Centrifuges

Details Centrifuges Centrifuges

1974-04-19

1976-09-21

Dobeck, B.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

233 24, 233 26, 318327, H02P 516

Patent

active

039821625

ABSTRACT:
An analytical centrifuge to receive a plurality of different rotors each carrying a track with a segment having a light reflective property distinct from adjacent regions of the track and having a length along the track which is related to the maximum desired speed of the rotor, the centrifuge having optical sensing means for sensing said segment and a time comparator for comparing the duration of the signal obtained by the sensing means in each rotor revolution with a fixed time to sense when the maximum desired speed is reached. Analytical rotors also carry a further track having distinct segments corresponding to respective compartments of the rotor and which are optically sensed to provide in conjunction with the signal obtained from the first-mentioned segment gating signals for examining selectable compartments of the rotor one-by-one.

REFERENCES:
patent: 3292068 (1966-12-01), Holden
patent: 3462670 (1969-08-01), Waye
patent: 3582699 (1971-06-01), Badessa

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