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    • 1. 发明专利
    • Dust suction device with self-cleaning of filters
    • 具有自动清洗过滤器的吸尘装置
    • JP2008296020A
    • 2008-12-11
    • JP2008141662
    • 2008-05-29
    • Guido Valentiniジュイド ヴァレンティーニGuido VALENTINI
    • VALENTINI GUIDO
    • A47L9/20A47L9/10A47L9/28B01D46/42B01D46/44B01D46/46
    • B01D46/0058A47L9/20B01D46/0067
    • PROBLEM TO BE SOLVED: To provide a dust suction device with two filters which are alternately automatically back-washed to improve the service life of the filter.
      SOLUTION: The dust suction device 1 includes a turbine 2, two filters 3, 4, an inlet chamber 5 containing the two filters 3, 4 provided with an air inlet and in communication with a depression chamber 7 which is in turn in communication with the inlet to the turbine 2, and an outlet chamber 8 in communication with the outlet from the turbine 2 and with the inlet chamber 5 and provided with an air outlet towards the outside environment. A first valve 11 which closes the inlet chamber 5 and the depression chamber 7 and a second valve 12 which closes the outlet chamber 8 and the inlet chamber 5 are installed so that an air flow from the inlet chamber 5 may pass through both filters 3, 4 during a suction step and an air flow from the outlet chamber 8 may pass through both filters 3, 4 during a filter cleaning step. The valves are controlled by solenoid coils 16, 17.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供具有两个过滤器的吸尘装置,其交替地自动反冲洗以提高过滤器的使用寿命。 吸尘装置1包括涡轮机2,两个过滤器3,4,包含两个过滤器3,4的入口室5,两个过滤器3,4设置有空气入口并且与凹室7连通, 与涡轮2的入口连通,以及与涡轮机2的出口和入口室5连通并且向外部环境设置有出气口的出口室8。 关闭入口室5和下压室7的第一阀11和关闭出口室8和入口室5的第二阀12被安装成使得来自入口室5的空气流可以通过两个过滤器3, 在过滤器清洁步骤期间,在抽吸步骤期间,来自出口室8的空气流可以通过两个过滤器3,4。 阀门由电磁线圈16,17控制。版权所有(C)2009,JPO&INPIT