Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1995-04-04
1997-03-25
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15346, A47L 514, A47L 928
Patent
active
056132697
ABSTRACT:
In a recirculating type cleaner, a jet nozzle is provided within a dust collecting head formed in the bottom face of the housing, the after-flow air from the suction fan is supplied through a recirculating tube to the jet nozzle. In the after-flow of the fan is provided a branch valve which is controlled by a controller to set the air recircuration ratio at a desired value suitable for any cleaning mode.
REFERENCES:
patent: 1383455 (1921-07-01), Farnsworth
patent: 2064344 (1936-12-01), Good
patent: 2226630 (1940-12-01), McCord
patent: 2238541 (1941-04-01), Spagnolo
patent: 2592710 (1952-04-01), Kirby
patent: 3075227 (1963-01-01), Bowles
patent: 3268942 (1966-08-01), Rossnan
patent: 3694848 (1972-10-01), Alcala
patent: 4207650 (1980-06-01), Crise
Miwa Science Laboratory Inc.
Moore Chris K.
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