公开(公告)号：US20170020352A1

公开(公告)日：2017-01-26

申请号：US15278496

申请日：2016-09-28

Applicant: NILFISK-ADVANCE A/S

Inventor： Gianni AMISANI ,  Cesare BONDIOLI ,  Mauro DE FALCO

IPC: A47L9/20 ,  A47L9/22 ,  A47L9/12

CPC classification number: A47L9/20 ,  A47L5/362 ,  A47L9/10 ,  A47L9/122 ,  A47L9/22 ,  B01D46/2411 ,  B01D46/4272 ,  B01D46/521

Abstract: A dirt suction device comprises at least two filters (3, 4) which are arranged on/in a dirt suction device housing (I), are affected by an air stream from a fan (21), and include valves (26-34) for separately controlling the cleaning action of the filter, wherein during normal operation, the dirt-laden air stream passes through at least one filter from the untreated air side to the clean air side, and at least one of the valves is associated with each of the at least two filters, said valve switching over in the cleaning position such that the air stream in the filter is reversed and the dirt particles adhering to the untreated air side are removed, wherein the fan of the dirt suction device is arranged outside the dirt suction device housing.

Abstract translation: 吸尘装置包括布置在污物吸入装置壳体（I）上/内的至少两个过滤器（3,4），受到来自风扇（21）的空气流的影响，并且包括阀（26-34） 用于单独控制过滤器的清洁作用，其中在正常操作期间，含污物的空气流从未处理空气侧通过至少一个过滤器到清洁空气侧，并且至少一个阀与每个 所述至少两个过滤器，所述阀在清洁位置切换，使得过滤器中的气流反向，并且去除附着到未处理空气侧的污物颗粒，其中污物吸入装置的风扇布置在污物外部 抽吸装置外壳。