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公开(公告)号：US20130276262A1
公开(公告)日：2013-10-24
申请号：US13454251
申请日：2012-04-24
申请人： Melvin E. Wolfe , Randy L. Buss , Li H. Liu
发明人： Melvin E. Wolfe , Randy L. Buss , Li H. Liu
IPC分类号： A47L9/12
CPC分类号： A47L7/0071
摘要： A vacuum cleaner has a screen cage that is permanently attached to a lid that fits on a receptacle. The screen cage has multiple layers of screens with different screen sizes, including an inner support that has greater rigidity and larger apertures that the primary screen, and an outer screen that also has greater rigidity and larger apertures than the primary screen, and is made of a different material than the support. A replaceable filter mounts to a power head that can be removed from the lid while the lid remains attached to the receptacle, and nests in the screen cage. A thermal cutoff shuts the vacuum cleaner off when the temperature of air in a part of the flowpath exceeds a limit.
摘要翻译： 真空吸尘器具有永久地连接到安装在容器上的盖的屏幕保持架。 屏幕保护架具有多层不同屏幕尺寸的屏幕，包括具有较大刚性和较大孔径的内部支撑件，主屏幕和外屏幕还具有比主屏幕更大的刚度和更大的孔径，并且由 不同于材料的支撑。 可替换的过滤器安装到动力头上，可以在盖子保持连接到容器的同时将其从盖子上取下并嵌入到筛网笼中。 当流路的一部分空气温度超过极限时，热断路器关闭真空吸尘器。
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公开(公告)号：US08015661B2
公开(公告)日：2011-09-13
申请号：US11007414
申请日：2004-12-08
申请人： Mark E. Baer , Li H. Liu , Jonathan Miller
发明人： Mark E. Baer , Li H. Liu , Jonathan Miller
IPC分类号： A47L9/10
CPC分类号： A47L5/365 , A47L9/2873 , A47L9/2878 , A47L9/2884
摘要： A vacuum cleaner includes a tank having a bottom and an inlet for receiving debris, a motor assembly disposed adjacent to the tank, the motor assembly adapted to draw debris into the tank through the inlet, a battery pack disposed adjacent the bottom of the tank, and a connection from the battery pack to the motor assembly that is adapted to carry current between the battery pack and the motor assembly. The battery pack includes at least one battery and supplies power to the motor assembly.
摘要翻译： 真空吸尘器包括具有底部和用于接收碎屑的入口的容器，邻近所述罐设置的马达组件，所述马达组件适于通过所述入口将碎屑吸入所述罐中，邻近所述罐的底部布置的电池组， 以及从电池组到电动机组件的连接，其适于在电池组和电动机组件之间承载电流。 电池组包括至少一个电池，并向马达组件供电。
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公开(公告)号：USD581114S1
公开(公告)日：2008-11-18
申请号：US29266505
申请日：2006-09-22
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公开(公告)号：US08533906B2
公开(公告)日：2013-09-17
申请号：US13178245
申请日：2011-07-07
申请人： Li H. Liu
发明人： Li H. Liu
CPC分类号： A47L9/248 , A47L7/0004 , A47L9/1666 , A47L9/2889
摘要： A vacuum cleaner comprising a receptacle having a working air inlet and an associated filter, the filter in communication with and downstream from the working air inlet, is disclosed. The vacuum cleaner further includes a housing containing a motor and having a cooling air outlet from the motor and a working air outlet, the working air outlet in communication with the working air inlet of the receptacle through a working air impeller, wherein the cooling air is directed to the receptacle, and the cooling air passes through the filter before exiting the working air outlet of the housing.
