blades and a plurality of the diffuser blades.
申请公布号 KR20070007631(A) 申请公布日期 2007.01.16
申请号 KR20050062379 申请日期 2005.07.11
申请人 SAMSUNG ELECTRONICS CO., LTD. 发明人 KIM, DONG WON;NA, SEON UK;LEE, BYOUNG IN;JOO, JAE MAN
分类号 F04D29/44;A47L9/22;F04D29/66 主分类号 F04D29/44
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