Motors: expansible chamber type – Miscellaneous
Patent
1986-03-17
1987-10-20
Hershkovitz, Abraham
Motors: expansible chamber type
Miscellaneous
91 27, 91415, 91448, F15B 1522
Patent
active
047006129
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
patent: 3858485 (1975-01-01), Rosaen
patent: 3943972 (1976-03-01), Bitonti
patent: 4106390 (1978-08-01), Kodaiva
patent: 4463656 (1984-08-01), Mattsson
Hershkovitz Abraham
Swiss Aluminium Ltd.
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