Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1982-04-23
1984-04-24
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
134168C, 210294, B08B 302, B08B 904
Patent
active
044439083
ABSTRACT:
A sewer cleaning vehicle has a swilling or clean water tank for supplying a sewer cleaning hose having a sewer cleaning nozzle and designed to be lowered into a sewer to be cleaned, a waste tank and a pumping connection joining the waste tank with the swilling water tank. Furthermore, there is a water cleaning unit as part of a system for topping up the swilling water tank with water from the waste tank. For producing a high level of setling effect in the swilling water tank, this tank has generally upright separating walls for causing a division into a number of spaces placed hydraulically in series, the most upstream space being that joined up with the pumping connection. Each such space is joined up with the hydraulically next one by at least one let-through opening in the wall near the floor of the swilling water tank, the upstream side of each such opening being joined up with a flexible hose which, by way of a float is kept at the top of the water in the upstream one of the two spaces for skimming off cleaned water from the top of the space.
REFERENCES:
patent: 4132645 (1979-01-01), Bottomley et al.
patent: 4134174 (1979-01-01), Flynn et al.
patent: 4233706 (1980-11-01), Kauffeldt
patent: 4295244 (1981-10-01), Herpers et al.
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