System for automatically balancing a centrifuge in operation

Details System for automatically balancing a centrifuge in operation System for automatically balancing a centrifuge in operation

1989-01-13

1990-04-24

Simone, Timothy F.

Imperforate bowl: centrifugal separators

With condition responsive means

494 10, 494 19, 494 31, 494 82, B04B 914

Patent

active

049196464

ABSTRACT:
The system for automatically balancing a centrifuge in operation comprises a system for selectively displacing a mass of fluid inside at least one hollow horizontal tube (25) incorporated in the rotary arm (20), together with an unbalance measuring circuit (7 to 14) for the rotary arm (20) which may be out of balance. The unbalance measuring circuit (7 to 14) includes sensors (7) preferably disposed on the stand (23) of the centrifuge, circuits (8 to 14) for processing the signals delivered by the sensors in order to deliver alarm signals or signals for controlling rebalancing in the event that an unbalance is detected, and control means (4) for controlling said system for selectively displacing a mass of fluid, said control means responding to the rebalancing control signals delivered by the unbalance measuring circuit (8 to 14) in order to give rise to selective displacement in real time of a mass of liquid fluid inside said hollow horizontal tube (25), preferably in conjunction with the displacement of a free piston (6), thereby dynamically balancing the rotating arm (20) of the centrifuge.

REFERENCES:
patent: 4096988 (1978-06-01), Scuricini
patent: 4099667 (1978-07-01), Uchida
patent: 4157781 (1979-06-01), Maruyama
patent: 4295386 (1981-10-01), Zhivotov
patent: 4433592 (1984-02-01), Tatsumi et al.
patent: 4537177 (1985-08-01), Steere, Jr. et al.
patent: 4671940 (1987-06-01), Holen et al.
patent: 4700117 (1987-10-01), Giebeler et al.
1984 SID International Symposium Digest of Technical Papers, pp. 120-123, article by J. Eyth, Jr., entitled "8.4: A CGI Simulation Display in a High-G Environment".

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