发明名称 |
SHROUD AND CYCLONIC CLEANING APPARATUS INCORPORATING SAME |
摘要 |
The invention provides a shroud (10; 40) for use in apparatus incorporating cyclonic dust separation means for separating dirt and dust from an airflow, the shroud (10; 40) comprising a perforated portion (14; 44) having a multiplicity of perforations (30; 46) for allowing the airflow to pass therethrough. According to the invention, the upstream edge of each perforation (30) meets the upstream surface (28) of the shroud (10) at a sharply defined angle. The invention improves the performance of the dust separation apparatus in conjunction with which the shroud (10; 40) is utilised.
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申请公布号 |
WO9619937(A1) |
申请公布日期 |
1996.07.04 |
申请号 |
WO1995GB03041 |
申请日期 |
1995.12.27 |
申请人 |
NOTETRY LIMITED;DYSON, JAMES |
发明人 |
DYSON, JAMES |
分类号 |
A47L9/00;A47L9/16;B04C5/26;B04C11/00;(IPC1-7):A47L9/16 |
主分类号 |
A47L9/00 |
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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