发明名称 A filter assembly for a vacuum cleaner
摘要 A cleaning appliance comprises a main body (12, fig 1), including a motor and fan unit for generating an airflow, separating apparatus (100, fig 1) for separating dirt and dust from the airflow and a passageway 114 for receiving a filter 20. The passageway 114 and pre-motor filter 20 being located downstream of the separating apparatus (100, fig 1) and upstream of the motor and fan unit, and the filter 20 having an at least partially curved filter surface. The filter 20 is arranged around at least a part or the motor and fan unit is removable through a side of the appliance. The filter 20 is preferably removable through a wheel (14, fig 1) at the side of the appliance with a portion (151, fig 5) of the wheel being movable between sealed and open positions. The filter 20 is preferably a cylindrical filter than extends fully around the motor. The arrangement facilitates ease of removal of the filter from the cleaning appliance.
申请公布号 GB2453995(A) 申请公布日期 2009.04.29
申请号 GB20070020971 申请日期 2007.10.25
申请人 DYSON TECHNOLOGY LIMITED 发明人 STEPHEN BENJAMIN COURTNEY
分类号 A47L9/12;A47L5/36;A47L9/22 主分类号 A47L9/12
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