Apparatus for automatic level control in a closed channel or con

Details Apparatus for automatic level control in a closed channel or con Apparatus for automatic level control in a closed channel or con

1992-03-25

1994-11-01

Mitchell, David M.

Conveyors: fluid current

Having means for maintaining load in suspension along flow path

Including permeable member

406155, B65G 5318

Patent

active

053602978

ABSTRACT:
An apparatus having a closed channel or container for transporting and/or distributing fluidizable material includes an air- or gas-permeable wall arranged in the channel and forming a partition between an upper pathway for the fluidizable material and a lower flue to which is fed fluidizing gas from a gas source via a tube. An inlet is provided for feeding fluidizable material to the channel. The apparatus also includes one or more outlets for continual or intermittent run off of material from the channel, and a tube for ventilating the channel. The channel is equipped at its inlet with pipe stub extending into the upper pathway. An area defined under the pipe stub is inactive or is equipped with a separately arranged fluidizing wall with a separate gas feed.

REFERENCES:
patent: 1971853 (1934-08-01), Ihlefeldt
patent: 2740671 (1956-04-01), Sayre
patent: 2802698 (1957-08-01), Krauss
patent: 3056632 (1962-10-01), Isler
patent: 3870374 (1975-03-01), Wentzel, Jr. et al.
patent: 4279549 (1981-07-01), Hanrot et al.
patent: 4299683 (1981-11-01), Adorno et al.
patent: 4659263 (1987-04-01), Hanrot et al.
patent: 4692068 (1987-09-01), Hanrot et al.
patent: 4930691 (1990-06-01), Nagell

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