公开(公告)号：WO2022207810A1

公开(公告)日：2022-10-06

申请号：PCT/EP2022/058608

申请日：2022-03-31

Applicant: DIVERSEY, INC.

Inventor： KELLER, Thomas ,  OBERHÄNSLI, Franz ,  FORSTER, Martin

IPC: A47L11/282 ,  A47L11/40 ,  A47L11/30 ,  A47L11/302 ,  A47L11/305 ,  A47L11/4016 ,  A47L11/4038 ,  A47L11/4041 ,  A47L11/4055 ,  A47L11/4058 ,  A47L11/4097

Abstract: It is described a floor cleaning apparatus (1) having an air suction unit (10) and an outlet channeling unit (30), which connects an outlet side of the suction unit (10) to an exhaust aperture (40). The air outlet channeling unit (30) includes various expansion chambers (31, 32, 34, 39) and respective air compression channels interposed among the expansion chambers. At the first expansion chamber (31) an intercepting wall (100) with through holes (101) may be present. According to further aspects, the cleaning unit associated to the apparatus (1) may use a suspension device (139), for example a pneumatic suspension device, suitable for transferring to the cleaning unit (50) a force directed upwards. According to further aspects, the cleaning unit includes side by side and offset cleaning discs (51, 52) with a presser device (54) active on the upper surface of each disc. In other aspects the cleaning unit provides for cleaner rollers mounted on the support framework (63) of the cleaning unit (50) thanks to a male component (113) and a female component (114) removably coupled to each other.