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    • 8. 发明授权
    • Fan-and-filter unit
    • 风扇和过滤器单元
    • US08974585B2
    • 2015-03-10
    • US13261481
    • 2011-03-15
    • Reiner HartmannBernd LehnertStefan Schneider
    • Reiner HartmannBernd LehnertStefan Schneider
    • B01D46/46B01D46/00B01D46/10B01D46/42B01D46/44H05K7/20F24F11/00
    • B01D46/0086B01D46/10B01D46/4254B01D46/44B01D2273/30F24F11/39H05K7/20181
    • The invention relates to a fan-and-filter unit to be mounted in the wall of a switch cabinet or housing, and includes a fan unit inserted in a fan housing, a filter mat arrangement mounted upstream of the fan unit and a fan cover immobilizing the filter mat. An embodiment advantageous for operation of the fan-and-filter unit may be provided where the fan-and-filter unit has a filter mat monitoring unit which is designed to detect the service life and/or a degree of soiling of the filter mat arrangement and which includes an insert integrated into the fan housing or the fan cover and having an illuminated display visible from the exterior of the fan cover facing away from the fan unit and being designed to display at least exceeding of a predetermined or predeterminable service life and/or a predetermined or predeterminable degree of soiling.
    • 本发明涉及一种安装在开关柜或壳体的壁上的风扇和过滤器单元,并且包括插入风扇壳体中的风扇单元,安装在风扇单元上游的过滤垫装置和固定在风扇壳体上的风扇盖 过滤垫 可以提供有利于风扇和过滤器单元的操作的实施例,其中风扇和过滤器单元具有过滤垫监控单元,其被设计成检测过滤垫布置的使用寿命和/或污染程度 并且其包括集成到风扇壳体或风扇盖中的插入件,并且具有从风扇盖的外部可靠地背离风扇单元可见的照明显示器,并被设计成至少显示超过预定或可预定的使用寿命和/ 或预定的或可预定的污染程度。