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公开(公告)号：US06432180B1
公开(公告)日：2002-08-13
申请号：US09911234
申请日：2001-07-23
IPC分类号： B01D4702
摘要： A filter assembly for a vacuum cleaner that includes a main housing having an inlet and an outlet. A motor moves air from the inlet to the outlet, and a first filter is arranged between the inlet and the outlet for filtering the air. An inner wall and an outer wall that is spaced apart from the inner wall form a cavity between the walls. The cavity is located between the first filter and the outlet. The inner wall has an inner opening that permits air to flow from the first filter into the cavity, and the outer wall has an outer opening. A back cover is removably secured to the outer wall over the outer opening to seal the cavity and guide the air from the cavity to the outlet. The back cover includes an access opening that is removably secured to the back cover over the access opening to seal the access opening. A filter cartridge is removably disposed within the cavity. The filter cartridge has a first side with a first opening and a second side opposite the first side and adjacent to the access cover with a second opening. The filter cartridge has a second filter, such as a HEPA filter, disposed therein between the first and the second openings for further filtering the air. A portion of the first side is in sealing engagement with a portion of the inner wall such that the first opening is aligned with the inner opening wherein the motor moves the air from the inner opening to the second opening.
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公开(公告)号：US06312508B1
公开(公告)日：2001-11-06
申请号：US09490708
申请日：2000-01-25
IPC分类号： B01D4702
CPC分类号： A47L9/122 , A47L5/365 , A47L9/182 , A47L9/188 , B01D46/0023 , B01D46/0035 , B01D46/008 , B01D46/10 , B01D46/2411 , B01D46/42 , B01D46/521 , B01D50/006 , B01D2253/102 , B01D2267/40 , B01D2279/55 , Y10S55/03
摘要： A filter assembly for a vacuum cleaner that includes a main housing having an inlet and an outlet. A motor moves air from the inlet to the outlet, and a first filter is arranged between the inlet and the outlet for filtering the air. An inner wall and an outer wall that is spaced apart from the inner wall form a cavity between the walls. The cavity is located between the first filter and the outlet. The inner wall has an inner opening that permits air to flow from the first filter into the cavity, and the outer wall has an outer opening. A back cover is removably secured to the outer wall over the outer opening to seal the cavity and guide the air from the cavity to the outlet. The back cover includes an access opening that is removably secured to the back cover over the access opening to seal the access opening. A filter cartridge is removably disposed within the cavity. The filter cartridge has a first side with a first opening and a second side opposite the first side and adjacent to the access cover with a second opening. The filter cartridge has a second filter, such as a HEPA filter, disposed therein between the first and the second openings for further filtering the air. A portion of the first side is in sealing engagement with a portion of the inner wall such that the first opening is aligned with the inner opening wherein the motor moves the air from the inner opening to the second opening.
摘要翻译： 一种用于真空吸尘器的过滤器组件，其包括具有入口和出口的主壳体。 电机将空气从入口移动到出口，并且第一过滤器布置在入口和出口之间以过滤空气。 与内壁间隔开的内壁和外壁在壁之间形成空腔。 空腔位于第一过滤器和出口之间。 内壁具有允许空气从第一过滤器流入空腔的内部开口，并且外壁具有外部开口。 后盖可拆卸地固定在外开口上的外壁上，以密封空腔并将空气引导到空腔到出口。 后盖包括进入开口，该进入开口可移除地固定在通过进入开口的后盖上以密封进入开口。 滤芯可移除地设置在空腔内。 过滤器滤芯具有第一侧面和第二侧面，第一侧面具有第一开口，第二侧面与第一侧面相反并且与第二开口相邻。 滤筒具有设置在第一和第二开口之间的第二过滤器，例如HEPA过滤器，用于进一步过滤空气。 第一侧的一部分与内壁的一部分密封接合，使得第一开口与内开口对准，其中马达将空气从内开口移动到第二开口。
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公开(公告)号：US06565637B2
公开(公告)日：2003-05-20
申请号：US10128107
申请日：2002-04-23
IPC分类号： B01D4702
CPC分类号： A47L9/122 , A47L5/365 , A47L9/182 , A47L9/188 , B01D46/0023 , B01D46/0035 , B01D46/008 , B01D46/10 , B01D46/2411 , B01D46/42 , B01D46/521 , B01D50/006 , B01D2253/102 , B01D2267/40 , B01D2279/55 , Y10S55/03
摘要： A filter assembly for a vacuum cleaner that includes a main housing having an inlet and an outlet. A motor moves air from the inlet to the outlet, and a first filter is arranged between the inlet and the outlet for filtering the air. An inner wall and an outer wall that is spaced apart from the inner wall form a cavity between the walls. The cavity is located between the first filter and the outlet. The inner wall has an inner opening that permits air to flow from the first filter into the cavity, and the outer wall has an outer opening. A back cover is removably secured to the outer wall over the outer opening to seal the cavity and guide the air from the cavity to the outlet. The back cover includes an access opening that is removably secured to the back cover over the access opening to seal the access opening. A filter cartridge is removably disposed within the cavity. The filter cartridge has a first side with a first opening and a second side opposite the first side and adjacent to the access cover with a second opening. The filter cartridge has a second filter, such as a HEPA filter, disposed therein between the first and the second openings for further filtering the air. A portion of the first side is in sealing engagement with a portion of the inner wall such that the first opening is aligned with the inner opening wherein the motor moves the air from the inner opening to the second opening.
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