Air filter
An air filter, filter technology, applied in the direction of suction filter, filter cleaning device, etc., can solve problems such as obstruction, filter element blockage, filter operation shutdown, etc.
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[0022] figure 1 A vacuum cleaner 1 according to the invention is shown, designed here as a household floor vacuum cleaner. The vacuum cleaner 1 has a suction nozzle 17 , a filter chamber 16 with an air filter 2 and a fan 19 . During the cleaning process of the floor surface, aspirated matter is sucked into the filter chamber 16 by means of the fan 19 through the suction nozzle 17, and the aspirated matter is filtered in the filter chamber by means of the air filter 2, so that only filtered clean air reaches the fan 19 and exhaust to the surrounding environment. The air filter 2 is hereafter designed as a backwashable air filter 2 .
[0023] figure 2 A first embodiment of a back-flushable air filter 2 is designed. A partial area of a filter chamber 16 of a vacuum cleaner 1 is shown, which has a first housing subarea 20 and a second housing subarea 21 which are joined together interconnected in area 22. Arranged in the filter chamber 16 is a back-flushable air filter 2 ...
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