Dual-function cargo discharge apparatus

Details Dual-function cargo discharge apparatus Dual-function cargo discharge apparatus

1981-12-02

1984-01-31

Spar, Robert J.

Dispensing

Automatic control

Constant weight, volume or pressure control by output

222461, 222545, 222559, 277 34, 105247, 105280, 198532, 414144, B65G 6502

Patent

active

044285043

ABSTRACT:
In a self-unloading vessel having hoppers with discharge outlets for discharging either lump or pulverulent material onto an unloading conveyor, discharge apparatus includes a wheeled carriage supporting two separate gate assemblies thereon and movable to bring one or the other of the gate assemblies into discharge relationship with the hopper outlet. One gate assembly includes a horizontally sliding gate which is driven between open and closed positions by a drive cylinder. The other gate assembly includes fluidized bed airslide apparatus for directing pulverulent material to a discharge passage closed by a butterfly valve. Two embodiments are disclosed. In one a separate drive cylinder is provided for moving the carriage between its two positions along associated rails. In the other the one gate can be releaseably pinned to the other gate assembly. The relative positions of the two gate assemblies are reversed in the two embodiments.

REFERENCES:
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patent: 3927758 (1975-12-01), Greyor
patent: 3940152 (1976-02-01), Fournier
patent: 3990588 (1976-11-01), Dibben
patent: 3997089 (1976-12-01), Clarke et al.
patent: 4004700 (1977-01-01), Empey

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