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公开(公告)号：US10433695B2
公开(公告)日：2019-10-08
申请号：US15711428
申请日：2017-09-21
发明人： Du Hwan Hyun , Hwi Chan Jang , Dong Won Kim , Byoung In Lee , Sahng Jin Lee , Won Min Lee , Hyun Soo Jung , Seung Il Han
摘要： A robot cleaner enables a wet cleaning, has a replaceable cleaning unit, and ensures a sufficient friction force for doing a wet cleaning of a floor. The robot cleaner includes a frame including a wheel for driving, a replaceable cleaning unit formed at a lower part of the frame to clean a bottom surface and disposed in front of the wheel, a tank disposed at an upper part of the wheel and configured to supply fluid to the cleaning unit, a pump configured to pump the fluid contained in the tank such that the fluid contained in the tank is supplied to the cleaning unit, a hose configured to extend to the pump and the upper part of the cleaning unit and through which the fluid pumped by the pump flows, and a bumper formed on a side of the frame.
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公开(公告)号：US09795265B2
公开(公告)日：2017-10-24
申请号：US14075431
申请日：2013-11-08
发明人： Du Hwan Hyun , Hwi Chan Jang , Dong Won Kim , Byoung In Lee , Sahng Jin Lee , Won Min Lee , Hyun Soo Jung , Seung Il Han
CPC分类号： A47L11/4036 , A47L11/145 , A47L11/185 , A47L11/19 , A47L11/4041 , A47L11/4083 , A47L2201/00
摘要： A robot cleaner enables a wet cleaning, has a replaceable cleaning unit, and ensures a sufficient friction force for doing a wet cleaning of a floor. The robot cleaner includes a frame including a wheel for driving, a replaceable cleaning unit formed at a lower part of the frame to clean a bottom surface and disposed in front of the wheel, a tank disposed at an upper part of the wheel and configured to supply fluid to the cleaning unit, a pump configured to pump the fluid contained in the tank such that the fluid contained in the tank is supplied to the cleaning unit, a hose configured to extend to the pump and the upper part of the cleaning unit and through which the fluid pumped by the pump flows, and a bumper formed on a side of the frame.
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