Cutlery
Patent
1973-12-03
1976-02-10
Blunk, Evon C.
Cutlery
34 60, 34221, 302 53, 432 58, B65G 5300
Patent
active
039375218
ABSTRACT:
The disclosure, for classification, is to a pressure vessel with fill valve admitting thereinto material to drop into a perforate diaphragm to be transferred, vacuum pulling in the material upon the perforate membrane or diaphragm, to upstand thereabove, the gas plenum below the diaphragm having activating gas inlet valve means communicating therewith and opened at intervals temporarily to break the vacuum. When a batch of material has been drawn in, the fill valve and the vacuum (and air break) valves are automatically closed, the activating gas inlet valve is opened to admit activating gas, as compressed air, to pass upwardly through diaphragm and activate the material to a highly flowable state. A discharge valve is then opened to let the pressurized material flow out through a discharge line to point of transfer. As the pressure in material plenum drops, the discharge valve is closed, the activating gas valve is closed, and a purge valve in a by-pass line, around the discharge valve, is opened, and residual pressure purges the residual material as this pressure falls substantially to atmospheric, for a succeeding cycle to begin. The disclosure is also to pressure vessels where the material drops onto the diaphragm via gravity when the fill valve opens, such vessels also being mounted on load cells equipped to emanate a pressure signal in correspondence with the weight of material admitted into the pressure vessel. Also, the disclosure is to pressure vessels equipped with circuitry controlled drier apparatus. Additionally, for all forms, variations of circuitry are shown whereby various steps may be controlled by at least one of pressure, time, level probe position, weight and limit switch position.
REFERENCES:
patent: 1538115 (1925-05-01), Hoving
patent: 2716289 (1955-08-01), Lauck
patent: 3355221 (1967-11-01), Reuter
patent: 3408746 (1968-11-01), Reynolds et al.
patent: 3425503 (1969-02-01), Bullivant et al.
patent: 3727985 (1973-04-01), Reuter
patent: 3776599 (1973-12-01), Reuter
Blunk Evon C.
Consolidated Engineering Company
Nase Jeffrey V.
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