Gas separation – With nonliquid cleaning means for separating media – With separating media pneumatically vibrated or flexed
Patent
1993-02-17
1993-12-21
Hart, Charles
Gas separation
With nonliquid cleaning means for separating media
With separating media pneumatically vibrated or flexed
55337, 55429, 55433, 55498, 55516, B01D 4604, B01D 4512
Patent
active
052717518
ABSTRACT:
When work processing equipment and more particularly floor sanding machines have means for drawing off dust, they are also fitted with a device for aspiration of the dust laden air and the collection of the dust. The device in accordance with the invention comprises a filter device, arranged in the flow path of the air, manufactured of an air permeable material retaining the dust so that dust-free air is released into the surroundings.
In the flow path upstream from the filter device there is a dust separator, which at the lower side thereof has a dust outlet opening and above the dust outlet opening has an air outlet opening facing the filter device. Underneath the dust outlet opening it is possible for a dust collecting container to be connected with the result that the separated dust drops under the effect of gravity into the container. It is convenient if the filter device delimits a filter chamber with a dust outlet opening on the lower side. The dust collecting container is arranged underneath the dust outlet opening. The connecting passage from the dust outlet opening to the container is provided with a valve device which may be moved between a closed operational position and an open cleaning position.
REFERENCES:
patent: 3113923 (1963-10-01), Bingham
patent: 3373545 (1968-03-01), Christianson
patent: 3895929 (1975-07-01), Iysky et al.
patent: 3920426 (1975-11-01), Tu et al.
Eugen Laegler GmbH
Hart Charles
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