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    • 24. 发明授权
    • Vacuum filter cleaning device
    • 真空过滤器清洗装置
    • US08327487B2
    • 2012-12-11
    • US12358823
    • 2009-01-23
    • Michael P. KunzGregg L. SheddyKatherine E. Phelan
    • Michael P. KunzGregg L. SheddyKatherine E. Phelan
    • A47L3/00
    • A47L9/20A47L9/2842A47L9/2857B01D46/0075B01D46/46B01D46/521B01D2279/55
    • A vacuum may include a housing defining a suction inlet opening and a debris chamber in communication with the suction inlet opening, a suction device disposed in the housing for providing a vacuum pressure to the inlet opening, a filter disposed in an airflow path between the suction inlet opening and the suction device, and a motor driving a device for disengaging debris from the filter. The device for disengaging debris from the filter may include at least one finger disposed on a belt or a rake. The device for disengaging debris from the filter may include a vibration device that induces a vibration in the filter. A controller can allow electric current to actuate the device for disengaging debris from the filter. The controller can have a plurality of operational modes.
    • 真空可以包括限定吸入口和与吸入口连通的碎片室的壳体,设置在壳体中用于向入口开口提供真空压力的抽吸装置,设置在吸入口之间的气流路径中的过滤器 入口开口和抽吸装置,以及驱动用于将碎屑从过滤器分离的装置的马达。 用于将碎屑从过滤器分离的装置可以包括设置在带或耙上的至少一根手指。 用于将碎屑从过滤器分离的装置可以包括在过滤器中引起振动的振动装置。 控制器可以允许电流致动装置以使碎屑与过滤器脱离。 控制器可以具有多个操作模式。