Belt conveyor with belt parts carried by a gas

Details Belt conveyor with belt parts carried by a gas Belt conveyor with belt parts carried by a gas

1989-03-28

1991-01-15

Skaggs, H. Grant

Conveyors: power-driven

Conveyor section

Endless conveyor

B65G 1560

Patent

active

049846817

ABSTRACT:
In a belt conveyor, the belt parts are carried by a gas. Each belt run moves over a trough bottom with apertures allowing gas to enter between the trough bottom and the belt run to carry it with low friction. The invention, aiming at optimum operating conditions, proposes to draw in the gas from the environment by a compressor through the apertures for the return, non loaded run of the belt and to blow gas by the same or another compressor to the apertures in the trough bottom for the upper, loaded run of the belt and to choose the apertures for the lower run so that there are at least 2 and at most 40 per meter length of the belt and that the total surface area of these apertures is at least 1.5 cm.sup.2 and at most 20 cm.sup.2 per m.sup.2 belt surface area.

REFERENCES:
patent: 756600 (1904-04-01), Dodge
patent: 3583551 (1971-06-01), Barnish
patent: 3734271 (1973-05-01), Dolgolenko et al.
patent: 3744619 (1973-07-01), Dolgolenko et al.
patent: 3859923 (1975-01-01), Hamy
patent: 3889802 (1975-06-01), Jonkers
patent: 4185736 (1980-01-01), Jonkers
"Forderbander: Statt Tragrollen ein Luftfilm", by C. O. Jonkers, Fordern und Heben, vol. 22, No. 6, Apr./May 1972, pp. 291-385.

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