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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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