Dispensing – Fluid flow discharge – From movable trap chamber
Patent
1978-04-10
1979-08-28
Nase, Jeffrey V.
Dispensing
Fluid flow discharge
From movable trap chamber
406 67, B65G 5346
Patent
active
041658221
ABSTRACT:
A bucket wheel sluice comprises a housing having an inlet, an outlet, and a sluice wheel mounted for rotation therebetween. The wheel includes a plurality of elongated vanes extending parallel to the axis of rotation of the wheel, with the roots of said vanes being freely spaced from one another. An elastic sealing device, such as a length of resilient tubing, is located within the wheel in resilient engagement with the roots of said vanes to cover the spaces between the roots of adjacent ones of the vanes and cooperates with the vanes to provide a plurality of pockets around the wheel which receive material at the housing inlet and deliver it to the housing outlet as the wheel rotates. A stationary duct connected to a compressed air supply is interposed between the roots of the vanes and the elastic sealing device adjacent the housing outlet, and the duct includes air discharge apertures facing the roots of the vanes for forcibly expelling material from the region between the vanes at the housing outlet.
REFERENCES:
patent: 1777043 (1930-09-01), Lanhoffer et al.
patent: 2644724 (1953-07-01), Kronstad
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