Damping device for a stepper motor

Details Damping device for a stepper motor Damping device for a stepper motor

1976-06-14

1977-09-20

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 74, H02K 3700

Patent

active

040499855

ABSTRACT:
A device for damping the natural oscillations of the rotor of a stepper motor. A permanent magnet is fixed to the rotor and magnetically coupled with an inertia mass constructed of material with distinct hysteresis. The rotor is damped by conversion of mechanical momentum to hysteresis loss.

REFERENCES:
patent: 1895637 (1933-01-01), Meissner
patent: 1913948 (1933-06-01), Perlman
patent: 1962659 (1934-06-01), Kautz
patent: 3320448 (1967-05-01), Turk
patent: 3627445 (1971-12-01), Andriussi
patent: 3790831 (1974-02-01), Morrealu
patent: 3819966 (1974-06-01), Noguchi

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