Cleaning and liquid contact with solids – Processes – Using solid work treating agents
Patent
1980-03-12
1982-06-22
Caroff, Marc L.
Cleaning and liquid contact with solids
Processes
Using solid work treating agents
1510406R, 151043R, 134 2212, B08B 904
Patent
active
043360742
ABSTRACT:
The bottom portion of a drain or sewer, partially filled with flowing liq, is cleaned by placing a cleaning member therein. The cleaning member rolls freely along the bottom portion of the sewer at a lower speed than the flowing liquid. The interior of the cleaning member contains a braking material and throttle structure which tend to reduce the rolling speed of the cleaning member. The cleaning member has an asymmetrical outer surface formed by a plurality of non-intersecting ribs which are asymmetrical with respect to all meridian planes defined by a plurality of rolling meridians along which the cleaning member can roll. This asymmetrical outer surface structure induces a corresponding asymmetric liquid flow around the cleaning member and downstream thereof; thereby laterally deflecting the downstream flow and suspended contaminants out of the rolling path of the cleaning member.
REFERENCES:
patent: 2258174 (1941-10-01), Chawner
patent: 2539354 (1951-01-01), Minyard
patent: 2668307 (1954-02-01), Preen
patent: 2951255 (1960-09-01), Nooy
Caroff Marc L.
Max-Planck-Gesellschaft zur Forderung der Wissenschaft e. V.
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