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1. 发明申请

WO2009024917A2 SUCTION UNIT AND AUTONOMOUS VACUUM CLEANER 审中-公开
标题翻译：吸油机和自动真空清洁机
公开(公告)号：WO2009024917A2
公开(公告)日：2009-02-26
申请号：PCT/IB2008053304
申请日：2008-08-18
申请人： KONINKL PHILIPS ELECTRONICS NV , DEKKERS JEROEN , RUIJL THEO A M , REIJNDERS SILVESTER M , VAN EIJK JAN , VROOMEN HUBERT G J J A , WARMERDAM THOMAS P H , RIJS ROBERTUS M G
发明人： DEKKERS JEROEN , RUIJL THEO A M , REIJNDERS SILVESTER M , VAN EIJK JAN , VROOMEN HUBERT G J J A , WARMERDAM THOMAS P H , RIJS ROBERTUS M G
IPC分类号： A47L9/00 , A47L9/02 , A47L9/28
CPC分类号： A47L9/02 , A47L5/04 , A47L9/0072 , A47L9/009 , A47L9/2821 , A47L2201/00
摘要： The invention relates to a suction unit and a vacuum cleaner. The suction unit comprises a drive system for driving the suction unit on a surface to be treated; a chassis supporting the drive system; a nozzle for removing particles from a surface to be treated, which nozzle is configured to move with relation to the chassis in a direction away from the surface to be treated, the nozzle having an interior space defining an opening that faces the surface to be treated; and an outlet communicating with the interior space, the outlet being arranged for communication with a fan unit during operating conditions. The suction unit further comprises coupling means for coupling the nozzle to the chassis, wherein the coupling means is arranged to exert a force that is directed away from the surface to be treated when the underpressure in the interior space increases. In this manner the problem of the suction unit getting stuck on the floor can be overcome or at least reduced. Furthermore, the traction of the drive system can be improved. An autonomous vacuum cleaner according to the invention comprises such a suction unit and further comprises a dust chamber, and a fan unit that communicates with the dust chamber. The fan unit communicates with the outlet for creating an underpressure in the interior space of the nozzle during operating conditions.
摘要翻译：本发明涉及抽吸单元和吸尘器。抽吸单元包括用于在被处理表面上驱动抽吸单元的驱动系统; 支撑驱动系统的底盘; 用于从待处理表面去除颗粒的喷嘴，该喷嘴构造成在远离待处理表面的方向上相对于底架移动，喷嘴具有限定面向被处理表面的开口的内部空间 ; 以及与所述内部空间连通的出口，所述出口布置成用于在操作条件期间与风扇单元通信。抽吸单元还包括用于将喷嘴联接到底架的联接装置，其中联接装置布置成当内部空间中的负压增加时施加远离被处理表面的力。以这种方式，可以克服或至少减少吸入单元卡在地板上的问题。此外，可以提高驱动系统的牵引力。根据本发明的自主真空吸尘器包括这样的抽吸单元，还包括灰尘室和与灰尘室连通的风扇单元。风扇单元与出口连通，以在操作条件下在喷嘴的内部空间中产生负压。

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