Debris collecting apparatus

Details Debris collecting apparatus Debris collecting apparatus

1996-02-09

1998-06-23

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15344, 15409, A47L 518

Patent

active

057687439

ABSTRACT:
A clean fan debris collecting apparatus is disclosed in which the suction of debris is performed by an entrained stream of air (34). The apparatus comprises a motor (24) which drives an impeller (20) which generates at air steam which is directed down an air supply duct (6). The air stream is then directed into a collecting duct (4) through an air inlet (8) which is located adjacent to a collecting mouth (5) of the collecting duct. The air stream, upon entering the collecting duct (4) generates the entrained stream of air (34) which sucks debris into the collecting mouth (5) and transports it up the collecting duct (4) to a collecting bag (30). An air stream dispersing apparatus (26) is located adjacent to the air inlet (8) to disperse the air stream as it enters to collecting duct (4). This dispersion improves the efficiency with which the entrained stream of air can be generated. Alternatively the air inlet (8) can be formed to include the static air dispersing apparatus.

REFERENCES:
patent: 3704482 (1972-12-01), Brannon
patent: 5280667 (1994-01-01), Coathupe
patent: 5287586 (1994-02-01), Dentzau
patent: 5450649 (1995-09-01), Turnbull
patent: 5477585 (1995-12-01), Hentzschel et al.

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