Air sifting apparatus having variable air supply
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Nov 16, 2006
app pub date -
May 11, 2006
filing date -
May 11, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An air sifting apparatus for dry preparation of material comprising an apertured sifted material carrier for receiving material from a material feed device. An air plenum is disposed below the carrier and is comprised of two chambers that are separated from one another and are disposed one after the other in the direction in which the material is conveyed by the carrier. Each chamber has an air inlet for receiving a constant partial air stream. Respective inlet conduits deliver a pulsating air stream to each chamber. The air plenum supplies an air stream that flows through the carrier to loosen and layer the material received thereby into a heavy material layer and a light material layer disposed on the heavy material layer. The air stream is composed of the constant partial air stream and the pulsating air stream.
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