发明名称 A FILTER ASSEMBLY
摘要 The invention provides a filter assembly (10;100;300;400) for use in a cleaning appliance having a first filter portion (14) and a deformable rim (12;112;312;412), the first filter portion being surrounded by the deformable rim. The first filter portion (14) consists of a non-woven medium. The filter assembly (10;100;300;400) further comprises a second filter portion (16) located downstream of the first filter portion (14). The first filter portion (14) and the second filter portion (16) are held directly adjacent one another by means of the deformable rim (12;112;312;412). The filter assembly (10;100;300;400) further comprises a third filter portion (18) located upstream of the first filter portion (14) and consisting of a mesh material. The first filter portion (14) and the third filter portion (18) are held directly adjacent one another by means of the deformable rim. The filter assembly (10;100;300;400) has a tab (28) located on a surface thereof, to facilitate removal of the filter assembly (10;100;300;400) from a filter housing or a vacuum cleaner.
申请公布号 CA2659531(C) 申请公布日期 2014.03.25
申请号 CA20072659531 申请日期 2007.07.16
申请人 DYSON TECHNOLOGY LIMITED 发明人 NORTON, BEN THOMAS;FREDERICKSON, JACQUELINE RUTH
分类号 B01D46/10;B01D46/00 主分类号 B01D46/10
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