Combination gravity/pneumatic hopper bottom

Details Combination gravity/pneumatic hopper bottom Combination gravity/pneumatic hopper bottom

1980-06-25

1982-11-23

Nase, Jeffrey V.

Conveyors: fluid current

With diverse power-driven conveyor

Reciprocating or oscillating

406 90, 406130, 406134, 406138, 105282P, B65G 5340

Patent

active

043602959

ABSTRACT:
A bottom assembly for a hopper vehicle is adapted to permit safe pneumatic unloading as well as gravity unloading of a hopper. The bottom assembly includes a membrane mounted to be moved over and away from a hopper bottom opening, and sealing devices for insuring a secure seal for the hopper which can be easily set. A discharge manifold is connected to the hopper at a location spaced from the hopper bottom opening, and the hopper bottom opening is contained in a plane which is tilted with respect to the horizontal.

REFERENCES:
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patent: 2926963 (1960-03-01), Dorey
patent: 3020093 (1962-02-01), Dorey
patent: 3138117 (1964-06-01), Dorey
patent: 3182954 (1965-05-01), Borger
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patent: 3343886 (1967-09-01), Kemp et al.
patent: 3343887 (1967-09-01), McNamara
patent: 3397654 (1968-08-01), Snyder
patent: 3439957 (1969-04-01), Floehr
patent: 3451726 (1969-06-01), Nagy
patent: 3826203 (1974-07-01), Martin et al.
patent: 4057155 (1977-11-01), Deeks
patent: 4253400 (1981-03-01), Fischer et al.

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