Conveyors – chutes – skids – guides – and ways – Chutes – Spiral
Patent
1984-07-16
1986-08-05
Kashnikow, Andres
Conveyors, chutes, skids, guides, and ways
Chutes
Spiral
193 29, 414291, B65G 1106, B65G 1100, B65G 100
Patent
active
046037691
ABSTRACT:
In a grain elevator, grain mixed with dust is delivered near the top of a grain silo to the receiving orifice of a grain chute. The chute includes an enclosed conduit which extends from the top of the grain silo to its floor and deposits the grain in the silo without freely falling in the interior of the silo. The conduit has a tandem column series of vertically extending doors which are counter-balanced to be normally closed and which are opened by the weight of the grain in the conduit. The fall of the grain within the conduit separates the grain from the dust and the dust is removed by an exhaust fan connected to the conduit, the air flow being through the open bottom doors of the conduit, through the conduit, and out of the silo to a tube connected to a dust separator. In addition, the grain falls within the conduit and flows out of the doors which the grain column opens and which are immediately above the level of the grain already delivered into the silo, the other doors remaining closed.
REFERENCES:
patent: 483404 (1892-09-01), Steubner
patent: 939830 (1909-11-01), Haenke
patent: 1861976 (1932-06-01), Pardee
patent: 4306895 (1981-12-01), Thompson et al.
Bach Bert
Bach David
Burkhart Patrick N.
Gerber Eliot S.
Kashnikow Andres
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