| 摘要 |
The suction apparatus (1) comprises an operating handle (2), a machine body (3) equipped at one end (4) with at least one mouthpiece (4) fitting of a concurrent end of a suction pipe (12), or of an accessory (8), operating handle (2) that leads away from said machine body (3); between said machine body (3) and operating handle (2) there is interposed first articulated joint means (9) for angular operating of said operating handle (2) in relation to said machine body (3); the suction apparatus (1) further comprises a filtering body (101) equipped with inlet means (103) of air flows to be filtered full of impurities and/or humidity and of outlet means (104) of filtered air flows, storage means (116) of filtered impurities and/or humidity, a filtration path (B, C, D, E, F, G, H) that connects said inlet means (103) with said storage means (116) and with said outlet means (104), separating said impurities and humidity from said air flows, said storage means (116) is equipped with automatic blocking means (118) of said path (B, C, D, E, F, G, H) in the presence of preset volumes of accumulated humidity. |
