Electropneumatic drive system for crust breaking devices and pro

Details Electropneumatic drive system for crust breaking devices and pro Electropneumatic drive system for crust breaking devices and pro

1984-04-23

1986-08-19

Garrett, Robert E.

Motors: expansible chamber type

Fluid supply through diverse paths to single expansible chamber

Position responsive

91 6, 91 32, 91415, 91448, F15B 1522

Patent

active

046062572

ABSTRACT:
The drive system for cells for fused salt electrolytic production of aluminum is supplied with compressed air via a compressed air network with compressor and compressed air reservoir. It comprises at least one working cylinder with piston and piston rod, a slide valve situated after the junction from the compressed air network, compressed air pipes and a microprocessor. During the thrust movement in the normal work cycle, the working cylinder forms a circuit together with a 5/2 channeling valve, a 3/2 channeling valve and the related compressed air pipelines; the said circuit is fed compressed air via a pressure reducing valve and the compressed air pipeline running from it. By briefly switching over the 5/2 channeling valve normal pressure can be employed and the positive chamber of the working cylinder evacuated, as a result of which the thrusting force supplied by the system can be greatly increased.

REFERENCES:
patent: 3000361 (1961-09-01), Delany et al.
patent: 3858485 (1975-01-01), Rosaen et al.
patent: 3943972 (1976-03-01), Bitonti et al.
patent: 4106390 (1978-08-01), Kodaira et al.
patent: 4463656 (1984-08-01), Mattsson

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