Device for hydraulic conveyance of loose materials
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United States of America Patent
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Feb 12, 1991
Grant Date -
N/A
app pub date -
Feb 14, 1990
filing date -
Feb 14, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for hydraulic conveyance of loose materials comprises a toroidal chamber having an equatorial plane thereof set with respect to a horizontal plane at an angle (.alpha.) falling within a range of .phi.<.alpha.<90.degree., where .phi. is the angle of internal friction of the loose material, when saturated with the liquid used for hydraulic conveyance. The chamber is provided with pipes for charging the loose material and for discharging the liquid, both of the pipes being arranged on one side with respect to the meridianal plane, and a slurry discharge unit arranged on its other side.
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