摘要翻译： 公开了一种吸尘器，其包括具有工作空气入口和相关过滤器的容器，所述过滤器与工作空气入口连通和下游。 真空吸尘器还包括容纳马达并具有来自马达的冷却空气出口和工作空气出口的壳体，所述工作空气出口通过工作空气叶轮与所述容器的工作空气入口连通，其中所述冷却空气是 导向到容器，并且冷却空气在离开壳体的工作空气出口之前通过过滤器。
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公开(公告)号：US20110107547A1
公开(公告)日：2011-05-12
申请号：US12616290
申请日：2009-11-11
申请人： Li H. Liu
发明人： Li H. Liu
IPC分类号： A47L9/00
CPC分类号： A47L9/0009 , A47L9/009
摘要： The disclosed bracket can be used to hang vacuum cleaners that have a detachable dolly. A plate on the bracket mounts to a wall. A stem portion fits within a slot on the dolly. Lower wall segments on the stem portion extend from the wall plate and have vertical outer edges. Intermediate wall segments extend between the lower wall segments and upper wall segments that have lower horizontal limits that are closer together than the lower wall segments are, are positioned laterally outwards from the stem portion, and taper toward each other above their lower limits. Side rim portions extend from the upper wall segments and fit within grooves on the vacuum cleaner. The outer edges of the lower wall segments are farther apart than the inner edges of the side rim portions are, and closer together than the outer edges of the side rim portions are.
摘要翻译： 所公开的支架可用于悬挂具有可拆卸台车的真空吸尘器。 支架上的一块板安装在墙壁上。 杆部分装配在小车上的槽中。 杆部分上的下壁段从壁板延伸并具有垂直的外边缘。 中间壁段在下壁段和上壁段之间延伸，其具有比下壁段更靠近在一起的较低水平极限，从杆部分横向向外定位，并且在其下限之上彼此逐渐变细。 侧边缘部分从上壁段延伸并配合在真空吸尘器上的凹槽内。 下壁段的外边缘比侧边缘部分的内边缘远离边缘部分的外边缘更靠近在一起。
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公开(公告)号：US06557206B1
公开(公告)日：2003-05-06
申请号：US09685788
申请日：2000-10-10
申请人： Li H. Liu
发明人： Li H. Liu
IPC分类号： A47L900
CPC分类号： A47L9/00 , F16M11/041 , F16M13/02
摘要： A mounting assembly adapted to removably secure a vacuum cleaner to a support includes a mounting rack. The mounting rack has a surface located at its upper end that supports the vacuum cleaner in a suspended state. The mounting assembly also includes a retaining clip connected to the mounting rack. The retaining clip is movable between a first position and a second position. The retaining clip engages an outwardly extending portion of the vacuum cleaner in the first position, and disengages the outwardly extending portion in the second position.
摘要翻译： 适于将真空吸尘器可移除地固定到支撑件的安装组件包括安装架。 安装架具有位于其上端的表面，其支撑处于悬挂状态的吸尘器。 安装组件还包括连接到安装架的固定夹。 保持夹可在第一位置和第二位置之间移动。 保持夹在第一位置处接合真空吸尘器的向外延伸部分，并在第二位置脱离向外延伸的部分。
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公开(公告)号：US6110248A
公开(公告)日：2000-08-29
申请号：US143980
申请日：1998-08-31
申请人： Li H. Liu
发明人： Li H. Liu
CPC分类号： A47L9/127 , B01D46/0024 , B01D46/2414 , B01D46/521 , B01D2279/55 , Y10S55/03
摘要： A dual filter assembly for a vacuum cleaner includes an annular inner filter mountable on a filter cage of the vacuum cleaner. The inner filter has a lower end and a retaining ring is attached to the lower end. An annular outer filter is removably mounted surrounding the inner filter, with a lower end of the outer filter supported by the retaining ring.
摘要翻译： 用于真空吸尘器的双过滤器组件包括可安装在真空吸尘器的过滤笼上的环形内过滤器。 内部过滤器具有下端，并且保持环附接到下端。 环形外部过滤器可拆卸地安装在内部过滤器周围，外部过滤器的下端由保持环支撑。
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