Adjustable imbalance detector for a centrifuge

Details Adjustable imbalance detector for a centrifuge Adjustable imbalance detector for a centrifuge

1982-09-29

1984-06-19

Gill, James J.

Electricity: circuit makers and breakers

Special application

Change of inclination or of rate of motion responsive

73651, 73660, 200 6148, 200 6151, H01H 3514

Patent

active

044554613

ABSTRACT:
An imbalance detector for a centrifuge includes a pendulum arm that is tuned to a critical frequency that lies within a predetermined range of the critical frequency of the rotor of the centrifuge. An imbalance force imposed by the rotor is transmitted to the detector and if the imbalance force exceeds a predetermined threshold the arm contacts an electrical contact to generate an appropriate electrical signal.

REFERENCES:
patent: 2311855 (1943-02-01), Nelson
patent: 2895023 (1959-07-01), Blum
patent: 2974521 (1961-03-01), Phelps
patent: 3226016 (1965-12-01), Couper et al.
patent: 3333073 (1967-07-01), Ohlson
patent: 4099667 (1978-07-01), Uchida

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