Automatic pneumatic feeder

Details Automatic pneumatic feeder Automatic pneumatic feeder

1982-12-10

1985-02-26

Nase, Jeffrey V.

Conveyors: fluid current

With means to control conveying fluid or movement of load in...

Control of conveying fluid

406109, B65G 5328

Patent

active

045015180

ABSTRACT:
A pneumatic material transference apparatus consisting of a closed hopper having a material inlet pipe at the top, a material outlet pipe at the bottom ending in a discharge chamber and a pneumatic operating system consisting of a valve chamber operatively connected to a control pipe, the upper end of which opens into the top of the hopper, the valve chamber having two valve seats, a valve disc associated with each valve seat, the valve discs being connected to each other by a valve stem such that when one disc is closed, the other one is open, a pressurized air supply chamber in cooperation with one of the valve discs and a vacuum chamber in cooperation with the other of the valve discs, an induction throat between the pressurized air supply and the discharge chamber, and a nozzle within the induction throat having an opening within the vacuum chamber.

REFERENCES:
patent: 3372958 (1968-03-01), Black
patent: 3403941 (1968-10-01), Solt
patent: 3861830 (1975-01-01), Johnson
patent: 4089563 (1978-05-01), Neu
patent: 4168864 (1979-09-01), Weeks
patent: 4278367 (1981-07-01), Jacobson

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